CN102227925A - A method and device for updating system information - Google Patents
A method and device for updating system informationDownload PDFInfo
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Abstract
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Description
Translated fromChinese一种系统信息更新方法和设备 技术领域 A system information update method and device Technical field
本发明涉及通信技术领域， 特别涉及一种系统信息更新方法和设备。 背景技术 The present invention relates to the field of communication technologies, and in particular to a method and device for updating system information. Background technique
为了满足 IMT-Advanced (高级国际移动通信）的要求， 支持高达 lGbits/s 的峰值数据速率， 3GPP (第三代合作伙伴计划） LTE- ADVANCED ( LTE- A, LTE的演进版 ) 系统目前已经同意将载波汇聚（ CA, Carrier Aggregation )技 术作为其扩展系统带宽的方法。 载波汇聚可将多个组成载波（CC, Component Carrier )汇聚成一个高于 20MHz的载波， 以支持高速数据输率， 例如， LTE-A 系统的下行带宽可由 5个 20MHz的载波汇聚而成， 形成 1GHz的带宽。 由于 采用了多个载波，多载波系统在对多个载波的系统信息更新时需要广播多个载 波的系统信息。 In order to meet the requirements of IMT-Advanced (Advanced International Mobile Telecommunications) and support a peak data rate of up to lGbits/s, the 3GPP (Third Generation Partnership Project) LTE-ADVANCED (LTE-A, an evolution of LTE) system has now agreed Carrier Aggregation (CA, Carrier Aggregation) technology is used as a method for expanding system bandwidth. Carrier aggregation can aggregate multiple component carriers (CC, Component Carrier) into a carrier higher than 20MHz to support high-speed data transmission rate. For example, the downlink bandwidth of the LTE-A system can be aggregated by five 20MHz carriers to form 1GHz bandwidth. Since multiple carriers are used, the multi-carrier system needs to broadcast the system information of multiple carriers when updating the system information of multiple carriers.
在现有的 LTE系统中， 系统信息的更新方法包括： 在空闲（Idle )模式下， UE ( User Equipment, 用户设备 )监听寻呼（ paging )消息， UE在寻呼消息中 获知系统信息是否将要改变， 如果 UE收到系统信息改变的通知， 则在系统信 息改变周期内去更新系统信息。 在激活（Active )模式下， UE有两种方式更新 系统信息， 除了之前提到的采用寻呼消息更新系统信息外， UE可利用系统信 息块 1 ( SIB1 , System Information Blockl ) 消息来实现所述更新， 例如， UE 可接收 SIB1消息， 然后检查该 SIB1消息中的标签（value tag )字段的值是否改 变， 如果改变， 则说明系统信息发生改变， 则 UE在系统信息改变周期内去更 新系统信息。 对于多载波系统而言， UE如何进行多个组成载波的系统信息更 新就称为一个问题。 发明内容 本发明实施例提供一种系统信息更新方法和设备，以实现对多个组成载波 的系统信息更新。 In the existing LTE system, the method for updating system information includes: In an idle (Idle) mode, UE (User Equipment, user equipment) monitors a paging (paging) message, and the UE learns in the paging message whether the system information is about to Change, if the UE receives a notification of system information change, it will update the system information within the system information change period. In the active (Active) mode, the UE has two ways to update the system information. In addition to updating the system information by using the paging message mentioned above, the UE can use the system information block 1 (SIB1, System Information Blockl) message to implement the above Update, for example, the UE may receive the SIB1 message, and then check whether the value of the tag (value tag) field in the SIB1 message changes. If it changes, it means that the system information has changed, and the UE updates the system information within the system information change period . For a multi-carrier system, how the UE performs system information update of multiple component carriers is called a problem. Contents of the invention Embodiments of the present invention provide a method and device for updating system information, so as to update system information for multiple component carriers.
本发明实施例提供一种系统信息更新方法， 包括： An embodiment of the present invention provides a method for updating system information, including:
获取系统信息变化情况的指示消息，所述指示消息指示了多个组成载波的 公共系统信息与专用系统信息的变化情况； Obtaining an indication message of system information changes, where the indication message indicates the changes of public system information and dedicated system information of a plurality of constituent carriers;
当多个组成载波的公共系统信息发生变化时，在多个组成载波中的部分组 成载波上获取所述公共系统信息； When the public system information of multiple component carriers changes, the public system information is acquired on some of the multiple component carriers;
当多个组成载波中的一个组成载波的专用系统信息发生变化时，在发生专 用系统信息变化的组成载波上获取所述专用系统信息。 When the dedicated system information of one of the multiple component carriers changes, the dedicated system information is acquired on the component carrier where the dedicated system information changes.
