Title :
A Modified Soft-Decision Algorithm of V-BLAST Architecture
Author :
Zhao, Dongfeng ; Li, Daoben
Author_Institution :
Inf. Eng. Sch., BUPT, Beijing
Abstract :
A method based on modified sphere-decoding to compute the soft-information for the V-BLAST architecture is deduced in this paper. The system bit error ratio (BER) and computation complexity are simulated and compared with the classical methods. Simulation indicates that the new methods can reduce the decoding complexity with negligible performance degradation.
Keywords :
computational complexity; error statistics; maximum likelihood decoding; space-time codes; BER; V-BLAST architecture; bit error ratio; computation complexity; decoding complexity; maximum likelihood decoding algorithm; soft-decision algorithm; sphere-decoding algorithm; Bit error rate; Computational modeling; Computer architecture; Computer errors; Information processing; Laboratories; Maximum likelihood decoding; Random variables; Receiving antennas; Telecommunication computing;
Conference_Titel :
Wireless Communications, Networking and Mobile Computing, 2008. WiCOM '08. 4th International Conference on
Conference_Location :
Dalian
Print_ISBN :
978-1-4244-2107-7
Electronic_ISBN :
978-1-4244-2108-4
DOI :
10.1109/WiCom.2008.205
