Technical Program

Paper Detail

Session:Wireless Access and Networking
Time:Tuesday, May 18, 15:30 - 17:30
Presentation: Poster
Topic: Signal Processing for Communications: Wireless Access and Networking
Authors: Alejandro Ribeiro; University of Minnesota 
 Xiaodong Cai; University of Minnesota 
 Georgios B. Giannakis; University of Minnesota 
Abstract: Introducing a new paradigm, where wireless user cooperation is viewed as a form of (opportunistic) multipath, we exploit the unique capabilities of Direct Sequence Spread Spectrum transmission in handling multipath to design a novel spectrally efficient protocol for wireless cooperative networks. We show how and why our proposed system achieves diversity without increasing bandwidth. After analyzing its performance, we deduce that user capacity can be significantly improved with respect to existing third generation cellular systems in the uplink. This is particularly interesting since our scheme can be readily integrated in such networks with literally no change in the existing standards.

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