无线连接恢复方法、 移动通信系统、 用户设备和基站 Wireless connection recovery method, mobile communication system, user equipment, and base station
技术领域Technical field
[01] 本发明总体上涉及移动通信领域， 更具体而言， 涉及一种无线连接恢复 方法、 移动通信系统、 用户设备和基站。The present invention generally relates to the field of mobile communications, and more particularly to a wireless connection recovery method, a mobile communication system, a user equipment, and a base station.
背景技术Background technique
[02] 在当前的 3GPP的长期演进 LTE ( Long Term Evaluation ) 系统以及长 期演进的后续演进 LTE-A ( Long Term Evolution, Advanced ) 系统中， 基 站 eNB ( evolved Node B， 演进型基站）会接收来自用户设备 UE ( User Equipment )的信息， 获知各个小区的信号质量、 负载情况等相关信息， 并 据此判断用户设备是否需要切换到其它小区， 以及优选期望切换到哪个小 区。 在切换准备阶段， 源基站为用户选定目标小区后， 会向目标小区所属基 站在内的多个基站发送 HORequest消息， HORequest消息中包括用户设备 的上下文信息 UE E-UTRAN context, 以及用于该用户设备的 RRC ( Radio Resource Control , 无线资源控制） 连接重建立相关信息， 例如， sourcePhysCellId、 tar getC ellshor tM AC -I和 additionalReestablnfoList等。 通过上述切换准备阶段， 目标基站在内的多个基站从源基站获取了用户设备 的上下文信息。 源基站向用户设备发送包^ 7换命令的 RRC 消息， 以下简 称切换命令消息。 作为对切换命令消息的响应， 用户设备进行切换动作。 处 于 RRC连接状态（ RRC-connected )下的用户设备，在通信链路出现问题（如 切换失败、 或切换过后发生无线链路失败）、 重配置失败或完整性校验失败 后， 会触发 RRC重建立流程来恢复之前和网络侧建立的 RRC连接。 [02] In the current 3GPP Long Term Evaluation (LTE) system and the Long Term Evolution (Advanced) system of Long Term Evolution, the base station eNB (evolved Node B) receives The information of the user equipment UE (User Equipment) learns related information such as signal quality and load status of each cell, and determines whether the user equipment needs to handover to other cells, and preferably which cell to switch to. In the handover preparation phase, after the source base station selects the target cell for the user, the source base station sends a HORequest message to the multiple base stations including the base station to which the target cell belongs, and the HORequest message includes the context information UE E-UTRAN context of the user equipment, and is used for the The RRC (Radio Resource Control) connection of the user equipment re-establishes related information, for example, sourcePhysCellId, tar getC ellshor tM AC -I, and additionalReestablnfoList. Through the foregoing handover preparation phase, a plurality of base stations including the target base station acquire the context information of the user equipment from the source base station. The source base station sends an RRC message of the packet change command to the user equipment, which is hereinafter referred to as a handover command message. In response to the handover command message, the user equipment performs a handover action. The user equipment in the RRC connection state (RRC-connected) triggers the RRC after the communication link has a problem (such as a handover failure or a radio link failure after the handover), a reconfiguration failure, or an integrity check failure. Establish a process to restore the RRC connection established before and on the network side.
[03] 在 HetNet场景下， Pico/femto等小型基站被大量布署以用于提升容量或 扩展覆盖。 在这种场景下， 干扰相对较严重， 且多层基站的布署使得用户设 备的切换频率增加。 此时， 由于干扰或者不同层的切换问题， 导致用户设备 发生无线链路失败的可能性增加， 因此用户设备需要通过 RRC连接重建立 流程来恢复无线连接。[03] In the HetNet scenario, small base stations such as Pico/femto are deployed in large numbers to increase capacity or extend coverage. In this scenario, the interference is relatively severe, and the deployment of the multi-layer base station increases the switching frequency of the user equipment. At this time, due to interference or handover problem of different layers, the possibility of the radio link failure of the user equipment increases, so the user equipment needs to resume the wireless connection through the RRC connection re-establishment procedure.
[04] 当 RRC重建立 被触发后， 目前通常的做法是用户设备 UE执行小 区选择流程来选择一个适当的重建立目标小区， 并向该小区发起 RRC连接 重建立。 用户设备往往基于小区选择准则执行小区选择流程， 所述小区选择 准则包括根据信号质量和 /或负载状况选择重建立目标小区。被选择的重建立 目标小区可能是之前发生 RRC连接失败的小区， 也可能是其他小区。 这一 无线连接恢复方法存在的问题是当用户设备向重建立目标小区发起 RRC连 接重建立时， 只有在重建立目标小区所属的基站（重建基站）具有（保存了） 该用户设备的上下文信息的情况下， 该 RRC连接重建立流程才可能成功， 若重建基站上没有用户设备的上下文信息， 则该 RRC连接重建立流程一定 会失败， 而小区选择准则通常不考虑候选基站是否具有用户设备的上下文信 [05] 此外， 在 Hetnet场景下， 多层基站的布署使得用户设备在发起 RRC连 接重建立流程时选择到一个没有保存该用户设备的上下文信息的小区的概 率增加。 由于该小区所属的基站上没有用户设备的上下文信息， RRC连接重 建立流程无法成功， 因此， 在 Hetnet解决方案中， 用户设备发起的 RRC连 接重建立流程失败的概率增加。[04] When RRC re-establishment is triggered, the current common practice is that the user equipment UE performs a cell selection procedure to select an appropriate re-establishment target cell and initiate an RRC connection to the cell. Re-established. The user equipment often performs a cell selection procedure based on cell selection criteria, the cell selection criteria including re-establishing the target cell based on signal quality and/or load conditions. The selected re-establishment target cell may be a cell in which an RRC connection failure has occurred before, or may be another cell. The problem with this wireless connection recovery method is that when the user equipment initiates RRC connection re-establishment to the re-establishment target cell, only when the base station to which the target cell belongs (reestablishment base station) has (save) the context information of the user equipment The RRC connection re-establishment procedure may be successful. If the context information of the user equipment is not reconstructed on the base station, the RRC connection re-establishment procedure must fail, and the cell selection criterion usually does not consider whether the candidate base station has the context information of the user equipment. [05] In addition, in the Hetnet scenario, the deployment of the multi-layer base station increases the probability that the user equipment selects a cell that does not save the context information of the user equipment when initiating the RRC connection re-establishment procedure. The RRC connection re-establishment process cannot be successful because there is no context information of the user equipment on the base station to which the cell belongs. Therefore, in the Hetnet solution, the probability of the RRC connection re-establishment procedure initiated by the user equipment fails.
[06] 图 1示出了 RRC连接重建立¾½成功和失败的两种情形。用户设备 UE 向 重 建 立 目 标 基 站 发 送 RRC 连 接 重 建 立 请 求 RRCConnectionReestablishmentRequest , 如果重建立目标基站上保留有用 户设备的上下文信息并满足其他条件， 则重建立目标基站返回响应消息 RRCConnectionReestablishment , RRC 连接重建立流程成功， 用户设备向 重建立目标基站发送消息 RRCConnectionReestablishmentComplete。如果重 建立目标基站上未保留有用户设备的上下文信息或不满足其他条件， 则重建 立目标基站返回响应消息 RRCConnectionReestablishmentReject，RRC连接 重建立流程失败。[06] Figure 1 shows two scenarios of RRC connection re-establishment success and failure. The user equipment UE sends an RRC connection re-establishment request RRCConnectionReestablishmentRequest to the re-establishment target base station. If the re-establishment of the target base station retains the context information of the user equipment and satisfies other conditions, the target base station returns a response message RRCConnectionReestablishment, and the RRC connection re-establishment process succeeds. The user equipment sends a message RRCConnectionReestablishmentComplete to the re-establishment target base station. If the context information of the user equipment is not retained on the target base station or other conditions are not met, the reestablishment target base station returns a response message RRCConnectionReestablishmentReject, and the RRC connection re-establishment procedure fails.
[07] 即使在上述小区选择准则中考虑候选基站上是否保存有用户设备的上 下文信息， 如在源基站发送的切换命令消息中包含重建小区信息， 重建小区 信息中包括具有用户设备的上下文信息的基站的列表， 也仍然存在如下问 题： 各个基站在接收到用户设备的上下文信息后， 仅将其保留预定时间， 该 预定时间通常由网络管理与维护实体指定。 在预定时间之后， 各个基站会删 除用户设备的上下文信息。 此时， 即使用户设备根据重建小区信息判定某基 站上具有用户设备的上下文信息并向该基站发起 RRC连接重建立， 也会由 于该基站已经删除了存储于其中的用户设备的上下文信息而导致 RRC连接 重建立流程失败。 因此， 并没有起到增强 RRC连接重建立的作用。 发明内容[07] Even if the context information of the user equipment is saved in the candidate cell, the re-establishment cell information includes the context information of the user equipment, and the re-establishment cell information is included in the re-establishment cell information. The list of base stations still has the following problems: After receiving the context information of the user equipment, each base station only retains the predetermined time, which is usually specified by the network management and maintenance entity. After the predetermined time, each base station deletes the context information of the user equipment. At this time, even if the user equipment determines that the eNB has the context information of the user equipment and initiates the RRC connection re-establishment to the base station according to the reconstructed cell information, the RRC may be deleted because the base station has deleted the context information of the user equipment stored therein. The connection re-establishment process failed. Therefore, it does not play a role in enhancing RRC connection re-establishment. Summary of the invention
[08] 在下文中给出了关于本发明的简要概述， 以便提供关于本发明的某些方 面的基本理解。 应当理解， 这个概述并不是关于本发明的穷举性概述。 它并 不是意图确定本发明的关键或重要部分， 也不是意图限定本发明的范围。 其 目的仅仅是以简化的形式给出某些概念， 以此作为稍后论述的更详细描述的 前序。 A brief summary of the invention is set forth below to provide a basic understanding of certain aspects of the invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical aspects of the invention, and is not intended to limit the scope of the invention. Its purpose is to present some concepts in a simplified form as a pre-
[09] 本发明旨在至少解决现有技术中的上述技术问题， 有效地增强 RRC连 接重建立的成功率。 The present invention is directed to at least solving the above technical problems in the prior art, and effectively enhancing the success rate of RRC connection re-establishment.
