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Multi-group linear turbo equalization with intercell interference cancellation for MC-CDMA cellular systems

In this paper, we investigate multi-group linear turbo equalization using single antenna interference cancellation (SAIC) techniques to mitigate the intercell interference for multi-carrier code division multiple access (MC-CDMA) cellular systems. It is important for the mobile station to mitigate the intercell interference as the performance of the users close to cell edge is mainly degraded by the intercell interference. The complexity of the proposed iterative detector and receiver is low as the one-tap minimum mean square error (MMSE) equalizer is employed for mitigating the intracell interference, while a simple group interference canceller is used for suppressing the intercell interference. Simulation results show that the proposed iterative detector and receiver can mitigate the intercell interference effectively through iterations for both uncoded and coded signals. Copyright © 2009 John Wiley & Sons, Ltd. 
 
The paper investigates multi-group linear turbo equalization which uses single antenna interference cancellation technique to mitigate intercell interference for multi-carrier code division multiple access cellular systems. The complexity of the receiver is low as the one-tap minimum mean square error equalizer is employed for mitigating intracell interference, while a simple group interference canceller is used for suppressing intercell interference. Simulation results show that the proposed iterative receiver can mitigate the intercell interference effectively for both uncoded and coded signals.