NDLI: Multi-stage MMSE/MOE receivers for frequency selective fading channels in DS-CDMA systems

Content Provider	IEEE Xplore Digital Library
Author	Sau-Hsuan Wu Mitra, U. Kuo, C.-C.J.
Copyright Year	2002
Description	Author affiliation: Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA (Sau-Hsuan Wu; Mitra, U.; Kuo, C.-C.J.)
Abstract	A multi-stage minimum mean square error filter bank (MS-MMSE-FB) and a minimum output energy filter bank (MS-MOE-FB) for the detection of DS-CDMA (Direct-Sequence Code-Division Multi-Access) signals under a dynamic multi-path fading environment are presented. The output signal-to-interference plus noise ratios (SINRs) for both MS-MMSE-FB and MS-MOE-FB are derived. The analytical results reveal how the output SINRs of reduced-rank MS-MMSE-FB and MS-MOE-FB vary with the rank of filters. The findings coincide with results of Honig and Goldstein (see IEEE Trans. on Communications, 2000), namely, the rank needed to achieve a target performance does not scale with the system loading in an additive white Gaussian noise (AWGN) channel. The derivation shows that, with the aid of desired user's channel information, the rank of the receivers can be drastically dropped without affecting the steady state SINR, an important factor for interference suppression in a dynamic fading channel with adaptive MS-MMSE-FB/MS-MOE-FB detections.
Starting Page	509
Ending Page	513
File Size	335133
Page Count	5
File Format	PDF
ISBN	0780376323
DOI	10.1109/GLOCOM.2002.1188131
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-11-17
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Multiaccess communication Signal to noise ratio AWGN Filter bank Additive white noise Frequency division multiaccess Mean square error methods Gaussian noise Working environment noise
Content Type	Text
Resource Type	Article

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