[10] 为此， 根据本发明的一个方面， 提供了一种无线连接恢复方法， 用于用 户设备的无线资源控制 RRC连接重建立， 所述方法包括如下步骤： 用户设 备接收来自源基站的重建立小区信息和时间参数； 当用户设备触发 RRC连 接重建立流程时， 用户设备根据所述时间参数判断所述重建立小区信息是否 有效； 当所述重建立小区信息被判断为有效时， 用户设备根据重建立小区信 息和小区选择准则选择重建立目标小区； 当所述重建立小区信息被判断为无 效时， 用户设^ ^艮据小区选择准则选择重建立目标小区。 [10] To this end, according to an aspect of the present invention, a wireless connection recovery method is provided, which is used for radio resource control RRC connection re-establishment of a user equipment, the method comprising the following steps: The user equipment receives a heavy weight from a source base station Establishing the cell information and the time parameter; when the user equipment triggers the RRC connection re-establishment process, the user equipment determines, according to the time parameter, whether the re-established cell information is valid; when the re-established cell information is determined to be valid, the user equipment Selecting and re-establishing the target cell according to the re-establishment cell information and the cell selection criterion; when the re-established cell information is determined to be invalid, the user sets the re-establishment target cell according to the cell selection criterion.
[11] 根据本发明的一个具体实施例， 所述时间^ A第一门限参数， 所述判 断步骤包括： 用户设备判断计时器 timeConnFai lure记录的时间是否小于第 一门限参数； 当计时器记录的时间小于第一门限^：时， 判断为所述重建立 小区信息有效； 当计时器记录的时间等于或大于第一门限参数时， 判断为所 述重建立小区信息无效。 [11] According to an embodiment of the present invention, the time ^A first threshold parameter, the determining step includes: the user equipment determines whether the time recorded by the timer timeConnFai lure is less than the first threshold parameter; When the time is less than the first threshold ^:, it is determined that the re-establishment cell information is valid; when the time recorded by the timer is equal to or greater than the first threshold parameter, it is determined that the re-established cell information is invalid.
[12] 根据本发明的一个具体实施例， 所述时间参数是定时器， 所述判断步骤 包括： 用户设备检测定时器是否正在运行； 如果定时器正在运行， 则判断为 所述重建立小区信息有效； 如果定时器处于停止状态， 则判断为所述重建立 小区信息无效。 [12] According to an embodiment of the present invention, the time parameter is a timer, and the determining step includes: the user equipment detects whether the timer is running; if the timer is running, determining that the re-establishing cell information Valid; if the timer is in a stopped state, it is determined that the re-established cell information is invalid.
[13] 4艮据本发明的另一方面， 提供了一种无线连接恢复方法， 用于用户设备 的无线资源控制 RRC连接重建立， 所述方法包括如下步骤： 源基站向用户 设备发送重建立小区信息和时间参数； 用户设备接收来自源基站的重建立小 区信息和时间参数； 当用户设备触发 RRC连接重建立流程时， 用户设备根 据所述时间参数判断所述重建立小区信息是否有效； 当所述重建立小区信息 被判断为有效时， 用户设备根据重建立小区信息和小区选择准则选择重建立 目标小区； 当所述重建立小区信息被判断为无效时， 用户设^ I根据小区选 择准则选择重建立目标小区。 [14] 根据本发明的一个具体实施例， 其中所述时间参数是第一门限参数； 所 述判断步骤包括： 根据计时器 t imeConnFai lure记录的时间是否小于第一门 P艮参数， 判断所述重建立小区信息是否有效。[13] According to another aspect of the present invention, a wireless connection recovery method is provided, which is used for radio resource control RRC connection re-establishment of a user equipment, and the method includes the following steps: The source base station sends a re-establishment to the user equipment. a cell information and a time parameter; the user equipment receives the re-established cell information and the time parameter from the source base station; when the user equipment triggers the RRC connection re-establishment process, the user equipment determines, according to the time parameter, whether the re-established cell information is valid; When the re-established cell information is determined to be valid, the user equipment selects to re-establish the target cell according to the re-established cell information and the cell selection criterion; when the re-established cell information is determined to be invalid, the user sets the cell according to the cell selection criterion. Select to re-establish the target cell. [14] According to an embodiment of the present invention, wherein the time parameter is a first threshold parameter; the determining step comprises: determining, according to whether the time recorded by the timer t imeConnFai lure is less than a first threshold P 艮 parameter Whether to re-establish cell information is valid.
[15] 根据本发明的一个具体实施例， 其中所述时间参数是定时器； 所述判断 步骤包括： 根据定时器是否正在运行或处于停止状态， 判断所述重建立小区 信息是否有效。 According to a specific embodiment of the present invention, the time parameter is a timer; the determining step includes: determining whether the re-established cell information is valid according to whether the timer is running or in a stopped state.
[16] 根据本发明的另一方面， 提供了一种用户设备， 包括： 接收单元， 被配 置为接收来自源基站的重建立小区信息和时间参数； 判断单元， 被配置为当 用户设备触发 RRC连接重建立流程时根据所述时间参数判断所述重建立小 区信息是否有效； 重建立目标小区选择单元， 被配置为： 当所述重建立小区 信息被判断为有效时， 根据重建立小区信息和小区选择准则选择重建立目标 小区； 当所述重建立小区信息被判断为无效时， 仅根据小区选择准则选择重 建立目标小区。 According to another aspect of the present invention, a user equipment is provided, including: a receiving unit configured to receive re-established cell information and a time parameter from a source base station; and a determining unit configured to trigger an RRC when the user equipment triggers And determining, according to the time parameter, whether the re-established cell information is valid according to the time parameter; and re-establishing the target cell selecting unit, configured to: when the re-established cell information is determined to be valid, according to re-establishing cell information and The cell selection criterion selects to re-establish the target cell; when the re-established cell information is determined to be invalid, the target cell is re-established only according to the cell selection criterion.
[17] 根据本发明的一个具体实施例， 其中所述时间参 fci第一门限^：， 所 述判断单元被进一步配置为： 判断计时器 t imeConnFai lure记录的时间是否 小于第一门限参数； 当计时器记录的时间小于第一门限参数时， 判断为所述 重建立小区信息有效； 当计时器记录的时间等于或大于第一门限参数时， 判 断为所述重建立小区信息无效。 [17] According to an embodiment of the present invention, wherein the time parameter fci first threshold is: the determining unit is further configured to: determine whether the time recorded by the timer t imeConnFai lure is less than the first threshold parameter; When the time recorded by the timer is less than the first threshold parameter, it is determined that the re-established cell information is valid; when the time recorded by the timer is equal to or greater than the first threshold parameter, it is determined that the re-established cell information is invalid.
[18] 根据本发明的一个具体实施例， 其中， 所述时间参 fci定时器， 所述判 断单元被进一步配置为： 检测定时器是否正在运行； 如果定时器正在运行， 则判断为所述重建立小区信息有效； 如果定时器处于停止状态， 则判断为所 述重建立小区信息无效。 According to an embodiment of the present invention, wherein the time reference fci timer, the determining unit is further configured to: detect whether a timer is running; if the timer is running, determine that the weight is The establishment of the cell information is valid; if the timer is in a stopped state, it is determined that the re-established cell information is invalid.
[19] 才艮据本发明的另一方面， 提供了一种移动通信系统， 包括至少一个基站 和至少一个用户设备， 其中， 所述基站被配置为向用户设备发送重建立小区 信息和时间参数； 所述用户设备包括： 接收单元， 被配置为接收来自源基站 的重建立小区信息和时间参数； 判断单元， 被配置为当用户设备触发 RRC 连接重建立流程时根据所述时间参数判断所述重建立小区信息是否有效； 重 建立目标小区选择单元，被配置为： 当所述重建立小区信息被判断为有效时， 根据重建立小区信息和小区选择准则选择重建立目标小区； 当所述重建立小 区信息被判断为无效时， 仅根据小区选择准则选择重建立目标小区。 According to another aspect of the present invention, a mobile communication system is provided, comprising at least one base station and at least one user equipment, wherein the base station is configured to send re-establishment cell information and time parameters to a user equipment. The user equipment includes: a receiving unit configured to receive re-established cell information and a time parameter from the source base station; and a determining unit configured to determine, according to the time parameter, when the user equipment triggers an RRC connection re-establishment procedure Re-establishing the cell information is valid; re-establishing the target cell selecting unit, configured to: when the re-established cell information is determined to be valid, select to re-establish the target cell according to the re-established cell information and the cell selection criterion; When the established cell information is determined to be invalid, the target cell is re-established only according to the cell selection criterion.
[20] 才艮据本发明的另一方面， 提供了一种基站， 用于移动通信系统， 所述移 动通信系统中包括至少一个基站和至少一个用户设备，其中，所述基站包括: 接收单元， 被配置为从网络管理与维护实体接收第一信息， 所述第一信息表 明所述用户设备的上下文信息在切换过程中在相关基站上保留的时间； 时间 参数设置单元， 被配置为根据所述第一信息设置时间参数； 以及发送单元， 被配置为向用户设备发送重建立小区信息和时间 。According to another aspect of the present invention, a base station is provided for a mobile communication system, where the mobile communication system includes at least one base station and at least one user equipment, wherein the base station includes: The receiving unit is configured to receive the first information from the network management and maintenance entity, where the first information indicates a time when the context information of the user equipment is reserved on the relevant base station during the handover process; the time parameter setting unit is configured to Setting a time parameter according to the first information; and sending, configured to send re-establishment cell information and time to the user equipment.
[21] 根据本发明的方法和设备， 通过利用能够表征用户设备的上下文信息在 切换过程中在相关基站上保留的时间的定时器或门限参数， 不^ "候选基站 上是否保存有用户设备的上下文信息进行考量， 而且考虑用户设备的上下文 信息的时效性， 从而可以有效地增强 RRC连接重建立的成功率。[21] According to the method and apparatus of the present invention, by using a timer or threshold parameter that can characterize the time that the context information of the user equipment remains on the relevant base station during handover, whether or not the user equipment is stored on the candidate base station The context information is considered, and the timeliness of the context information of the user equipment is considered, so that the success rate of the RRC connection re-establishment can be effectively enhanced.
[22] 此外， 由于当使用门限参数时， 利用了用户设备上现有的计时器 timeConnFailure, 因此， 与使用专用的定时器的技术方案相比， 对系统的改 动较小， 实施效果更好。 [22] In addition, since the existing timer timeConnFailure on the user equipment is utilized when the threshold parameter is used, the modification to the system is smaller and the implementation effect is better than the technical scheme using the dedicated timer.
