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The data rate of a point-to-point link can be substantially increased by using antenna arrays at both transmitter and receiver. Similar gains can be realized in the downlink of a cellular system with respect to the total cell throughput, if the base station serves multiple single-antenna mobiles simultaneously; however, the maximum rate of each individual user is relatively small then. In this paper,...
This paper deals with the sum-rate performance in the broadcasting channel of a decentralized multiuser multi-antenna system. With the assumption of limited channel state information available at the base station and a large number of single antenna decentralized users in a cell, we propose a Semi-orthogonal precoding method with a total feedback rate constraint, and analyze its the sum-rate performance...
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