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- W1997560491 abstract "Cognitive radio (CR) is a dynamic spectrum access technology as a solution to spectrum under-utilization problem in some licensed bands. Operating over an exceedingly wide spectrum, CR systems usually adopt multi-carrier modulation to implement flexible channelization. Due to small sideband power leakage, filter bank multi-carrier (FBMC) techniques are considered as interesting alternatives to traditional OFDM for spectrum pooling CR. Non-overlap and half-overlap Filtered Multi-Tone (FMT) is two kinds of FBMC system. Half-overlap FMT has higher spectrum utilization than non-overlap FMT but introduces inter-carrier interference (ICI) due to loss of orthogonality which may degrade system performance. In this paper, an improved Half-overlap FMT (CICFB-FMT) system with orthogonal sub-carriers will be proposed and a comparison on anti-ICI performance when frequency offset occurs in OFDM, CICFB-FMT and Half-overlapped FMT will be conducted. Both the simulation and measure results show that the proposed modulation technique has the best anti-ICI performance and is a good candidate for physical layer of CR." @default.
- W1997560491 created "2016-06-24" @default.
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- W1997560491 date "2010-06-01" @default.
- W1997560491 modified "2023-09-28" @default.
- W1997560491 title "A novel half-overlap FMT system using CIC filter in cognitive radio" @default.
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- W1997560491 doi "https://doi.org/10.1109/wcins.2010.5541735" @default.
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