[23] 才艮据本发明的另一方面， 还提供了一种存储介质。 所述存储介质包括机 器可读的程序代码， 当在信息处理设备上执行所述程序代码时， 所述程序代 码使得所述信息处理设备执行根据本发明的上述方法。 According to another aspect of the present invention, a storage medium is also provided. The storage medium includes machine readable program code that, when executed on an information processing device, causes the information processing device to perform the above method in accordance with the present invention.
[24] 才艮据本发明的另一方面， 还提供了一种程序产品。 所述程序产品包括机 器可执行的指令， 当在信息处理设备上执行所述指令时， 所述指 吏得所述 信息处理设备执行根据本发明的上述方法。[24] According to another aspect of the present invention, a program product is also provided. The program product includes machine executable instructions that, when executed on an information processing device, cause the information processing device to perform the above method in accordance with the present invention.
[25] 通过以下结合附图对本发明的最佳实施例的详细说明， 本发明的这些以 及其他优点将更加明显。 These and other advantages of the present invention will become more apparent from the detailed description of the preferred embodiments of the invention.
附图说明DRAWINGS
[26] 参照下面结合附图对本发明实施例的说明， 会更加容易地理解本发明的 以上和其它目的、 特点和优点。 附图中的部件只是为了示出本发明的原理。 在附图中， 相同的或类似的技术特征或部件将采用相同或类似的附图标记来 表示。 The above and other objects, features and advantages of the present invention will become more <RTIgt; The components in the figures are merely illustrative of the principles of the invention. In the drawings, the same or similar technical features or components will be denoted by the same or similar reference numerals.
[27] 图 1是示出了 RRC连接重建立 成功和失败的两种情形的示意图。 [27] FIG. 1 is a diagram showing two situations in which RRC connection re-establishment succeeds and fails.
[28] 图 2是根据本发明第一实施例的无线连接恢复方法的示意性流程图。 2 is a schematic flowchart of a wireless connection recovery method according to a first embodiment of the present invention.
[29] 图 3示出了用户设备根据重建立小区信息和小区选择准则选择重建立目 标小区的流程图。 [29] FIG. 3 shows a flow chart of a user equipment selecting to re-establish a target cell according to re-established cell information and cell selection criteria.
[30] 图 4是根据本发明第二实施例的无线连接恢复方法的示意性流程图。 [31] 图 5示出了根据本发明第一实施例的移动通信系统的示意图。4 is a schematic flowchart of a wireless connection recovery method according to a second embodiment of the present invention. FIG. 5 shows a schematic diagram of a mobile communication system according to a first embodiment of the present invention.
[32] 图 6示出了根据本发明第一实施例的用户设备的示意图。Figure 6 shows a schematic diagram of a user equipment in accordance with a first embodiment of the present invention.
[33] 图 7示出了根据本发明第一实施例的基站的示意图。FIG. 7 shows a schematic diagram of a base station according to a first embodiment of the present invention.
[34] 图 8示出了根据本发明第二实施例的移动通信系统的示意图。8 shows a schematic diagram of a mobile communication system in accordance with a second embodiment of the present invention.
[35] 图 9示出了根据本发明第二实施例的用户设备的示意图。FIG. 9 shows a schematic diagram of a user equipment according to a second embodiment of the present invention.
[36] 图 10示出了根据本发明第二实施例的基站的示意图。FIG. 10 shows a schematic diagram of a base station according to a second embodiment of the present invention.
[37] 图 11示出了根据本发明的方法的总体流程图。Figure 11 shows a general flow chart of a method in accordance with the present invention.
[38] 图 12示出了可用于实施根据本发明实施例的方法和设备的计算机的示 意性框图。 Figure 12 shows a schematic block diagram of a computer that can be used to implement a method and apparatus in accordance with an embodiment of the present invention.
具体实施方式detailed description
[39] 下面参照附图来说明本发明的实施例。 在本发明的一个附图或一种实施 方式中描述的元素和特征可以与一个或更多个其它附图或实施方式中示出 的元素和特征相结合。 应当注意， 为了清楚的目的， 附图和说明中省略了与 本发明无关的、 本领域普通技术人员已知的部件和处理的表示和描述。 Embodiments of the present invention will be described below with reference to the drawings. The elements and features described in one of the figures or one embodiment of the invention may be combined with elements and features illustrated in one or more other figures or embodiments. It should be noted that, for the sake of clarity, representations and descriptions of components and processes known to those of ordinary skill in the art that are not relevant to the present invention are omitted from the drawings and the description.
[40] 图 2是根据本发明第一实施例的无线连接恢复方法的示意性流程图。 2 is a schematic flowchart of a wireless connection recovery method according to a first embodiment of the present invention.
[41] 在步骤 S201 中， 源基站向用户设备发送重建立小区信息和第一门限参 数。 [41] In step S201, the source base station sends the re-established cell information and the first threshold parameter to the user equipment.
[42] 首先， 源基站从网络管理与维护实体接收第一信息， 第一信息表明用户 设备的上下文信息在切换过程中在相关基站上保留的时间， 也就是源基站将 用户设备的上下文信息发送给包括源基站选定的切换重建立目标基站在内 的多个基站后， 从多个基站接收到用户设备的上下文信息并将其 在基站 开始、 到多个基站删除所保存的用户设备的上下文信息为止的时间。 该时间 通常由网络管理与维护实体指定。 [42] First, the source base station receives the first information from the network management and maintenance entity, where the first information indicates that the context information of the user equipment is reserved on the relevant base station during the handover process, that is, the source base station sends the context information of the user equipment. After the plurality of base stations including the target base station selected by the source base station are re-established, the context information of the user equipment is received from the plurality of base stations, and the context of the saved user equipment is deleted at the base station and the plurality of base stations are deleted. The time until the information. This time is usually specified by the network management and maintenance entity.
[43] 接下来， 源基站根据所述第一信息设置所述第一门限^：。[43] Next, the source base station sets the first threshold ^: according to the first information.
[44] 源基站可将由网络管理与维护实体指定的时间本身作为第一门 P L ¾:， 也可利用预定的算法根据该时间算出第一门限参数。 因此， 第一门限^ ^ 征用户设备的上下文信息在切换过程中在相关基站上保留的时间。 [44] The source base station may use the time specified by the network management and maintenance entity as the first gate P L 3⁄4:, or may use a predetermined algorithm to calculate the first threshold parameter according to the time. Therefore, the first threshold is the time that the context information of the user equipment is reserved on the relevant base station during the handover process.
[45] 接下来， 源基站将所述第一门限参数和所述重建立小区信息发送给所述 用户设备。 [46] 重建立小区信息表明哪个基站具有关于用户设备的上下文信息。 从后面 的描述将可以看出， 通过重建立小区信息， 用户设备可以获知用户设备的上 下文信息是否在候选重建立目标基站上保存， 通过第一门限参数， 用户设备 可以获知用户设备的上下文信息在候选重建立目标基站上保留的时间长短， 从而判断出重建立小区信息是否有效， 并进而结合重建立小区信息判断用户 设备的上下文信息当前是否在候选重建立目标基站上可用。[45] Next, the source base station sends the first threshold parameter and the re-established cell information to the user equipment. [46] Reestablishing cell information indicates which base station has context information about the user equipment. As will be seen from the following description, by re-establishing the cell information, the user equipment can know whether the context information of the user equipment is saved on the candidate re-establishment target base station. Through the first threshold parameter, the user equipment can know that the context information of the user equipment is The candidate re-establishes the length of time reserved on the target base station, thereby determining whether the re-establishment of the cell information is valid, and further determining whether the context information of the user equipment is currently available on the candidate re-establishment target base station in combination with the re-establishment of the cell information.
[47] 应注意， 第一门限参数和重建立小区信息并不必然是同时发送的， 更不 必然是通过同一消息发送的。 [47] It should be noted that the first threshold parameter and the re-establishment of cell information are not necessarily transmitted simultaneously, and are not necessarily transmitted by the same message.
[48] 重建立小区信息可以包括在来自源基站的切换命令消息中或来自源基 站的 RRC消息中。第一门限参数可以包括在来自源基站的切换命令消息中、 来自源基站的 RRC消息中、 或源基站广播的系统消息中。 Re-establishing cell information may be included in a handover command message from a source base station or in an RRC message from a source base station. The first threshold parameter may be included in a handover command message from the source base station, in an RRC message from the source base station, or in a system message broadcast by the source base station.
[49] 也就是说， 重建立小区信息和第一门限参数可以包括在源基站的切换命 令消息中， 与切换命令一同发送给用户设备， 以在切换失败或切换过后用户 设备发生无线链路失败时用于根据本发明的无线链路恢复流程。 重建立小区 信息和第一门限参数也可以包括在来自源基站的专用 RRC消息中。 第一门 P艮^:还可以通过系统消息由源基站广播。 源基站广播第一门 P艮^:的情形 通常是第一门限参数不仅限于一个特定的用户设备， 而是多个用户设备所共 有的参数。 因此， 对于此类信息， 不必通过用户设备特定的消息发送。 [49] That is, the re-establishment of the cell information and the first threshold parameter may be included in the handover command message of the source base station, and sent to the user equipment together with the handover command, so that the user equipment fails to generate a radio link after the handover fails or the handover succeeds. It is used in the radio link recovery procedure according to the present invention. The re-establishment of cell information and first threshold parameters may also be included in a dedicated RRC message from the source base station. The first gate P艮^: can also be broadcast by the source base station through system messages. The case where the source base station broadcasts the first gate P艮^: Usually, the first threshold parameter is not limited to one specific user equipment, but is a parameter common to a plurality of user equipments. Therefore, for such information, it is not necessary to send through a user equipment specific message.
[50] 在步骤 S202 中， 用户设备接收来自源基站的重建立小区信息和第一门 [50] In step S202, the user equipment receives the re-established cell information and the first gate from the source base station.
[51] 当用户设备触发 RRC连接重建立¾½时， 在步骤 S203中， 用户设备判 断计时器 timeConnFailure记录的时间是否小于第一门限参数， 从而判断所 述重建立小区信息是否有效。[51] When the user equipment triggers the RRC connection re-establishment, in step S203, the user equipment determines whether the time recorded by the timer timeConnFailure is less than the first threshold parameter, thereby determining whether the re-established cell information is valid.
