Fading correlation and its effect on the capacity of multielement antenna systems

2000/03/01 by Da-Shan Shiu, Da-shan Shiu, G.J. Foschini +3 · 2,533 citations
Computer Science · Engineering · Mathematics · #Advanced MIMO Systems Optimization #Antenna (radio) #Channel (broadcasting) #Channel capacity #Channel state information #Computer science #Cooperative Communication and Network Coding #Electronic engineering #Engineering #Fading #Fading distribution #Independent and identically distributed random variables #Mathematics #Random variable #Rayleigh fading #Spatial correlation #Statistics #Telecommunications #Wireless #Wireless Communication Networks Research

paper · doi:10.1109/26.837052

published in IEEE Transactions on Communications 48(3), 502-513 (IEEE Communications Society)

openalex publication_date 2000/03/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/31

Abstract

We investigate the effects of fading correlations in multielement antenna (MEA) communication systems. Pioneering studies showed that if the fades connecting pairs of transmit and receive antenna elements are independently, identically distributed, MEAs offer a large increase in capacity compared to single-antenna systems. An MEA system can be described in terms of spatial eigenmodes, which are single-input single-output subchannels. The channel capacity of an MEA is the sum of capacities of these subchannels. We show that the fading correlation affects the MEA capacity by modifying the distributions of the gains of these subchannels. The fading correlation depends on the physical parameters of MEA and the scatterer characteristics. In this paper, to characterize the fading correlation, we employ an abstract model, which is appropriate for modeling narrow-band Rayleigh fading in fixed wireless systems.

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