技术领域technical field
本发明涉及移动通信领域，特别是涉及一种IP连通接入网络中禁止区域内的接入处理方法、装置及用户设备。The present invention relates to the field of mobile communication, in particular to an access processing method, device and user equipment in a prohibited area in an IP connectivity access network.
背景技术Background technique
随着网络技术不断发展，第三代伙伴组织计划(ThirdGenerationPartnershipProjects，3GPP)为了增强未来网络的竞争能力，而推出一种系统演进架构(SystemArchitectureEvolution，SAE)，如图1所示，包括演进的UMTS陆地无线接入网101(EvolvedUMTSTerrestrialRadioAccessNetwork，E-UTRAN)，用于实现所有与演进网络无线有关的功能；移动性管理实体102(MobilityManagementEntity，MME)，用于负责控制面的移动性管理，如用户上下文和移动状态管理，分配用户临时身份标识等；服务网关实体103(ServingGateway，ServingGW)，是3GPP接入系统间的用户面锚点，终止E-TURAN的接口；分组数据网络网关实体104(PacketDataNetworkGateway，PDNGW)是3GPP接入系统和非3GPP接入系统之间的用户面锚点，终止和外部分组数据网络(PacketDataNetwork，PDN)的接口；策略和计费规则功能实体105(PolicyandChargingRuleFunction，PCRF)用于策略控制决定和流计费控制功能；归属网络服务器106(HomeSubscriberServer，HSS)用于存储用户签约信息。With the continuous development of network technology, the Third Generation Partnership Projects (Third Generation Partnership Projects, 3GPP) launched a system evolution architecture (System Architecture Evolution, SAE) in order to enhance the competitiveness of future networks, as shown in Figure 1, including the evolved UMTS terrestrial The radio access network 101 (EvolvedUMTSTerrestrialRadioAccessNetwork, E-UTRAN) is used to realize all the functions related to the radio of the evolved network; the mobility management entity 102 (MobilityManagementEntity, MME) is used to be responsible for the mobility management of the control plane, such as user context and Mobility state management, assigning user temporary identity marks, etc.; serving gateway entity 103 (ServingGateway, ServingGW), is the user plane anchor point between 3GPP access systems, and terminates the interface of E-TURAN; packet data network gateway entity 104 (PacketDataNetworkGateway, PDNGW ) is the user plane anchor point between the 3GPP access system and the non-3GPP access system, and terminates the interface with the external packet data network (PacketDataNetwork, PDN); the policy and charging rule function entity 105 (PolicyandChargingRuleFunction, PCRF) is used for policy Control decision and stream charging control functions; the home network server 106 (HomeSubscriberServer, HSS) is used to store user subscription information.
UMTS陆地无线接入网107(UMTSTerrestrialRadioAccessNetwork，UTRAN)、GSM/EDGE无线接入网108(GSM/EDGERadioAccessNetwork，GERAN)，用于实现所有与现有GPRS/UMTS网络中无线有关的功能；服务通用分组无线业务支持节点109(ServingGPRSSupportingNode，SGSN)，用于实现GPRS/UMTS网络中路由转发、移动性管理、会话管理以及用户信息存储等功能。UMTS terrestrial radio access network 107 (UMTSTerrestrialRadioAccessNetwork, UTRAN), GSM/EDGE radio access network 108 (GSM/EDGERadioAccessNetwork, GERAN), used to implement all wireless-related functions in existing GPRS/UMTS networks; serve general packet radio The service support node 109 (ServingGPRSSupportingNode, SGSN) is used to implement functions such as routing and forwarding, mobility management, session management, and user information storage in the GPRS/UMTS network.
非3GPPIP接入网络110(Non-3GPPIPAccess)，主要是一些非3GPP组织定义的接入网络，如无线局域网(WirelessLocalAreaNetwork，WLAN)，微波存取全球互通(WorldwideInteroperabilityforMicrowaveAccess，Wimax)等网络。The non-3GPPIP access network 110 (Non-3GPPIP Access) is mainly access networks defined by some non-3GPP organizations, such as wireless local area network (Wireless Local Area Network, WLAN), Worldwide Interoperability for Microwave Access (Wimax) and other networks.
该系统架构还可以包括认证、授权与计费服务器111(Authentication、AuthorizationandAccountingServer，AAAServer)用于对UE执行接入认证、授权和计费功能。The system architecture may also include an authentication, authorization and accounting server 111 (Authentication, Authorization and Accounting Server, AAA Server) for performing access authentication, authorization and accounting functions for the UE.
目前，3GPP组织在研究因特网多媒体子网(InternetMultiediaSubsystem，IMS)紧急业务，所谓紧急业务，就是利于IP连通接入网络(IP-ConnectivityAccessNetwork，IP-CAN，如GPRS/UMTS/SAE/WLAN/Wimax等网络)和IMS系统为用户提供紧急业务(如报警业务和火警业务等)。对于紧急业务，即使用户在漫游禁止区域(forbiddenlocationareasforroaming)或者业务禁止区域(forbiddenlocationareasforregionalprovisionofservice)时都需要允许使用，也就是说，在上述特定的场景下用户也能够使用紧急业务。At present, the 3GPP organization is studying the emergency services of the Internet Multimedia Subnet (InternetMultiediaSubsystem, IMS). ) and the IMS system provide users with emergency services (such as alarm services and fire alarm services, etc.). For emergency services, users need to be allowed to use them even when they are roaming in prohibited areas (forbidden location areas for roaming) or service prohibited areas (forbidden location areas for regional provision of service), that is to say, users can also use emergency services in the above specific scenarios.
但是，在目前IP-CAN网络中，用户在禁止区域时将不允许接入，在这些区域内用户将被从网络中去注册，这样用户正在使用的业务将被中断。但是如果这些用户正在使用紧急业务，按照现在的协议要求，该用户在禁止区域内还需要继续提供紧急业务，但是所述用户其它的业务(比如正常业务)在禁止区域内不允许继续使用。如何保证用户在禁止区域内只使用紧急业务而其它的业务将被终止，是目前的机制还无法解决的问题。However, in the current IP-CAN network, users will not be allowed to access when they are in prohibited areas, and users will be deregistered from the network in these areas, so that the services that users are using will be interrupted. But if these users are using emergency services, according to the current protocol requirements, the users need to continue to provide emergency services in the prohibited area, but other services (such as normal services) of the users are not allowed to continue to use in the prohibited area. How to ensure that users only use emergency services in prohibited areas and other services will be terminated is a problem that cannot be solved by the current mechanism.
发明内容Contents of the invention
本发明实施例提供一种接入处理的方法、装置及用户设备，以解决用户设备在禁止区域接入时，能保留紧急业务使用的资源的问题。Embodiments of the present invention provide an access processing method, device, and user equipment to solve the problem that the user equipment can reserve resources used by emergency services when accessing in a prohibited area.
为解决上述问题，本发明实施例提供一种接入处理方法，应用于基于IP连通接入网络的通信系统中，包括步骤：In order to solve the above problems, an embodiment of the present invention provides an access processing method, which is applied to a communication system based on an IP connectivity access network, including steps:
接收禁止区域内用户设备发起的跟踪区更新请求；Receive the tracking area update request initiated by the user equipment in the prohibited area;
判断所述用户设备是否存在紧急业务，若是，则接受所述跟踪区更新请求；Judging whether the user equipment has an emergency service, and if so, accepting the tracking area update request;
保留所述紧急业务使用的资源；reserve resources used by said emergency business;
释放正常业务使用的资源；Release resources used by normal business;
其中，所述释放正常业务使用的资源的过程为：Wherein, the process of releasing resources used by normal business is:
根据所述跟踪区更新请求，发起网络侧资源删除流程，将所述用户设备正常业务使用的资源删除。According to the tracking area update request, a resource deletion process on the network side is initiated to delete the resources used by the user equipment for normal services.
本发明实施例再提供一种接入处理方法，包括步骤：The embodiment of the present invention further provides an access processing method, including steps:
当用户设备从源侧网络切换至目标侧网络时，若用户设备的目标区域为禁止区域，则源侧网络判断所述用户设备是否存在紧急业务，若是，则所述源侧网络将所述紧急业务使用的资源信息发送给目标网络；When the user equipment is handed over from the source side network to the target side network, if the target area of the user equipment is a prohibited area, the source side network judges whether the user equipment has emergency services, and if so, the source side network sends the emergency The resource information used by the business is sent to the target network;
所述目标网络建立紧急业务使用的资源。The target network establishes resources used by emergency traffic.
相应地，本发明实施例提供一种接入处理装置，用于对户设备接入网络时进行处理，包括：Correspondingly, an embodiment of the present invention provides an access processing device, which is used to process when a user equipment accesses a network, including:
接入请求接收单元，用于接收用户设备发起的跟踪区更新请求；an access request receiving unit, configured to receive a tracking area update request initiated by the user equipment;
接入分析单元，用于分析所述接入请求接收单元接收到的跟踪区更新请求，判断用户设备是否位于禁止区域；An access analysis unit, configured to analyze the tracking area update request received by the access request receiving unit, and determine whether the user equipment is located in a prohibited area;
紧急业务判断单元，，用于根据接入分析单元的判断结果，当用户设备位于禁止区域时判断所述用户设备是否存在紧急业务；An emergency service judging unit, configured to judge whether the user equipment has an emergency service when the user equipment is located in a prohibited area according to the judgment result of the access analysis unit;
紧急业务处理单元，用于根据所述紧急业务判断单元的判断结果，接受用户设备的接入，并保留该用户设备所述紧急业务使用的资源；The emergency service processing unit is configured to accept the access of the user equipment according to the judgment result of the emergency service judging unit, and reserve the resources used by the emergency service of the user equipment;
其中，所述紧急业务处理单元包括：Wherein, the emergency business processing unit includes:
资源处理子单元，用于在判断结果为存在紧急业务时，接受用户设备发送的跟踪区更新请求消息或者路由区更新请求消息，并保留该用户设备紧急业务使用的资源；The resource processing subunit is configured to accept a tracking area update request message or a routing area update request message sent by the user equipment when it is judged that there is an emergency service, and reserve the resources used by the user equipment for the emergency service;
所述紧急业务处理单元还包括：网络侧资源释放子单元，用于接受用户设备发送的跟踪区更新请求消息或者路由区更新请求消息后，发起资源删除流程，删除所述用户设备正常使用的资源。The emergency service processing unit further includes: a resource release subunit on the network side, configured to initiate a resource deletion process after receiving a tracking area update request message or a routing area update request message sent by the user equipment, and delete the resources normally used by the user equipment .
本发明实施例又提供一种接入处理装置，包括：An embodiment of the present invention further provides an access processing device, including:
紧急业务判断单元，当用户设备从源侧网络切换至目标侧网络时，用于判断目标区域为禁止区域的用户设备是否存在紧急业务，并发送是紧急业务的判断结果；An emergency service judging unit, when the user equipment is switched from the source side network to the target side network, is used to judge whether there is an emergency service in the user equipment whose target area is a prohibited area, and send the judgment result of the emergency service;
紧急业务发起单元，用于在接收到所述是紧急业务的判断结果后向目标网络发送紧急业务使用的资源信息；An emergency service initiating unit, configured to send resource information used by the emergency service to the target network after receiving the determination result that the service is an emergency service;
紧急资源建立单元，用于根据紧急业务发送单元发送的所述紧急业务使用的资源信息建立所述紧急业务使用的资源。The emergency resource establishing unit is configured to establish the resource used by the emergency service according to the resource information used by the emergency service sent by the emergency service sending unit.
由上述技术方案可知，本发明实施例的网络侧网元收到用户设备的跟踪区更新请求后，如果发现用户在这个区域内业务禁止或者漫游禁止，则判断所述用户设备是否存在紧急业务，若存在，网络侧网元保留紧急业务使用的相关资源。以满足用户设备在禁止区域内接入时，能实现紧急业务的正常使用。从而提高用户的满意度。It can be seen from the above technical solution that after receiving the tracking area update request of the user equipment, the network element of the network side in the embodiment of the present invention determines whether the user equipment has emergency services if it is found that the user is prohibited from service or roaming in this area. If it exists, the network element on the network side reserves the relevant resources used by the emergency service. In order to meet the requirements of normal use of emergency services when user equipment accesses in prohibited areas. Thereby improving user satisfaction.
