Technical Program

Paper Detail

Paper:SPTM-P4.1
Session:Adaptive Filters I
Time:Wednesday, May 19, 13:00 - 15:00
Presentation: Poster
Topic: Signal Processing Theory and Methods: Adaptive Systems & Filtering
Title: DESIGN OF ORTHOGONAL LPTV FILTERS: APPLICATION TO SPREAD SPECTRUM MULTIPLE ACCESS
Authors: Wilfried Chauvet; TéSA 
 Bogdan Cristea; TéSA 
 Bernard Lacaze; TéSA 
 Daniel Roviras; TéSA 
 Alban Duverdier; CNES 
Abstract: This paper aims the design of a set of orthogonal Linear Periodic Time Varying (LPTV) filters and proposes to apply this result to spread spectrum multiuser transmissions. The construction method of such an orthogonal set is presented, emphasizing that only an invertible LPTV filter is required, since the full set is then deduced from this kernel element. Based on this theoretical result, a spread spectrum multiuser transmission is proposed. In order to appreciate the performance of the proposed system, simulations are performed and results are compared to a classical DS-CDMA system.
 
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