Interference cancellation technique under imperfect synchronization in cellular systems |
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| Authors: | Xin Wang Zhuo Wu |
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| Affiliation: | Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200072, P. R. China;School of Communication and Information Engineering, Shanghai University, Shanghai 200072, P. R. China |
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| Abstract: | In this paper, an asynchronous cooperative cellular system applied with space-time block coding(STBC)is investigated. A signal detector is proposed based on parallel interference cancellation(PIC), to cancel the inter-symbol interference(ISI)caused by the imperfect synchronization. Simulation results show that the proposed PIC detector can effectively suppress the ISI, but there is still a comparatively high error floor, due to the co-channel interference(CCI)of the cellular system. |
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| Keywords: | distributed fashion space-time block coding(D-STBC) cellular system parallel interference cancellation(PIC) |
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