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Joint multipath diversity combining and MLSE equalization (RAKE-MLSE receiver) for WCDMA systems

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2 Author(s)
Tantikovit, S. ; Dept. of Electron. Eng. & Inf. Eng., Hong Kong Polytech., Kowloon, China ; Sheikh, A.U.H.

We present an intersymbol interference (ISI) model to the interpath interference (IPI) that occurs in a RAKE receiver when low spreading ratios are used in a DS-CDMA system. Based on the equivalent model, we propose a new RAKE receiver structure that effectively overcomes the IPI problem. The performance of the proposed RAKE-MLSE receiver is evaluated by computer simulation. Results obtained show that significant performance gains over the conventional RAKE receiver can be obtained

Published in:

Vehicular Technology Conference Proceedings, 2000. VTC 2000-Spring Tokyo. 2000 IEEE 51st  (Volume:1 )

Date of Conference:

2000