Please use this identifier to cite or link to this item: https://doi.org/10.1109/MILCOM.2008.4753534
Title: Cutoff rate of MIMO systems in rayleigh fading channels with PSK signaling
Authors: Ho, P.
Yar, K.-P.
Kam, P.Y. 
Issue Date: 2008
Source: Ho, P.,Yar, K.-P.,Kam, P.Y. (2008). Cutoff rate of MIMO systems in rayleigh fading channels with PSK signaling. Proceedings - IEEE Military Communications Conference MILCOM : -. ScholarBank@NUS Repository. https://doi.org/10.1109/MILCOM.2008.4753534
Abstract: We derive in this paper the cutoff rate R0 of multiple-input-multiple-output (MIMO) space-time (ST) coding systems operating in Rayleigh fast fading channels with imperfect channel state information at the receiver (CSIR). In contrast to conventional cutoff rate analyzes where R 0 is treated as a continuous variable, we highlight in the paper that when the codeword length N is finite, there is a need to "quantize" R0, as not all code rates are possible. Using the tight upper and lower bounds on the pair-wise error probability (PEP) in [15], we are able to derive in turn tight lower and upper bounds on the cutoff rate of MIMO ST coding systems. Our lower bound on R0 is substantially tighter than that provided by the Chernoff bound for small and medium codeword length N. Asymptotically at large N, our lower bound coincides with the Chernoff bound. It is further shown in the paper that for some MIMO configurations, our upper bound on R0 is simply that of our lower bound shifted by one unit of signal-to-noise-ratio (SNR). As a consequence, both bounds are tight at large SNR. ©2008 IEEE.
Source Title: Proceedings - IEEE Military Communications Conference MILCOM
URI: http://scholarbank.nus.edu.sg/handle/10635/83599
ISBN: 9781424426775
DOI: 10.1109/MILCOM.2008.4753534
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