本发明实施例还提供一种系统信息更新方法， 包括： The embodiment of the present invention also provides a method for updating system information, including:
向用户设备提供系统信息变化情况的指示消息，以指示多个组成载波的公 共系统信息与专用系统信息的变化情况； Provide user equipment with an indication message of system information changes to indicate changes in the public system information and dedicated system information of multiple constituent carriers;
当多个组成载波的公共系统信息发生变化时，在多个组成载波上发送公共 系统信息； Sending common system information on multiple component carriers when the common system information of multiple component carriers changes;
当多个组成载波中的一个组成载波的专用系统信息发生变化时，在发生专 用系统信息变化的组成载波上发送所述专用系统信息。 When the dedicated system information of one of the plurality of component carriers changes, the dedicated system information is sent on the component carrier where the dedicated system information changes.
本发明实施例还提供一种用户设备， 包括： The embodiment of the present invention also provides a user equipment, including:
指示获取单元， 用于获取系统信息变化情况的指示消息， 所述指示消息指 示了多个组成载波的公共系统信息与专用系统信息的变化情况； an indication acquisition unit, configured to acquire an indication message of system information changes, where the indication message indicates changes of public system information and dedicated system information of multiple constituent carriers;
信息获取单元， 被配置为： 当多个组成载波的公共系统信息发生变化时， 在多个组成载波中的部分组成载波上获取所述公共系统信息；当多个组成载波 中的一个组成载波的专用系统信息发生变化时，在发生专用系统信息变化的组 成载波上获取所述专用系统信息。 The information obtaining unit is configured to: when the public system information of multiple component carriers changes, acquire the public system information on some of the multiple component carriers; When the dedicated system information changes, the dedicated system information is acquired on the component carrier where the dedicated system information changes.
本发明实施例还提供一种基站设备， 包括： The embodiment of the present invention also provides a base station device, including:
指示提供单元， 用于向用户设备提供系统信息变化情况的指示消息， 以指 示多个组成载波的公共系统信息与专用系统信息的变化情况； an indication providing unit, configured to provide an indication message of system information changes to the user equipment, so as to indicateDisplay the changes of public system information and dedicated system information of multiple carriers;
信息发送单元， 被配置为： 当多个组成载波的公共系统信息发生变化时， 在多个组成载波上发送公共系统信息；当多个组成载波中的一个组成载波的专 用系统信息发生变化时，在发生专用系统信息变化的组成载波上发送所述专用 系统信息。 The information sending unit is configured to: when the public system information of the multiple component carriers changes, send the public system information on the multiple component carriers; when the dedicated system information of one of the multiple component carriers changes, The dedicated system information is sent on the component carrier on which the dedicated system information changes.
由上述方案可知， 本发明实施例使得用户设备在进行系统信息更新时， 无 需在全部多个组成载波上重复获取相同的系统信息，可降低系统信息更新的复 杂性。 附图说明 It can be seen from the above solution that the embodiments of the present invention make it unnecessary for the user equipment to repeatedly acquire the same system information on all multiple component carriers when updating system information, which can reduce the complexity of updating system information. Description of drawings
图 1为本发明实施例提供的一种系统信息更新方法的示意图； FIG. 1 is a schematic diagram of a method for updating system information provided by an embodiment of the present invention;
图 2为本发明实施例提供的一种系统信息更新方法的示意图； FIG. 2 is a schematic diagram of a method for updating system information provided by an embodiment of the present invention;
图 3为本发明实施例提供的一种系统信息划分方式的示意图； FIG. 3 is a schematic diagram of a system information division method provided by an embodiment of the present invention;
图 4为本发明实施例提供的一种用户设备的示意图； FIG. 4 is a schematic diagram of a user equipment provided by an embodiment of the present invention;
图 5为本发明实施例提供的一种基站设备示意图。 具体实施方式 Fig. 5 is a schematic diagram of a base station device provided by an embodiment of the present invention. Detailed ways
下面将结合附图， 对本发明的实施方案进行详细描述。 需要说明的是， 以 下实施例仅仅是本发明一部分实施例， 而不是全部的实施例。基于本发明实施 例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施 例， 都属于本发明保护的范围。 Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the following embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
