Hot topic: physical-layer network coding
Proceedings of the 12th annual international conference on Mobile computing and networking
Embracing wireless interference: analog network coding
Proceedings of the 2007 conference on Applications, technologies, architectures, and protocols for computer communications
XORs in the air: practical wireless network coding
IEEE/ACM Transactions on Networking (TON)
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
Multiuser two-way relaying: detection and interference management strategies
IEEE Transactions on Wireless Communications
An opportunistic-based protocol for bidirectional cooperative networks
IEEE Transactions on Wireless Communications
IEEE Transactions on Signal Processing
Performance Bounds for Bidirectional Coded Cooperation Protocols
IEEE Transactions on Information Theory
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In this paper, we design a multiuser two-way relay system using space division multiple access (SDMA) communications and devise an optimal scheduling method that maximizes the sum rate while ensuring fairness among users. To reduce the computational load at the relays, we propose rate- and anglebased suboptimal scheduling methods. The numerical results illustrate tradeoff between complexity and the performance. Specifically, when the relay has two antennas, we verify that the rate-based method can provide significant computational savings at the cost of a rate reduction of less than 4% when compared with the optimal scheduling method.