Dominant Path Selection Algorithm for Channel Estimation of MUD Based Receiver 


Vol. 30,  No. 5, pp. 398-405, May  2005


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  Abstract

The multiuser detection (MUD) based wireless receiver requires more accurate channel estimation than the single user detection (SUD) schemes such as Rake receiver, and hence the post processing is required for MUD to clean up the estimated channel coefficients by eliminating the noise only coefficients. The adaptive post processing method is proposed in order to provide more accurate channel responses and the power level of the background noise and interferences at the cost of the negligible processing delay compared to the conventional method based on the threshold test with the threshold value relative to the noise variance. The simulations are performed in 3GPP-TDD mode environment. The results show that the noise estimation error of the proposed method is maximum 10%, which is much smaller than 50% maximum error of the conventional method.

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  Cite this article

[IEEE Style]

H. Byon, I. Seo, Y. Kim, "Dominant Path Selection Algorithm for Channel Estimation of MUD Based Receiver," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 5, pp. 398-405, 2005. DOI: .

[ACM Style]

Hyoung-joo Byon, In-kwon Seo, and Younglok Kim. 2005. Dominant Path Selection Algorithm for Channel Estimation of MUD Based Receiver. The Journal of Korean Institute of Communications and Information Sciences, 30, 5, (2005), 398-405. DOI: .

[KICS Style]

Hyoung-joo Byon, In-kwon Seo, Younglok Kim, "Dominant Path Selection Algorithm for Channel Estimation of MUD Based Receiver," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 5, pp. 398-405, 5. 2005.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880