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    • 7. 发明申请
    • SYSTEM AND METHOD FOR ACQUIRING BASE STATION SYNCHRONIZATION IN A COMMUNICATION SYSTEM
    • 用于在通信系统中获取基站同步的系统和方法
    • US20090005093A1
    • 2009-01-01
    • US12127980
    • 2008-05-28
    • Byoung-Ha YiKi-Young HanIn-Seok Hwang
    • Byoung-Ha YiKi-Young HanIn-Seok Hwang
    • H04B7/00
    • H04B7/2693H04W56/001
    • A system and method for acquiring BS synchronization in a communication system are provided. In the system and method, a first BS acquires synchronization and transmits a frame to at least a second of the one or more neighbor BSs according to the synchronization, a second BS being the at least one neighbor BS estimates its first uplink frame synchronization time using a first arrival time of a downlink frame in the frame and transmits a first message at the first uplink frame synchronization time to the first BS, the first BS calculates a synchronization time difference by comparing a second arrival time of the first message with its uplink frame synchronization time and transmits a second message including the synchronization time difference to the second BS, and the second BS estimates a synchronization time using the synchronization time difference, acquires synchronization to the first BS, and transmits a frame generated with the same timing as the first BS.
    • 提供了一种用于在通信系统中获取BS同步的系统和方法。 在该系统和方法中,第一BS获取同步并且根据该同步向至少一个或多个相邻BS发送一帧,作为至少一个相邻BS的第二BS使用 帧中的下行链路帧的第一到达时间,并且将第一上行链路帧同步时间的第一消息发送到第一BS,第一BS通过将第一消息的第二到达时间与其上行链路帧进行比较来计算同步时间差 同步时间,并且向第二BS发送包括同步时间差的第二消息,并且第二BS使用同步时间差估计同步时间,获取与第一BS的同步,并且发送与第一BS相同的定时生成的帧 BS。