Joint spatial-frequency blind multiuser detection based on LCCMA

doi:1005-8885 (2007) 02-0014-05

中国邮电高校学报(英文) ›› 2007, Vol. 14 ›› Issue (2): 19-22.doi: 1005-8885 (2007) 02-0014-05

Joint spatial-frequency blind multiuser detection based on LCCMA

赵发勇;酆广增

Chongqing University of Posts and Telecommunications

收稿日期:2006-11-29 修回日期:1900-01-01 出版日期:2007-06-30

Joint spatial-frequency blind multiuser detection based on LCCMA

ZENG Yi; ZHANG Zu-fan

Chongqing University of Posts and Telecommunications

Received:2006-11-29 Revised:1900-01-01 Online:2007-06-30

摘要/Abstract

摘要：

This study addresses the problem of jointly optimizing the transmit beamformers and power control in multi-user multiple-input multiple-output (MIMO) downlink. The objective is minimizing the total transmission power while satisfying the signal-to-noise plus interference ratio (SINR) requirement of each user. Before power control, it uses the maximum ratio transmission (MRT) scheme to determine the beamformers due to its attractive properties and the simplicity of handling. For power control it introduces a supermodular game approach and proposes an iterated strict dominance elimination algorithm. The algorithm is proved to converge to the Nash equilibrium. Simulation results indicate that this joint optimization method assures the improvement of performance.

关键词:

multi-user;MIMO,;power;control,;transmit;beamforming,;MRT,;supermodular;game

Abstract:

Key words:

multi-user MIMO;power control;transmit beamforming;MRT;supermodular game

中图分类号:

TN911.7

ZENG Yi; ZHANG Zu-fan

. Joint spatial-frequency blind multiuser detection based on LCCMA[J]. Acta Metallurgica Sinica(English letters), 2007, 14(2): 19-22.

参考文献

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Joint spatial-frequency blind multiuser detection based on LCCMA

Joint spatial-frequency blind multiuser detection based on LCCMA

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