附图说明Description of drawings
图1为现有技术3GPP演进网络示意图；FIG. 1 is a schematic diagram of a 3GPP evolved network in the prior art;
图2为本发明实施例接入处理方法流程图；FIG. 2 is a flowchart of an access processing method according to an embodiment of the present invention;
图3为本发明第一实施例中接入处理方法的流程图；FIG. 3 is a flow chart of the access processing method in the first embodiment of the present invention;
图4为本发明第二实施例中接入处理方法的流程图；Fig. 4 is a flow chart of the access processing method in the second embodiment of the present invention;
图5为本发明第三实施例中接入处理方法的流程图；Fig. 5 is a flow chart of the access processing method in the third embodiment of the present invention;
图6为本发明四实施例中接入处理方法的流程图；FIG. 6 is a flowchart of an access processing method in four embodiments of the present invention;
图7为本发明实施例提供的另一种接入处理方法的流程图；FIG. 7 is a flowchart of another access processing method provided by an embodiment of the present invention;
图8为本发明第五实施例接入处理方法的流程图；FIG. 8 is a flowchart of an access processing method according to a fifth embodiment of the present invention;
图9为本发明六实施例中接入处理方法的流程图；FIG. 9 is a flowchart of an access processing method in six embodiments of the present invention;
图10为本发明第七实施例接入处理方法的流程图；FIG. 10 is a flowchart of an access processing method according to a seventh embodiment of the present invention;
图11为本发明实施例提供的又一种接入处理方法的流程图；FIG. 11 is a flowchart of another access processing method provided by an embodiment of the present invention;
图12为本发明第八实施例提供一种接入处理方法的流程图；FIG. 12 is a flowchart of an access processing method provided by the eighth embodiment of the present invention;
图13为本发明实施例接入处理装置的结构图；FIG. 13 is a structural diagram of an access processing device according to an embodiment of the present invention;
图14为本发明实施例接入处理装置另一种结构图；FIG. 14 is another structural diagram of an access processing device according to an embodiment of the present invention;
图15为本发明实施例接入处理装置的又一种结构图；FIG. 15 is another structural diagram of an access processing device according to an embodiment of the present invention;
图16为本发明第九实施例提供一种接入处理方法的流程图；FIG. 16 is a flowchart of an access processing method provided by the ninth embodiment of the present invention;
图17本发明第十实施例提供一种接入处理方法的流程图。Fig. 17 is a flowchart of an access processing method provided by the tenth embodiment of the present invention.
具体实施方式Detailed ways
下面结合附图及实施例对本发明作详细的说明。The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
请参阅图2，本发明实施例中接入处理方法的流程图，该方法应用于基于IP连通接入网络的通信系统中，包括步骤：Please refer to Fig. 2, the flowchart of the access processing method in the embodiment of the present invention, this method is applied in the communication system based on IP connection access network, comprises steps:
步骤S21：接收禁止区域内用户设备发起的接入请求；Step S21: receiving an access request initiated by a user equipment in a prohibited area;
步骤S22：判断所述用户设备是否存在紧急业务，若是，执行步骤S23，否则执行步骤S25；Step S22: judging whether the user equipment has emergency services, if so, execute step S23, otherwise execute step S25;
步骤S23：接受所述接入请求；Step S23: Accept the access request;
步骤S24：保留紧急业务使用的资源；Step S24: Reserve resources used by emergency services;
步骤S25：拒绝接入请求。Step S25: Deny the access request.
可选的，所述方法还包括：在保留紧急业务使用的资源后，释放正常业务使用的资源。Optionally, the method further includes: after reserving the resources used by the emergency business, releasing the resources used by the normal business.
可选的，所述接入请求为跟踪区更新请求或路由区更新请求。Optionally, the access request is a tracking area update request or a routing area update request.
在IP-CAN网络(IP连通接入网络)中，网络侧网元收到用户设备(UserEquipment，UE)的接入请求消息后，如果发现用户在这个区域内业务禁止或者漫游禁止，则网络侧网元发起网络侧资源释放流程，将用户建立的正常业务使用的资源释放掉，保留紧急业务使用的相关资源。也就是说，当用户设备发起接入请求，网络侧网元在禁止区域接收所述接入请求后，判断所述用户设备是否存在业务禁止或漫游禁止，如果存在，网络侧网元判断用户设备是否存在紧急业务，如果存在，则发起网络侧资源释放流程，将该用户设备正常业务使用的资源释放，保留紧急业务使用的资源；在释放正常业务使用的资源的同时，判断用户设备是否存在信令承载，若存在，则保留用户设备的信令承载；网络侧网元发起无线承载删除流程，将释放资源对应的无线承载删除；在紧急业务结束后，用户设备在信令承载上发起紧急业务终止流程。In the IP-CAN network (IP connectivity access network), after the network element on the network side receives the access request message from the user equipment (User Equipment, UE), if it is found that the user's business or roaming is prohibited in this area, the network side The network element initiates the resource release process on the network side, releases the resources used by the normal services established by the user, and reserves the relevant resources used by the emergency services. That is to say, when the user equipment initiates an access request, after receiving the access request in the forbidden area, the network element on the network side judges whether the user equipment has service barring or roaming barring. Whether there is an emergency service, if so, initiate a resource release process on the network side, release the resources used by the normal service of the user equipment, and reserve the resources used by the emergency service; while releasing the resources used by the normal service, determine whether the user equipment has information If it exists, the signaling bearer of the user equipment is retained; the network element on the network side initiates the radio bearer deletion process, and deletes the radio bearer corresponding to the released resource; after the emergency service ends, the user equipment initiates the emergency service on the signaling bearer Terminate the process.
为了便于本领域技术人员的理解，下面结合具体的实施例来说明。In order to facilitate the understanding of those skilled in the art, the following will be described in conjunction with specific embodiments.
请参阅图3，为本发明第一实施例中接入处理方法的流程图，在本实施例中，网络侧网元(比如移动管理实体MME/服务GPRS支持节点SGSN)收到用户设备UE发送的跟踪区更新请求/路由区更新请求消息后，判断UE在这个区域内是否业务禁止或者漫游禁止，如果是，则MME/SGSN判断UE是否存在紧急业务，如果没有，则MME拒绝UE的跟踪区更新请求/路由区更新请求；如果UE存在紧急业务，则MME/SGSN接受UE的跟踪区更新请求/路由区更新请求，同时将用户正常业务使用的承载删除掉，保留紧急业务使用的相关承载，其具体的实现过程为：Please refer to FIG. 3, which is a flowchart of the access processing method in the first embodiment of the present invention. In this embodiment, the network element (such as the mobility management entity MME/serving GPRS support node SGSN) receives the After receiving the Tracking Area Update Request/Routing Area Update Request message, determine whether the UE is prohibited from service or roaming within this area. If so, the MME/SGSN determines whether the UE has emergency services. If not, the MME rejects the tracking area of the UE. Update request/routing area update request; if the UE has emergency services, the MME/SGSN accepts the tracking area update request/routing area update request of the UE, and at the same time deletes the bearers used by the user for normal services, and retains the relevant bearers used by emergency services. Its specific implementation process is:
1、UE发送接入请求消息到网络侧网元；其中，对于SAE系统来说，UE发送跟踪区更新请求消息给MME；对于GPRS/UMTS系统来说，UE发送路由区更新请求消息给SGSN。1. The UE sends an access request message to the network element on the network side; for the SAE system, the UE sends a tracking area update request message to the MME; for the GPRS/UMTS system, the UE sends a routing area update request message to the SGSN.
2、MME或SGSN(后续简称MME/SGSN)发送位置更新消息至HSS；2. MME or SGSN (hereinafter referred to as MME/SGSN) sends a location update message to the HSS;
3.HSS发送反馈插入签约数据消息至MME/SGSN，消息中携带UE的签约数据，包括UE的漫游位置禁止区域“forbiddenlocationareasforroaming”或者整个供应区域的位置禁止区域“forbiddenlocationareasforregionalprovisionofservice”信息；3. The HSS sends a Feedback Insert Subscription Data message to the MME/SGSN, which carries the subscription data of the UE, including the UE's roaming location forbidden area "forbiddenlocationareasforroaming" or the location forbidden area "forbiddenlocationareasforregionalprovisionofservice" information of the entire provisioning area;
3’、所述MME/SGSN向HSS回复鉴权数据确认消息。3'. The MME/SGSN replies an authentication data confirmation message to the HSS.
4、HSS返回位置更新确认消息给MME/SGSN4. HSS returns location update confirmation message to MME/SGSN
5、MME/SGSN根据用户的签约数据和用户的接入区域，判断UE在这个区域内是否业务禁止或者漫游禁止，可能存在的情况为：5. The MME/SGSN judges whether the UE is prohibited from service or roaming in this area according to the user's subscription data and the user's access area. The possible situations are:
如果UE在这个区域内不是业务禁止或者漫游禁止，则MME/SGSN正常处理；如果UE在这个区域内业务禁止或者漫游禁止，则MME/SGSN判断UE是否存在紧急业务；如果UE没有紧急业务，则MME/SGSN拒绝UE的跟踪区更新请求。If the UE is not prohibited from service or roaming in this area, MME/SGSN handles it normally; if the UE is prohibited from service or roaming in this area, MME/SGSN judges whether the UE has emergency services; if the UE has no emergency services, then The MME/SGSN rejects the tracking area update request of the UE.
如果UE在这个区域内业务禁止或者漫游禁止，但是这个UE存在紧急业务，则MME/SGSN接受UE的跟踪区更新请求/路由区更新请求。对于SAE系统，MME发送删除承载请求消息到ServingGW(所述ServingGW转发送到PDN-GW)发起网络侧承载删除流程，将UE的正常业务使用的承载删除掉，保留紧急业务使用的相关承载；对于GPRS/UMTS系统，SGSN发送删除PDP上下文请求消息到ServingGW发起网络侧承载删除流程，将UE的正常业务使用的承载删除掉，保留紧急业务使用的相关承载；If the service or roaming of the UE is prohibited in this area, but the UE has emergency services, the MME/SGSN accepts the tracking area update request/routing area update request of the UE. For the SAE system, the MME sends a delete bearer request message to the ServingGW (the ServingGW forwards it to the PDN-GW) to initiate the network side bearer deletion process, delete the bearer used by the normal business of the UE, and retain the relevant bearer used by the emergency business; In the GPRS/UMTS system, the SGSN sends a delete PDP context request message to the ServingGW to initiate the network side bearer deletion process, delete the bearer used by the normal business of the UE, and retain the relevant bearer used by the emergency business;
MME/SGSN可以根据以下方式来判断UE是否存在紧急业务，也就是判断UE是否存在紧急业务使用的紧急承载。其一种判断方式为：判断UE使用的承载使用的接入点名(AccessPointName，APN)，如果发现存在特定的APN(所述特定的APN也就是全局专用的紧急接入点名，globallydedicatedemergencyAPN)，则MME/SGSN认为UE存在紧急业务，另一种判断方式为：判断UE使用的承载中使用服务质量QoS参数的紧急指示位(EmergencyIndication)，如果发现存在紧急指示位的值为是，则MME/SGSN认为UE存在紧急业务使用的紧急承载，即UE存在紧急业务。The MME/SGSN may judge whether the UE has an emergency service in the following manner, that is, judge whether the UE has an emergency bearer used by the emergency service. One of the judging methods is: judging the access point name (AccessPointName, APN) used by the bearer used by the UE, if a specific APN is found (the specific APN is also a globally dedicated emergency access point name, globally dedicatedemergencyAPN), the MME /SGSN considers that the UE has an emergency service. Another judgment method is: judge the emergency indication bit (EmergencyIndication) of the quality of service QoS parameter used in the bearer used by the UE. If the value of the emergency indication bit is found to be yes, the MME/SGSN considers The UE has an emergency bearer used by the emergency service, that is, the UE has the emergency service.
所述MME/SGSN保留紧急业务使用的紧急承载时，也需要判断UE是否存在信令承载(只传输SIP信令的承载)，如果UE存在信令承载，则信令承载也需要保留。后续紧急业务结束后UE需要在信令承载上发起紧急业务终止流程。对于其它的承载，则MME/SGSN发起网络侧承载删除流程将这些承载从网络中删除掉。所述MME/SGSN可以根据以下方式来判断承载是否为信令承载：MME/SGSN判断UE使用的承载上下文中是否存在IMCN信令标志位(Subsystemsignallingflag)，如果这个标志位的值为真(True)，则表明这个承载是信令承载。When the MME/SGSN reserves the emergency bearer used by the emergency service, it also needs to determine whether the UE has a signaling bearer (a bearer that only transmits SIP signaling). If the UE has a signaling bearer, the signaling bearer also needs to be reserved. After the subsequent emergency service ends, the UE needs to initiate an emergency service termination procedure on the signaling bearer. For other bearers, the MME/SGSN initiates a bearer deletion process on the network side to delete these bearers from the network. The MME/SGSN may determine whether the bearer is a signaling bearer in the following manner: the MME/SGSN determines whether there is an IMCN signaling flag (Subsystemsignallingflag) in the bearer context used by the UE, and if the value of this flag is true (True) , it indicates that the bearer is a signaling bearer.
5’、所述PDN-GW向ServingGW反馈删除承载响应，所述ServingGW向MME/SGSN转发反馈删除响应。5'. The PDN-GW feeds back a deletion bearer response to the ServingGW, and the ServingGW forwards the feedback deletion response to the MME/SGSN.
6、MME/SGSN发起无线承载删除流程，将删除的承载对应的无线承载删除；6. The MME/SGSN initiates the radio bearer deletion process, and deletes the radio bearer corresponding to the deleted bearer;
7、MME/SGSN发送跟踪区更新接受消息至UE；7. The MME/SGSN sends a Tracking Area Update Accept message to the UE;
8、UE向MME/SGSN回复跟踪区更新完成消息。8. The UE replies a tracking area update completion message to the MME/SGSN.
