Capacity of MIMO-OFDM system with multi-path fading channel

Authors:
Wang Junxuan;Zhang Yanyan;Lu Guangyue
Affiliations:
Dept. of Communication Engineering, Xi'an Institute of Posts and Telecommunication, Xi'an, China;Dept. of Communication Engineering, Xi'an Institute of Posts and Telecommunication, Xi'an, China;Dept. of Communication Engineering, Xi'an Institute of Posts and Telecommunication, Xi'an, China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

Capacity of MIMO-OFDM system with exponential correlation matrix and multi-path channel was researched. Based on SVD, factors of correlation coefficient and the number of multi-path and antenna were analyzed. The Monte-Carlo simulations present that capacity of MIMO-OFDM system would decrease obviously as correlation coefficient increasing in large SNR; and it would also increased with number of multi-path at power limited situation; capacity for Nr×Nt=N×N system is increase with N, and number the antenna in receiver has more effect on capacity when Nr is un-equal to Nt.