对于多载波系统而言， 在 UE接收到的 paging消息或 SIB1消息中可携带多 个载波的 index (索引）或 value tag, UE可侦听一个载波的 paging消息或 SIB1 消息以获知其他载波上的系统信息变更情况， 当多个载波的系统信息出现更 新， UE需要依次获取多个载波的系统信息， 这在一定程度上会提高系统信息 更新的复杂性。 图 1为本发明实施例提供的一种系统信息更新方法的示意图，所述方法包 括： For a multi-carrier system, the paging message or SIB1 message received by the UE may carry index (index) or value tags of multiple carriers, and the UE may monitor the paging message or SIB1 message of one carrier to know the In the case of system information change, when the system information of multiple carriers is updated, the UE needs to acquire the system information of multiple carriers in sequence, which will increase the complexity of system information update to a certain extent. Fig. 1 is a schematic diagram of a method for updating system information provided by an embodiment of the present invention, the method comprising:
S11: 获取系统信息变化情况的指示消息， 所述指示消息指示了多个组成 载波的公共系统信息与专用系统信息的变化情况； S11: Obtain an indication message of system information change, where the indication message indicates the change of public system information and dedicated system information of multiple component carriers;
S12: 当多个组成载波的公共系统信息发生变化时， 在多个组成载波中的 部分组成载波上获取所述公共系统信息；当多个组成载波中的一个组成载波的 专用系统信息发生变化时，在发生专用系统信息变化的组成载波上获取所述专 用系统信息。 S12: When the public system information of multiple component carriers changes, acquire the public system information on some of the multiple component carriers; when the dedicated system information of one of the multiple component carriers changes , acquiring the dedicated system information on the component carrier where the dedicated system information changes.
在本实施例中， 组成载波的系统信息被分为公共系统信息和专用系统信 息，公共系统信息是对多个组成载波而言相同的系统信息， 而某一个组成载波 的专用系统信息可以是该组成载波特定的信息。也就是说， 本实施例可以将多 个组成载波的系统信息中的共同部分作为公共系统信息 ,使得 UE可在多个组 成载波中选择部分组成载波来获取所述公共系统信息，无需在全部多个组成载 波上重复获取相同的系统信息， 可降低系统信息更新的复杂性，从而节省设备 的功耗。 In this embodiment, the system information of a component carrier is divided into public system information and dedicated system information. The public system information is the same system information for multiple component carriers, and the dedicated system information of a certain component carrier may be the Consists of carrier specific information. That is to say, in this embodiment, the common part of the system information of multiple component carriers can be used as the common system information, so that the UE can select a part of the component carriers from the multiple component carriers to obtain the common system information without having to Obtaining the same system information repeatedly on each component carrier can reduce the complexity of system information update, thereby saving the power consumption of the device.
在一个例子中， 所述获取系统信息变化情况的指示消息可包括： 接收寻呼 消息或系统信息块 1消息，从寻呼消息或系统信息块 1消息中获取系统信息变 化情况的指示消息。 所述指示消息中可包括： 专用系统信息发生变化的指示标 签， 用于指示是否有专用系统信息发生变化； 发生专用系统信息变化的组成载 波的索引号 （Index ), 用于指示是哪些组成载波的专用系统信息发生了变化。 所述指示消息中也可包括： 公共系统信息发生变化的指示标签， 用于指示公共 系统信息是否发生变化。在多个组成载波中的部分组成载波上获取所述公共系 统信息可进一步包括：在多个组成载波中的一个组成载波上获取所述公共系统 信息， 以进一步降低系统信息更新的复杂性， 此处用于获取公共系统信息的那 个载波可以是多个组成载波中的任一用于广播系统信息的组成载波。 可以理 解，用户设备不仅可通过接收寻呼消息或系统信息块 1消息获取系统信息发生 变化的指示消息，也可通过其它自定义的消息获得所述指示消息， 本实施例对 此不进行限定。 In an example, the acquiring the indication message of system information change may include: receiving a paging message or system information block 1 message, and acquiring the indication message of system information change from the paging message or system information block 1 message. The indication message may include: an indication tag indicating that dedicated system information has changed, used to indicate whether dedicated system information has changed; an index number (Index) of a component carrier where dedicated system information has changed, used to indicate which component carriers The private system information for has changed. The indication message may also include: an indication tag indicating that the public system information has changed, which is used to indicate whether the public system information has changed. Acquiring the public system information on some of the multiple component carriers may further include: acquiring the public system information on one of the multiple component carriers, so as to further reduce the complexity of updating system information, where The carrier used to obtain the public system information may be any one of the plurality of component carriers used to broadcast system information. reasonableIt can be understood that the user equipment can not only obtain the indication message of the system information change by receiving the paging message or the system information block 1 message, but also obtain the indication message through other self-defined messages, which is not limited in this embodiment.
