Reduced-rank space-time channel estimation for DS-CDMA in MIMO dispersive channels

Fu Hsuan Chiu*, Sau-Hsuan Wu, C. C.Jay Kuo

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


A reduced-rank space-time channel estimation scheme is presented for uplink multiuser DS-CDMA (direct-sequence code-division multiple access) systems in dispersive MIMO (multiple input and multiple output) channels. The proposed method is based on the alternative power (AP) method with the aid of pilot symbols. It is shown that the mean squared error (MSE) of channel estimation can be improved via rank order selection where the optimal performance can be achieved using the generalized likelihood ratio test (GLRT). Both analytical and simulated results are provided to demonstrate the performance of the proposed scheme with various measure criteria.

Original languageEnglish
Pages (from-to)3782-3786
Number of pages5
JournalIEEE Vehicular Technology Conference
Issue number5
StatePublished - 1 Dec 2004
Event2004 IEEE 60th Vehicular Technology Conference, VTC2004-Fall: Wireless Technologies for Global Security - Los Angeles, CA, United States
Duration: 26 Sep 200429 Sep 2004


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