Optimization for fractional cooperation in multiple-source multiple-relay systems

Authors:
Josephine P. K. Chu;Andrew W. Eckford;Raviraj S. Adve
Affiliations:
Dept. of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada;Dept. of Computer Science and Engineering, York University, Toronto, Ontario, Canada;Dept. of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada
Venue:
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Year:
2009

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Abstract

In fractional cooperation, many relays simultaneously assist the source, and each relay is responsible to relay only a fraction of the source transmission. In this paper, the problem of fractional cooperation is considered in the presence of multiple sources and multiple relays. In particular, optimization problems are formulated that can be used to allocate the relay resources between multiple sources to either minimize the energy consumed to achieve a given probability of error threshold, or minimize the maximum probability of error experienced by each source node.