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학술지 Joint Doppler-Frequency Diversity for OFDM Systems Using Hybrid Interference Cancellation in Time-Varying Multipath Fading Channels
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저자
송형준, 김지형, 남상호, 류탁기, 홍대식
발행일
200801
출처
IEEE Transactions on Vehicular Technology, v.57 no.1, pp.635-641
ISSN
0018-9545
출판사
IEEE
DOI
https://dx.doi.org/10.1109/TVT.2007.905594
초록
In time-varying fading channels, orthogonal frequency division multiplexing systems suffer severe performance degradation caused by interchannel interference (ICI). We utilize this ICI as a source of diversity by using a new ICI-cancellation algorithm and Wiener filter. The proposed algorithm can support joint Doppler-frequency diversity gain. In addition, both the computational complexity and total detection time are reduced. © 2008 IEEE.
키워드
Hybrid interference cancellation (HIC), Joint Doppler-frequency diversity, Orthogonal frequency division multiplexing (OFDM), Parallel interference cancellation (PIC), Successive interference cancellation, Wiener filter
KSP 제안 키워드
Computational complexity, Diversity gain, Hybrid Interference Cancellation, Inter-channel Interference, OFDM systems, Orthogonal frequency division Multiplexing(OFDM), Successive Interference Cancellation, Time-Varying Fading Channels, detection time, frequency diversity, parallel interference cancellation