Blind Adaptive Constrained MOE Receiver for Uplink MC-CDMA Systems with Real Signaling in Multi-Cell Environments

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A blind adaptive constrained minimum output energy (MOE) receiver has been proposed for the uplink multicarrier code-division multiple access (MC-CDMA) system in a multi-cell environment when some users, including the desired user, employ real-valued modulation such as binary phase-shift keying (BPSK) or amplitude-shift keying (ASK). Since the imaginary part of residual interference at the filter output does not affect the decision of the desired user's data in this case, the proposed receiver has been designed to perfectly eliminate the real part of residual in-cell interference using the information of the spreading sequence and to reduce the real part of residual inter-cell interference by minimizing the constrained output energy. Results of analysis and simulation show that the proposed blind adaptive algorithm converges faster and has a higher steady-state signal-to-interference and noise ratio (SINR) than those of conventional schemes.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2009-10
Language
English
Article Type
Article
Keywords

MULTIUSER DETECTION; DS-CDMA; SUPPRESSION; PERFORMANCE

Citation

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, v.8, pp.4911 - 4915

ISSN
1536-1276
DOI
10.1109/TWC.2009.080904
URI
http://hdl.handle.net/10203/97493
Appears in Collection
EE-Journal Papers(저널논문)
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