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《ACTA ELECTRONICA SINICA》 1999-04
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Symbol Timing Rapid Acquisition and Tracking for π/4 DQPSK Signals

Zhao Hangsheng,Gan Zhongmin,Qu Dexin (Nanjing Institute of Communications Engineering,Nanjing 210016)  
This paper presents a new algorithm of symbol timing rapid acquisition for π/4 DQPSK with Doppler frequency offset in low rate digital mobile burst signal.This algorithm can be done in parallel with signal acquisition and frequency offset acquisition.It has advantages over serial systems.That detect signal energy,then estimate Doppler frequency offset,and finely acquire symbol timing.A very simple symbol timing tracking algorithm is also presented in the paper.Finally,the results of computer simulations are given.
【CateGory Index】: TN927.2
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