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Interlaced Frequency Division Duplexing Scheme for OFDM Systems Using Feedback Information
Hongku KANG Yeyun KHO Kanghee KIM Kiseon KIM
IEICE TRANSACTIONS on Communications
Publication Date: 2003/09/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technology
orthogonal frequency division multiplexing (OFDM), Interlaced-Frequency Division Duplexing (IFDD), time-varying channel, feedback information,
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In this letter, we propose a robust IFDD scheme employing an interference canceller, which is used for mitigating interferences from the transmitting signal instead of complex filter bank to reduce the complexity, for the OFDM system using feedback information. According to simulation results, the proposed IFDD OFDM system does not show significant performance degradation but maintains the robustness against the fast time-varying multipath channel, while the TDD OFDM system estimating feedback information from receiving block makes serious performance degradation.