Title :
Exploiting Connections Between MIMO MMSE Achievable Rate and MIMO Mutual Information
Author :
McKay, Matthew R. ; Collings, Iain B. ; Tulino, Antonia M.
Author_Institution :
Dept. of Electron. & Comput. Eng., Hong Kong Univ. of Sci. & Technol., Kowloon, China
Abstract :
We present an interesting and powerful new framework connecting the achievable sum rate of multiple-input multiple-output (MIMO) wireless systems employing linear minimum mean-squared error (MMSE) receivers, and the ergodic MIMO mutual information. This allows the vast literature on ergodic MIMO mutual information to be directly applied to the analysis of MMSE receivers. As an example, the framework is particularized to spatially-correlated Rayleigh fading to yield new exact closed-form expressions for the achievable sum rate, as well as simplified expressions for high and low signal to noise ratios.
Keywords :
MIMO communication; correlation methods; fading channels; least mean squares methods; radio receivers; MIMO MMSE achievable sum rate; ergodic MIMO mutual information; linear minimum mean-squared error receiver; multiple-input multiple-output system; spatially-correlated Rayleigh fading channel; wireless system; Closed-form solution; Fading; Information analysis; MIMO; Multiaccess communication; Mutual information; Paper technology; Rayleigh channels; Receiving antennas; Signal to noise ratio;
Conference_Titel :
Communications, 2009. ICC '09. IEEE International Conference on
Conference_Location :
Dresden
Print_ISBN :
978-1-4244-3435-0
Electronic_ISBN :
1938-1883
DOI :
10.1109/ICC.2009.5199016