[52] 计时器 timeConnFailure是用户设备上运行的计时器， 其记录从用户设 备收到最近的包含切换命令的 RRC连接重配置消息开始到发生无线链路失 败的时间。 在下文中， 能够看出， 与根据本发明的第二实施例相比， 本实施 例中， 利用了用户设备上现有的计时器 timeConnFailure, 只需要为其发送 第一门限参数， 因此， 从系统实现的角度来说， 对现有系统的改动更小。 [52] The timer timeConnFailure is a timer running on the user equipment that records the time from when the user equipment receives the most recent RRC connection reconfiguration message containing the handover command until the radio link fails. In the following, it can be seen that, compared with the second embodiment according to the present invention, in this embodiment, the existing timer timeConnFailure on the user equipment is utilized, and only the first threshold parameter needs to be sent for it, therefore, the slave system From an implementation perspective, changes to existing systems are smaller.
[53] 如上所述， 第一门限参数表征用户设备的上下文信息在切换过程中在相 关基站上保留的时间。 因此， 通过将计时器 timeConnFailure的值与第一门 P艮参数进行比较， 用户设备可以判断所述重建立小区信息是否有效， 并可进 而结合重建立小区信息判断用户设备的上下文信息当前是否在候选重建立 目标基站上可用。 因此， 在下述步骤 S204、 S205中分两种情况进行处理。[53] As described above, the first threshold parameter characterizes the time at which the context information of the user equipment is retained on the associated base station during the handover procedure. Therefore, by comparing the value of the timer timeConnFailure with the first threshold P艮 parameter, the user equipment can determine whether the re-established cell information is valid, and can further determine whether the context information of the user equipment is currently candidate in combination with re-establishing the cell information. Re-establish Available on the target base station. Therefore, the processing is performed in two cases in the following steps S204 and S205.
[54] 当计时器 timeConnFailure记录的时间小于第一门限参数时， 判断为所 述重建立小区信息有效， 用户设备根据重建立小区信息和小区选择准则选择 重建立目标小区 （步骤 S204 )。 [54] When the time recorded by the timer timeConnFailure is less than the first threshold parameter, it is determined that the re-established cell information is valid, and the user equipment selects to re-establish the target cell according to the re-established cell information and the cell selection criterion (step S204).
[55] 下面将参见图 3, 具体描述步骤 S204的细节。[55] The details of step S204 will be specifically described below with reference to FIG.
[56] 图 3示出了用户设备根据重建立小区信息和小区选择准则选择重建立目 标小区的流程图。 [56] FIG. 3 shows a flow chart of a user equipment selecting to re-establish a target cell according to re-established cell information and cell selection criteria.
[57] 首先， 在步骤 S301 中， 用户设备根据小区选择准则选择候选重建立目 标小区。 小区选择准则包括根据信号质量和 /或负载状况选择重建立目标小 区。 [57] First, in step S301, the user equipment selects a candidate re-establishment target cell according to the cell selection criterion. The cell selection criteria includes re-establishing the target cell based on signal quality and/or load conditions.
[58] 接下来， 在步骤 S302 中， 用户设备根据重建立小区信息判断候选重建 立目标小区所属的基站是否具有关于用户设备的上下文信息。 [58] Next, in step S302, the user equipment determines, according to the re-establishment cell information, whether the base station to which the candidate reestablishment target cell belongs has context information about the user equipment.
[59] 如上所述， 由于在候选重建立目标小区所属的基站不具有关于用户设备 的上下文信息的情况下无线连接恢复一定不会成功， 因此， 在此情况下， 用 户设备重复执行上述选择步驟 S301和判断步骤 S302, 直至判断为候选重建 立目标小区所属的基站具有关于所述用户设备的上下文信息。 [59] As described above, since the wireless connection recovery may not succeed in the case where the base station to which the candidate re-establishment target cell belongs does not have the context information about the user equipment, in this case, the user equipment repeatedly performs the above-described selection step. S301 and determining step S302, until it is determined that the base station to which the candidate re-establishment target cell belongs has context information about the user equipment.
[60] 应注意， 在步骤 S204 中， 根据重建立小区信息判断候选重建立目标小 区所属的基站是否具有关于用户设备的上下文信息， 并在判断结果为否的情 况下， 重复上述选择步骤 S301和判断步骤 S302, 以期获得根据小区选择准 则被选择且其所属基站具有关于所述用户设备的上下文信息的重建立目标 小区。 然而， 对于一些特殊情形， 本领域技术人员可设计相应的退出准则， 以在根据小区选择准则被选择的候选重建立目标小区所属的基站总是不具 有关于用户设备的上下文信息的情况下，适时退出步骤 S204, 并仅根据小区 选择准则选择重建立目标小区， 以进行 RRC连接重建立流程之后的处理。 上述特殊情形例如是用户设备移动4½速， 以致用户设备远离重建立小区信 息中包括的所有具有关于所述用户设备的上下文信息的相关基站。 在此特殊 情况下， 上述重复判断过程将陷入死循环， 又考虑到 RRC连接重建立流程 之后的处理需要用户设备选定一个重建立目标小区， 即使该重建立目标小区 上并不具有关于用户设备的上下文信息， 因此， 可设计退出上述重复判断过 程的适当的退出准则。 本领域技术人员应理解， 上述特殊情形及相应退出准 则的设计仅是基于根据本发明的方法在实际应用中的鲁棒性方面的考虑， 并 不是本发明的重点所在， 并且， 本领域技术人员根据本领域的专业技术知识 能够针对其所关注的情况设计出适当的退出准则， 因而， 不对其进行更深入 的细节描述。 在本文中， 假设经过少量重复判断后， 用户设备能够选择到根 据小区选择准则选择的且其所属基站具有关于所述用户设备的上下文信息 的重建立目标小区。[60] It should be noted that, in step S204, determining, according to the re-establishment cell information, whether the base station to which the candidate re-establishment target cell belongs has context information about the user equipment, and if the determination result is no, repeating the above selecting step S301 and Step S302 is determined to obtain a re-establishment target cell that is selected according to the cell selection criterion and that the base station to which it belongs has context information about the user equipment. However, for some special cases, a person skilled in the art may design a corresponding exit criterion to ensure that the base station to which the target cell belongs does not always have context information about the user equipment in the case where the candidate re-establishment target cell selected according to the cell selection criterion does not have time information. Step S204 is exited, and the target cell is re-established only according to the cell selection criterion to perform processing after the RRC connection re-establishment procedure. The special case described above is, for example, that the user equipment moves 41⁄2, so that the user equipment is away from all relevant base stations having context information about the user equipment included in the re-establishment cell information. In this special case, the above repeated judgment process will fall into an infinite loop, and the processing after the RRC connection re-establishment procedure requires the user equipment to select a re-establishment target cell, even if the re-establishment target cell does not have a user equipment. The context information, therefore, can be designed to exit the appropriate exit criteria for the above repeated decision process. It should be understood by those skilled in the art that the above special case and the design of the corresponding exit criteria are only based on the consideration of the robustness of the method according to the present invention in practical applications, and are not the focus of the present invention, and those skilled in the art According to the technical knowledge in the field Appropriate exit criteria can be designed for the situation in which they are concerned, and thus, no further details are described. Herein, it is assumed that after a small number of repeated judgments, the user equipment can select a re-establishment target cell selected according to the cell selection criterion and the base station to which it belongs has context information about the user equipment.
[61] 这样， 通过上述步骤 S301、 S302, 用户设备选定了根据小区选择准则最 优且其所属的基站具有用户设备的上下文信息的候选重建立目标小区。Thus, through the above steps S301, S302, the user equipment selects a candidate re-establishment target cell according to which the cell selection criterion is the best and the base station to which it belongs has the context information of the user equipment.
[62] 因此， 在步骤 S303 中， 用户设备将候选重建立目标小区选定为重建立 目标小区、 将候选重建立目标小区所属的基站选定为重建立目标基站。 Therefore, in step S303, the user equipment selects the candidate re-establishment target cell as the re-establishment target cell, and selects the base station to which the candidate re-establishment target cell belongs as the re-establishment target base station.
[63] 回到图 2， 继续描述根据本发明的第一实施例的无线连接恢复方法的流 程。 Returning to Fig. 2, the flow of the wireless connection recovery method according to the first embodiment of the present invention will be described.
[64] 当计时器记录的时间等于或大于第一门限参数时， 判断为所述重建立小 区信息无效， 用户设备仅根据小区选择准则选择重建立目标小区 （步骤 S205 )„ 此时， 由于切换过程中在相关基站上应该都不保留有用户设备的上 下文信息， 考虑用户设备的上下文信息并无意义。 此时， 源基站上仍保留有 用户设备的上下文信息， 因此， 尤其是对于因用户设备经过热点 （hot spot ) 而导致无线链接失败的情况， 步骤 S205 的选择结果往往是源基站。 此时， 无线连接恢复仍可能成功。 如果步骤 S205选择的重建立目标小区不从属于 源基站， 则无线连接恢复流程失败， 进行一般连接失败的恢复处理。 此外， 在选择了重建立目标小区后、 或在发送了 RRC连接重建立请求消息后、 在 RRC连接重建立流程成功或失败后，用户设备会删除重建立小区信息和第一 门限錄。 [64] When the time recorded by the timer is equal to or greater than the first threshold parameter, it is determined that the re-established cell information is invalid, and the user equipment only selects to re-establish the target cell according to the cell selection criterion (step S205). In the process, the context information of the user equipment should not be retained on the relevant base station. It is meaningless to consider the context information of the user equipment. At this time, the context information of the user equipment remains on the source base station, and therefore, especially for the user equipment. If the wireless link fails due to a hot spot, the result of the selection in step S205 is often the source base station. At this time, the wireless connection recovery may still succeed. If the re-established target cell selected in step S205 is not subordinate to the source base station, The wireless connection recovery process fails, and the general connection failure recovery process is performed. Further, after the re-establishment of the target cell, or after the RRC connection re-establishment request message is sent, after the RRC connection re-establishment process succeeds or fails, the user equipment Will delete the re-established cell information and the first threshold .
[65] 最后， 在步骤 S206 中， 用户设备向所选择的重建立目标小区所属的重 建立目标基站发送 RRC连接重建立请求消息。 Finally, in step S206, the user equipment sends an RRC Connection Re-establishment Request message to the re-establishment target base station to which the selected re-establishment target cell belongs.
[66] 在下文中， 将参考图 4描述根据本发明第二实施例的无线连接恢复方法 的流程。 [66] Hereinafter, a flow of a wireless connection restoration method according to a second embodiment of the present invention will be described with reference to FIG.
