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Personal area networks (PANs) are expected to play an important role in future mobile ad-hoc wireless communications and information systems. This paper proposes a UWB-based alternate PHY layer for 802.15.4 low rate wireless personal area network (LR-WPAN) system with the intention to enhance such WPAN system with better location positioning capability. The proposed UWB transceiver operates in the first 500 MHz band, 3.1-3.6GHz, within the FCC allocated UWB band. Original 802.15.4 code position modulation scheme is slightly modified to 2-PPM to cater UWB transmission. A simple peak detector based receiver is employed to sample and decode the transmitted symbol. Extensive simulation over IEEE 802.15.3a UWB channel models is also provided.
Signals, Systems and Computers, 2004. Conference Record of the Thirty-Seventh Asilomar Conference on (Volume:2 )
Date of Conference: 9-12 Nov. 2003