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Downlink MIMO Signal Detection Algorithm in TD-LTE System

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2 Author(s)
Xiaolin Li ; Chongqing Key Lab. of Mobile Commun., ChongQing Univ. of Posts & Telecommun., Chongqing, China ; Wenwen Liu

MIMO (Multiple input multiple output) technology is a key technology in the LTE system. The quality of signal detection directly affects the performance of the system. This paper introduced several traditional detection algorithms-ML (Maximum Likelihood) algorithm, MMSE (Minimum mean square error) algorithm, the optimal ordering SIC (serial interference cancellation) algorithm, the QR decomposition algorithm and the iterative cycle QR decomposition algorithm. The simulation shows that, ML algorithm has the best performance, but it is a great amount of computation. Secondly, the iterative cycle QR decomposition algorithm has a better performance.

Published in:

Business Computing and Global Informatization (BCGIN), 2012 Second International Conference on

Date of Conference:

12-14 Oct. 2012