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New compound upper bound on MIMO channel capacity

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2 Author(s)
Loyka, S. ; Sch. of Inf. Technol. & Eng. (SITE), Ottawa Univ., Ont., Canada ; Kouki, A.

MIMO channel capacity may be severely degraded due to correlation between individual sub-channels of the matrix channel. Several models, which are limited to some specific scenarios, have been developed to date to account for this effect. In this letter, we derive a new upper bound on the mean (ergodic) MIMO capacity, which is not limited to a particular scenario and accounts for both transmit (Tx) and receive (Rx) end correlations in such a way that their impact can be estimated separately and compared. Thus, a conclusion can be made as to which end contributes more to capacity reduction. In general, the higher correlated end has a dominant effect on the capacity.

Published in:

Communications Letters, IEEE  (Volume:6 ,  Issue: 3 )

Date of Publication:

March 2002

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