终端， 即用户设备， 可在多个组成载波中的某一个组成载波上获取公共系 统信息， 该用于获取公共系统信息的组成载波可称为当前组成载波。 所述指示 消息可指示在当前组成载波上广播的系统信息，和除当前组成载波之外其他组 成载波的专用系统信息。当前组成载波上广播的系统信息包括所述当前组成载 波的公共系统信息和 /或当前组成载波的专用系统信息。 基站可向用户设备发 送寻呼消息或系统信息块 1消息，在所述寻呼消息或系统信息块 1消息中携带 在当前组成载波上广播的新系统信息的指示标签，另外还可携带除当前组成载 波之外的其他组成载波的新专用系统信息的指示消息， 所述指示消息可包括： 专用系统信息发生变化的指示标签， 用于指示是否有专用系统信息发生变化； 发生专用系统信息变化的组成载波的索引号，用于指示是哪些组成载波的专用 系统信息发生了变化。 这样当 UE获知当前组成载波上的系统信息发生变化， 可在当前组成载波上获取新的系统信息， 当 UE获知其他组成载波上的系统信 息发生变化， 则在相应的组成载波上获取新的系统信息。 A terminal, that is, a user equipment, may obtain public system information on a certain component carrier among multiple component carriers, and the component carrier used to obtain public system information may be called a current component carrier. The indication message may indicate the system information broadcast on the current component carrier, and the dedicated system information of other component carriers except the current component carrier. The system information broadcast on the current component carrier includes public system information of the current component carrier and/or dedicated system information of the current component carrier. The base station can send a paging message or a system information block 1 message to the user equipment, and the paging message or system information block 1 message carries an indication tag of new system information broadcast on the current component carrier, and can also carry information other than the current An indication message of new dedicated system information of a component carrier other than the component carrier, where the indication message may include: an indication label for a change in dedicated system information, used to indicate whether there is a change in dedicated system information; a change in dedicated system information The index numbers of the constituent carriers are used to indicate which constituent carriers have their dedicated system information changed. In this way, when the UE knows that the system information on the current component carrier changes, it can acquire new system information on the current component carrier, and when the UE knows that the system information on other component carriers changes, it can acquire new system information on the corresponding component carrier. information.
另外，在指示消息指示除当前组成载波外的其他组成载波的专用系统信息 时， 所述的专用系统信息可以只包含那些紧急的系统信息，对于非紧急的那些 系统信息可以不用包含专用系统信息中， 即 UE可以不需接收那些非紧急的专 用系统信息。 所述当前组成载波可在基站重配置的时候被移除， UE可在另外 一个组成载波上接收相应的系统信息， 即在任何时候， UE可至少保持从一个 组成载波上的获取的系统信息是完整。 In addition, when the indication message indicates the dedicated system information of other component carriers except the current component carrier, the dedicated system information may only include those urgent system information, and the non-emergency system information may not be included in the dedicated system information. , that is, the UE may not need to receive those non-emergency dedicated system information. The current component carrier can be removed when the base station is reconfigured, and the UE can receive corresponding system information on another component carrier, that is, at any time, the UE can at least keep the system information obtained from one component carrier. whole.
图 2为本发明实施例提供的一种系统信息更新方法的示意图，所述方法包 括： Fig. 2 is a schematic diagram of a method for updating system information provided by an embodiment of the present invention, the method comprising:
S21: 向用户设备提供系统信息变化情况的指示消息， 以指示多个组成载 波的公共系统信息与专用系统信息的变化情况； S21: Provide the user equipment with an indication message of system information changes, to indicate that multiple component bearersChanges in wave public system information and private system information;
S22: 当多个组成载波的公共系统信息发生变化时， 在多个组成载波上发 送新的公共系统信息；当多个组成载波中的一个组成载波的专用系统信息发生 变化时，在发生专用系统信息变化的组成载波上发送所述专用系统信息。 所述 多个组成载波为具有广播系统信息功能的载波。 S22: When the public system information of multiple component carriers changes, send new public system information on multiple component carriers; when the dedicated system information of one of the multiple component carriers changes, the dedicated system The dedicated system information is sent on the component carrier where the information changes. The plurality of constituent carriers are carriers having a function of broadcasting system information.