若存在信令承载，紧急业务完成后UE在信令承载上发起紧急业务终止流程。If there is a signaling bearer, the UE initiates an emergency service termination procedure on the signaling bearer after the emergency service is completed.
请参阅图4，为本发明第二实施例中接入处理方法的流程图。在本实施例中，非3GPP网关设备收到UE发送的接入请求后执行接入认证和授权流程，判断UE在这个区域内是否禁止进入，如果是，则非3GPP网关设备判断UE是否存在紧急业务，如果没有，则非3GPP网关设备拒绝UE的接入；如果UE存在紧急业务，则非3GPP网关设备接受UE的接入，同时保留紧急业务使用的隧道资源，将其它业务使用的隧道资源释放掉。具体的实现过程为：Please refer to FIG. 4 , which is a flow chart of the access processing method in the second embodiment of the present invention. In this embodiment, the non-3GPP gateway device executes the access authentication and authorization process after receiving the access request sent by the UE, and judges whether the UE is prohibited from entering this area. If so, the non-3GPP gateway device judges whether the UE has an emergency If there is no service, the non-3GPP gateway device rejects the UE's access; if the UE has an emergency service, the non-3GPP gateway device accepts the UE's access, and at the same time reserves the tunnel resources used by the emergency service, and releases the tunnel resources used by other services Lose. The specific implementation process is:
1、UE发送接入请求至非3GPP网关设备(Non-3GPPGW)；对于WLAN系统来说，非3GPP网关网元为EPDG(演进分组数据网关，EvolvedPacketDataGateway)；对于Wimax系统来说，非3GPP网关网元为ASNGW(接入业务网络网关，AccessServiceNetworkGateway)；对于CDMA系统来说，非3GPP网关网元为AGW(接入网关，AccessGateway)。1. The UE sends an access request to a non-3GPP gateway device (Non-3GPPGW); for the WLAN system, the non-3GPP gateway network element is EPDG (Evolved Packet Data Gateway, EvolvedPacketDataGateway); for the Wimax system, the non-3GPP gateway network element The element is ASNGW (Access Service Network Gateway, AccessServiceNetworkGateway); for the CDMA system, the non-3GPP gateway network element is AGW (Access Gateway, AccessGateway).
2、Non-3GPPGW执行接入认证和授权流程，判断UE是否允许接入；2. The Non-3GPPGW executes the access authentication and authorization process to determine whether the UE is allowed to access;
3、如果UE在这个区域内禁止进入，则Non-3GPPGW判断UE是否存在紧急业务，如果不存在，则非3GPP网关拒绝UE的接入，如果UE存在紧急业务，则非3GPP网关接受UE的接入请求；3. If the UE is prohibited from entering this area, the Non-3GPPGW judges whether the UE has emergency services. If not, the non-3GPP gateway rejects the UE’s access. If the UE has emergency services, the non-3GPP gateway accepts the UE’s access. input request;
Non-3GPPGW可以根据如下方法来判断UE是否存在紧急业务：Non-3GPPGW判断UE所使用的隧道中的APN是否存在特定的APN(也就是全局专用的紧急接入点名，globallydedicatedemergencyAPN)，如果存在，则UE存在紧急业务；The Non-3GPPGW can judge whether the UE has an emergency service according to the following method: the Non-3GPPGW judges whether the APN in the tunnel used by the UE has a specific APN (that is, a globally dedicated emergency access point name, globally dedicatedemergencyAPN), and if it exists, then The UE has emergency services;
4、Non-3GPPGW保留紧急业务使用的隧道资源，并向UE发起释放隧道请求，释放正常业务使用的隧道资源；4. Non-3GPPGW reserves the tunnel resources used by emergency services, and initiates a release tunnel request to UE to release tunnel resources used by normal services;
4’、UE反馈隧道确认消息给Non-3GPPGW；4'. The UE feeds back the tunnel confirmation message to the Non-3GPPGW;
5、Non-3GPPGW发送隧道去连接报告消息至AAAServer，通知AAAServer释放隧道资源；5. The Non-3GPPGW sends a tunnel connection report message to the AAAServer to notify the AAAServer to release the tunnel resources;
5’、AAAServer向Non-3GPPGW回复隧道去接连报告确认消息。5'. The AAAServer replies to the Non-3GPPGW with a tunnel deconnection report confirmation message.
在本发明的实施例中，资源的释放也可以由UE发起，而不只是由网络侧来触发。也就是说，当UE收到接受消息后如果发现接受消息中携带用户在这个区域禁止接入的消息后保留紧急业务使用的资源而发起流程删除其它业务使用的资源。其具体的实现过程请参阅下图。In the embodiments of the present invention, the release of resources may also be initiated by the UE, not just triggered by the network side. That is to say, when the UE receives the acceptance message, if it finds that the acceptance message carries a message that the user is prohibited from accessing in this area, the resources used by the emergency service are reserved, and a process is initiated to delete the resources used by other services. Please refer to the figure below for the specific implementation process.
请参阅图5，为本发明第三实施例中接入处理方法的流程图。在本实施例中，网络侧网元(即接入网)为MME或SGSN。MME/SGSN收到UE发送的跟踪区更新请求/路由区更新请求消息后判断UE在这个区域内是否业务禁止或者漫游禁止，如果是，则MME/SGSN判断UE是否存在紧急业务，如果没有，则MME/SGSN拒绝UE的跟踪区更新请求/路由区更新请求；如果UE存在紧急业务，则MME/SGSN接受UE的跟踪区更新请求/路由区更新请求，发送跟踪区更新接受/路由区更新接受消息给UE，消息中携带UE在这个区域禁止接入的信息。UE收到消息后保留紧急业务使用的相关承载，对于其它的承载资源发起去激活流程来删除。具体的实现过程为：Please refer to FIG. 5 , which is a flow chart of the access processing method in the third embodiment of the present invention. In this embodiment, the network element (that is, the access network) on the network side is the MME or the SGSN. After receiving the Tracking Area Update Request/Routing Area Update Request message sent by the UE, the MME/SGSN judges whether the UE is prohibited from service or roaming in this area. If yes, the MME/SGSN judges whether the UE has emergency services. If not, then MME/SGSN rejects UE's tracking area update request/routing area update request; if UE has emergency services, MME/SGSN accepts UE's tracking area update request/routing area update request, and sends tracking area update acceptance/routing area update acceptance message For the UE, the message carries the information that the UE is prohibited from accessing in this area. After receiving the message, the UE reserves the relevant bearers used by the emergency service, and initiates a deactivation process to delete other bearer resources. The specific implementation process is:
1、UE发送跟踪区更新请求消息至MME/SGSN；1. The UE sends a Tracking Area Update Request message to the MME/SGSN;
2、MME/SGSN收到UE发送的跟踪区更新请求消息，判断UE在区域内是否业务禁止或者漫游禁止，如果UE在这个区域内禁止接入，MME/SGSN判断UE是否存在紧急业务中，如果UE不存在紧急业务，则MME/SGSN拒绝UE的跟踪区更新请求，发跟踪区更新拒绝消息至UE，2. The MME/SGSN receives the Tracking Area Update Request message sent by the UE, and judges whether the UE is prohibited from service or roaming in the area. If the UE is prohibited from accessing the area, the MME/SGSN judges whether the UE is in emergency service. If If the UE does not have emergency services, the MME/SGSN rejects the tracking area update request of the UE and sends a tracking area update rejection message to the UE,
如果UE存在紧急业务，则MME/SGSN接受UE的跟踪区更新请求，发送跟踪区更新接受消息至UE。跟踪区更新接受消息中携带UE在区域内禁止接入的信息，可以通过如下方式实现：在跟踪区更新接受消息中增加“ForbiddenAccessFlag”字段，如果这个字段的值为True，则表明UE在这个区域内禁止接入，如果这个字段的值为False，则表明UE在这个区域内正常接入；If the UE has emergency services, the MME/SGSN accepts the UE's tracking area update request and sends a tracking area update acceptance message to the UE. The Tracking Area Update Accept message carries the information that the UE is prohibited from accessing in the area, which can be implemented in the following way: Add the "ForbiddenAccessFlag" field in the Tracking Area Update Accept message. If the value of this field is True, it indicates that the UE is in this area Access is prohibited within the area. If the value of this field is False, it indicates that the UE is normally accessing in this area;
UE判断跟踪区跟踪接受消息中的标识位，如果标识位标明UE在区域内禁止接入，则UE保留紧急业务使用的紧急承载，同时判断UE是否存在信令承载，如果UE存在信令承载，则保留信令承载；The UE judges the identification bit in the tracking area tracking acceptance message. If the identification bit indicates that the UE is prohibited from accessing in the area, the UE reserves the emergency bearer used by the emergency service, and at the same time determines whether the UE has a signaling bearer. If the UE has a signaling bearer, then keep the signaling bearer;
3、UE向MME/SGSN回复跟踪区更新完成消息；3. The UE sends a tracking area update completion message to the MME/SGSN;
4、UE向MME/SGSN发送去激活承载请求消息，发起去激活流程，删除其它的承载；也就是说，UE判断跟踪区跟踪接受/路由区更新接受消息中的标识位，如果标识位表明UE在这个区域内禁止接入的话，则UE保留紧急业务使用的紧急承载。同时判断UE是否存在信令承载(只传输SIP信令的承载)，如果UE存在信令承载，则信令承载也需要保留。对于其它的承载，则UE发起去激活流程将这些承载从网络中删除掉；4. The UE sends a bearer deactivation request message to the MME/SGSN, initiates the deactivation process, and deletes other bearers; that is, the UE judges the identification bit in the Tracking Area Tracking Accept/Routing Area Update Accept message. If the identification bit indicates that the UE If access is prohibited in this area, the UE reserves the emergency bearer used by the emergency service. At the same time, it is determined whether the UE has a signaling bearer (a bearer that only transmits SIP signaling), and if the UE has a signaling bearer, the signaling bearer also needs to be reserved. For other bearers, the UE initiates a deactivation process to delete these bearers from the network;
5、MME/SGSN向ServingGW发送删除承载请求消息；对于SAE系统，MME发送删除承载请求消息到ServingGW发起网络侧承载删除流程，将去激活的承载删除掉；对于GPRS/UMTS系统，SGSN发送删除PDP上下文请求消息到ServingGW发起网络侧承载删除流程，将去激活的承载删除掉；5. MME/SGSN sends a delete bearer request message to ServingGW; for the SAE system, MME sends a delete bearer request message to ServingGW to initiate the network side bearer deletion process, and deletes the deactivated bearer; for GPRS/UMTS system, SGSN sends a delete PDP The context request message is sent to ServingGW to initiate the network side bearer deletion process, and delete the deactivated bearer;
5’、ServingGW回复承载响应消息至MME/SGSN，删除去激活的承载；5', ServingGW replies a bearer response message to MME/SGSN, and deletes the deactivated bearer;
6、MME/SGSN发起无线承载删除流程，将去激活承载对应的无线承载删除；6. The MME/SGSN initiates the radio bearer deletion process, and deletes the radio bearer corresponding to the deactivated bearer;
7、MME/SGSN发送去激活承载接受消息至UE。7. The MME/SGSN sends a bearer deactivation accept message to the UE.
若存在信令承载，紧急业务完成后UE在信令承载上发起紧急业务终止流程。If there is a signaling bearer, the UE initiates an emergency service termination procedure on the signaling bearer after the emergency service is completed.