[67] 图 4是根据本发明第二实施例的无线连接恢复方法的示意性流程图。 4 is a schematic flowchart of a wireless connection recovery method according to a second embodiment of the present invention.
[68] 在步骤 S401中， 源基站向用户设备发送重建立小区信息和定时器。 [68] In step S401, the source base station sends re-establishment cell information and a timer to the user equipment.
[69] 首先， 源基站从网络管理与维护实体接收第一信息， 第一信息表明用户 设备的上下文信息在切换过程中在相关基站上保留的时间， 也就是源基站将 用户设备的上下文信息发送给包括源基站选定的切换重建立目标基站在内 的多个基站后， 从多个基站接收到用户设备的上下文信息并将其^ "在基站 开始、 到多个基站删除所保存的用户设备的上下文信息为止的时间。 该时间 通常由网络管理与维护实体指定。[69] First, the source base station receives the first information from the network management and maintenance entity, where the first information indicates that the context information of the user equipment is reserved on the relevant base station during the handover process, that is, the source base station sends the context information of the user equipment. After the plurality of base stations including the target base station selected by the source base station are re-established, the user equipment's context information is received from the plurality of base stations, and the user equipment is deleted at the base station and the plurality of base stations are deleted. Time until the context information. Usually specified by the network management and maintenance entity.
[70] 接下来， 源基站根据所述第一信息设置所述定时器。 [70] Next, the source base station sets the timer according to the first information.
[71] 源基站可将由网络管理与维护实体指定的时间本身作为定时器的值， 也 可利用预定的算法根据该时间算出定时器的值。 因此， 定时器表征用户设备 的上下文信息在切换过程中在相关基站上保留的时间。 [71] The source base station may use the time specified by the network management and maintenance entity as the value of the timer, or may calculate the value of the timer based on the time using a predetermined algorithm. Therefore, the timer characterizes the time that the context information of the user equipment is reserved on the relevant base station during the handover.
[72] 接下来， 源基站将所述定时器和所述重建立小区信息发送给所述用户设 备。 [72] Next, the source base station transmits the timer and the re-established cell information to the user equipment.
[73] 通过定时器， 用户设备可以获知用户设备的上下文信息在候选重建立目 标基站上保留的时间长短， 从而判断所述重建立小区信息是否有效， 并可进 而依据重建立小区信息判断用户设备的上下文信息当前是否在候选重建立 目标基站上可用。 [73] The user equipment can learn the length of time that the user equipment's context information is reserved on the candidate re-establishment target base station, so as to determine whether the re-established cell information is valid, and further determine the user equipment according to the re-established cell information. Whether the context information is currently available on the candidate re-establishment target base station.
[74] 与第一实施例中的情形类似， 定时器和重建立小区信息并不必然是同时 发送的， 更不必然是通过同一消息发送的。 重建立小区信息可以包括在来自 源基站的切换命令消息中或来自源基站的 RRC消息中。 定时器可以包括在 来自源基站的切换命令消息中、 来自源基站的 RRC 消息中、 或源基站广播 的系统消息中。 [74] Similar to the case in the first embodiment, the timer and re-establishment of cell information are not necessarily transmitted simultaneously, and are not necessarily transmitted by the same message. Reestablishing cell information may be included in a handover command message from a source base station or in an RRC message from a source base station. The timer may be included in a handover command message from the source base station, in an RRC message from the source base station, or in a system message broadcast by the source base station.
[75] 源基站广播定时器的情形通常是定时器的值不仅限于一个特定的用户 设备， 而是多个用户设备所共有的参数。 因此， 对于此类信息， 不必通过用 户设备特定的消息发送。 在下文中可以看出， 正因如此， 在定时器包括在来 自源基站的切换命令消息中、 或来自源基站的 RRC 消息中的情况下， 在定 时器超时或停止后， 用户设备删除所述定时器， 而在定时器包括在源基站广 播的系统消息中的情况下， 在定时器超时或停止后， 用户设备可以删除定时 器， 也可以不删除定时器， [75] The case of the source base station broadcast timer is usually that the value of the timer is not limited to one specific user equipment, but is a parameter common to multiple user equipments. Therefore, for such information, it is not necessary to send through a user device specific message. As can be seen hereinafter, in the case where the timer is included in the handover command message from the source base station or in the RRC message from the source base station, the user equipment deletes the timing after the timer expires or stops. In the case that the timer is included in the system message broadcast by the source base station, after the timer expires or stops, the user equipment may delete the timer, or may not delete the timer.
[76] 在步骤 S402中， 用户设备接收来自源基站的重建立小区信息和定时器。 [76] In step S402, the user equipment receives re-established cell information and a timer from the source base station.
[77] 当用户设备接收到来自源基站的切换命令时、 或当用户设备接收到来自 源基站的切换命令后触发随机接入流程时， 用户设备启动所述定时器。[77] When the user equipment receives the handover command from the source base station, or triggers the random access procedure after the user equipment receives the handover command from the source base station, the user equipment starts the timer.
[78] 在用户设备选定了重建立目标小区后、 或当用户设备向重建立目标基站 发送 RRC连接重建立请求消息时、或在 RRC连接重建立流程成功或失败后， 用户设备停止所述定时器。 [78] After the user equipment selects the re-establishment target cell, or when the user equipment sends an RRC connection re-establishment request message to the re-establishment target base station, or after the RRC connection re-establishment process succeeds or fails, the user equipment stops the Timer.
[79] 可见， 根据本发明的第二实施例中的定时器起到了根据本发明的第一实 施例中的计时器 timeConnFailure及第一门限^ t的作用， 其专用于判断重 建立小区信息有效， 并可进而结合重建立小区信息判断用户设备的上下文信 息当前是否在候选重建立目标基站上可用。[79] It can be seen that the timer in the second embodiment according to the present invention functions as a timer timeConnFailure and a first threshold according to the first embodiment of the present invention, which is dedicated to the determination of weight The establishment of the cell information is valid, and may further determine whether the context information of the user equipment is currently available on the candidate re-establishment target base station in combination with the re-establishment of the cell information.
[80] 当用户设备触发 RRC连接重建立¾½时， 在步骤 S403中， 用户设备检 测定时器是否正在运行， 从而判断所述重建立小区信息是否有效。 [80] When the user equipment triggers the RRC connection re-establishment, in step S403, the user equipment detects whether the timer is running, thereby determining whether the re-established cell information is valid.
[81] 因此， 在下述步骤 S404、 S405中分两种情况进行处理。Therefore, the processing is performed in two cases in the following steps S404 and S405.
[82] 如果定时器正在运行， 则用户设备判断所述重建立小区信息有效， 根据 重建立小区信息和小区选择准则选择重建立目标小区 （步骤 S404 )。 [82] If the timer is running, the user equipment determines that the re-established cell information is valid, and selects to re-establish the target cell according to the re-established cell information and the cell selection criterion (step S404).
[83] 步骤 S404 中用户设备根据重建立小区信息和小区选择准则选择重建立 目标小区的流程与步骤 S204中的流程一致， 可参见图 3进行理解。 [83] The process of the user equipment re-establishing the target cell according to the re-establishment cell information and the cell selection criterion in step S404 is consistent with the process in step S204, and can be understood by referring to FIG. 3.
[84] 相反， 如果定时器处于停止状态， 则用户设备判断为所述重建立小区信 息无效， 仅根据小区选择准则选择重建立目标小区 （步骤 S405 )。On the contrary, if the timer is in the stop state, the user equipment determines that the re-establishment cell information is invalid, and selects the re-establishment target cell only according to the cell selection criterion (step S405).
[85] 最后， 在步骤 S406 中， 用户设备向所选择的重建立目标小区所属的重 建立目标基站发送 RRC连接重建立请求消息。 Finally, in step S406, the user equipment sends an RRC Connection Re-establishment Request message to the re-establishment target base station to which the selected re-establishment target cell belongs.
[86] 在所述定时器超时或停止后， 用户设备删除所述重建立小区信息。 因为 此时除用户设备当前连接的基站之外的其他切换相关的基站上保存的用户 设备的上下文信息应已被删除。 [86] After the timer expires or stops, the user equipment deletes the re-established cell information. The context information of the user equipment saved on the handover related base station except the base station to which the user equipment is currently connected should have been deleted.
[87] 下面， 结合图 5-7来描述根据本发明第一实施例的各种装置。 [87] Next, various devices according to a first embodiment of the present invention will be described with reference to Figs. 5-7.
[88] 在下文中， 将参考图 5描述根据本发明第一实施例的移动通信系统。 参 照图 6描述根据本发明第一实施例的用户设备。 参照图 7描述根据本发明第 一实施例的基站。 [88] Hereinafter, a mobile communication system according to a first embodiment of the present invention will be described with reference to FIG. A user equipment according to a first embodiment of the present invention will be described with reference to FIG. A base station according to a first embodiment of the present invention will be described with reference to FIG.
[89] 图 5示出了根据本发明第一实施例的移动通信系统的示意图。 移动通信 系统 500包括至少一个基站和至少一个用户设备。 移动通信系统 500还包括 网络管理与维护实体 501。图 5中示意性地示出了用户设备 502以 ^站 503、 FIG. 5 shows a schematic diagram of a mobile communication system in accordance with a first embodiment of the present invention. The mobile communication system 500 includes at least one base station and at least one user equipment. The mobile communication system 500 also includes a network management and maintenance entity 501. User equipment 502 is schematically illustrated in FIG. 5 as station 503,
504。504.
