SIC and PIC multiuser detection for prefix-assisted DS-CDMA systems

In this paper we present iterative frequency-domain multiuser detection (MUD) receivers for the uplink transmission of direct sequence code division multiple access systems (DS-CDMA) that combine iterative block decision feedback equalization (IB-DFE) principles with interference cancelation techniq...

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Bibliographic Details
Main Author: Silva, Paulo (author)
Other Authors: Dinis, Rui (author)
Format: article
Language:eng
Published: 2009
Subjects:
Telecomunicações
Comunicações sem fios
Wireless
MUD
CDMA
Igualização no domínio da frequência
621.39
Multiuser detection
Block transmission
Online Access:http://hdl.handle.net/10400.1/130
Country:Portugal
Oai:oai:sapientia.ualg.pt:10400.1/130
Description
Summary:In this paper we present iterative frequency-domain multiuser detection (MUD) receivers for the uplink transmission of direct sequence code division multiple access systems (DS-CDMA) that combine iterative block decision feedback equalization (IB-DFE) principles with interference cancelation techniques. Both successive interference cancelation (SIC) and parallel interference cancelation (PIC) structures are considered. Our performance results show that the proposed receiver structures have excellent bit error rate (BER) performances, that can be close to the single-user matched filter bound (MFB), even for fully loaded systems and severely time-dispersive channels1.

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