Title :
The impact of channel estimation errors on a linearly complex space-time signal detector in a coded MIMO system
Author :
Mysore, Naveen ; Bajcsy, Jan
Author_Institution :
Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, Que., Canada
Abstract :
A linearly complex MIMO signal detection method that accommodates a high degree of channel estimation errors at the receiver is presented. Furthermore, the proposed detector is incorporated into a turbo-coded MIMO system for uplink transmission scenarios in slow frequency non-selective correlated Rayleigh fading environments. Simulation results illustrate that this system, which employs a particular form of iterative processing, operates near the ergodic channel capacity limit even under a high degree of channel estimation errors and strong spatial correlation at both ends of the wireless link.
Keywords :
MIMO systems; Rayleigh channels; channel capacity; channel estimation; diversity reception; iterative methods; radio receivers; signal detection; turbo codes; channel estimation errors; ergodic channel capacity limit; iterative processing; linearly complex space-time signal detection; multi-input multi-output communication systems; nonselective correlated Rayleigh fading; spatial correlation; spatial diversity; turbo-coded MIMO system; uplink transmission; Channel estimation; Channel state information; Computer errors; Detectors; MIMO; Rayleigh channels; Receiving antennas; Signal detection; Transceivers; Turbo codes;
Conference_Titel :
Military Communications Conference, 2004. MILCOM 2004. 2004 IEEE
Print_ISBN :
0-7803-8847-X
DOI :
10.1109/MILCOM.2004.1494922
