采用独立分量分析的多用户MIMO下行传输策略

doi:10.3969/j.issn.1001-2400.2010.02.003

Abstract

Abstract:

We introduce a multiuser MIMO (MU-MIMO) downlink transmission strategy to solve the transmission problem for MIMO broadcast channels without available channel state information (CSI). By use of the scheme, base station (BS) selects a set of mobile stations (MS) and communicate simultaneously. Each transmit antenna at BS corresponds to an MS in the active user subset. The MS applies independent component analysis (ICA) algorithm to demix different components from the received mixing signals and identifies its own. Simulation results show that by applying the proposed strategy, MU-MIMO downlink transmission can be implemented successfully without CSI.

Key words: multiuser, MIMO system, broadcast channels, channel state information, feedback, independent component analysis

LI Zhao;YANG Jia-wei;YAO Jun-liang;CHEN Ting. Multiuser MIMO downlink transmission strategy using independent component analysis[J].J4, 2010, 37(2): 192-196.

References

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Multiuser MIMO downlink transmission strategy using independent component analysis

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