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Pulse-Coded Orthogonal PPM for Non-Coherent Receivers in Low-Data-Rate UWB Communications

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3 Author(s)
Xiaoli Chu ; Div. of Eng., King''s Coll. London ; Junsheng Liu ; Ghavami, M.

In this paper, we propose a pulse-coded orthogonal M-ary pulse position modulation (PPM) scheme that employs coded equivalent pulses, for non-coherent receivers operating in low-data-rate ultra-wideband (UWB) communications. Major system parameters, such as the size of pulse coding and the temporal spacing between adjacent pre-coding pulses, are provided to fully exploit the FCC average- and peak-power constraints. Simulation results show that the performance of the proposed scheme in conjunction with a square-law detector applying fixed large integration duration compares favourably with that of a selective Rake receiver, under realistic UWB channel models

Published in:

Personal, Indoor and Mobile Radio Communications, 2006 IEEE 17th International Symposium on

Date of Conference:

11-14 Sept. 2006