Capacity region of the linear four-node half-duplex wireless relay network

Authors:
Chi Wan Sung;Qi Wang;Kenneth W. Shum
Affiliations:
Department of Electronic Engineering, City University of Hong Kong, Hong Kong;School of Electronic and Information Engineering, Beihang University, Beijing, China;Department of Information Engineering, The Chinese University of Hong Kong, Hong Kong
Venue:
IEEE Communications Letters
Year:
2009

Citing 3
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Abstract

A three-phase transmission scheme for the linear four-node half-duplex wireless relay network is proposed. In each of its two cooperative phases, the setting is equivalent to the broadcast channel with cognitive receiver, whose capacity region is determined. Based on that result, the three-phase scheme is shown to be capacity achieving. Its performance is compared with two suboptimal schemes.