A new multi-stage weighted interference cancellation multiuser detector with user ordering for DS-CDMA
Resource
Wireless Communications and Networking, 2003. WCNC 2003. 2003 IEEE
Journal
Wireless Communications and Networking, 2003. WCNC 2003. 2003 IEEE
Pages
-
Date Issued
2003-03
Date
2003-03
Author(s)
Hsu, Chen-Chu
Lee, Yumin
DOI
1525-3511
Abstract
Conventional multi-stage multi-user detectors (MUD) such as the parallel interference cancellation (PIC) MUD suffer from error propagation. In this paper, we propose a new multi-stage MUD in which reliability weighting factors are applied to reduce error propagation. An algorithm is derived for optimizing both the reliability weighting factors and decision order for the proposed structure. Simulation results show that the proposed MUD almost achieves the single user bound with just a few stages.
SDGs
Type
journal article
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