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Optimizing the transmit energy in UWB multiple access communications in multipath fading channels

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3 Author(s)
Kannan, B. ; Center for Wireless Commun., Nat. Univ. of Singapore, Singapore ; Yao Ma ; Chin, F.

We propose a new transmit energy optimization method in UWB (ultra wideband) multiple access communications in multipath fading channels. We consider a packetized transmission mode, where each packet contains N/sub pre/ overhead symbols for synchronization purpose and N/sub B/ symbols for data transmission. The effect of packet update rate (N/sub R/), decimation factor (D), number of users (K/sub all/) and the length of PN-sequence (N/sub s/) on the transmitted energy are analyzed. Extensive numerical results are presented to show how these parameters can be chosen to obtain an optimum transmit energy for a given probability of acquisition.

Published in:

Ultra Wideband Systems and Technologies, 2002. Digest of Papers. 2002 IEEE Conference on

Date of Conference:

21-23 May 2002