Scientific Conferences of Ukraine, ICATT’03 - IV International Conference on Antenna Theory and Techniques

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Weight error loss in MIMO systems with adaptive transmit and receive beamformers
Victor T. Ermolayev, A. G. Flaksman, I. P. Kovalyov, I. M. Averin

Last modified: 2015-09-22

Abstract


The effects of non-ideal channel estimation in multiple-input-multiple-output (MIMO) wireless communication systems using the eigenchannel technique for the independent symbol transmission are investigated in this paper. Analytical expression is derived for the Shannon capacity for arbitrary signal-to-noise ratio (SNR), training sequence length (TSL), transmit and receive antenna numbers. The weight error loss (WEL) that quantifies the increase in signal-to-noise ratio (SNR) required to meet a given capacity target due to weight jitter are investigated.

Keywords


MIMO systems; adaptive beamformer; channel estimation; eigenchannels; capacity; wight error loss; training sequence

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