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Title: Distributed beamforming for two-way relay networks with reciprocal channels
Authors: Zeng, M.
Zhang, R. 
Cui, S.
Keywords: Achievable Rate Region
Collaborative Beamforming
Pareto Optimal
Two-Way Relay
Issue Date: 2010
Citation: Zeng, M.,Zhang, R.,Cui, S. (2010). Distributed beamforming for two-way relay networks with reciprocal channels. Conference Record - Asilomar Conference on Signals, Systems and Computers : 882-886. ScholarBank@NUS Repository.
Abstract: This paper studies the achievable rate region for a two-way relay network with collaborative beamforming under the assumption that the source-to-relay and relay-to-source channels are reciprocal. Specifically, we investigate the achievable rate regions for two cases where the relay cluster is subject to a sum-power constraint or to individual-power constraints. We can show that the optimal beamforming vectors obtained from solving the weighted sum inverse-SNR minimization (WSISMin) problems are sufficient to characterize the corresponding achievable rate region. Furthermore, we derive the closed forms for those optimal beamforming vectors and consequently propose the partially distributed algorithms to implement the optimal beamforming, where each relay node only needs the local channel information and one global parameter. © 2010 IEEE.
Source Title: Conference Record - Asilomar Conference on Signals, Systems and Computers
ISBN: 9781424497218
ISSN: 10586393
DOI: 10.1109/ACSSC.2010.5757694
Appears in Collections:Staff Publications

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