| WANG Yunzhe(王蕴哲),MA Tianming,JIN Jie,WU Zhong.[J].高技术通讯(英文),2024,30(4):380~388 |
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| A novel interference suppression scheme applying complex weighted matrix interleaving mapping for UFMC systems |
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| DOI：10. 3772 / j. issn. 1006-6748. 2024. 04. 005 |
| 中文关键词: |
| 英文关键词: universal filtered multi-carrier (UFMC), inter-carrier interference ( ICI), inter-subband interference (IBI), complex weighted matrix interleaving mapping (CWMIM) |
| 基金项目: |
| Author Name | Affiliation | | WANG Yunzhe(王蕴哲) | (School of Electrical and Electronic Engineering, Shanghai University of Engineering Science, Shanghai 201620, P. R. China) | | MA Tianming | | | JIN Jie | | | WU Zhong | |
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| 中文摘要: |
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| 英文摘要: |
| In response to the problem of inter-carrier interference ( ICI) and inter-subband interference (IBI) in the received signals of universal filtered multi-carrier (UFMC) systems, a novel interference suppression design scheme applying the method of complex weighted matrix inter-leaving mapping (CWMIM) is proposed on the basis of the existing suppression scheme of conjugate weighted butterfly interleaving mapping (CWBIM). The proposed scheme performs matrix interleaving mapping on the transmitted signal, which not only improves the carrier interference ratio (CIR) of the received signal by combining the original IBI and ICI terms, but also further inhibits the probability of burst error in the received signal. Meanwhile, the scheme can further decrease the impact of phase rotation errors in the received signal by increasing the number of rotation factors. Theoretical analysis and simulation results demonstrate that compared with CWBIM-UFMC, the proposed CWMIM-UFMC can obtain more effective ICI and IBI suppression and better system bit error rate (BER) performance with only a little bit increase in computational complexity. |
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