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Study of Short Messag e Service(SMS)of GPS Vehicle Tracking System

Zhao Wenhao et al  
This paper studies the technolog y of communication in GPS vehicle tracking syst em,and presents a method using Wavecom WMOD2B Modem to realize transfer of n avig ation data.It introduces the character-istics and usag e of the hardw are,whilst analyzes how to prog ram to fulfill the transmission function of the system.This method has favorable efficiency,excellent reliability,and g ood efficiency charg e ratio.The ex-perimentation has validated that the d esig n perfectly meets the request of transfer of navig ation data.
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