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介绍了蜂窝移动电话的定位方案和TDOA定位原理,分析了用于基站同步的GPS时间同步方法,提出了采用GPS共视法时间同步的方法,可提高蜂窝移动电话定位系统的定位精度。
This paper introduces the positioning scheme and TDOA positioning principle of cellular mobile phone, analyzes the GPS time synchronization method for base station synchronization, and proposes the method of time synchronization using GPS common view method, which can improve the positioning accuracy of cellular mobile phone positioning system.