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Performance Analysis of BPM UWB Multiple Access System Using PN Code Based Time Hopping Sequence in Indoor Wireless Channels  

양석철 (숭실대학교 정보통신전자공학부)
신요안 (숭실대학교 정보통신전자공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.29, no.2C, 2004 , pp. 187-198 More about this Journal
Abstract
In this paper, we analyze the performance of BPM (Bi-Phase Modulation) UWB (Ultra Wide Band) multiple access system using PN (Pseudo Noise) code based time hopping sequence in indoor wireless channels. In particular, we compare BPM UWB multiple access system with PPM (Pulse Position Modulation) UWB multiple access system in terms of signalling and demodulation schemes. Moreover, we analytically evaluate the performance of these UWB systems by deriving the bit error rate expressions under the assumption that pulse energy and data transmission rate are identical for both systems. Simulation results in additive white Gaussian noise and realistic indoor multipath wireless channels show that the performance of BPM scheme is approximately 1 dB better than that of PPM scheme. However, the performance discrepancy becomes negligible as the number of users increases.
Keywords
UWB; PPM; BPM;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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