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Asymptotical analysis of the outage capacity of rate-tailored BLAST

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2 Author(s)
Hao Zhang ; Dept. of Electr. & Comput. Eng., Virginia Univ., Charlottesville, VA, USA ; Guess, T.

The paper considers the multiple-input multiple-output (MIMO) channel with quasi-static Rayleigh fading. Lower bounds are derived for the outage capacity of a recently introduced approach to horizontally encoded BLAST (Bell Labs layered space time) in which the rates of the layers are optimally designed. The outage capacity of this scheme, rate-tailored BLAST (RT-BLAST), is shown to behave in the same manner as the true outage capacity of the MIMO channel (e.g., using a maximum-likelihood, ML, receiver) in the high signal-to-noise ratio (SNR) regime. That is, the asymptotical growth rates of the ML and RT-BLAST outage capacities as a function of SNR are equal to each other.

Published in:

Global Telecommunications Conference, 2003. GLOBECOM '03. IEEE  (Volume:4 )

Date of Conference:

1-5 Dec. 2003