[90] 图 6示出了根据本发明第一实施例的用户设备的示意图。 用户设备 600 包括： 接收单元 601， 被配置为接收来自源基站的重建立小区信息和时间参 数；判断单元 602，被配置为当用户设备触发 RRC连接重建立流程时根据所 述时间参数判断所述重建立小区信息是否有效； 以及重建立目标小区选择单 元 603, 被配置为： 当所述重建立小区信息被判断为有效时， 根据重建立小 区信息和小区选择准则选择重建立目标小区； 当所述重建立小区信息被判断 为无效时， 仅根据小区选择准则选择重建立目标小区。 [91] 在第一实施例中， 所述时间参数是第一门限参数， 所述判断单元 602被 进一步配置为： 判断计时器 timeConnFailure记录的时间是否小于第一门限 参数； 当计时器记录的时间小于第一门限参数时， 判断为所述重建立小区信 息有效； 当计时器记录的时间等于或大于第一门限参数时， 判断为所述重建 立小区信息无效。6 shows a schematic diagram of a user equipment according to a first embodiment of the present invention. The user equipment 600 includes: a receiving unit 601 configured to receive re-established cell information and a time parameter from a source base station; and a determining unit 602 configured to determine, according to the time parameter, when the user equipment triggers an RRC connection re-establishment procedure Re-establishing the cell information is valid; and re-establishing the target cell selecting unit 603, configured to: when the re-established cell information is determined to be valid, select to re-establish the target cell according to the re-established cell information and the cell selection criterion; When the re-establishment cell information is judged to be invalid, the target cell is re-established only according to the cell selection criterion. [91] In the first embodiment, the time parameter is a first threshold parameter, and the determining unit 602 is further configured to: determine whether a time recorded by the timer timeConnFailure is less than a first threshold parameter; When the first threshold parameter is smaller than the first threshold parameter, it is determined that the re-established cell information is valid. When the time recorded by the timer is equal to or greater than the first threshold parameter, it is determined that the re-established cell information is invalid.
[92] 用户设备 600还包括请求发送单元 604， 被配置为向所选择的重建立目 标小区所属的重建立目标基站发送 RRC连接重建立请求消息。 [92] The user equipment 600 further includes a request transmitting unit 604 configured to transmit an RRC Connection Re-establishment Request message to the re-establishment target base station to which the selected re-establishment target cell belongs.
[93] 用户设备 600还包括存储单元 605， 被配置为存储重建立小区信息和在 选择了重建立目标小区后、在发送了 RRC连接重建立请求消息后、或在 RRC 连接重建立流程成功或失败后删除所述重建立小区信息。 [93] The user equipment 600 further includes a storage unit 605 configured to store the re-established cell information and after selecting the re-establishment target cell, after transmitting the RRC connection re-establishment request message, or after the RRC connection re-establishment process succeeds or The re-established cell information is deleted after the failure.
[94] 所述重建立目标小区选择单元 603被进一步配置为： 当计时器记录的时 间小于第一门限参数时（即判断为所述重建立小区信息有效时）： 根据小区 选择准则选择候选重建立目标小区； 根据所述重建立小区信息判断候选重建 立目标小区所属的基站是否具有关于所述用户设备的上下文信息； 在候选重 建立目标小区所属的基站不具有关于所述用户设备的上下文信息的情况下， 重复执行上述选择操作和判断操作， 直至判断为候选重建立目标小区所属的 基站具有关于所述用户设备的上下文信息； 在候选重建立目标小区所属的基 站具有关于所述用户设备的上下文信息的情况下， 将候选重建立目标小区选 定为重建立目标小区、 将候选重建立目标小区所属的基站选定为重建立目标 基站。 [94] The re-establishment target cell selection unit 603 is further configured to: when the time recorded by the timer is less than the first threshold parameter (ie, it is determined that the re-established cell information is valid): selecting candidate weight according to the cell selection criterion Establishing a target cell; determining, according to the re-established cell information, whether the base station to which the candidate re-establishment target cell belongs has context information about the user equipment; and the base station to which the candidate re-establishment target cell belongs does not have context information about the user equipment In the case of the above, the selection operation and the determining operation are repeatedly performed until it is determined that the base station to which the candidate re-establishment target cell belongs has context information about the user equipment; and the base station to which the candidate re-establishment target cell belongs has information about the user equipment. In the case of context information, the candidate re-establishment target cell is selected as the re-establishment target cell, and the base station to which the candidate re-establishment target cell belongs is selected as the re-establishment target base station.
[95] 图 7示出了根据本发明第一实施例的基站的示意图。 基站 700包括： 接 收单元 701， 被配置为从网络管理与维护实体接收第一信息， 所述第一信息 表明所述用户设备的上下文信息在切换过程中在相关基站上保留的时间； 门 P艮参数设置单元 702 (时间参数设置单元），被配置为根据所述第一信息设置 所述第一门限参数（时间参数）； 以 送单元 703, 被配置为向用户设备发 送重建立小区信息和第一门限^： (时间^：)。 7 shows a schematic diagram of a base station according to a first embodiment of the present invention. The base station 700 includes: a receiving unit 701, configured to receive first information from a network management and maintenance entity, where the first information indicates a time that the context information of the user equipment is reserved on the relevant base station during the handover process; The parameter setting unit 702 (time parameter setting unit) is configured to set the first threshold parameter (time parameter) according to the first information; the sending unit 703 is configured to send the re-established cell information and the user equipment A threshold ^: (time ^:).
[96] 由于在根据本发明的上述装置中的处理与上面描述的无线连接恢复方 法的步骤中的处理类似，因此为了简洁起见，在此省略这些装置的详细描述。 Since the processing in the above-described apparatus according to the present invention is similar to the processing in the steps of the wireless connection recovery method described above, a detailed description of these means is omitted herein for the sake of brevity.
[97] 下面， 结合图 8-10来描述根据本发明第二实施例的各种装置。 [97] Next, various devices according to a second embodiment of the present invention will be described with reference to Figs. 8-10.
[98] 在下文中， 将参考图 8描述根据本发明第二实施例的移动通信系统。 参 照图 9描述根据本发明第二实施例的用户设备。 参照图 10描述根据本发明 第二实施例的基站。 [99] 图 8示出了根据本发明第二实施例的移动通信系统的示意图。 移动通信 系统 800包括至少一个基站和至少一个用户设备。 移动通信系统 800还包括 网络管理与维护实体 801。图 8中示意性地示出了用户设备 802以 ^站 803、[00] Hereinafter, a mobile communication system according to a second embodiment of the present invention will be described with reference to FIG. A user equipment according to a second embodiment of the present invention will be described with reference to FIG. A base station according to a second embodiment of the present invention will be described with reference to FIG. 8 shows a schematic diagram of a mobile communication system in accordance with a second embodiment of the present invention. The mobile communication system 800 includes at least one base station and at least one user equipment. The mobile communication system 800 also includes a network management and maintenance entity 801. User equipment 802 is schematically illustrated in FIG. 8 as a station 803,
804。804.
[100] 图 9示出了根据本发明第二实施例的用户设备的示意图。 用户设备 900 包括： 接收单元 901， 被配置为接收来自源基站的重建立小区信息和时间参 数；判断单元 902，被配置为当用户设备触发 RRC连接重建立流程时根据所 述时间参数判断所述重建立小区信息是否有效； 以及重建立目标小区选择单 元 903, 被配置为： 当所述重建立小区信息被判断为有效时， 根据重建立小 区信息和小区选择准则选择重建立目标小区； 当所述重建立小区信息被判断 为无效时， 仅根据小区选择准则选择重建立目标小区。FIG. 9 shows a schematic diagram of a user equipment according to a second embodiment of the present invention. The user equipment 900 includes: a receiving unit 901 configured to receive re-established cell information and a time parameter from a source base station; and a determining unit 902 configured to determine, according to the time parameter, when the user equipment triggers an RRC connection re-establishment procedure Re-establishing the cell information is valid; and re-establishing the target cell selecting unit 903, configured to: when the re-established cell information is determined to be valid, select to re-establish the target cell according to the re-established cell information and the cell selection criterion; When the re-establishment cell information is judged to be invalid, the target cell is re-established only according to the cell selection criterion.
[101] 在第二实施例中， 所述时间参数是定时器， 所述判断单元 902被进一步 配置为： 检测定时器是否正在运行； 如果定时器正在运行， 则判断为所述重 建立小区信息有效； 如果定时器处于停止状态， 则判断为所述重建立小区信 息无效。 [101] In the second embodiment, the time parameter is a timer, and the determining unit 902 is further configured to: detect whether a timer is running; if the timer is running, determine that the re-established cell information Valid; if the timer is in a stopped state, it is determined that the re-established cell information is invalid.
[102] 用户设备 900还包括请求发送单元 904， 被配置为向所选择的重建立目 标小区所属的重建立目标基站发送 RRC连接重建立请求消息。 [102] The user equipment 900 further includes a request transmitting unit 904 configured to transmit an RRC Connection Re-establishment Request message to the re-establishment target base station to which the selected re-establishment target cell belongs.
[103] 用户设备 900还包括定时器控制单元 905， 被配置为当用户设备接收到 来自源基站的切换命令时、 或当用户设备接收到来自源基站的切换命令后触 发随机接入流程时，启动所述定时器；在用户设备选定了重建立目标小区后、 当用户设备向重建立目标基站发送 RRC连接重建立请求消息时、或在 RRC 连接重建立流程成功或失败后， 停止所述定时器； 在所述定时器包括在来自 源基站的切换命令消息中、 或来自源基站的 RRC消息中的情况下， 在所述 定时器超时或停止后， 删除所述定时器。 [103] The user equipment 900 further includes a timer control unit 905 configured to trigger a random access procedure when the user equipment receives a handover command from the source base station, or when the user equipment receives a handover command from the source base station, The timer is started; after the user equipment selects the re-establishment target cell, when the user equipment sends an RRC connection re-establishment request message to the re-establishment target base station, or after the RRC connection re-establishment process succeeds or fails, the suspension is stopped. a timer; in the case where the timer is included in a handover command message from a source base station or in an RRC message from a source base station, the timer is deleted after the timer expires or stops.
[104] 用户设备 900还包括存储单元 906， 被配置为存储重建立小区信息和在 所述定时器超时或停止后， 删除所述重建立小区信息。[104] The user equipment 900 further includes a storage unit 906 configured to store re-established cell information and delete the re-established cell information after the timer expires or stops.
[105] 重建立目标小区选择单元 903被进一步配置为在定时器正在运行（即判 断为所述重建立小区信息有效）的情况下： 根据小区选择准则选择候选重建 立目标小区； 根据所述重建立小区信息判断候选重建立目标小区所属的基站 是否具有关于所述用户设备的上下文信息； 在候选重建立目标小区所属的基 站不具有关于所述用户设备的上下文信息的情况下， 重复执行上述选择操作 和判断操作， 直至判断为候选重建立目标小区所属的基站具有关于所述用户 设备的上下文信息； 在候选重建立目标小区所属的基站具有关于所述用户设 备的上下文信息的情况下， 将候选重建立目标小区选定为重建立目标小区、 将候选重建立目标小区所属的基站选定为重建立目标基站。[105] The re-establishment target cell selection unit 903 is further configured to: when the timer is running (ie, it is determined that the re-establishment cell information is valid): selecting a candidate re-establishment target cell according to the cell selection criterion; Establishing a cell information, determining whether the base station to which the target re-establishment target cell belongs has context information about the user equipment; and if the base station to which the candidate re-establishment target cell belongs does not have context information about the user equipment, repeatedly performing the foregoing selection Manipulating and judging operations until it is determined that the base station to which the candidate re-establishment target cell belongs has information about the user The context information of the device; in the case that the base station to which the candidate re-establishment target cell belongs has context information about the user equipment, the candidate re-establishment target cell is selected as the re-establishment target cell, and the base station to which the candidate re-establishment target cell belongs Selected to re-establish the target base station.
