Performance analysis for multiple-input multiple-output-maximum ratio transmission systems with channel estimation error, feedback delay and co-channel interference

In this study, the authors analyse the impact of channel estimation error (CEE), feedback delay (FD), and co-channel interference (CCI) on the performance of multiple-input multiple-output (MIMO) systems deploying maximum ratio transmission (MRT). In particular, the authors derive closed-form expres...

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Bibliographic Details
Published in:IET communications 2013-03, Vol.7 (4), p.279-285
Main Authors: Chu, Thi My Chinh, Duong, Trung Q, Zepernick, Hans-Jürgen
Format: Article
Language:English
Subjects:
antenna
antenna arrays
CCI
CEE
channel capacity
channel estimation
channel estimation error
Channels
closed‐form expression
cochannel interference
Computer simulation
Degradation
Delay
delays
Ergodic Capacity
Ergodic processes
Error analysis
Feedback
feedback delay
Mathematical analysis
MIMO
MIMO communication
Monte Carlo simulation
MRT
MRT Systems
multiple‐input–multiple‐output‐maximum ratio transmission system
Outage
outage probability
Performance Analysis
probability
radio receivers
radio transmitters
receiver
receiving antennas
SER
symbol error rate
transmitter
transmitting antennas
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Summary:In this study, the authors analyse the impact of channel estimation error (CEE), feedback delay (FD), and co-channel interference (CCI) on the performance of multiple-input multiple-output (MIMO) systems deploying maximum ratio transmission (MRT). In particular, the authors derive closed-form expressions for the ergodic capacity and the symbol error rate (SER) as well as the outage probability (OP). In addition, to reveal the effect of CEE, FD and CCI on the MIMO-MRT system, the authors adopt more simplified and tractable formulas in terms of asymptotic expressions for the ergodic capacity, SER and OP. The analysis shows that the system performance is degraded considerably under imperfect transmission conditions such as CEE, FD and CCI. However, the authors can compensate part of this degradation by deploying MRT transmission with a large number of antennas at the transmitter and receiver. Finally, the selected examples exhibit consistency between analytical results and Monte Carlo simulations.
ISSN:1751-8628
1751-8636
1751-8636
DOI:10.1049/iet-com.2012.0594