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Adaptive parallel interference cancellation for uplink MC-CDMA in Rayleigh fading channels

Lookup NU author(s): Xzaoyan Feng, Dr Charalampos Tsimenidis, Professor Bayan Sharif

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Abstract

In this paper, an adaptive parallel interference cancellation (PIC) receiver is introduced for asynchronous multicarrier code division multiple access based (MC-CDMA) communications systems. The multiple access interference (MAI) estimates are obtained using the bit estimates from the previous stage and the adaptive weights for the bit estimates. The adaptive weights are updated by minimizing the mean squared error between the received signal and its estimate based on the adaptation of the normalized least mean square (LMS) algorithm. The results from the simulations show that the performance of conventional PIC (CPIC) and adaptive PIC (APIC) can be different depending on the combining schemes used.


Publication metadata

Author(s): Feng XY, Tsimenidis C, Sharif B

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: SoftCOM 15th International Conference on Software, Telecommunications and Computer Networks

Year of Conference: 2007

Pages: 42-46

Publisher: IEEE

Library holdings: Search Newcastle University Library for this item

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