本实施例的系统信息可被划分为 2类 ,公共系统信息是对多个组成载波而 言相同的系统信息，而某一个组成载波的专用系统信息可以是该组成载波特定 的信息。 用户设备通过掌握所述公共系统信息和专用系统信息的变化情况，执 行相应系统信息的更新， 可减少更新过程的复杂性， 从而降低功耗。 基站在发 送更新的系统信息时， 可在每个组成载波上发送与该载波相应的专用系统信 息， 并在具有广播系统信息功能的多个组成载波上发送新的公共系统信息，使 得用户设备能够在发送公共系统信息的任意一个组成载波上获取公共系统信 息。 当然， 基站可以在部分组成载波上发送公共系统信息， 此时用户设备可在 相应组成载波上获取公共系统信息。在一个例子中， 所述向用户设备提供系统 信息变化情况的指示消息包括： 向用户设备发送寻呼消息或系统信息块 1 消 息， 在所述寻呼消息或系统信息块 1 消息中携带系统信息变化情况的指示消 息。 所述指示消息中可包括： 专用系统信息发生变化的指示标签， 用于指示是 否有专用系统信息发生变化； 发生专用系统信息变化的组成载波的索引号， 用 于指示是哪些组成载波的专用系统信息发生了变化。 所述指示消息中还可包 括：公共系统信息发生变化的指示标签，用于指示公共系统信息是否发生变化。 当然，也可通过其它自定义的消息携带所述系统信息变化情况的指示消息， 本 实施例不进行限定。 The system information in this embodiment can be divided into two types, the common system information is the same system information for multiple component carriers, and the dedicated system information of a certain component carrier can be the specific information of the component carrier. By grasping the changes of the public system information and the dedicated system information, the user equipment executes the update of the corresponding system information, which can reduce the complexity of the update process, thereby reducing power consumption. When sending updated system information, the base station can send dedicated system information corresponding to the carrier on each component carrier, and send new public system information on multiple component carriers that have the function of broadcasting system information, so that the user equipment can Obtain public system information on any component carrier that sends public system information. Of course, the base station can send public system information on some component carriers, and at this time, the user equipment can acquire public system information on corresponding component carriers. In an example, the providing the indication message of the system information change to the user equipment includes: sending a paging message or a system information block 1 message to the user equipment, and carrying system information in the paging message or system information block 1 message An indication message of the changed condition. The indication message may include: an indication tag indicating that dedicated system information has changed, used to indicate whether dedicated system information has changed; an index number of a component carrier whose dedicated system information has changed, used to indicate which dedicated system of the component carrier Information has changed. The indication message may also include: an indication tag indicating that the public system information has changed, which is used to indicate whether the public system information has changed. Of course, other user-defined messages may also be used to carry the indication message of the change of the system information, which is not limited in this embodiment.
