A Comparative Study of Wireless Protocols Bandwidth-Efficient Wpan OFDM Protocol with Applications to UWB Communications

ABSTRACT: This paper investigates the Multi-band OFDM (MB-OFDM) based Ultra-Wideband for working group on short-range high data-rate Ultra-wide-Band (UWB) communications. An overview of the MB-OFDM PHY layer architecture with its various parameters is presented and the optimal choice of critical parameters is discussed. Next, we derive the theoretical un coded bit error rate (BER) of MB-OFDM over the fading channel. Performance results over realistic UWB channel models are analyzed and compared to a pulsed-OFDM based approach. Although pulsed- OFDM was presented in the literature as an enhancement to the MB-OFDM approach, simulation results showed that with same redundancy factor, both systems address almost similar BER performance