还请参阅图6，为本发明四实施例中接入处理方法的流程图。在本实施例中，非3GPP网关设备收到UE发送的接入请求后执行接入认证和授权流程，判断UE在这个区域内是否禁止进入，如果是，则非3GPP网关设备判断UE是否存在紧急业务，如果没有，则非3GPP网关设备拒绝UE的接入；如果UE存在紧急业务，则非3GPP网关设备发送接入消息给UE，消息中携带UE在这个区域禁止接入的信息。UE收到消息后保留紧急业务使用的相关隧道资源，将其它业务使用的隧道资源释放掉。具体的实现过程为：Please also refer to FIG. 6 , which is a flow chart of the access processing method in the fourth embodiment of the present invention. In this embodiment, the non-3GPP gateway device executes the access authentication and authorization process after receiving the access request sent by the UE, and judges whether the UE is prohibited from entering this area. If so, the non-3GPP gateway device judges whether the UE has an emergency If there is no service, the non-3GPP gateway device rejects the UE's access; if the UE has an emergency service, the non-3GPP gateway device sends an access message to the UE, and the message carries information that the UE is prohibited from accessing in this area. After receiving the message, the UE reserves the relevant tunnel resources used by the emergency service, and releases the tunnel resources used by other services. The specific implementation process is:
1、UE发送接入请求到Non-3GPPGW；对于WLAN系统来说，非3GPP网关网元为EPDG(演进分组数据网关，EvolvedPacketDataGateway)；对于Wimax系统来说，非3GPP网关网元为ASNGW(接入业务网络网关，AccessServiceNetworkGateway)；对于CDMA系统来说，非3GPP网关网元为AGW(接入网关，AccessGateway)；1. The UE sends an access request to the Non-3GPPGW; for the WLAN system, the non-3GPP gateway network element is EPDG (Evolved Packet Data Gateway, EvolvedPacketDataGateway); for the Wimax system, the non-3GPP gateway network element is ASNGW (access Service network gateway, AccessServiceNetworkGateway); For the CDMA system, the non-3GPP gateway network element is AGW (access gateway, AccessGateway);
2、Non-3GPPGW执行接入认证和授权流程，判断UE是否允许接入，如果允许接入，则正常处理，如果禁止接入，则执行步骤3；2. The Non-3GPPGW executes the access authentication and authorization process to determine whether the UE is allowed to access, if the access is allowed, it will be processed normally, if the access is prohibited, then step 3 will be performed;
3、Non-3GPPGW判断UE是否存在紧急业务，如果不存在，则Non-3GPPGW拒绝UE的接入；如果UE存在紧急业务，则Non-3GPPGW接受UE的接入。接入接受消息中携带UE在这个区域内禁止接入的信息，可以通过如下方法实现：3. The Non-3GPPGW judges whether the UE has an emergency service, if not, the Non-3GPPGW rejects the UE's access; if the UE has an emergency service, the Non-3GPPGW accepts the UE's access. The access acceptance message carries the information that the UE is forbidden to access in this area, which can be realized by the following methods:
在接入接受消息中增加“ForbiddenAccessFlag”字段。如果这个字段的值为True，则表明UE在这个区域内禁止接入。如果这个字段的值为False，则表明UE在这个区域内正常接入；Add the "ForbiddenAccessFlag" field in the Access Accept message. If the value of this field is True, it indicates that the UE is prohibited from accessing in this area. If the value of this field is False, it indicates that the UE accesses normally in this area;
4、UE收到接入接受消息后判断消息中的标识位，如果标识位表明UE在这个区域内禁止接入，则UE发起释放隧道请求，即发起隧道去连接程序，保留紧急业务使用的隧道资源，释放正常业务使用的隧道资源；4. After receiving the access acceptance message, the UE judges the identification bit in the message. If the identification bit indicates that the UE is prohibited from accessing in this area, the UE initiates a tunnel release request, that is, initiates the tunnel disconnection procedure, and reserves the tunnel used by the emergency service. resources, release the tunnel resources used by normal business;
4’、UE向Non-3GPPGW发送释放隧道确认；4', UE sends a release tunnel confirmation to Non-3GPPGW;
5、Non-3GPPGW发送隧道去连接报告消息至AAAServer，通知隧道资源被释放。AAAServer释放隧道资源，然后回隧道去连接报告确认消息给AAAServer；5. The Non-3GPPGW sends a tunnel disconnection report message to the AAAServer to notify that the tunnel resources are released. AAAServer releases the tunnel resources, and then returns to the tunnel to connect and report a confirmation message to AAAServer;
5’、AAAServer释放隧道资源，然后回复隧道去连接报告确认消息至Non-3GPPGW。5', AAAServer releases the tunnel resource, and then replies the tunnel connection report confirmation message to the Non-3GPPGW.
请参阅图7，为本发明实施例提供的另一种接入处理方法的流程图，该方法应用于基于IP连通接入网络的通信系统中，包括步骤：Please refer to FIG. 7 , which is a flow chart of another access processing method provided by an embodiment of the present invention. The method is applied to a communication system based on an IP connection access network, and includes steps:
步骤S71：当在禁止区域内发起接入请求被网络侧拒绝时，则向网络侧网元发起紧急接入请求；Step S71: When the access request initiated in the prohibited area is rejected by the network side, initiate an emergency access request to the network element on the network side;
步骤S72：保留所述发起紧急接入请求的紧急业务使用的资源。Step S72: Reserve the resources used by the emergency service that initiates the emergency access request.
优选的，所述方法还包括：释放正常业务使用的资源。Preferably, the method further includes: releasing resources used by normal services.
IP-CAN网络中的网络侧网元收到UE的接入请求消息后如果发现用户在这个区域内受限或者漫游时受限，则网络侧网元拒绝UE的接入请求。UE收到网络侧网元发送的接入拒绝消息后如果发现存在紧急业务，则UE发送紧急接入请求消息到网络侧网元，网络侧网元接受UE的紧急接入请求消息，同时发起网络侧资源释放流程，将用户建立的正常业务使用的资源释放掉或者UE收到网络侧网元发送的紧急接入接受消息后发起资源释放流程，将用户建立的正常业务使用的资源释放掉。在保留紧急业务使用资源的同时，判断用户设备是否存在信令承载，若存在，则保留；在紧急业务结束后，用户设备在信令承载上发起紧急业务终止流程。If the network-side network element in the IP-CAN network receives the UE's access request message and finds that the user is restricted in this area or is restricted when roaming, the network-side network element rejects the UE's access request. If the UE finds that there is an emergency service after receiving the access rejection message sent by the network element on the network side, the UE sends an emergency access request message to the network element on the network side, and the network element on the network side accepts the emergency access request message from the UE and initiates a network The side resource release process releases the resources used by the normal services established by the user or the UE initiates the resource release process after receiving the emergency access acceptance message sent by the network element on the network side to release the resources used by the normal services established by the user. While reserving the resources used by the emergency service, it is determined whether the user equipment has a signaling bearer, and if so, it is reserved; after the emergency service ends, the user equipment initiates an emergency service termination process on the signaling bearer.
为了便于本领域技术的人员的理解，请参阅下述实施例。For easy understanding of those skilled in the art, please refer to the following examples.
请参阅图8，为本发明第五实施例接入处理方法的流程图。在本实施例中，MME/SGSN收到UE发送的跟踪区更新请求/路由区更新请求消息后判断UE在这个区域内是否业务禁止或者漫游禁止，如果是，则MME/SGSN拒绝UE的跟踪区更新请求/路由区更新请求。UE收到MME/SGSN发送的跟踪区更新拒绝/路由区更新拒绝消息后判断是否存在紧急业务，如果存在，则UE发送紧急跟踪区更新请求/紧急路由区更新请求消息到MME。MME接受UE的紧急跟踪区更新请求/紧急路由区更新请求，并且发起网络侧去激活流程，将用户建立的正常业务使用的承载删除掉，保留紧急业务使用的相关承载。具体的实现过程为：Please refer to FIG. 8 , which is a flowchart of an access processing method according to a fifth embodiment of the present invention. In this embodiment, after receiving the Tracking Area Update Request/Routing Area Update Request message sent by the UE, the MME/SGSN judges whether the UE is prohibited from service or roaming in this area, and if so, the MME/SGSN rejects the tracking area of the UE Update request/routing area update request. After receiving the tracking area update rejection/routing area update rejection message sent by the MME/SGSN, the UE judges whether there is an emergency service, and if so, the UE sends an emergency tracking area update request/urgent routing area update request message to the MME. The MME accepts the UE's emergency tracking area update request/emergency routing area update request, and initiates a network-side deactivation process to delete the bearer used by the normal service established by the user and retain the relevant bearer used by the emergency service. The specific implementation process is:
1、UE发送跟踪区请求消息至MME/SGSN；对于SAE系统，UE发送跟踪区更新请求消息给MME；对于GPRS/UMTS，UE发送路由区更新请求消息给SGSN；1. The UE sends a tracking area request message to the MME/SGSN; for the SAE system, the UE sends a tracking area update request message to the MME; for GPRS/UMTS, the UE sends a routing area update request message to the SGSN;
2、MME/SGSN收到UE发送的跟踪区更新请求消息后判断UE在区域内是否业务禁止或者漫游禁止，如果是，则MME/SGSN拒绝UE的跟踪区更新请求，回复跟踪区更新拒绝消息至UE，同时MME/SGSN判断UE是否存在紧急业务，如果存在，则MME/SGSN不删除UE的用户上下文和承载上下文，等待UE的处理；2. After receiving the tracking area update request message sent by the UE, the MME/SGSN judges whether the UE is prohibited from service or roaming within the area. If yes, the MME/SGSN rejects the UE's tracking area update request and replies with a tracking area update rejection message to At the same time, the MME/SGSN judges whether the UE has emergency services. If so, the MME/SGSN does not delete the UE's user context and bearer context, and waits for the UE's processing;
3、UE收到MME/SGSN回复的跟踪区更新拒绝消息，判断UE是否存在紧急业务：如果不存在，则UE删除用户上下文及承载上下文，不再进行后续处理；如果UE存在紧急业务，则UE发送紧急跟踪区更新请求消息给MME/SGSN，请求紧急接入，UE也可以将跟踪区更新请求消息的UpdateType设置为emergencyaccess来表示紧急接入；3. The UE receives the tracking area update rejection message replied by the MME/SGSN, and judges whether the UE has an emergency service: if not, the UE deletes the user context and the bearer context, and does not perform subsequent processing; if the UE has an emergency service, the UE Send an emergency tracking area update request message to the MME/SGSN to request emergency access, and the UE can also set the UpdateType of the tracking area update request message to emergency access to indicate emergency access;
4、MME/SGSN接受UE的紧急跟踪区更新请求，发送删除承载请求消息到ServingGW；即：MME/SGSN接受UE的紧急跟踪区更新请求/紧急路由区更新请求，同时MME/SGSN发送删除承载请求消息到ServingGW发起网络侧承载删除流程，将UE的正常业务使用的承载删除掉，保留紧急业务使用的相关承载。具体参见第一实施例中的处理，在此不再赘述。4. MME/SGSN accepts UE's emergency tracking area update request, and sends a delete bearer request message to ServingGW; that is: MME/SGSN accepts UE's emergency tracking area update request/emergency routing area update request, and at the same time MME/SGSN sends a delete bearer request The message is sent to the ServingGW to initiate the bearer deletion process on the network side, delete the bearer used by the UE's normal business, and retain the relevant bearer used by the emergency business. For details, refer to the processing in the first embodiment, which will not be repeated here.
4’、ServingGW回复删除无线承载响应消息至MME/SGSN，MME/SGSN发起网络侧承载删除流程，将UE的正常业务使用的承载删除掉，保留紧急业务使用的相关承载；4', ServingGW replies delete radio bearer response message to MME/SGSN, MME/SGSN initiates network side bearer deletion process, deletes the bearer used by UE's normal business, and retains the relevant bearer used by emergency business;
5、MME/SGSN发起无线承载删除流程，将删除的承载对应的无线承载删除；5. The MME/SGSN initiates the radio bearer deletion process, and deletes the radio bearer corresponding to the deleted bearer;
6、MME/SGSN发送紧急跟踪区更新接受消息至UE；步骤6和步骤4之间没有先后时序关系6. MME/SGSN sends an emergency tracking area update acceptance message to UE; there is no sequence relationship between step 6 and step 4
7、UE向MME/SGSN回复紧急跟踪区更新完成消息。7. The UE replies an urgent tracking area update complete message to the MME/SGSN.
