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The Calculation of the Exact BER of UWB-TH BPSK Communication systems with the Multiple User Interference  

Park, Jang-Woo (순천대학교 정보통신공학부)
Choi, Yong-Seok (전자통신연구원 디지털방송연구단)
Cho, Kyung-Ryong (순천대학교 정보통신공학부)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.9, no.5, 2005 , pp. 951-957 More about this Journal
Abstract
The bit error probability of UWB Time-Hopping(TH) multiple access communication systems combined with BPSK is calculated with a high accuracy including the multiple user interference(MUI). This paper finds that with some manipulations, the TH-BPSK UWB signal can be modified to the similar form of the DS-CDMA signal. The MUI in the system is explained by the characteristic function technique. Above two descriptions have been bases on the derivation of the exact BER expression of the system. We also propose the approximate expression for the BER, which has enough accuracy compared with the expression from the Gaussian approximation of the MUI. The comparison of the results from the proposed expressions with the simulation results gives the confirmation for the validity and accuracy of the proposed expressions.
Keywords
Ultra-Wide Bandwidth; Time hopping; BPSK; Multiple user interference; BER;
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