[106] 图 10示出了根据本发明第二实施例的基站的示意图。 基站 1000包括： 接收单元 1001 ,被配置为从网络管理与维护实体接收第一信息， 所述第一信 息表明所述用户设备的上下文信息在切换过程中在相关基站上保留的时间； 定时器设置单元 1002 (时间参数设置单元）， 被配置为根据所述第一信息设 置所述定时器（时间参数）； 以及发送单元 1003， 被配置为向用户设备发送 重建立小区信息和定时器（时间参数)。 FIG. 10 shows a schematic diagram of a base station according to a second embodiment of the present invention. The base station 1000 includes: a receiving unit 1001 configured to receive first information from a network management and maintenance entity, where the first information indicates a time that the context information of the user equipment is reserved on the relevant base station during the handover process; The unit 1002 (time parameter setting unit) is configured to set the timer (time parameter) according to the first information; and the sending unit 1003 is configured to send re-establishment cell information and a timer (time parameter) to the user equipment ).
[107] 由于在根据本发明的上述装置中的处理与上面描述的无线连接恢复方 法的步骤中的处理类似，因此为了简洁起见，在此省略这些装置的详细描述。Since the processing in the above-described apparatus according to the present invention is similar to the processing in the steps of the wireless connection recovery method described above, a detailed description of these means is omitted herein for the sake of brevity.
[108] 关于上述各个装置的操作细节， 可以参考以上相应方法的各个实施例， 这里不再详细描述。 For details of the operation of the above various devices, reference may be made to various embodiments of the above corresponding methods, and will not be described in detail herein.
[109] 另外， 上述装置中各个组成模块、 单元可以通过软件、 固件、 硬件或其 组合的方式进行配置。 配置可使用的具体手段或方式为本领域技术人员所熟 知， 在此不再赘述。 在通过软件或固件实现的情况下， 从存储介质或网络向 具有专用硬件结构的计算机安装构成该软件的程序， 该计算机在安装有各种 程序时， 能够执行各种功能等。 [109] In addition, each of the constituent modules and units in the above apparatus may be configured by software, firmware, hardware, or a combination thereof. The specific means or manner in which the configuration can be used is well known to those skilled in the art and will not be described herein. In the case of being implemented by software or firmware, a program constituting the software is installed from a storage medium or a network to a computer having a dedicated hardware structure, and the computer can execute various functions and the like when various programs are installed.
[110] 图 11示出了根据本发明的方法的总体流程图。 Figure 11 shows a general flow diagram of a method in accordance with the present invention.
[111] 在步骤 S1101 ,用户设备接收来自源基站的重建立小区信息和时间参数。[111] In step S1101, the user equipment receives re-established cell information and time parameters from the source base station.
[112] 当用户设备触发 RRC连接重建立流程时， 在步骤 S1102, 用户设备根 据所述时间参数判断所述重建立小区信息是否有效。 [112] When the user equipment triggers the RRC connection re-establishment procedure, the user equipment determines, according to the time parameter, whether the re-established cell information is valid, in step S1102.
[113] 当所述重建立小区信息被判断为有效时， 在步骤 S1103, 用户设备根据 重建立小区信息和小区选择准则选择重建立目标小区。 [113] When the re-established cell information is determined to be valid, in step S1103, the user equipment selects to re-establish the target cell according to the re-established cell information and the cell selection criterion.
[114] 当所述重建立小区信息被判断为无效时， 在步骤 S1104, 用户设备仅根 据小区选择准则选择重建立目标小区。[114] When the re-established cell information is judged to be invalid, in step S1104, the user equipment selects to re-establish the target cell based only on the cell selection criterion.
[115] 在第一实施例中， 所述时间参数是第一门限参数， 所述判断步骤包括： 用户设备判断计时器 timeConnFailure记录的时间是否小于第一门限参数； 当计时器记录的时间小于第一门限参数时， 判断为所述重建立小区信息有 效； 当计时器记录的时间等于或大于第一门限参数时， 判断为所述重建立小 区信息无效。 [116] 在第二实施例中， 所述时间参数是定时器， 所述判断步骤包括： 用户设 备检测定时器是否正在运行； 如果定时器正在运行， 则判断为所述重建立小 区信息有效；如果定时器处于停止状态，则判断为所述重建立小区信息无效。[115] In the first embodiment, the time parameter is a first threshold parameter, and the determining step includes: determining, by the user equipment, that the time recorded by the timer timeConnFailure is less than the first threshold parameter; When a threshold parameter is used, it is determined that the re-established cell information is valid; when the time recorded by the timer is equal to or greater than the first threshold parameter, it is determined that the re-established cell information is invalid. [116] In the second embodiment, the time parameter is a timer, and the determining step includes: the user equipment detects whether the timer is running; if the timer is running, determining that the re-established cell information is valid; If the timer is in a stopped state, it is determined that the re-established cell information is invalid.
[117] 最后， 在步骤 S1105, 用户设备向所选择的目标小区所属的目标基站发 送 RRC连接重建立请求消息。 Finally, in step S1105, the user equipment sends an RRC Connection Re-establishment Request message to the target base station to which the selected target cell belongs.
[118] 图 12示出可用于实施根据本发明实施例的方法和设备的计算机的示意 性框图。 Figure 12 shows a schematic block diagram of a computer that can be used to implement a method and apparatus in accordance with an embodiment of the present invention.
[119] 在图 12中， 中央处理单元 (CPU)1201根据只读存储器 (ROM)1202中存 储的程序或从存储部分 1208加载到随才 L^W "储器 (RAM)1203的程序执行 各种处理。 在 RAM 1203中， 还根据需要存储当 CPU 1201执行各种处理等 等时所需的数据。 CPU 1201、 ROM 1202和 RAM 1203经由总线 1204彼此 连接。 输入 /输出接口 1205也连接到总线 1204。 In FIG. 12, a central processing unit (CPU) 1201 executes each according to a program stored in a read only memory (ROM) 1202 or a program loaded from a storage portion 1208 to a RAM device (RAM) 1203. In the RAM 1203, data required when the CPU 1201 executes various processing or the like is also stored as needed. The CPU 1201, the ROM 1202, and the RAM 1203 are connected to each other via the bus 1204. The input/output interface 1205 is also connected to the bus. 1204.
[120] 下述部件连接到输入 /输出接口 1205: 输入部分 1206 (包括 ^：、 鼠标 等等）、输出部分 1207(包括显示器，比如阴极射线管 (CRT)、液晶显示器 (LCD) 等， 和扬声器等）、 存储部分 1208 (包括硬盘等）、 通信部分 1209 (包括网 络接口卡比如 LAN卡、 调制解调器等）。 通信部分 1209经由网络比如因特 网执行通信处理。 根据需要， 驱动器 1210也可连接到输入 /输出接口 1205。 可拆卸介质 1211 比如磁盘、 光盘、 磁光盘、 半导体存储器等等可以根据需 要被安装在驱动器 1210上， 使得从中读出的计算机程序根据需要被安装到 存储部分 1208中。 [120] The following components are connected to the input/output interface 1205: an input portion 1206 (including ^:, mouse, etc.), an output portion 1207 (including a display such as a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and A speaker, etc.), a storage portion 1208 (including a hard disk or the like), a communication portion 1209 (including a network interface card such as a LAN card, a modem, etc.). The communication section 1209 performs communication processing via a network such as the Internet. The driver 1210 can also be connected to the input/output interface 1205 as needed. The removable medium 1211 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory or the like can be mounted on the drive 1210 as needed, so that the computer program read therefrom is installed into the storage portion 1208 as needed.
[121] 在通过软件实现上述系列处理的情况下， 从网络比如因特网或存储介质 比如可拆卸介质 1211安装构成软件的程序。 In the case where the above-described series of processing is implemented by software, a program constituting the software is installed from a network such as the Internet or a storage medium such as the removable medium 1211.
[122] 本领域的技术人员应当理解， 这种存储介质不局限于图 12所示的其中 存储有程序、 与设备相分离地分发以向用户提供程序的可拆卸介质 1211。 可 拆卸介质 1211的例子包含磁盘 (包含软盘 (注册商标)：)、光盘 (包含光盘只读存 储器 (CD-ROM)和数字通用盘 (DVD))、磁光盘（包含迷你盘 (MD)(注册商标)） 和半导体存储器。或者，存储介质可以是 ROM 1202、存储部分 1208中包含 的硬盘等等， 其中存有程序， 并且与包含它们的设备一起被分发给用户。 It will be understood by those skilled in the art that such a storage medium is not limited to the removable medium 1211 shown in FIG. 12 in which a program is stored and distributed separately from the device to provide a program to the user. Examples of the detachable medium 1211 include a magnetic disk (including a floppy disk (registered trademark):), an optical disk (including a compact disk read only memory (CD-ROM) and a digital versatile disk (DVD)), and a magneto-optical disk (including a mini disk (MD) (registered) Trademark)) and semiconductor memory. Alternatively, the storage medium may be a ROM 1202, a hard disk included in the storage portion 1208, or the like, in which programs are stored, and distributed to the user together with the device containing them.
[123] 本发明还提出一种存储有机器可读取的指令代码的程序产品。 所述指令 代码由机器读取并执行时， 可执行上述根据本发明实施例的方法。 [123] The present invention also proposes a program product for storing an instruction code readable by a machine. When the instruction code is read and executed by a machine, the above-described method according to an embodiment of the present invention can be performed.
[124] 相应地， 用于承载上述存储有机器可读取的指令代码的程序产品的存储 介质也包括在本发明的公开中。 所述存储介质包括但不限于软盘、 光盘、 磁 光盘、 存储卡、 存储棒等等。Accordingly, a storage medium for carrying a program product storing the above-described storage machine readable instruction code is also included in the disclosure of the present invention. The storage medium includes, but is not limited to, a floppy disk, an optical disk, and a magnetic Discs, memory cards, memory sticks, and more.
