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    Handover control
    1.
    发明公开
    Handover control 审中-公开
    Weiterreichungssteuerung

    公开(公告)号：EP2244503A1

    公开(公告)日：2010-10-27

    申请号：EP09360022.9

    申请日：2009-04-23

    申请人： Alcatel Lucent

    发明人： Bradley, Nigel L ,  Brend, Graham ,  Putman, Anthony Edward ,  Sapiano, Philip Charles ,  Cassuto, Philippe S ,  Skeates, Mark

    IPC分类号： H04W36/08 ,  H04W84/04

    CPC分类号： H04W36/08 ,  H04W84/045

    摘要： Methods for facilitating handover of user equipment between a macro base station and a femto base station of a wireless communications network, a macro base station, a femto gateway and computer program products are disclosed. The method of encoding information in a handover control message to facilitate handover of user equipment between a macro base station and a femto base station of a wireless communications network comprises the steps of: predefining handover identifier values to be utilised by said macro base station when generating said handover control message, each handover identifier value encoding an identifying characteristic of a femto base station within a macro cell supported by said macro base station and encoding an identifying characteristic of said macro base station; in response to a measurement report message received at said macro base station indicating a measured identifying characteristic of a target femto base station identified by said user equipment as a handover candidate, identifying a corresponding handover identifier value encoding said measured identifying characteristic of said target femto base station; and utilising said corresponding handover identifier value within a target cell identifier information element of said handover control message. By encoding the identifier value within the target cell identifier information element, existing handover control messages may be used without needing to make any protocol adjustments. The information may be readily encoded within this existing information element, and because the handover identifier value is encoded within this information element it can be ensured that this information is fully communicated throughout the network since the onward transmission of this information element is specified as mandatory. Accordingly, it can be seen that the information needed to be communicated to enable more efficient handover to occur can readily be provided within existing messages and the information provided within that message will be received by the equipment which needs to initiate handover.

    摘要翻译： 公开了用于在无线通信网络的宏基站和毫微微基站之间切换用户设备的方法，宏基站，毫微微网关和计算机程序产品。 在切换控制消息中编码信息以便于无线通信网络的宏基站和毫微微基站之间的用户设备的切换的方法包括以下步骤：预定义所述宏基站在生成时要利用的切换标识符值 所述切换控制消息，每个切换标识符值对由所述宏基站支持的宏小区内的毫微微基站的识别特征进行编码，并对所述宏基站的识别特征进行编码; 响应于在所述宏基站处接收到的测量报告消息，指示由所述用户设备识别的目标毫微微基站的测量识别特性作为切换候选，识别编码所述目标毫微微基站的所述测量的识别特性的相应切换标识符值 站; 以及在所述切换控制消息的目标小区标识符信息元素内利用所述对应的切换标识符值。 通过对目标小区标识符信息元素内的标识符值进行编码，可以使用现有的切换控制消息，而不需要进行任何协议调整。 该信息可以容易地在该现有信息元素内编码，并且由于切换标识符值被编码在该信息元素内，所以可以确保该信息在整个网络中被完全传送，因为该信息元素的向前传输被指定为强制性的。 因此，可以看出，可以在现有的消息内容易地提供需要传送的信息以使更高效的切换发生，并且该消息内提供的信息将被需要启动切换的设备接收。

    Handover control
    3.
    发明公开
    Handover control 有权
    切换控制

    公开(公告)号：EP2262316A1

    公开(公告)日：2010-12-15

    申请号：EP09360032.8

    申请日：2009-06-08

    申请人： Alcatel Lucent

    发明人： Sapiano, Philip Charles ,  Brend, Graham ,  Bradley, Nigel L. ,  Putman, Anthony Edward

    IPC分类号： H04W36/08

    CPC分类号： H04W36/08 ,  H04W48/20

    摘要： A method of identifying femto base station handover targets for user equipment in a wireless communications network, a computer program product and a femto base station gateway are disclosed. The method comprises the steps of: storing location history information identifying femto base stations previously visited by user equipment; receiving an indicator from user equipment identifying a detected femto base station as a handover target; and correlating said indicator against said location history information for that user equipment to identify those femto base stations hdving that indicator which have previously been visited by that user equipment as handover candidates. By using information identifying previously visited base stations, the number of potential handover targets can be dramatically reduced which in turn reduces the likelihood of an unsuccessful handover occurring and reduces the number of femto base stations which need to be unnecessarily prepared.

    摘要翻译： 公开了一种识别无线通信网络中的用户设备的毫微微基站切换目标，计算机程序产品和毫微微基站网关的方法。 该方法包括以下步骤：存储识别由用户设备先前访问的毫微微基站的位置历史信息; 从用户设备接收标识检测到的毫微微基站作为切换目标的指示符; 以及将所述指示符与所述用户设备的所述位置历史信息相关联，以将那些先前已被该用户设备访问过的指示符的毫微微基站标识为切换候选者。 通过使用识别先前访问过的基站的信息，潜在切换目标的数量可以显着减少，这又降低了发生切换失败的可能性，并且减少了需要不必要地准备的毫微微基站的数量。