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This paper investigates the performance of Multiple-Input Multiple-Output (MIMO) multichannel beamforming systems in interference-limited Ricean fading channels. The authors derive new expressions for the exact symbol error rate, as well as the diversity order and array gain. Their results are based on new exact closed-form expressions which they derive for the marginal ordered eigenvalue distributions of finite-dimensional complex non-central F-distributed random matrices. Numerical results are presented to validate the theoretical analysis. Multiple-Input Multiple-Output (MIMO) Multi-channel Beamforming (MB) transmission schemes, which employ linear transmit-receive processing to effectively steer transmitted symbols along the eigenmodes of the MIMO channel, have recently attracted considerable attention as a low complexity means of achieving significant capacity and performance gains.
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