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Performance evaluation of next generation WiMedia UWB system

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3 Author(s)
Jee-Hoon Kim ; uT Communication Research Institute, Sejong University, Seoul, Korea ; Jeong-Chul Shin ; Hyoung-Kyu Song

WiMedia ultra-wideband (UWB) system has been given much attention because of its outstanding features including low cost, low power consumption, and high transmission capability. Its data rate up to 480 Mbps is enabled through dual carrier modulation (DCM) which uses two differently mapped 16 quadrature amplitude modulation (QAM) constellations to acquire frequency diversity. On the other hand, recently WiMedia UWB considered a new version of DCM to meet the increasing requirement for higher speed transmission. However, there are no related research articles in the literature. In this paper, we propose two constellation mapping rules for M-ary QAM based DCM (M-DCM) and evaluate their bit error rate (BER) performances in case of M = 256. Simulation results show the possibility and suitability of 256-DCM for the next generation WiMedia UWB system.

Published in:

Telecommunication Networks and Applications Conference (ATNAC), 2009 Australasian

Date of Conference:

10-12 Nov. 2009