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    • 8. 发明申请
    • PREFERRED SYSTEM SELECTION ENHANCEMENTS FOR MULTI-MODE WIRELESS SYSTEMS
    • 多模式无线系统的优选系统选择增强
    • WO2010008651A1
    • 2010-01-21
    • PCT/US2009/042380
    • 2009-04-30
    • QUALCOMM INCORPORATEDYOON, Young, C.BALASUBRAMANIAN, SrinivasanSWAMINATHAN, Arvind
    • YOON, Young, C.BALASUBRAMANIAN, SrinivasanSWAMINATHAN, Arvind
    • H04W48/18
    • H04W48/16H04W8/18H04W48/18H04W88/06
    • Systems and methodologies are described that facilitate improved multi-mode system selection in a wireless communication system. As described herein, various techniques can be utilized to synthesize system databases corresponding to disparate groups of radio access technologies (RATs), such as a Public Land Mobile Network (PLMN) list and/or a Preferred Roaming List (PRL), with one or more overlay databases and associated location information to generate a multi-mode list of preferred systems. As described herein, a preferred system listing can be constructed to leverage fine granularity of information in one or more databases while still supporting databases with coarser information. Techniques are additionally described herein for augmenting and/or grouping one or more overlay databases to facilitate a higher available granularity of information for various RATs than that provided in system databases corresponding to the RATs. Techniques are additionally provided for automated generation of preferred system listing based on changes to observed location.
    • 描述了有助于在无线通信系统中改进的多模式系统选择的系统和方法。 如本文所描述的,可以使用各种技术来合成对应于诸如公共陆地移动网络(PLMN)列表和/或优选漫游列表(PRL)的无线电接入技术(RAT)的不同组的系统数据库,其中一个或 更多的覆盖数据库和相关联的位置信息,以生成优选系统的多模式列表。 如本文所述,可以构建优选的系统列表,以利用一个或多个数据库中的细粒度的信息,同时仍然支持具有较粗信息的数据库。 本文另外描述了用于增强和/或分组一个或多个覆盖数据库的技术,以促进针对各种RAT的信息的更高的可用粒度,而不是与对应于RAT的系统数据库中提供的信息的更高的可用粒度。 另外还提​​供了用于基于对观察位置的变化来自动生成优选系统列表的技术。