还请参阅图9，为，本发明六实施例中接入处理方法的流程图，在本实施例中，MME/SGSN收到UE发送的跟踪区更新请求/路由区更新请求消息后判断UE在这个区域内是否业务禁止或者漫游禁止，如果是，则MME/SGSN拒绝UE的跟踪区更新请求/路由区更新请求。UE收到MME/SGSN发送的跟踪区更新拒绝/路由区更新拒绝消息后判断是否存在紧急业务，如果存在，则UE发送紧急跟踪区更新请求/紧急路由区更新接受消息到MME/SGSN。MME/SGSN接受UE的紧急跟踪区更新请求/紧急路由区更新请求。UE收到MME发送的紧急跟踪区更新接受/紧急路由区更新接受消息后发起承载去激活流程，将用户建立的正常业务使用的承载删除掉，保留紧急业务使用的相关承载。其具体的实现过程为：Please also refer to FIG. 9, which is a flow chart of the access processing method in the sixth embodiment of the present invention. In this embodiment, the MME/SGSN determines that the UE is in the Whether the service is prohibited or the roaming is prohibited in this area, if so, the MME/SGSN rejects the tracking area update request/routing area update request of the UE. After receiving the tracking area update rejection/routing area update rejection message sent by the MME/SGSN, the UE judges whether there is an emergency service, and if so, the UE sends an emergency tracking area update request/urgent routing area update acceptance message to the MME/SGSN. MME/SGSN accepts UE's emergency tracking area update request/emergency routing area update request. After receiving the Emergency Tracking Area Update Accept/Emergency Routing Area Update Accept message sent by the MME, the UE initiates the bearer deactivation process, deletes the bearer used by the normal service established by the user, and retains the relevant bearer used by the emergency service. Its specific implementation process is:
1、UE发送跟踪区请求消息至MME/SGSN；对于SAE系统，UE发送跟踪区更新请求消息给MME；对于GPRS/UMTS系统，UE发送路由区更新请求消息给SGSN；1. The UE sends a tracking area request message to the MME/SGSN; for the SAE system, the UE sends a tracking area update request message to the MME; for the GPRS/UMTS system, the UE sends a routing area update request message to the SGSN;
2、MME/SGSN收到UE发送的跟踪区更新请求消息，判断UE在区域内是否业务禁止或者漫游禁止，如果是，则MME/SGSN拒绝UE的跟踪区更新请求，发送跟踪区更新拒绝消息至UE，同时MME/SGSN判断UE是否存在紧急业务，如果存在，则MME/SGSN不删除UE的用户上下文和承载上下文，等待UE的处理；2. The MME/SGSN receives the tracking area update request message sent by the UE, and judges whether the UE is prohibited from service or roaming in the area. If yes, the MME/SGSN rejects the tracking area update request of the UE, and sends a tracking area update rejection message to At the same time, the MME/SGSN judges whether the UE has emergency services. If so, the MME/SGSN does not delete the UE's user context and bearer context, and waits for the UE's processing;
3、UE收到MME/SGSN发送的跟踪区更新拒绝消息，判断UE是否存在紧急业务，如果不存在，则UE删除用户上下文及承载上下文，不再进行后续处理，如果UE存在紧急业务，则UE发送紧急跟踪区更新请求消息至MME/SGSN，请求紧急接入，UE也可以将跟踪区更新请求消息中的更新类型(UpdateType)设置为紧急接入(emergencyaccess)来表示紧急接入；3. The UE receives the tracking area update rejection message sent by the MME/SGSN, and judges whether the UE has emergency services. If not, the UE deletes the user context and the bearer context, and does not perform subsequent processing. If the UE has emergency services, the UE Send an emergency tracking area update request message to the MME/SGSN to request emergency access, and the UE can also set the update type (UpdateType) in the tracking area update request message to emergency access (emergency access) to indicate emergency access;
4、MME/SGSN接受UE的紧急跟踪区更新请求，回复紧急跟踪区更新接受消息至UE；4. The MME/SGSN accepts the UE's emergency tracking area update request, and replies with an emergency tracking area update acceptance message to the UE;
5、UE回复紧急跟踪区更新完成消息至MME/SGSN；5. The UE replies with an emergency tracking area update completion message to the MME/SGSN;
6、UE保留紧急业务使用的紧急承载，并判断UE是否存在信令承载，如果UE存在信令承载，则保留信令承载，并向MME/SGSN发送去激活流程请求消息，将其它的承载删除；6. The UE reserves the emergency bearer used by the emergency service, and judges whether the UE has a signaling bearer. If the UE has a signaling bearer, it reserves the signaling bearer, and sends a deactivation process request message to the MME/SGSN to delete other bearers ;
7、MME/SGSN发送删除承载请求消息到ServingGW发起网络侧承载删除流程，将去激活的承载删除掉；7. MME/SGSN sends a delete bearer request message to ServingGW to initiate the network side bearer deletion process, and deletes the deactivated bearer;
7’、ServeringGW向MME/SGSN回复删除承载响应消息；7', ServeringGW replies to the MME/SGSN with a delete bearer response message;
8、MME/SGSN发起无线承载删除流程，将去激活承载对应的无线承载删除；8. The MME/SGSN initiates the radio bearer deletion process, and deletes the radio bearer corresponding to the deactivated bearer;
9、MME/SGSN发送去激活承载接受消息至UE9. The MME/SGSN sends a deactivation bearer acceptance message to the UE
若存在信令承载，紧急业务完成后UE在信令承载上发起紧急业务终止流程。If there is a signaling bearer, the UE initiates an emergency service termination procedure on the signaling bearer after the emergency service is completed.
还请参阅图10，为本发明第七实施例接入处理方法的流程图。在本实施例中，非3GPP网关设备收到UE发送的接入请求消息后判断判断UE在这个区域内是否禁止进入，如果是，则非3GPP网关设备拒绝UE的接入请求。UE收到非3GPP网关设备发送的接入拒绝消息后判断是否存在紧急业务，如果存在，则UE发送紧急接入请求消息到非3GPP网关设备。非3GPP网关设备接受UE的紧急接入请求。非3GPP网关设备或者UE发起隧道去连接流程，将用户建立的正常业务使用的隧道资源删除掉，保留紧急业务使用的隧道资源。具体过程为：Please also refer to FIG. 10 , which is a flow chart of the access processing method according to the seventh embodiment of the present invention. In this embodiment, after receiving the access request message sent by the UE, the non-3GPP gateway device judges whether the UE is prohibited from entering the area, and if so, the non-3GPP gateway device rejects the UE's access request. After receiving the access rejection message sent by the non-3GPP gateway device, the UE judges whether there is an emergency service, and if so, the UE sends an emergency access request message to the non-3GPP gateway device. The non-3GPP gateway device accepts the UE's emergency access request. The non-3GPP gateway device or UE initiates a tunnel disconnection process, deletes the tunnel resources used by the normal business established by the user, and reserves the tunnel resources used by the emergency business. The specific process is:
1、UE发送接入请求消息至Non-3GPPGW；对于WLAN系统来说，非3GPP网关网元为EPDG(演进分组数据网关，EvolvedPacketDataGateway)；对于Wimax系统来说，非3GPP网关网元为ASNGW(接入业务网络网关，AccessServiceNetworkGateway)；对于CDMA系统来说，非3GPP网关网元为AGW(接入网关，AccessGateway)；1. The UE sends an access request message to the Non-3GPPGW; for the WLAN system, the non-3GPP gateway network element is EPDG (Evolved Packet Data Gateway, EvolvedPacketDataGateway); for the Wimax system, the non-3GPP gateway network element is ASNGW (connected to Incoming service network gateway, AccessServiceNetworkGateway); For the CDMA system, the non-3GPP gateway network element is AGW (access gateway, AccessGateway);
2、Non-3GPPGW执行接入认证和授权流程，判断UE是否允许接入；2. The Non-3GPPGW executes the access authentication and authorization process to determine whether the UE is allowed to access;
3、如果UE在区域内禁止进入，则Non-3GPPGW拒绝UE的接入请求，发送接入拒绝消息给UE，并且Non-3GPPGW判断UE是否存在紧急业务，如果存在，则非3GPP网关设备不释放UE使用的隧道资源，等待UE的处理；3. If the UE is prohibited from entering the area, the Non-3GPPGW rejects the UE's access request and sends an access rejection message to the UE, and the Non-3GPPGW judges whether the UE has emergency services. If so, the non-3GPP gateway device does not release The tunnel resources used by the UE are waiting for the processing of the UE;
4、UE收到Non-3GPPGW发送的接入拒绝消息，判断自身是否存在紧急业务，如果不存在，则UE释放使用的隧道资源，不再进行后续处理，如果UE存在紧急业务，则UE发送紧急接入请求消息至Non-3GPPGW，请求紧急接入，UE也可以将接入请求消息中的AccessType设置为emergencyaccess表示紧急接入；4. The UE receives the access rejection message sent by the Non-3GPPGW, and judges whether it has an emergency service. If not, the UE releases the tunnel resources used and does not perform subsequent processing. If the UE has an emergency service, the UE sends an emergency service. The access request message is sent to the Non-3GPPGW to request emergency access, and the UE can also set the AccessType in the access request message to emergencyaccess to indicate emergency access;
5、Non-3GPPGW接收紧急接入请求；发送紧急接入消息给UE；5. The Non-3GPPGW receives the emergency access request; sends an emergency access message to the UE;
6、UE或者非3GPP网关设备保留紧急业务使用的隧道资源，对于其它业务使用的隧道资源发起隧道去连接程序释放使用的隧道资源；6. The UE or non-3GPP gateway device reserves the tunnel resources used by emergency services, and initiates a tunnel deconnection procedure for tunnel resources used by other services to release the used tunnel resources;
7’、非3GPP网关设备发送隧道去连接报告消息给AAAServer，通知隧道资源被释放。AAAServer释放隧道资源，然后回隧道去连接报告确认消息给AAAServer。7'. The non-3GPP gateway device sends a tunnel connection report message to the AAAServer to notify that the tunnel resources are released. AAAServer releases the tunnel resources, and then returns to the tunnel to connect and report a confirmation message to AAAServer.
需要说明是，UE也可能在如下的情况下发起紧急接入流程：UE中保存业务禁止或者漫游禁止的区域信息，当UE发现新的接入区域在它的保存禁止区域信息中存在时且UE存在紧急业务，则UE直接发起紧急接入流程来接入网络。这种情况下的紧急接入流程处理同上面实施例中的处理，这里不再描述。It should be noted that the UE may also initiate an emergency access procedure in the following situations: the UE stores information on areas where services are prohibited or roaming is prohibited, and when the UE finds that a new access area exists in its saved area information and the UE If there is an emergency service, the UE directly initiates an emergency access procedure to access the network. The processing of the emergency access procedure in this case is the same as that in the above embodiment, and will not be described here again.
同理，本发明实施例同样提供了用户设备需要切换或重定位到新的区域。即在切换(Handover)或者重定位(Relocation)流程中源侧接入网或者源侧核心网如果发现UE切换或者重定位的目标区域对UE是禁止接入的，则源侧接入网或者源侧核心网判断UE是否存在紧急业务，如果存在，则源侧发给目标侧的资源信息中只包含紧急业务使用的资源信息，目标侧的网络重建这些资源，而其它的业务使用的资源信息将不携带给目标侧，这些资源在完成切换后由源侧发起去激活流程删除掉(也可以由UE发起或者目标侧发起去激活流程删除掉)。Similarly, the embodiment of the present invention also provides that the user equipment needs to be handed over or relocated to a new area. That is, if the source-side access network or the source-side core network finds that the target area of UE handover or relocation is prohibited from being accessed by the UE during the handover (Handover) or relocation (Relocation) process, the source-side access network or source The core network on the side judges whether the UE has emergency services. If so, the resource information sent from the source side to the target side only includes the resource information used by the emergency service. The network on the target side rebuilds these resources, and the resource information used by other services will be These resources are not carried to the target side, and these resources are deleted by the source side initiating the deactivation process after the handover is completed (these resources can also be deleted by the UE or the target side initiating the deactivation process).
请参阅图11，为本发明实施例提供的又一种接入处理方法的流程图，所述方法包括：Please refer to FIG. 11 , which is a flow chart of another access processing method provided by an embodiment of the present invention, and the method includes:
步骤S111：当用户设备从源侧网络切换至目标侧网络时，若用户设备的目标区域为禁止区域，则源侧网络判断所述用户设备是否存在紧急业务，若是，则所述源侧网络将所述紧急业务使用的资源信息发送给目标网络(步骤S112)；若否，正常处理(步骤S114)Step S111: When the user equipment is handed over from the source-side network to the target-side network, if the target area of the user equipment is a forbidden area, the source-side network judges whether the user equipment has emergency services, and if so, the source-side network will The resource information used by the emergency service is sent to the target network (step S112); if not, normal processing (step S114)
步骤S113：所述目标网络建立紧急业务使用的资源。Step S113: the target network establishes resources used by the emergency service.
在切换或者重定位流程中，源侧接入网或源侧核心网判断用户设备切换或重定位目标区域是否禁止接入，若是，则源侧接入网或源侧核心网判断用户设备是否存在紧急业务，若存在，则向目标网络发送重定位请求消息，该消息中包括紧急业务使用的资源；目标网络重建紧急业务所使用的资源，在这些资源完成切换后，源侧网络或用户设备或目标网络发起去激活流程将这些资源删除。In the handover or relocation process, the source-side access network or the source-side core network judges whether the user equipment is handed over or relocated. If there is an emergency service, a relocation request message is sent to the target network, which includes the resources used by the emergency service; the target network rebuilds the resources used by the emergency service, and after these resources are switched, the source side network or user equipment or The target network initiates a deactivation process to delete these resources.
