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A blind reduced rank CDMA detector for multipath channels

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2 Author(s)
Yu Song ; Div. of Eng., Texas Univ., San Antonio, TX, USA ; Smit, R.

High speed wireless access schemes using DS-CDMA signals must counteract the effects of fading multipath channels that lend to significant intersymbol interference (ISI)/multiuser interference (MUI). Requisite ISI/MUI cancellation requires direct or indirect channel estimation; further an efficient detector architecture should exploit the underlying subspace structures offered by the modulation scheme. This paper develops a blind, adaptive, reduced rank detector driven by a fast efficient subspace tracker that achieves significant performance improvement compared to some previously proposed methods at the expense of modest increase in complexity

Published in:

Communication Theory Mini-Conference, 1999

Date of Conference:

6-10 Jun 1999