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• W1795197401 abstract "A new adaptive receiver design for the Multicarrier (MC) DS-CDMA is proposed employing successive interference cancellation (SIC) architecture. One of the main problems limiting the performance of SIC in MC DS-CDMA is the imperfect estimation of multiple access interference (MAI), and hence, the limited frequency diversity gain achieved in multipath fading channels. In this paper, we design a blind adaptive SIC with new multiple access interference suppression capability implemented within despreading process to improve both detection and cancellation processes. Furthermore, dynamic scaling factors derived from the despreader weights are used for interference cancellation process. This method applied on each subcarrier is followed by maximum ratio or equal gain combining to fully exploit the frequency diversity inherent in the multicarrier CDMA systems. It is shown that this way of MAI estimation on individual subcarrier provides significantly improved performance for a MC DS-CDMA system compared to that with conventional matched filter (MF) and SIC techniques at a little added complexity. Performance evaluation under severe nearfar, fading correlation and system loading conditions are carried out to affirm the gain of the proposed adaptive receiver design approach." @default.
• W1795197401 created "2016-06-24" @default.
• W1795197401 creator A5000777022 @default.
• W1795197401 creator A5056324482 @default.
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• W1795197401 date "2011-02-26" @default.
• W1795197401 modified "2023-09-27" @default.
• W1795197401 title "Blind Adaptive Successive Interference Cancellation for Multicarrier DS-CDMA" @default.
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• W1795197401 hasPublicationYear "2011" @default.
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