Elements of information theory
Elements of information theory
Optimal beamforming for two-way multi-antenna relay channel with analogue network coding
IEEE Journal on Selected Areas in Communications - Special issue on network coding for wireless communication networks
IEEE Transactions on Signal Processing
A two-step approach to power allocation for OFDM signals over two-way amplify-and-forward relay
IEEE Transactions on Signal Processing
Opportunistic beamforming using dumb antennas
IEEE Transactions on Information Theory
Spectral efficient protocols for half-duplex fading relay channels
IEEE Journal on Selected Areas in Communications
Wireless Personal Communications: An International Journal
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This paper considers a multiuser two-way relay channel (MU-TWRC) in which a base-station and a selected mobile-station (MS) among K number of MSs exchange messages during two time slots with the help of a half-duplex amplify-and-forward relay. We analyze the performances of a MU-TWRC. The closed-form expressions of the lower bound of the average rates are derived. The asymptotic expressions of the average rates are also analyzed in the limit of large K. Analysis and simulation results indicate that the former matches well to the latter, and the performance of a MU-TWRC can increase as K increases or be bounded to some constant according to the channel conditions.