Distributed Space-Time Block Codes for the MIMO Multiple Access Channel

Details Distributed Space-Time Block Codes for the MIMO Multiple Access Channel Distributed Space-Time Block Codes for the MIMO Multiple Access Channel

2008-04-09

arxiv.org/abs/0804.1490v1

Computer Science

Information Theory

5 pages, 6 figures, accepted to ISIT 2008

Scientific paper

In this work, the Multiple transmit antennas Multiple Access Channel is considered. A construction of a family of distributed space-time codes for this channel is proposed. No Channel Side Information at the transmitters is assumed and users are not allowed to cooperate together. It is shown that the proposed code achieves the Diversity Multiplexing Tradeoff of the channel. As an example, we consider the two-user MIMO-MAC channel. Simulation results show the significant gain offered by the new coding scheme compared to an orthogonal transmission scheme, e.g. time sharing.

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