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Semi-blind multiuser detector based on auxiliary-vector

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3 Author(s)
Bin Xu ; Dept. of Electr. Eng., Beijing Univ. of Aeronaut. & Astronaut., China ; Chenyang Yang ; Shiyi Mao

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