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Performance Analysis for a Two-Ring Distributed MIMO-OFDM System

Summary: Performance Analysis for a Two-Ring
Distributed MIMO-OFDM System
Xiaolin Zhou, Himal A. Suraweera and Jean Armstrong
Department ofElectrical and Computer Systems Engineering
Monash University
Melbourne, Victoria 3800, Australia
E-mails: {xiaolin.zhou, himal.suraweera, jean.armstrong} (eng.monash.edu.au
Abstract-Distributed MIMO technology is an effective way of
dealing with the inter-cell interference problem in single
frequency wireless communication networks. This paper studies
the generic channel capacity formula for a distributed MIMO-
OFDM system. A practical two-ring STBC distributed MIMO-
OFDM transmission scheme is introduced. The cell throughput
formula for this distributed scheme is derived. The impact of
inner cell radius on cell throughput performance is analyzed for a
multi-cell simulation model. From simulation results, we show
that the two-ring distributed scheme can effectively mitigate inter-
cell interference and provide good radio propagation channel
quality, particularly for users at cells boundary. Moreover, we
show that, with proper inner cell radius, the two-ring distributed


Source: Armstrong, Jean - Department of Electrical and Computer Systems Engineering, Monash University


Collections: Engineering