下面假设系统存在 A、 B、 C、 D和 E这 5个组成载波， 并且 A、 B、 C这 三个组成载波具有广播系统信息的功能， 组成载波 C和 D可不具备广播系统 信息的功能。其中 A、 B和 C这 3个组成载波发生系统信息更新，则基站（ eNB, eNodeB )可向 UE发送 paging消息或 SIBl消息， 以向 UE指示 Α、 Β和 C这 Assume below that the system has five component carriers A, B, C, D, and E, and the three component carriers A, B, and C have the function of broadcasting system information, and the component carriers C and D may not have the function of broadcasting system information. Wherein the three constituent carriers of A, B, and C are updated with system information, then the base station (eNB, The eNodeB) may send a paging message or a SIB1 message to the UE to indicate to the UE that A, B, and C are
3个组成载波发生系统信息更新。 基站可将载波 A、 B和 C需要更新的系统信 息中相同的部分作为公共系统信息， 而将载波 、 B和 C各自特定的系统信息 作为专用系统信息， 并将这一情况通知 UE。 在发送更新的系统信息时， 基站 可将载波 、 B和 C各自的专用系统信息在相应载波上发送， 使得 UE在相应 载波上可获得对应的专用系统信息， 如 UE可在载波 A上获得载波 A的专用 系统信息， 在载波 B上获得载波 B的专用系统信息， 在载波 C上获得载波 C 的专用系统信息。 基站可在载波 A、 B和 C中全部载波上发送公共系统信息， 使得 UE在三者任意一个载波上获得公共系统信息， 由于这一系统信息是 3个 载波共同的信息， UE不必在载波 A和 C上重复获得该信息。 当然， 基站也可 在载波 A、 B和 C中部分组成载波上发送所述公共系统信息， 此时 UE需要在 限定的那部分载波上获得该公共系统信息。System information updates occur on the three constituent carriers. The base station may use the same part of the system information that needs to be updated on carriers A, B, and C as public system information, and use the specific system information of carriers, B, and C as dedicated system information, and notify the UE of this situation. When sending the updated system information, the base station can send the respective dedicated system information of the carrier, B and C on the corresponding carrier, so that the UE can obtain the corresponding dedicated system information on the corresponding carrier, for example, the UE can obtain the carrier on the carrier A Dedicated system information of carrier A, obtain dedicated system information of carrier B on carrier B, obtain dedicated system information of carrier C on carrier C. The base station can send public system information on all carriers among carriers A, B, and C, so that the UE can obtain public system information on any one of the three carriers. Since this system information is common information of the three carriers, the UE does not need to be on carrier A and C on duplicate to get that information. Certainly, the base station may also send the public system information on some constituent carriers among the carriers A, B, and C, and at this time, the UE needs to obtain the public system information on the limited part of the carriers.
本领域技术人员可以理解，公共系统信息和专用系统信息的划分并不存在 固定的模式，可将多个载波的系统信息中某一部分相同的内容作为公共系统信 息；而在定义专用系统信息时，多个载波的专用系统信息中也可存在相同内容。 图 3为本发明实施例提供的一种系统信息划分方式的示意图。4叚设载波 1的系 统信息包括内容&、 b和 c; 载波 2的系统信息包括内容 a、 b和 d, 可将 2组 系统信息中相同的内容 a和 b作为 2个载波的公共系统信息。在本实施例的图 3中， 将内容 a作为 2个载波的公共系统信息， 将内容 b和 c作为载波 1的专 用系统信息，将内容 b和 d作为载波 2的专用系统信息， 此时 2个载波的专用 系统信息中也包括相同内容，但这不影响本实施例的实施，也能达到节省系统 信息更新复杂性的目的。 Those skilled in the art can understand that there is no fixed pattern for the division of public system information and dedicated system information, and the same part of the system information of multiple carriers can be used as public system information; when defining dedicated system information, The same content may also exist in dedicated system information of multiple carriers. Fig. 3 is a schematic diagram of a system information division method provided by an embodiment of the present invention. 4 Assume that the system information of carrier 1 includes content a, b, and c; the system information of carrier 2 includes content a, b, and d, and the same content a and b in the two sets of system information can be used as the common system information of the two carriers . In FIG. 3 of this embodiment, content a is used as the common system information of two carriers, content b and c are used as dedicated system information of carrier 1, and content b and d are used as dedicated system information of carrier 2. At this time, 2 The dedicated system information of a carrier also includes the same content, but this does not affect the implementation of this embodiment, and can also achieve the purpose of saving the complexity of updating system information.
图 4为本发明实施例提供的一种用户设备的示意图， 所述用户设备 40包 括： FIG. 4 is a schematic diagram of a user equipment provided by an embodiment of the present invention, and the user equipment 40 includes:
指示获取单元 41 , 用于获取系统信息变化情况的指示消息， 所述指示消 息指示了多个组成载波的公共系统信息与专用系统信息的变化情况； 信息获取单元 42, 被配置为： 当多个组成载波的公共系统信息发生变化 时，在多个组成载波中的部分组成载波上获取所述公共系统信息； 当多个组成 载波中的一个组成载波的专用系统信息发生变化时，在发生专用系统信息变化 的组成载波上获取所述专用系统信息。 在一种具体实现中， 信息获取单元 42 在多个组成载波中的 1个组成载波上获取所述公共系统信息。 An indication acquisition unit 41, configured to acquire an indication message of system information changes, the indication messageThe information indicates changes in the public system information and dedicated system information of multiple component carriers; the information obtaining unit 42 is configured to: when the public system information of multiple component carriers changes, part of the component The public system information is acquired on a carrier; when the dedicated system information of one of the multiple component carriers changes, the dedicated system information is acquired on the component carrier where the dedicated system information changes. In a specific implementation, the information acquiring unit 42 acquires the common system information on one component carrier among the plurality of component carriers.
