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- W2034215941 abstract "The quality of multiple access interference (MAI), which can be improved by using channel estimation and data estimation of all active users, effects considerably the performance of PIC detector. Therefore, data and channel estimation performance is obtained in the initial stage has a significant relationship with the performance of PIC. So obviously it is necessary to make excellent joint data and channel estimation for initialization of PIC detector. In this work, to initiate PIC module efficiently a joint MAP channel estimation and data detection technique based on the Expectation Maximization (EM) method has been proposed. Moreover, the MAP-EM approach considers the channel variations as random processes and applies the Karhunen-Loeve (KL) orthogonal series expansion. The performance of the proposed approach arc studied in terms of bit-error rate (BER). Throughout the simulations, extensive comparisons with previous works in literature arc performed, showing that the new scheme can offer superior performance." @default.
- W2034215941 created "2016-06-24" @default.
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- W2034215941 date "2007-06-01" @default.
- W2034215941 modified "2023-09-27" @default.
- W2034215941 title "EM-MAP Based Initializaition of PIC Receiver for Downlink MC-CDMA Systems" @default.
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- W2034215941 doi "https://doi.org/10.1109/siu.2007.4298799" @default.
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