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    • 9. 发明申请
    • METHODS AND SYSTEMS FOR SELECTING A HANDOVER BASE STATION IN MOBILE WIMAX
    • 在移动WIMAX中选择切换基站的方法和系统
    • WO2010093968A1
    • 2010-08-19
    • PCT/US2010/024155
    • 2010-02-12
    • QUALCOMM INCORPORATEDSHI, Guangming, CarlCHIN, TomLEE, Kuo-ChunZHANG, Wei
    • SHI, Guangming, CarlCHIN, TomLEE, Kuo-ChunZHANG, Wei
    • H04W36/08H04W36/32
    • H04W36/32
    • Methods and apparatus for improving performance and robustness of a handover procedure. For example, by handing over to a target base station (BS) that is co-located with a serving BS (i.e., a BS located in the same physical node as the serving BS), mobile station (MS) context transfers, handover preparation and downlink (DL) data continuity between the serving BS and the target BS may be simplified because the serving BS and the target BS are in the same physical node. Further, a location-based services advertisement (LBS-ADV) message may be enhanced to include sector center directions of the serving BS and neighboring BSs. Using this information, an MS may determine neighboring BSs that are adjacent to the serving BS and limit scanning operations and handovers to these adjacent BSs, thereby reducing the processing for those operations.
    • 用于提高切换过程的性能和鲁棒性的方法和装置。 例如,通过切换到与服务BS(即,与服务BS相同的物理节点中的BS)位于的目标基站(BS),移动站(MS)上下文传送,切换准备 并且可以简化服务BS和目标BS之间的下行链路(DL)数据连续性,因为服务BS和目标BS在相同的物理节点中。 此外,可以增强基于位置的服务广告(LBS-ADV)消息以包括服务BS和相邻BS的扇区中心方向。 使用该信息,MS可以确定与服务BS相邻的相邻BS并限制对这些相邻BS的扫描操作和切换,从而减少对那些操作的处理。