再请参阅图12，本发明第八实施例提供一种接入处理方法的流程图。在本实施例中，源侧接入网或者源侧核心网在重定位或者切换流程中如果发现UE切换或者重定位的目标区域对UE是禁止接入的，则源侧接入网或者源侧核心网判断UE是否存在紧急业务，如果存在，则在转交重定位请求消息中只携带紧急业务使用的资源信息，目标网络收到这个消息后重建这些资源。在切换完成后源侧接入网或者源侧核心网将其它业务使用的资源删除掉。其具体的实现过程为：Referring to FIG. 12 again, the eighth embodiment of the present invention provides a flow chart of an access processing method. In this embodiment, if the source-side access network or the source-side core network finds that the target area of UE handover or relocation is prohibited from being accessed by the UE during the relocation or handover process, the source-side access network or source-side The core network judges whether there is an emergency service in the UE, and if so, only the resource information used by the emergency service is carried in the handover relocation request message, and the target network rebuilds these resources after receiving this message. After the handover is completed, the source-side access network or the source-side core network deletes resources used by other services. Its specific implementation process is:
1、源侧接入网执行切换决定，决定是否执行切换。如果原接入系统为GPRS，源侧接入网为源侧BSS；如果源侧接入系统为UMTS，源侧接入网为源侧RNC；如果源侧接入系统为SAE，源侧接入网为源侧eNodeB；如果源侧接入系统为Wimax，则源侧接入网为BS(BaseStation)。源侧接入网根据目标区域是否是禁止区域、UE是否存在紧急业务来判决是否允许切换；共存在以下几种情况；1. The source-side access network executes a handover decision, and decides whether to execute the handover. If the original access system is GPRS, the source-side access network is the source-side BSS; if the source-side access system is UMTS, the source-side access network is the source-side RNC; if the source-side access system is SAE, the source-side access network The network is the source-side eNodeB; if the source-side access system is Wimax, the source-side access network is the BS (BaseStation). The source-side access network judges whether to allow the handover according to whether the target area is a prohibited area and whether the UE has emergency services; there are the following situations;
如果源侧接入网内没有UE的禁止区域信息，则源侧接入网正常处理；If there is no prohibited area information of the UE in the source-side access network, the source-side access network handles it normally;
如果源侧接入网内存在UE的禁止区域信息，则源侧接入网判断UE需切换或者重定位的目标区域是否在禁止区域内，如果不在禁止区域内，则源侧接入网正常处理；If there is forbidden area information of the UE in the source-side access network, the source-side access network judges whether the target area where the UE needs to be handed over or relocated is within the forbidden area, and if not, the source-side access network processes normally ;
如果目标区域在禁止区域内，则源侧接入网判断UE是否存在紧急业务，如果UE不存在紧急业务，则源侧接入网不允许执行切换，如果UE存在紧急业务，则源侧接入网允许执行切换；If the target area is in the prohibited area, the source-side access network judges whether the UE has emergency services. If the UE does not have emergency services, the source-side access network does not allow handover. If the UE has emergency services, the source-side access network net allows switching to be performed;
源侧接入网可以使用下述方法，判断UE是否存在紧急业务，也就是判断UE存在的无线承载：The source-side access network can use the following methods to determine whether the UE has emergency services, that is, to determine the radio bearer that the UE exists:
判断UE使用的承载使用的APN，如果发现存在特定的APN(globallydedicatedemergencyAPN)，则源侧接入网认为UE存在紧急业务使用的无线承载，也就是UE存在紧急业务；Determine the APN used by the bearer used by the UE. If a specific APN (globally dedicated emergency APN) is found, the source-side access network considers that the UE has a radio bearer used by the emergency service, that is, the UE has an emergency service;
判断UE使用的承载使用的QoS参数中的紧急指示位(EmergencyIndication)，如果发现存在紧急指示位的值为YES，则源侧接入网认为UE存在紧急业务使用的无线承载，也就是UE存在紧急业务；Determine the emergency indication bit (EmergencyIndication) in the QoS parameter used by the bearer used by the UE. If the value of the emergency indication bit is found to be YES, the source-side access network considers that the UE has a radio bearer used by emergency services, that is, the UE has an emergency indication bit. business;
2、源侧接入网发送重定位请求消息至源侧核心网，消息中携带“需目标侧创建的资源”信元，“需目标侧创建的资源”信元可以为如下两种方式：2. The source-side access network sends a relocation request message to the source-side core network, and the message carries the "resources to be created by the target side" information element, and the "resources to be created by the target side" information element can be in the following two ways:
源侧接入网在重定位请求消息中“需目标侧创建的资源”信元中只携带紧急业务使用的资源信息，其它业务使用的资源信息不携带；The source-side access network only carries the resource information used by the emergency service in the "resources to be created by the target side" information element in the relocation request message, and does not carry the resource information used by other services;
源侧接入网在重定位请求消息中“需目标侧创建的资源”信元中携带UE使用的所有资源信息。由源侧核心网再进行处理；The access network at the source side carries all resource information used by the UE in the "resources to be created by the target side" information element in the relocation request message. It is processed by the core network at the source side;
3、源侧核心网转发重定位请求消息到目标侧核心网，消息中包括“需目标侧创建的资源”信元。源侧核心网根据源侧接入网发送的“需目标侧创建的资源”信元、目标区域是否是禁止区域、UE是否存在紧急业务作决定，决定是否允许切换以及需要目标侧创建的资源，共包括以下三种情况：3. The core network at the source side forwards the relocation request message to the core network at the target side, and the message includes the "resources to be created at the target side" information element. The core network at the source side makes a decision based on the "resources to be created by the target side" information element sent by the access network at the source side, whether the target area is a prohibited area, and whether there is an emergency service in the UE, and decides whether to allow handover and the resources that need to be created by the target side. Including the following three situations:
如果目标区域不是禁止区域，则源侧核心网正常处理；If the target area is not a prohibited area, the source-side core network handles it normally;
如果目标区域是禁止区域，并且UE不存在紧急业务，则源侧核心网拒绝切换请求或者重定位请求，回复切换失败或者重定位失败消息给源侧接入网；If the target area is a prohibited area, and the UE does not have emergency services, the core network at the source side rejects the handover request or the relocation request, and replies with a handover failure or relocation failure message to the source side access network;
如果目标区域是禁止区域，并且UE存在紧急业务，则源侧核心网允许进行切换或者重定位操作，转发重定位请求消息，并且在重定位请求消息中的“需目标侧创建的资源”信元中只携带紧急业务使用的资源信息，不携带其它业务使用的资源信息。源侧核心网可以从源侧接入网携带的“需目标侧创建的资源”信元中获取这些信息或者自己从紧急业务使用的承载中获取这些信息；或者“需目标侧创建的资源”信元中携带UE使用的所有资源信息，由目标侧在完成切换后进行相关的处理；或者“需目标侧创建的资源”信元中携带UE使用的所有资源信息，但是消息中携带标识标明目标侧核心网紧急业务使用的资源需要创建而其它的资源不需要创建，可以如下两种方式处理：If the target area is a forbidden area, and the UE has emergency services, the core network at the source side allows the handover or relocation operation, forwards the relocation request message, and the "resources to be created at the target side" information element in the relocation request message Only the resource information used by the emergency service is carried in , and the resource information used by other services is not carried. The core network at the source side can obtain these information from the "resources to be created by the target side" information element carried by the access network at the source side or obtain these information itself from the bearer used by the emergency service; or the "resources to be created by the target side" information The cell carries all resource information used by the UE, and the target side performs related processing after the handover is completed; or the "resources to be created by the target side" cell carries all resource information used by the UE, but the message carries an identifier to indicate the target side Resources used by core network emergency services need to be created while other resources do not need to be created, which can be handled in the following two ways:
在消息中增加建立指示位(EstablishmentFlag)，指示位为True，表示紧急业务所对应的资源需要在目标侧创建，指示位为False，表示紧急业务所对应的资源不需要在目标侧创建；Add an establishment indication bit (EstablishmentFlag) to the message. The indication bit is True, indicating that the resources corresponding to the emergency service need to be created on the target side, and the indication bit is False, indicating that the resources corresponding to the emergency service do not need to be created on the target side;
在消息中增加资源建立优先级(EstablishmentPrioritization)的信元，这个信元值为0表示紧急业务所对应的资源在目标侧不需要创建，其它的值表示紧急业务所对应的资源在目标侧需要创建，值越大，表示对应的资源创建的优先级越高；Add the resource establishment priority (EstablishmentPrioritization) information element in the message. The value of this information element is 0, indicating that the resources corresponding to the emergency service do not need to be created on the target side, and other values indicate that the resources corresponding to the emergency service need to be created on the target side. , the larger the value, the higher the priority of the corresponding resource creation;
4、目标核心网发送重定位请求或者切换请求消息给目标接入网。目标核心网根据源侧携带的“需目标侧创建的资源”信元中携带的信息请求目标侧接入网建立这些资源对应的源侧接入网资源。如果目标接入系统为GPRS，目标接入网为目标侧BSS；如果目标接入系统为UMTS，目标接入网为目标RNC；如果目标接入系统为SAE，目标接入网为目标eNodeB；如果目标接入系统为Wimax，则目标接入网为目标BS(基站，BaseStation)；4. The target core network sends a relocation request or handover request message to the target access network. The target core network requests the target access network to establish source-side access network resources corresponding to these resources according to the information carried in the "resources to be created by the target side" information element carried by the source side. If the target access system is GPRS, the target access network is the target BSS; if the target access system is UMTS, the target access network is the target RNC; if the target access system is SAE, the target access network is the target eNodeB; if The target access system is Wimax, then the target access network is the target BS (base station, BaseStation);
5、目标侧接入网回复重定位请求确认或者切换请求确认消息至目标侧核心网；5. The target-side access network replies with a relocation request confirmation or handover request confirmation message to the target-side core network;
6、目标侧核心网转交重定位响应消息至源侧核心网；6. The core network on the target side forwards the relocation response message to the core network on the source side;
7、源侧核心网发送重定位命令或者切换命令消息至源侧接入网，命令消息中增加“ForbiddenAccessFlag”字段，如果这个字段的值为True，则表明UE在目标区域内禁止接入，如果这个字段的值为False，则表明UE在目标区域内正常接入；7. The core network on the source side sends a relocation command or handover command message to the access network on the source side, and adds a "ForbiddenAccessFlag" field to the command message. If the value of this field is True, it indicates that the UE is prohibited from accessing in the target area. If The value of this field is False, indicating that the UE is normally accessed in the target area;
8、源侧接入网将重定位命令或切换命消息发送至UE，通知UE进行切换；8. The access network at the source side sends a relocation command or a handover order message to the UE, and notifies the UE to perform handover;
9、UE切换到目标侧接入系统，发送切换完成消息至目标侧接入网，如果UE发现切换命令消息中“ForbiddenAccessFlag”标志为True，则UE只保留紧急业务使用的资源而本地释放其它业务使用的资源；9. The UE switches to the access system on the target side, and sends a handover completion message to the access network on the target side. If the UE finds that the "ForbiddenAccessFlag" flag in the switching command message is True, the UE only reserves the resources used by the emergency service and releases other services locally. resources used;
10、目标侧接入网发送重定位完成消息至目标侧核心网；10. The access network on the target side sends a relocation completion message to the core network on the target side;
11、目标侧核心网将重定位完成消息转发至源侧核心网；11. The core network on the target side forwards the relocation completion message to the core network on the source side;
12、目标核心网发起承载修改流程，修改目标侧建立的资源；12. The target core network initiates the bearer modification process to modify the resources established on the target side;
13、源侧核心网收到目标侧核心网发送“转交重定位请求”消息，如果发现UE在目标区域禁止接入，则源侧核心网发起承载删除流程，保留紧急业务使用的资源，删除其它业务使用的资源。13. The core network on the source side receives the "Handover Relocation Request" message sent by the core network on the target side. If it finds that the UE is prohibited from accessing in the target area, the core network on the source side initiates a bearer deletion process, reserves resources used by emergency services, and deletes other resources. Resources used by the business.
根据上述实施例所提供的方法，用户设备在区域切换或重定位的过程中，如果用户设备在目标区域内被禁止，同样能够实现紧急业务的处理。According to the method provided by the above-mentioned embodiments, during the area handover or relocation process of the user equipment, if the user equipment is barred in the target area, emergency service processing can also be implemented.
需要说明是，紧急业务使用的资源外的其它资源删除处理也可以由UE或者目标侧核心网在切换完成后的接入流程(如TAU流程)中进行处理，具体处理流程参见以上的实施例描述，这里不再描述。It should be noted that the deletion of resources other than the resources used by the emergency service can also be processed by the UE or the core network on the target side in the access process (such as the TAU process) after the handover is completed. For the specific processing process, refer to the description of the above embodiments. , will not be described here.
相应地，本发明实施例提供一种接入处理装置，该装置用于对户设备接入网络时进行处理，其结构示意图详见图13，所述装置包括：接入请求接收单元131，接入分析单元132、紧急业务判断单元133和紧急业务处理单元134，优选的，所述装置还包括无线承载删除单元135。其中，所述接入请求接收单元131，用于接收用户设备发起的接入请求；所述接入分析单元132，用于分析所述接入请求接收单元接收到的接入请求，判断用户设备是否位于禁止区域；所述紧急业务判断单元133，用于根据接入分析单元的判断结果，当用户设备位于禁止区域时判断所述用户设备是否存在紧急业务；所述紧急业务处理单元134，用于根据所述紧急业务判断单元的判断结果，接受用户设备的接入，并保留该用户设备所述紧急业务使用的资源。Correspondingly, an embodiment of the present invention provides an access processing device, which is used to process when a user equipment accesses a network. For a schematic structural diagram, see FIG. 13 , the device includes: an access request receiving unit 131, which An input analysis unit 132, an emergency service judging unit 133, and an emergency service processing unit 134. Preferably, the device further includes a radio bearer deletion unit 135. Wherein, the access request receiving unit 131 is configured to receive an access request initiated by the user equipment; the access analyzing unit 132 is configured to analyze the access request received by the access request receiving unit, and determine whether the user equipment Whether it is located in a forbidden area; the emergency service judging unit 133 is configured to judge whether the user equipment has an emergency service when the user equipment is located in a forbidden area according to the judgment result of the access analysis unit; the emergency service processing unit 134 is used to According to the judgment result of the emergency service judging unit, the access of the user equipment is accepted, and the resources used by the emergency service of the user equipment are reserved.
