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    • 94. 发明申请
    • OFFSETTING BEACON POSITIONS IN A TIME DIVISION DUPLEX COMMUNICATION SYSTEM
    • 在时间分支双向通信系统中的偏移位置
    • WO2008036687A1
    • 2008-03-27
    • PCT/US2007/078799
    • 2007-09-18
    • QUALCOMM INCORPORATEDLI, JunyiDAS, ArnabLORIA, Rajiv
    • LI, JunyiDAS, ArnabLORIA, Rajiv
    • H04L27/26H04B7/26
    • H04L5/0048H04L5/0007H04L5/1469H04L27/2656H04W72/04
    • Systems and methodologies are described that facilitate generating and/or analyzing downlink transmission units in OFDM TDD environments. Beacon signals may be selectively inserted within downlink transmission units; for example, the position of Beacon signals may vary from cell to cell. Further, the position may be a function of a characteristic of a cell (e.g., cell identifier) and/or an expected drift. Moreover, a Beacon signal may be interjected at a location in a downlink transmission unit so as to mitigate alignment with disparate Beacon signals in downlink transmission units associated with differing cells. Additionally, an identity of a cell providing downlink transmission units may be determined by analyzing a position of the Beacon signal within the downlink transmission units.
    • 描述了有助于在OFDM TDD环境中生成和/或分析下行链路传输单元的系统和方法。 信标信号可以选择性地插入在下行链路传输单元内; 例如,信标信号的位置可以随单元而变化。 此外,该位置可以是小区的特性(例如,小区标识符)和/或预期漂移的函数。 此外,信标信号可以被插入在下行链路传输单元中的位置处,以便在与不同小区相关联的下行链路传输单元中减轻与不同信标信号的对准。 此外,可以通过分析下行链路传输单元内的信标信号的位置来确定提供下行链路传输单元的小区的身份。