[125] 在上面对本发明具体实施例的描述中，针对一种实施方式描述和 /或示出 的特征可以以相同或类似的方式在一个或更多个其它实施方式中使用， 与其 它实施方式中的特征相组合， 或替代其它实施方式中的特征。 [125] In the above description of specific embodiments of the present invention, features described and/or illustrated with respect to one embodiment may be used in the same or similar manner in one or more other embodiments, and other embodiments. Features in combination, or in place of features in other embodiments.
[126] 应该强调， 术语"包括 /包含"在本文使用时指特征、要素、 步骤或组件的 存在，但并不排除一个或更多个其它特征、要素、步骤或组件的存在或附加。[126] It should be emphasized that the term "comprising" or "comprising" is used to mean the presence of features, elements, steps or components, but does not exclude the presence or addition of one or more other features, elements, steps or components.
[127] 此外， 本发明的方法不限于按照说明书中描述的时间顺序来执行， 也可 以按照其他的时间顺序地、 并行地或独立地执行。 因此， 本说明书中描述的 方法的执行顺序不对本发明的技术范围构成限制。 Further, the method of the present invention is not limited to being performed in the chronological order described in the specification, and may be performed in other chronological order, in parallel, or independently. Therefore, the order of execution of the methods described in the specification does not limit the technical scope of the present invention.
[128] 尽管上面已经通过对本发明的具体实施例的描述对本发明进行了披露， 但是， 应该理解， 上述的所有实施例和示例均是示例性的， 而非限制性的。 本领域的技术人员可在所附权利要求的精神和范围内设计对本发明的各种 修改、 改进或者等同物。 这些修改、 改进或者等同物也应当被认为包括在本 发明的保护范围内。While the invention has been described in terms of the embodiments of the present invention, it should be understood that all the embodiments and examples described above are illustrative and not restrictive. Various modifications, improvements or equivalents of the invention may be devised by those skilled in the art. Such modifications, improvements or equivalents should also be considered to be included within the scope of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/070826WO2013113159A1 (en) | 2012-02-01 | 2012-02-01 | Method for recovering wireless connections, mobile communication system, user equipment and base station |
| CN201280043924.9ACN103797854B (en) | 2012-02-01 | 2012-02-01 | Wireless connection restoration methods, mobile communication system, user equipment and base station |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/070826WO2013113159A1 (en) | 2012-02-01 | 2012-02-01 | Method for recovering wireless connections, mobile communication system, user equipment and base station |
| Publication Number | Publication Date |
|---|---|
| WO2013113159A1true WO2013113159A1 (en) | 2013-08-08 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2012/070826CeasedWO2013113159A1 (en) | 2012-02-01 | 2012-02-01 | Method for recovering wireless connections, mobile communication system, user equipment and base station |
| Country | Link |
|---|---|
| CN (1) | CN103797854B (en) |
| WO (1) | WO2013113159A1 (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105794301A (en)* | 2014-01-30 | 2016-07-20 | 株式会社Ntt都科摩 | Mobile station, reconnection request method, base station, and reconnection request processing method |
| CN109314913A (en)* | 2018-09-21 | 2019-02-05 | 北京小米移动软件有限公司 | Access control restriction method and device |
| CN109328471A (en)* | 2018-09-21 | 2019-02-12 | 北京小米移动软件有限公司 | Access control restriction method and device |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200133017A (en)* | 2016-05-18 | 2020-11-25 | 텔레폰악티에볼라겟엘엠에릭슨(펍) | Methods of resuming a radio bearer and related wireless terminals and network nodes |
| CN108307452B (en)* | 2016-08-12 | 2020-10-23 | 展讯通信（上海）有限公司 | Connection recovery method and device, base station and user terminal |
| KR102436268B1 (en) | 2018-04-16 | 2022-08-26 | 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) | Processing of periodic radio access network (RAN) based notification area (RNA) timers |
| CN114245484B (en)* | 2020-09-09 | 2023-06-02 | 大唐移动通信设备有限公司 | Processing method and device for RRC connection recovery, electronic equipment and storage medium |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009027644A (en)* | 2007-07-23 | 2009-02-05 | Nippon Telegr & Teleph Corp <Ntt> | COMMUNICATION CONNECTION SWITCHING PROGRAM, COMMUNICATION DEVICE, AND COMMUNICATION CONNECTION SWITCHING METHOD |
| CN101483898A (en)* | 2008-01-07 | 2009-07-15 | 华为技术有限公司 | Method and apparatus for accelerating RRC connection establishment |
| CN101938796A (en)* | 2009-07-01 | 2011-01-05 | 大唐移动通信设备有限公司 | Cell switching method and equipment |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2028890B1 (en)* | 2007-08-12 | 2019-01-02 | LG Electronics Inc. | Handover method with link failure recovery, wireless device and base station for implementing such method |
| CN101489273A (en)* | 2008-01-18 | 2009-07-22 | 中兴通讯股份有限公司 | Recovery method and system for wireless link failure |
| CN101505514A (en)* | 2008-02-04 | 2009-08-12 | 华为技术有限公司 | Processing method for handover failure, method and apparatus for detecting handover success |
| CN101557619B (en)* | 2008-04-09 | 2011-06-22 | 华为技术有限公司 | Cell reselection method, terminal and system |
| CN101986751A (en)* | 2010-10-26 | 2011-03-16 | 新邮通信设备有限公司 | Method for radio resource control (RRC) connection re-establishment after switching failure and user equipment (UE) |
| CN102223713A (en)* | 2011-06-15 | 2011-10-19 | 电信科学技术研究院 | Method, system and equipment for notifying connection reestablishment of cell information and RRC (radio resource control) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009027644A (en)* | 2007-07-23 | 2009-02-05 | Nippon Telegr & Teleph Corp <Ntt> | COMMUNICATION CONNECTION SWITCHING PROGRAM, COMMUNICATION DEVICE, AND COMMUNICATION CONNECTION SWITCHING METHOD |
| CN101483898A (en)* | 2008-01-07 | 2009-07-15 | 华为技术有限公司 | Method and apparatus for accelerating RRC connection establishment |
| CN101938796A (en)* | 2009-07-01 | 2011-01-05 | 大唐移动通信设备有限公司 | Cell switching method and equipment |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105794301A (en)* | 2014-01-30 | 2016-07-20 | 株式会社Ntt都科摩 | Mobile station, reconnection request method, base station, and reconnection request processing method |
| US11184818B2 (en) | 2014-01-30 | 2021-11-23 | Ntt Docomo, Inc. | Mobile station, reconnection request method, base station, and reconnection request processing method |
| CN109314913A (en)* | 2018-09-21 | 2019-02-05 | 北京小米移动软件有限公司 | Access control restriction method and device |
| CN109328471A (en)* | 2018-09-21 | 2019-02-12 | 北京小米移动软件有限公司 | Access control restriction method and device |
| WO2020056741A1 (en)* | 2018-09-21 | 2020-03-26 | 北京小米移动软件有限公司 | Method and device for barring access control |
| WO2020056740A1 (en)* | 2018-09-21 | 2020-03-26 | 北京小米移动软件有限公司 | Access control barring method and apparatus |
| CN109314913B (en)* | 2018-09-21 | 2022-04-08 | 北京小米移动软件有限公司 | Access control restriction method and device |
| CN109328471B (en)* | 2018-09-21 | 2022-04-08 | 北京小米移动软件有限公司 | Access control limiting method and device |
| US11671900B2 (en) | 2018-09-21 | 2023-06-06 | Beijing Xiaomi Mobile Software Co., Ltd. | Access control barring method and apparatus |
| US11963086B2 (en) | 2018-09-21 | 2024-04-16 | Beijing Xiaomi Mobile Software Co., Ltd. | Method and apparatus for access control barring |
| Publication number | Publication date |
|---|---|
| CN103797854B (en) | 2017-04-05 |
| CN103797854A (en) | 2014-05-14 |
| Publication | Publication Date | Title |
|---|---|---|
| CN113453273B (en) | Radio link failure reporting method and user equipment | |
| TWI450545B (en) | Method of reporting and handling failure event with correlation information and user equipment | |
| CN112291819B (en) | Radio link failure recovery method and user equipment | |
| WO2020030162A1 (en) | Sidelink beam management method, device and apparatus, and readable storage medium | |
| WO2018059299A1 (en) | Method, device and system for cell handover, and computer storage medium | |
| WO2021115370A1 (en) | Radio link failure recovery method and user equipment | |
| WO2010105567A1 (en) | Handoff optimization method, equipment and system | |
| CN103718604A (en) | Method, apparatus and computer program product for providing optimized handover preparation and execution operations | |
| WO2013113159A1 (en) | Method for recovering wireless connections, mobile communication system, user equipment and base station | |
| TWI755581B (en) | Sul failure handling | |
| WO2014187389A1 (en) | Cell handover method and apparatus | |
| WO2018171744A1 (en) | Radio link monitoring method and user equipment | |
| TW202123767A (en) | Systems and methods for managing radio bearer compatibility in a communication network | |
| WO2014154132A1 (en) | Network optimization method, device and system for radio link failure | |
| WO2023179677A1 (en) | Radio link failure information reporting method, and user equipment | |
| WO2020192730A1 (en) | User equipment, and method executed thereby for sending using preconfigured uplink resource | |
| CN110149731A (en) | Instruction information sends and receives method and apparatus | |
| WO2022257974A1 (en) | Handover information reporting method, user equipment and communication system | |
| WO2014166457A2 (en) | Method, system, and device for re-establishing radio resource control connection | |
| US9532388B2 (en) | Activating and deactivating transmission time interval bundling | |
| CN111954183A (en) | Method and device for managing link | |
| CN116419308A (en) | Connection establishment failure reporting method and user equipment | |
| CN102265669B (en) | Cell radio link failure processing method and user equipment | |
| JP2012500557A (en) | Reestablishing the interface between MME and Node B using backoff time | |
| WO2023040955A1 (en) | Handover information reporting method and user equipment |
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | Ref document number:12867002 Country of ref document:EP Kind code of ref document:A1 | |
| NENP | Non-entry into the national phase | Ref country code:DE | |
| 122 | Ep: pct application non-entry in european phase | Ref document number:12867002 Country of ref document:EP Kind code of ref document:A1 |