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Interference Analysis of Indoor Single UWB Equipment to GSM System

CHEN Ming-yan,ZHAO Cheng-lin,ZHOU Zheng(Wireless Network Lab,Beijing University of Posts and Telecommunications,Beijing 100876,China)  
According to the spectrum templet of FCC,we analyze the electromagnetic interference(EMI)between indoor single UWB equipment and GSM system(GSM900 and DCS1800).We simulate the GSM MS SINR to the change of distance between UWB equipment and GSM MS.The interference to GSM900 MS is within acceptable range of the SINR redundancy,but the interference to DCS1800 MS is higher than to GSM900.When the distance decreased to 25 cm,the SINR would be less than 9 dB,the communication quality descends severely and then the link would be interrupted.
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