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TRANSCEIVER OPTIMIZATION FOR MULTI-USER MULTI-ANTENNA TWO-WAY RELAY CHANNELS

Multiuser and Network MIMO

Full Paper at IEEE Xplore

Presented by: Can Sun, Author(s): Can Sun, Chenyang Yang, Beihang University, China; Yonghui Li, Branka Vucetic, University of Sydney, Australia

In this paper, we study a multi-user multi-antenna two-way relay system, where a multi-antenna base station (BS) exchanges uplink and downlink signals with multiple users via a multi-antenna amplify-and-forward relay station (RS). We jointly design the BS and RS transceivers, aiming to maximize the system bidirectional sum rate under inter-user interference free constraint. Since the optimization problem is non-convex, we employ alternating optimization algorithm to design the transmit and receive weighting matrices at the BS and RS. Simulation results show that the proposed solution offers higher bidirectional sum rate than existing schemes.

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  Lecture Information

Recorded: 2011-05-27 14:25 - 14:45, Club E
Added: 20. 6. 2011 00:17
Number of views: 38
Video resolution: 1024x576 px, 512x288 px
Video length: 0:15:30
Audio track: MP3 [5.21 MB], 0:15:30