其中，所述紧急业务判断单元133包括有：接入点名判断子单元1331和/或紧急指示位判断子单元1332(图中虚线所示)。接入点名判断子单元1331，用于根据接入分析单元的判断结果，判断所述用户设备使用的承载接入点名是否为特定接入点名，并将存在特定接入点名的用户设备判断为存在紧急业务。所述紧急指示位判断子单元1332，用于根据接入分析单元的判断结果，判断所述用户设备使用的承载服务质量参数中是否存在紧急指示位，并将存在紧急指示位的用户设备判断为存在紧急业务。Wherein, the emergency service judging unit 133 includes: an access point name judging subunit 1331 and/or an emergency indication bit judging subunit 1332 (shown by a dotted line in the figure). The access point name judging subunit 1331 is configured to judge whether the bearer access point name used by the user equipment is a specific access point name according to the judgment result of the access analysis unit, and determine that the user equipment with the specific access point name exists Urgent business. The emergency indicator judging subunit 1332 is configured to judge whether there is an emergency indicator in the bearer quality of service parameter used by the user equipment according to the judgment result of the access analysis unit, and judge the user equipment with the emergency indicator as Urgent business exists.
其中，所述接入请求为跟踪区更新请求或路由区更新请求。Wherein, the access request is a tracking area update request or a routing area update request.
紧急业务处理单元134包括有：网络侧资源释放单元1341、资源处理子单元1342、信令承载判断子单元1343和/或信令承载保留子单元1344。The emergency service processing unit 134 includes: a network side resource release unit 1341 , a resource processing subunit 1342 , a signaling bearer judgment subunit 1343 and/or a signaling bearer reservation subunit 1344 .
所述装置实现紧急业务的处理方式如下：The processing method of the device to realize the emergency service is as follows:
接入请求接收单元131接收到用户设备发起的接入请求，并将所述接入请求发送至接入分析单元132，所述接入分析单元132将分析的结果发送给紧急业务判断单元133；The access request receiving unit 131 receives the access request initiated by the user equipment, and sends the access request to the access analysis unit 132, and the access analysis unit 132 sends the analysis result to the emergency service judgment unit 133;
紧急业务判断单元133根据接收到的接入请求或判断禁止的结果，使用接入点名判断子单元1331或紧急指示位判断子单元1332，判断用户设备是否存在紧急业务，并将判断结果发送至紧急业务处理单元134；The emergency service judging unit 133 uses the access point name judging subunit 1331 or the emergency indication bit judging subunit 1332 to judge whether there is an emergency service in the user equipment according to the received access request or judging the prohibition result, and sends the judging result to the emergency service. business processing unit 134;
紧急业务处理单元134接收到紧急业务的判断结果，其中The emergency service processing unit 134 receives the judgment result of the emergency service, wherein
网络侧资源释放单元1341接受用户设备发送的请求，发起网络侧资源释放流程，删除所述用户设备正常使用的资源；资源处理子单元1342用于在判断结果为存在紧急业务时，接受用户设备发送的接入请求，并保留该用户设备紧急业务使用的资源；信令承载判断子单元1343判断用户设备是否存在信令承载，并将判断结果发送至信令承载保留子单元1344；信令承载保留子单元1334根据所述判断结果，保留用户设备的信令承载；The network side resource release unit 1341 accepts the request sent by the user equipment, initiates the network side resource release process, and deletes the resources normally used by the user equipment; access request, and reserve the resources used by the user equipment for emergency services; the signaling bearer judgment subunit 1343 judges whether there is a signaling bearer in the user equipment, and sends the judgment result to the signaling bearer reservation subunit 1344; the signaling bearer reservation subunit 1344 The subunit 1334 reserves the signaling bearer of the user equipment according to the judgment result;
网络资源释放单元1341发起网络侧资源释放流程后，无线承载删除单元1345发起无线承载删除流程，将释放资源对应的无线承载删除。After the network resource release unit 1341 initiates the network side resource release procedure, the radio bearer deletion unit 1345 initiates the radio bearer deletion procedure, and deletes the radio bearer corresponding to the released resource.
所述装置还可以包括：网络侧分离处理单元，用于在所述紧急业务结束后，发起用户分离处理，并将所述用户设备从网络中分离。The apparatus may further include: a network-side detachment processing unit, configured to initiate user detachment processing and detach the user equipment from the network after the emergency service ends.
所述装置为独立存在的物理实体，或者集成于移动性管理实体或网关设备中。The apparatus is an independent physical entity, or integrated into a mobility management entity or a gateway device.
另外，本发明实施例还可以提供另一种用户设备，用于向网络侧发起接入请求，并接入到通信网络中进行通信，其结构示意图详见请图14，所述装置包括：紧急接入请求发起单元141和紧急业务保留单元142。所述紧急接入请求发起单元141，当在禁止区域内发起接入请求被网络侧拒绝时，用于在禁止区域内向网络侧网元发起紧急接入请求；所述紧急业务保留单元142，用于保留所述发起接入请求的用户设备紧急业务使用的资源，释放正常业务使用的资源。In addition, the embodiment of the present invention can also provide another user equipment, which is used to initiate an access request to the network side, and access to the communication network for communication. Please refer to FIG. 14 for a schematic diagram of its structure. The device includes: emergency An access request initiation unit 141 and an emergency service reservation unit 142 . The emergency access request initiating unit 141 is configured to initiate an emergency access request to network elements in the prohibited area when an access request initiated in the prohibited area is rejected by the network side; the emergency service reservation unit 142 uses In order to reserve the resources used by the user equipment that initiates the access request for emergency services, release the resources used by normal services.
所述装置还包括：拒绝判断单元或接入区域判断单元。其中，所述拒绝判断单元，用于在收到网络侧网元反馈的拒绝消息时，根据所述拒绝消息判该用户设备是否存在紧急业务，并将存在紧急业务的判断发送给紧急接入请求发起单元；或者接入区域判断单元，判断接入的区域是否为禁止区域，若是，则将携带紧急接入请求或者携带有紧急访问类型的紧急接入请求发送给紧急接入请求发起单元。The device further includes: a rejection judging unit or an access area judging unit. Wherein, the rejection judging unit is configured to, when receiving a rejection message fed back by a network element on the network side, judge whether the user equipment has an emergency service according to the rejection message, and send the judgment of the existence of the emergency service to the emergency access request An initiating unit; or an access area judging unit, judging whether the accessed area is a prohibited area, and if so, sending an emergency access request carrying an emergency access request or an emergency access type to the emergency access request initiating unit.
所述用户设备还包括：用户侧释放单元，用于在紧急业务保留单元保留紧急业务使用的资源后，释放正常业务使用的资源。The user equipment further includes: a user-side releasing unit, configured to release resources used by normal services after the resources used by emergency services are reserved by the emergency service reservation unit.
所述用户设备还包括：用户侧分离单元，用于在紧急业务结束后，发起用户分离处理，并将所述用户设备从网络中分离。The user equipment further includes: a user-side detachment unit, configured to initiate user detachment processing and separate the user equipment from the network after the emergency service ends.
本发明实施例又提供一种接入处理装置，其结构示意图如图15所示，所述装置包括：紧急业务判断单元151、紧急业务发起单元152和紧急资源建立单元153。其中，所述紧急业务判断单元151，当用户设备从源侧网络切换至目标侧网络时，用于判断目标区域为禁止区域的用户设备是否存在紧急业务，并发送是紧急业务的判断结果；所述紧急业务发起单元152，用于在接收到所述是紧急业务的判断结果后向目标网络发送紧急业务使用的资源信息；所述紧急资源建立单元153，用于根据紧急业务发送单元发送的所述紧急业务使用的资源信息建立所述紧急业务使用的资源。The embodiment of the present invention further provides an access processing device, the structure diagram of which is shown in FIG. Wherein, the emergency service judging unit 151 is configured to judge whether the user equipment whose target area is a prohibited area has an emergency service when the user equipment is handed over from the source side network to the target side network, and send a judgment result of the emergency service; The emergency service initiating unit 152 is configured to send the resource information used by the emergency service to the target network after receiving the judgment result that the emergency service is received; the emergency resource establishment unit 153 is used to The resource information used by the emergency service is used to establish the resource used by the emergency service.
所述装置还包括：资源判断单元，用于根据接收到的重定位或切换请求中指示位或资源建立优先级信息的信元判断是否建立紧急业务使用的资源，并将判断结果发送给紧急资源建立单元。The device also includes: a resource judging unit, configured to judge whether to establish resources used by emergency services according to the received indication bit or resource establishment priority information in the relocation or handover request, and send the judgment result to the emergency resource Create units.
所述接入处理装置还包括：第一切换准备单元，用于在源侧网络中的源侧接入网元判断所述用户设备存在紧急业务时，允许该用户设备切换，并发送切换消息到源侧移动性管理网元。The access processing device further includes: a first handover preparation unit, configured to allow handover of the user equipment when the source-side access network element in the source-side network judges that the user equipment has an emergency service, and send a handover message to Source-side mobility management network element.
所述接入处理装置还包括：第二切换准备单元，用于在源侧网络中的源侧移动性管理网元判断所述用户设备存在紧急业务时，允许所述用户设备切换，并发送切换消息到目标侧移动性管理网元。The access processing device further includes: a second handover preparation unit, configured to allow the handover of the user equipment when the source-side mobility management network element in the source-side network determines that the user equipment has an emergency service, and send a handover The message is sent to the mobility management network element on the target side.
所述装置或系统中各个单元的功能和作用详见上述方法中对应的实现过程，在此不再赘述。For details on the functions and functions of each unit in the device or system, refer to the corresponding implementation process in the above method, and details are not repeated here.
再请参阅图16，本发明第九实施例提供一种接入处理方法的流程图。在本实施例中，UE移动到禁止区域后网络侧网元判断UE是否存在紧急业务。如果UE存在紧急业务，则网络侧网元接受UE的接入。当网络侧网元发现UE的紧急业务终止时，网络侧网元或者UE发起用户分离流程，将UE从网络中分离。其具体的实现过程为：Referring to FIG. 16 again, the ninth embodiment of the present invention provides a flowchart of an access processing method. In this embodiment, after the UE moves into the prohibited area, the network element on the network side judges whether the UE has an emergency service. If the UE has an emergency service, the network element on the network side accepts the UE's access. When the network element on the network side finds that the emergency service of the UE is terminated, the network element on the network side or the UE initiates a user separation process to separate the UE from the network. Its specific implementation process is:
1、UE发送跟踪区更新请求消息或者路由区更新请求消息至网络侧网元。对于E-UTRAN网络来说，其网络侧网元为MME；对于GERAN/UTRAN网络来说，其网络侧网元为SGSN；1. The UE sends a tracking area update request message or a routing area update request message to the network element on the network side. For E-UTRAN network, its network element is MME; for GERAN/UTRAN network, its network element is SGSN;
2、网络侧网元发送位置更新消息至HSS；2. The network element on the network side sends a location update message to the HSS;
3.HSS发送插入签约数据消息至网络侧网元，消息中携带UE的签约数据，包括UE的漫游位置禁止区域“forbiddenlocationareasforroaming”或者整个供应区域的位置禁止区域“forbiddenlocationareasforregionalprovisionofservice”信息；3. The HSS sends an insert subscription data message to the network element on the network side, and the message carries the subscription data of the UE, including the roaming location forbidden area "forbiddenlocationareasforroaming" of the UE or the location forbidden area "forbiddenlocationareasforregionalprovisionofservice" information of the entire provisioning area;
3′、所述网络侧网元向HSS回复插入签约数据确认消息。3'. The network-side network element replies to the HSS with a confirmation message for inserting subscription data.
4、HSS返回位置更新确认消息给网络侧网元。4. The HSS returns a location update confirmation message to the network element on the network side.
5、网络侧网元根据用户的签约数据和用户的接入区域，判断UE在这个区域内是否业务禁止或者漫游禁止，可能存在的情况为：5. The network element on the network side judges whether the UE is prohibited from service or roaming in this area according to the subscription data of the user and the access area of the user. The possible situations are:
如果UE在这个区域内不是业务禁止或者漫游禁止，则网络侧网元正常处理；如果UE在这个区域内业务禁止或者漫游禁止，则网络侧网元判断UE是否存在紧急业务；如果UE没有紧急业务，则网络侧网元拒绝UE的跟踪区更新请求或者路由区更新请求，结束本流程(本图未示)。If the UE is not prohibited from service or roaming in this area, the network element on the network side handles it normally; if the UE is prohibited from service or roaming in this area, the network element on the network side judges whether the UE has emergency services; , the network element on the network side rejects the UE's tracking area update request or routing area update request, and ends this process (not shown in this figure).
如果UE在这个区域内业务禁止或者漫游禁止，但是这个UE存在紧急业务，则网络侧网元接受UE的跟踪区更新请求/路由区更新请求，并向UE发送跟踪区更新接受消息或者路由区更新接受消息；If the service or roaming of the UE is prohibited in this area, but the UE has emergency services, the network element on the network side accepts the tracking area update request/routing area update request of the UE, and sends a tracking area update acceptance message or routing area update to the UE receive messages;
跟踪区更新接受消息或者路由区更新接受消息中携带UE在区域内禁止接入的信息，可以通过如下方式实现：The Tracking Area Update Accept message or the Routing Area Update Accept message carries information that the UE is prohibited from accessing in the area, which can be implemented in the following ways:
1)在跟踪区更新接受消息或者路由区更新接受消息中增加“ForbiddenAccessFlag”字段，如果这个字段的值为True，则表明UE在这个区域内禁止接入，如果这个字段的值为False，则表明UE在这个区域内正常接入；1) Add the "ForbiddenAccessFlag" field in the Tracking Area Update Accept message or Routing Area Update Accept message. If the value of this field is True, it indicates that the UE is forbidden to access in this area; if the value of this field is False, it indicates The UE accesses normally in this area;
2)在跟踪区更新接受消息或者路由区更新接受消息中携带“ForbiddenTA”或者“ForbiddenLA”字段，这个字段中携带UE禁止接入的区域信息，如UE在哪些TA区域内禁止接入。2) The "ForbiddenTA" or "ForbiddenLA" field is carried in the Tracking Area Update Accept message or the Routing Area Update Accept message. This field carries the area information that the UE is prohibited from accessing, such as in which TA areas the UE is prohibited from accessing.
