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A semi-blind multiuser detector based on auxiliary-vector (AV) is proposed for the inverse link of mobile cellular DS-CDMA communication systems. Distinguished from the recently developed blind AV detectors, which are a class of promising candidates for adaptive multiuser detection, the new detector makes full use of the signature waveforms of all known users at the base station to cancel the intra-cell multiple access interference (MAI) while blindly suppressing the inter-cell MAI with auxiliary vectors. Simulation results indicate that the semi-blind AV detector significantly outperforms the blind AV detectors with modest computational complexity increase.
Published in:
Vehicular Technology Conference, 2003. VTC 2003-Spring. The 57th IEEE Semiannual
(Volume:4
)
Date of Conference: 22-25 April 2003
- Page(s):
- 2404 - 2407 vol.4
- ISSN :
- 1090-3038
- Print ISBN:
- 0-7803-7757-5
- INSPEC Accession Number:
- 8095416
- Digital Object Identifier :
- 10.1109/VETECS.2003.1208821
- Product Type:
- Conference Publications
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