The performance of massive MIMO systems under correlated channel

Most researches on the massive multiple-input multiple-output (MIMO) systems are based on the assumption that the MIMO channels are independent, in reality, the above assumption is very difficult to realize when the number of multiple antennas are very large. Hence the simulation on massive MIMO sys...

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Bibliographic Details
Published inProceedings - IEEE International Conference on Networks pp. 1 - 4
Main Authors Xin Fang, Sheng Fang, Na Ying, Haiyan Cao, Chao Liu
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.12.2013
Subjects
Antennas
Bit error rate
channel estimate
Channel estimation
Contamination
correlated channel
Correlation coefficient
linear precoding
massive MIMO
MIMO
Vectors
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ISSN1531-2216
DOI10.1109/ICON.2013.6781998

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Summary:Most researches on the massive multiple-input multiple-output (MIMO) systems are based on the assumption that the MIMO channels are independent, in reality, the above assumption is very difficult to realize when the number of multiple antennas are very large. Hence the simulation on massive MIMO systems under correlated channels has some degree of guiding significance for practical application of massive MIMO systems. Simulation results show that the performance of massive MIMO systems becomes worse when the correlation coefficients of the channels increase. And when the channel correlation coefficient becomes smaller than a certain small value, the performance of massive MIMO systems will be enhanced quickly as the number of Base Station (BS) antennas increases; while the channel correlation coefficient is larger than the certain value, the performance is enhanced slowly as the number of BS antennas increases.
ISSN:1531-2216
DOI:10.1109/ICON.2013.6781998