MIMO capacity pre-Log for flat fading stationary channels with no CSIR

Salim, Umer;Slock, Dirk T M
PIMRC 2008, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, September 15-18, 2008, Cannes, France

The asymptotic capacity for the non-coherent MIMO stationary channels having nt transmit and nr receive antennas with flat fading is the focus of this paper. Fading processes of concern are bandlimited. These non-coherent MIMO channels were studied by Etkin and Tse and lower bound of capacity was shown to grow with min(nt, nr)[1 - min(nt, nr)mu] log(SNR) where mu is the normalized Doppler bandwidth. The contribution of this paper is to specify the pre-log for MIMO channels and this is done by giving matching upper and lower bounds of the pre-log. Moreover min(nt, nr) factor in the pre-log term bears a small modification. The actual pre-log is min(nt, nr, 1/2mu)[1 - min(nt, nr, 1/2mu)mu] and takes into account the optimal number of streams that should be activated as a function of the Doppler bandwidth.

Systèmes de Communication
Eurecom Ref:
© 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

PERMALINK : https://www.eurecom.fr/publication/2650