UE判断跟踪区更新接受消息或者路由区更新接受消息中的区域内禁止接入的信息，如果禁止接入标识位标明UE在区域内禁止接入或者UE当前接入的区域在禁止区域内，则UE保留紧急业务使用的紧急承载，同时判断UE是否存在信令承载，如果UE存在信令承载，则保留信令承载；The UE judges the information that access is prohibited in the area in the tracking area update acceptance message or the routing area update acceptance message. If the access prohibition flag indicates that the UE is prohibited from accessing in the area or the area currently accessed by the UE is in the prohibited area, then The UE reserves the emergency bearer used by the emergency service, and at the same time judges whether the UE has a signaling bearer, and if the UE has a signaling bearer, then reserves the signaling bearer;
6、在紧急业务完成后，UE发送PDN去连接请求消息到网络侧网元，请求紧急业务使用的承载资源释放。6. After the emergency service is completed, the UE sends a PDN disconnection request message to the network element on the network side, requesting the release of bearer resources used by the emergency service.
7、网络侧网元发送删除承载请求消息到ServingGW，请求将紧急业务使用的承载资源删除。7. The network element on the network side sends a delete bearer request message to the ServingGW, requesting to delete the bearer resource used by the emergency service.
8、ServingGW发送删除承载请求消息到PDNGW。PDNGW删除紧急业务使用的承载资源后回删除承载响应消息到ServingGW(即8′)。8. The ServingGW sends a delete bearer request message to the PDNGW. After the PDNGW deletes the bearer resource used by the emergency service, it returns a delete bearer response message to the ServingGW (ie 8').
9、ServingGW回删除承载响应消息到网络侧网元。9. The ServingGW returns a delete bearer response message to the network element on the network side.
10、网络侧网元发起无线承载删除程序，将紧急业务使用的无线承载资源释放。10. The network element on the network side initiates a radio bearer deletion procedure to release the radio bearer resources used by the emergency service.
紧急业务使用的承载资源被释放后用户分离程序被执行。如果用户分离程序由网络侧发起，则执行步骤11至步骤13；如果用户分离程序由UE发起，则执行步骤14至步骤16；The user separation procedure is executed after the bearer resources used by the emergency service are released. If the user separation procedure is initiated by the network side, perform steps 11 to 13; if the user separation procedure is initiated by the UE, perform steps 14 to 16;
11、网络侧网元如果发现UE的紧急业务使用的承载资源被释放且UE现在接入的区域为禁止区域后，网络侧网元发送分离请求消息到UE，请求UE从网络中分离。11. If the network element on the network side finds that the bearer resources used by the emergency service of the UE have been released and the area the UE is currently accessing is a prohibited area, the network element on the network side sends a detach request message to the UE, requesting the UE to detach from the network.
12、UE接受分离请求消息，回复分离接受消息到网络侧网元。12. The UE accepts the detachment request message, and replies a detachment acceptance message to the network element on the network side.
13、网络侧网元发起承载删除程序，删除非紧急业务使用的承载资源。其处理类似于步骤7至步骤10的处理，这里不再详细描述。13. The network element on the network side initiates a bearer deletion procedure to delete bearer resources used by non-emergency services. Its processing is similar to that of step 7 to step 10, and will not be described in detail here.
14、UE如果发现UE的紧急业务使用的承载资源被释放且UE现在接入的区域为禁止区域后，UE发送分离请求消息到网络侧网元，请求UE从网络中分离。14. If the UE finds that the bearer resources used by the UE's emergency service have been released and the area the UE is currently accessing is a prohibited area, the UE sends a detach request message to the network element on the network side, requesting the UE to detach from the network.
15、网络侧网元发起承载删除程序，删除非紧急业务使用的承载资源。其处理类似于本实施例的步骤7至步骤10的处理，在此不再详细描述。15. The network element on the network side initiates a bearer deletion procedure to delete bearer resources used by non-emergency services. The processing thereof is similar to the processing of step 7 to step 10 of this embodiment, and will not be described in detail here.
16、网络侧网元接受分离请求消息，回复分离接受消息到UE。16. The network element on the network side accepts the detachment request message, and replies a detachment acceptance message to the UE.
需要说明的是，非紧急业务使用的资源删除处理也可以在TAU或者RAU流程中进行处理，具体处理流程参见以上的实施例描述，在此不再描述。It should be noted that the deletion of resources used by non-emergency services can also be processed in the TAU or RAU process, and the specific processing process can be found in the description of the above embodiments, and will not be described here.
再请参阅图17，本发明第十实施例提供一种接入处理方法的流程图。在本实施例中，UE移动到禁止区域后网络侧网元判断UE是否存在紧急业务。如果UE存在紧急业务，则网络侧网元接受UE的接入。当网络侧网元发现UE的紧急业务终止时，网络侧网元或者UE发起用户分离流程，将UE从网络中分离。其具体的实现过程为：Referring to FIG. 17 again, the tenth embodiment of the present invention provides a flowchart of an access processing method. In this embodiment, after the UE moves into the prohibited area, the network element on the network side judges whether the UE has an emergency service. If the UE has an emergency service, the network element on the network side accepts the UE's access. When the network element on the network side finds that the emergency service of the UE is terminated, the network element on the network side or the UE initiates a user separation process to separate the UE from the network. Its specific implementation process is:
1、UE发送接入请求至非3GPP网关设备(Non-3GPPGW)；对于WLAN系统来说，非3GPP网关网元为EPDG(演进分组数据网关，EvolvedPacketDataGateway)；对于Wimax系统来说，非3GPP网关网元为ASNGW(接入业务网络网关，AccessServiceNetworkGateway)；对于CDMA系统来说，非3GPP网关网元为AGW(接入网关，AccessGateway)。1. The UE sends an access request to a non-3GPP gateway device (Non-3GPPGW); for the WLAN system, the non-3GPP gateway network element is EPDG (Evolved Packet Data Gateway, EvolvedPacketDataGateway); for the Wimax system, the non-3GPP gateway network element The element is ASNGW (Access Service Network Gateway, AccessServiceNetworkGateway); for the CDMA system, the non-3GPP gateway network element is AGW (Access Gateway, AccessGateway).
2、Non-3GPPGW执行接入认证和授权流程，判断UE是否允许接入；2. The Non-3GPPGW executes the access authentication and authorization process to determine whether the UE is allowed to access;
3、如果UE在这个区域内禁止进入，则Non-3GPPGW判断UE是否存在紧急业务，如果不存在，则非3GPP网关拒绝UE的接入，如果UE存在紧急业务，则非3GPP网关接受UE的接入请求，发送接入接受消息到UE。3. If the UE is prohibited from entering this area, the Non-3GPPGW judges whether the UE has emergency services. If not, the non-3GPP gateway rejects the UE’s access. If the UE has emergency services, the non-3GPP gateway accepts the UE’s access. Incoming request, send an Access Accept message to the UE.
接入接受消息中携带UE在区域内禁止接入的信息，可以通过如下方式实现：The access acceptance message carries the information that the UE is prohibited from accessing in the area, which can be realized in the following ways:
1)在接入接受消息中增加“ForbiddenAccessFlag”字段，如果这个字段的值为True，则表明UE在这个区域内禁止接入，如果这个字段的值为False，则表明UE在这个区域内正常接入；1) Add the "ForbiddenAccessFlag" field in the access acceptance message. If the value of this field is True, it indicates that the UE is forbidden to access in this area. If the value of this field is False, it indicates that the UE is normally connected in this area. enter;
2)在接入接受消息中携带“ForbiddenLA”字段，这个字段中携带UE禁止接入的区域信息，如UE在哪些位置区域内禁止接入。2) The "ForbiddenLA" field is carried in the access acceptance message, and this field carries the area information that the UE is prohibited from accessing, such as the location areas in which the UE is prohibited from accessing.
UE判断接入接受消息中的区域内禁止接入的信息，如果禁止接入标识位标明UE在区域内禁止接入或者UE当前接入的区域在禁止区域内，则UE保留紧急业务使用的紧急承载，同时判断UE是否存在信令承载，如果UE存在信令承载，则保留信令承载；The UE judges the access prohibited information in the area in the access acceptance message. If the prohibited access flag indicates that the UE is prohibited from accessing in the area or the area that the UE is currently accessing is in the prohibited area, the UE reserves the emergency services used by the UE. bearer, while judging whether the UE has a signaling bearer, and if the UE has a signaling bearer, the signaling bearer is retained;
4、紧急业务完成后UE发送PDN去连接请求消息到Non-3GPPGW，请求紧急业务使用的承载资源释放。4. After the emergency service is completed, the UE sends a PDN connection request message to the Non-3GPPGW to request the release of bearer resources used by the emergency service.
5、non-3GPPGW发送代理绑定更新消息到PDNGW，请求PDNGW将紧急业务使用的资源释放。PDNGW释放紧急业务使用的资源，回复代理绑定确认消息到non-3GPPGW(即5′)。5. The non-3GPPGW sends a proxy binding update message to the PDNGW, requesting the PDNGW to release the resources used by the emergency service. The PDNGW releases the resources used by the emergency service, and replies the proxy binding confirmation message to the non-3GPPGW (ie 5').
6、non-3GPPGW发起无线承载删除程序，释放紧急业务使用的无线承载资源。6. The non-3GPPGW initiates a radio bearer deletion procedure to release radio bearer resources used by emergency services.
7、non-3GPPGW回PDN去连接接受消息到UE。7. The non-3GPPGW returns to the PDN to send the connection acceptance message to the UE.
紧急业务使用的承载资源被释放后用户分离程序被执行。如果用户分离程序由non-3GPPGW发起，则执行步骤8至步骤10；如果用户分离程序由UE发起，则执行步骤11至步骤13。The user separation procedure is executed after the bearer resources used by the emergency service are released. If the user separation procedure is initiated by the non-3GPPGW, perform steps 8 to 10; if the user separation procedure is initiated by the UE, perform steps 11 to 13.
8、non-3GPPGW如果发现UE的紧急业务使用的承载资源被释放且UE现在接入的区域为禁止区域后，non-3GPPGW发送分离请求消息到UE，请求UE从网络中分离。8. If the non-3GPPGW finds that the bearer resource used by the emergency service of the UE has been released and the area the UE is currently accessing is a prohibited area, the non-3GPPGW sends a detach request message to the UE, requesting the UE to detach from the network.
9、UE接受分离请求消息，回复分离接受消息到non-3GPPGW。9. The UE accepts the detach request message, and replies a detach accept message to the non-3GP PGW.
10、non-3GPPGW发起承载删除程序，删除非紧急业务使用的承载资源。其处理类似于本实施例中的步骤5至步骤6的处理，在此不再详细描述。10. The non-3GPPGW initiates a bearer deletion procedure to delete bearer resources used by non-emergency services. The processing thereof is similar to the processing of step 5 to step 6 in this embodiment, and will not be described in detail here.
11、UE如果发现UE的紧急业务使用的承载资源被释放且UE现在接入的区域为禁止区域后，UE发送分离请求消息到non-3GPPGW，请求UE从网络中分离。11. If the UE finds that the bearer resource used by the UE's emergency service has been released and the area the UE is currently accessing is a prohibited area, the UE sends a detach request message to the non-3GP PGW, requesting the UE to detach from the network.
12、non-3GPPGW发起承载删除程序，删除非紧急业务使用的承载资源。其处理类似于本实施例中的步骤5至步骤6的处理，在此不再详细描述。12. The non-3GPPGW initiates a bearer deletion procedure to delete bearer resources used by non-emergency services. The processing thereof is similar to the processing of step 5 to step 6 in this embodiment, and will not be described in detail here.
13、non-3GPPGW接受分离请求消息，回复分离接受消息到UE。13. The non-3GPPGW accepts the detach request message, and replies a detach accept message to the UE.
需要说明的是，非紧急业务使用的资源删除处理也可以在接入流程中进行处理，具体处理流程参见以上的实施例描述，在此不再描述。It should be noted that the deletion of resources used by non-emergency services can also be processed in the access process, and the specific processing process can be referred to the description of the above embodiments, and will not be described here.
上述为本发明实施例所提供的禁止区域内的接入处理方法及装置，并且以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以作出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。The above is the access processing method and device in the prohibited area provided by the embodiment of the present invention, and the above is only a preferred implementation mode of the present invention. It should be pointed out that for those of ordinary skill in the art, without Under the premise of the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.
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