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EFFICIENT SINR FAIRNESS ALGORITHM FOR LARGE DISTRIBUTED MULTIPLE-ANTENNA NETWORKS

机译:大分布式多天线网络的高效SINR公平算法

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This paper studies the joint beamforming and power control in a multiuser distributed antenna uplink network, wherein the number of users and the number of separately located antennas grow large with ratio being bounded. We consider the SINR fairness problem under individual power constraint and present a distributed iterative algorithm. This algorithm, though converging to the instantaneous optimal solution, requires instantaneous power update. In order to design a low complexity algorithm that achieves optimality in the asymptotic sense, we leverage the large system structure to derive an asymptotic solution requiring only channel statistics. In this algorithm, the asymptotic power is slowly updated and the asymptotic beamformer can be obtained in a non-iterative manner. The convergence property of the proposed algorithm is also studied.
机译:本文研究了多用户分布式天线上行链路网络中的关节波束形成和功率控制,其中用户数量和单独定位天线的数量随着界限的比率而变大。我们考虑在各个功率约束下的SINR公平问题,并提出了一种分布式迭代算法。这种算法,虽然会聚到瞬时最佳解决方案,但需要瞬时功率更新。为了设计一种低复杂性算法,可实现渐近感的最佳性,我们利用大型系统结构来得出只需要频道统计的渐近解决方案。在该算法中,渐近功率缓慢更新,并且可以以非迭代方式获得渐近波束形成器。还研究了所提出的算法的收敛性。

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