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学者姓名：康芃
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Abstract ：
Reconfigurable intelligent surface (RIS)-aided spatial modulation (RIS-SM) and its variants utilize the indices of receiver antennas and RIS grouping to transmit additional information bits, with the limited performance for large inactivated RIS elements. To address this issue, we propose to exploit an activation mode index for RIS-SM (AMI-RIS-SM), where the RIS can operate in different activation modes during various time slots. In this way, its activation mode index, coupled with the receiver antenna index, can transmit more information bits. Furthermore, we propose maximum likelihood (ML) and low-complexity pre-greedy ML detections to recover the transmitted bits. We then derive the bit error rate (BER) performance of the proposed AMI-RIS-SM. The analytical and consistent simulation results show that the proposed scheme can achieve significant performance of up to a 4 dB gain over its counterparts.
Keyword ：
activation mode index activation mode index Bit error rate Bit error rate Indexes Indexes Modulation Modulation pre-greedy maximum likelihood detection pre-greedy maximum likelihood detection Receiving antennas Receiving antennas Reconfigurable intelligent surface Reconfigurable intelligent surface Slot antennas Slot antennas Symbols Symbols Transmitting antennas Transmitting antennas
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| GB/T 7714 | Li, Can , Cai, Xiangming , Kang, Peng et al. Exploiting Activation Mode Index for Reconfigurable Intelligent Surface-Aided Spatial Modulation [J]. | IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY , 2024 , 73 (12) : 19809-19814 . |
| MLA | Li, Can et al. "Exploiting Activation Mode Index for Reconfigurable Intelligent Surface-Aided Spatial Modulation" . | IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 73 . 12 (2024) : 19809-19814 . |
| APA | Li, Can , Cai, Xiangming , Kang, Peng , Chen, Pingping . Exploiting Activation Mode Index for Reconfigurable Intelligent Surface-Aided Spatial Modulation . | IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY , 2024 , 73 (12) , 19809-19814 . |
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Abstract ：
In this paper, we propose a two-user polar-coded physical-layer network coding (TU-PC-PNC) scheme for the Gaussian multiple access channel (GMAC) to enhance the transmission reliability. We first investigate the characteristics of polar encoding and derive the concatenated codeword structure, by which we can implement the message exclusive OR (XOR)-based PNC via code construction and improve the channel polarization effect. The PNC-aided decoding rule based on the concatenated codeword is then invented to compute the initial messages for recovery. In addition, we introduce the joint optimization framework by Monte Carlo-based method, which can be used to optimize the polar code and power allocation with maximized sum user rate. The capacity analysis of the bit-channels and simulation results show that the proposed TU-PC-PNC can significantly outperform the benchmark scheme by more than 1 dB under the GMAC.
Keyword ：
Decoding Decoding Encoding Encoding Gaussian multiple access channel Gaussian multiple access channel Network coding Network coding Optimization Optimization physical layer network coding physical layer network coding Polar codes Polar codes polar coding polar coding Receivers Receivers Transmitters Transmitters
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| GB/T 7714 | Qiu, Yuping , Xie, Zhaopeng , Kang, Peng et al. Polar-Coded Gaussian Multiple-Access Channels With Physical-Layer Network Coding [J]. | IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY , 2024 , 73 (6) : 9083-9087 . |
| MLA | Qiu, Yuping et al. "Polar-Coded Gaussian Multiple-Access Channels With Physical-Layer Network Coding" . | IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 73 . 6 (2024) : 9083-9087 . |
| APA | Qiu, Yuping , Xie, Zhaopeng , Kang, Peng , Chen, Pingping , Fang, Yi . Polar-Coded Gaussian Multiple-Access Channels With Physical-Layer Network Coding . | IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY , 2024 , 73 (6) , 9083-9087 . |
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