Capacity of Multi-antenna Gaussian Channels

I. Emre Telatar

Abstract: We investigate the use of multiple transmitting and/or receiving antennas for single user communications over the additive Gaussian channel with and without fading. We derive formulas for the capacities and error exponents of such channels, and describe computational procedures to evaluate such for­ mulas. We show that the potential gains of such multi­antenna systems over single­antenna systems is rather large under independence assumptions for the fades and noises at different receiving antennas.

Status: Technical Memorandum, Bell Laboratories, Lucent Technologies, October 1995. Published in European Transactions on Telecommunications, Vol. 10, No. 6, pp. 585-595, Nov/Dec 1999.

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