Interleaved OFDMA systems with adaptive common carrier frequency offset correction

Dah Chung Chang, Yen Heng Lai, Yung Li Lai

研究成果: 書貢獻/報告類型會議論文篇章同行評審

摘要

An interleaved OFDMA system with a new carrier frequency offset (CFO) correction scheme is studied. The previous proposals for OFDMA compensating for the CFO effect at the OFDMA receiver can remain multiple access interference (MAI). Although some MAI cancellation schemes have been proposed to mitigate the MAI effect, we found that the minimum mean square error (MMSE) performance of demodulated signals is related to a common CFO (CCFO) value which should be corrected before the DFT. In this paper we explore an adaptive CCFO correction scheme and evaluate the performance of the interleaved OFDMA receiver utilizing the new CCFO correction scheme to achieve the optimal MSE performance. Simulation results show that the previous proposals for OFDMA in conjunction with the new CCFO correction algorithm can have better performance than their original proposals in interleaved OFDMA systems.

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主出版物標題2009 International Conference on Communications, Circuits and Systems, ICCCAS 2009
頁面43-47
頁數5
出版狀態已出版 - 2009
事件2009 International Conference on Communications, Circuits and Systems, ICCCAS 2009 - Milpitas, CA, United States
持續時間: 23 7月 200925 7月 2009

出版系列

名字2009 International Conference on Communications, Circuits and Systems, ICCCAS 2009

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???event.eventtypes.event.conference???2009 International Conference on Communications, Circuits and Systems, ICCCAS 2009
國家/地區United States
城市Milpitas, CA
期間23/07/0925/07/09

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