本实施例的用户设备 40可以将多个组成载波的系统信息中的共同部分作 为公共系统信息， 使得用户设备 40可在多个组成载波中选择部分组成载波来 获取所述公共系统信息，可降低系统信息更新的复杂性，从而节省设备的功耗。 The user equipment 40 in this embodiment can use the common part of the system information of multiple component carriers as the public system information, so that the user equipment 40 can select a part of the component carriers from the multiple component carriers to obtain the common system information, which can reduce The complexity of system information updates, thereby saving power consumption of the device.
进一步地， 指示获取单元 41可包括： 接收模块， 用于接收寻呼消息或系 统信息块 1消息；提耳 4莫块， 用于从寻呼消息或系统信息块 1消息中获取系统 信息变化情况的指示消息。 Further, the instruction acquiring unit 41 may include: a receiving module, configured to receive a paging message or a system information block 1 message; a module configured to acquire system information changes from the paging message or system information block 1 message instruction message.
图 5为本发明实施例提供的一种基站设备示意图， 所述基站 50包括： 指示提供单元 51 , 用于向用户设备提供系统信息变化情况的指示消息， 以指示多个组成载波的公共系统信息与专用系统信息的变化情况； FIG. 5 is a schematic diagram of a base station device provided by an embodiment of the present invention. The base station 50 includes: an indication providing unit 51, configured to provide an indication message of system information changes to user equipment, so as to indicate public system information of multiple component carriers Changes with the dedicated system information;
信息发送单元 52, 被配置为： 当多个组成载波的公共系统信息发生变化 时，在多个组成载波上发送新的公共系统信息； 当多个组成载波中的一个组成 载波的专用系统信息发生变化时，在发生专用系统信息变化的组成载波上发送 所述专用系统信息。 The information sending unit 52 is configured to: when the public system information of the multiple component carriers changes, send new public system information on the multiple component carriers; when the dedicated system information of one of the multiple component carriers occurs When the dedicated system information changes, the dedicated system information is sent on the component carrier where the dedicated system information changes.
本实施例的基站 50将系统信息分为 2类，并将分类结果通知 UE,并根据 分类结果进行系统信息的发送， 以便 UE根据分类结果执行系统信息的更新， 减少系统信息更新的复杂性， 从而降低 UE功耗。 The base station 50 in this embodiment divides the system information into two categories, notifies the UE of the classification result, and sends the system information according to the classification result, so that the UE performs system information update according to the classification result, reducing the complexity of system information update, Thereby reducing UE power consumption.
进一步地， 指示提供单元 51可包括： 生成模块， 用于在所述寻呼消息或 系统信息块 1消息中嵌入系统信息变化情况的指示消息； 发送模块， 用于向用 户设备发送寻呼消息或系统信息块 1消息。 本领域普通技术人员可以理解上述方法实施例中的全部或部分流程，是可 以通过计算机程序来指令相关硬件完成的，所述的程序可存储于一计算机可读 取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中， 所述的存储介质可为磁碟、光盘、只读存储记忆体（Read-Only Memory, ROM ) 或随机存储记忆体（Random Access Memory, RAM )等。 Further, the indication providing unit 51 may include: a generating module, configured to embed an indication message of system information change in the paging message or system information block 1 message; a sending module, configured to send the paging message or System information block 1 message. Those of ordinary skill in the art can understand that all or part of the processes in the above method embodiments can be completed by instructing related hardware through computer programs, and the programs can be stored in a computer-readable storage medium. , may include the flow of the embodiments of the above-mentioned methods. Wherein, the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM) or a random access memory (Random Access Memory, RAM), etc.
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， 上述实施例还可以做出若干改 进和变型， 这些改进和变型也应视为本发明的保护范围。 The above descriptions are only preferred implementations of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can be made to the above embodiments. These improvements And modification should also be regarded as protection scope of the present invention.
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