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Technical Program

Paper Detail

Paper:	SPCOM-P11.1
Session:	Co-operative Communications
Time:	Friday, May 19, 10:00 - 12:00
Presentation:	Poster
Topic:	Signal Processing for Communication: Distributed and collaborative signal processing
Title:	TDMA COOPERATION USING SPATIAL REUSE OF THE RELAY SLOT WITH INTERFERING POWER DISTRIBUTION INFORMATION
Authors:	Adrian Agustin, Josep Vidal, Technical University of Catalonia (UPC), Spain
Abstract:	Cooperative transmission has emerged as an effective tool to combat the fading, improving the diversity gain. Although this technique can be viewed as a “virtual” MIMO system, when implemented under orthogonal access it does not allow the same multiplexing gains. In this work we have studied a possible application of the cooperative transmission in a TDMA centralized cellular system in the downlink. In order to reduce the inefficiency, we have considered the spatial reuse of one relay slot by simultaneous active relays in the cell. To this end we have modeled the interfering power received by each destination in the relay link. It is shown that cooperative transmission with amplify and forward strategy is able to provide significant gains in terms of throughput over the direct transmission under TDMA.