On the capacity of non-uniform phase MIMO Nakagami-m fading channels

Authors:
Caijun Zhong;Shi Jin;T. Ratnarajah;Kai-Kit Wong
Affiliations:
ECTT, Queen’s University Belfast, Belfast, Northern Ireland;NMCR Lab., Southeast University, Nanjing, China;ECTT, Queen’s University Belfast, Belfast, Northern Ireland;Department of Electronic and Electrical Engineering, University College London, UK
Venue:
IEEE Communications Letters
Year:
2010

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Abstract

This letter investigates the ergodic capacity of MIMO Nakagami-m fading channels with both uniformly and non-uniformly distributed phases. We first obtain a tight capacity upper bound for the channel and then derive exact expressions for the low signal-to-noise ratio (SNR) capacity metrics, based on which we examine the impact of fading parameter m on the capacity.