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学者姓名：陈平平
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传统的可重构智能表面辅助的空间调制(RIS-SM)通信系统利用接收天线的索引来传输额外的信息比特，因此该系统数据传输速率的提升是以增加接收机天线数为代价。为了提高RIS-SM系统的数据传输速率和能量效率，该文提出可重构智能表面辅助的联合空间和码索引调制(RIS-JSCIM)通信系统。该系统利用多元正交幅度调制(M-QAM)符号、空域的接收天线索引和码索引传输信息比特。天线索引和码索引传输的信息比特不需要消耗能量，因此RIS-JSCIM系统能够获得良好的能量效率。该文对比了RIS-JSCIM系统和其他系统的能量效率、系统复杂度和误码率性能。对比结果表明，所提RIS-JSCIM系统以增加一定复杂度为代价，能够获得相比于其他系统更优异的能量效率和误码率性能。
Keyword ：
可重构智能表面 可重构智能表面 多元正交振幅调制 多元正交振幅调制 扩频 扩频 码索引调制 码索引调制 空间调制 空间调制
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| GB/T 7714 | 陈平平 , 张云馨 , 杜伟庆 . 可重构智能表面辅助的联合空间和码索引调制通信系统 [J]. | 电子与信息学报 , 2025 , 47 (2) : 1-10 . |
| MLA | 陈平平 等. "可重构智能表面辅助的联合空间和码索引调制通信系统" . | 电子与信息学报 47 . 2 (2025) : 1-10 . |
| APA | 陈平平 , 张云馨 , 杜伟庆 . 可重构智能表面辅助的联合空间和码索引调制通信系统 . | 电子与信息学报 , 2025 , 47 (2) , 1-10 . |
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With the rapid development of mobile networks and devices, real-time video transmission has become increasingly important worldwide. Constrained by the bandwidth limitations of single networks, extensive research has shifted towards video transmission in multi-network environments. However, differences in bandwidth and latency in heterogeneous networks (such as LTE and Wi-Fi) lead to high latency and packet loss issues, severely affecting video quality and user experience. This paper proposes a Forward Error Correction (FEC)-based Low-Delay Multipath Scheduling algorithm (LDMP-FEC). This algorithm combines the Gilbert model with a continuous Markov chain to adaptively adjust FEC redundancy, thereby enhancing data integrity. Through the FEC Recovery Priority Scheduling (FEC-RPS) algorithm, it dynamically optimizes the transmission order of data packets, reducing the number of out-of-order packets (OFO-packets) and end-to-end latency. Experimental results show that LDMP-FEC significantly reduces the number of out-of-order packets in heterogeneous network environments, improving performance by 50% compared to the round-robin and MinRtt algorithms, while maintaining end-to-end latency within 150 ms. Under various packet loss conditions, LDMP-FEC sustains a playable frame rate (PFR) above 90% and a Peak Signal-to-Noise Ratio (PSNR) exceeding 35 dB, providing an efficient and reliable solution for real-time video and other low-latency applications.
Keyword ：
FEC FEC heterogeneous networks heterogeneous networks multipath multipath OFO-packets OFO-packets round robin round robin video transmission video transmission
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| GB/T 7714 | Gao, Tingjin , Chen, Feng , Chen, Pingping . LDMP-FEC: A Real-Time Low-Latency Scheduling Algorithm for Video Transmission in Heterogeneous Networks [J]. | ELECTRONICS , 2025 , 14 (3) . |
| MLA | Gao, Tingjin 等. "LDMP-FEC: A Real-Time Low-Latency Scheduling Algorithm for Video Transmission in Heterogeneous Networks" . | ELECTRONICS 14 . 3 (2025) . |
| APA | Gao, Tingjin , Chen, Feng , Chen, Pingping . LDMP-FEC: A Real-Time Low-Latency Scheduling Algorithm for Video Transmission in Heterogeneous Networks . | ELECTRONICS , 2025 , 14 (3) . |
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In this paper, we propose a joint differential pulse position modulation and differential chaos shift key modulation (DPPM-DCSK), where one bit modulates the reference PPM signal by chaotic signal, and the other $m_{c}$ bits are mapped by the position index of this chaotic pulse in the information signal. In particular, in the DPPM-DCSK, the information-carrying PPM signal for the current symbol also serves as the reference for the next symbol. It can avoid the energy and rate wastes in the conventional PPM-DCSK. Moreover, we redesign the differential Walsh codes (WC) for DPPM-DCSK to enable multi-user communications. The numerical bit-error-rate (BER) performance of the proposed DPPM-DCSK-WC over multipath Rayleigh fading channels are derived and then verified by simulations. The results demonstrate that the DPPM-DCSK-WC can achieve performance gains of more than 2 dB over the conventional PPM-DCSK and DDCSK-WC for multi-user scenarios, and this gain can be up to 5 dB in the high-delay channels at a BER of ${{10}^{-4}}$. In addition, the superior performance of the proposed scheme is proved over ultra-wideband (UWB) wireless channels, which indicates its great potential for chaotic-based wireless applications. IEEE
Keyword ：
Chaotic communication Chaotic communication Codes Codes differential chaos shift keying (DCSK) differential chaos shift keying (DCSK) Indexes Indexes Modulation Modulation multi-access multi-access pulse position modulation(PPM) pulse position modulation(PPM) Symbols Symbols Transmitters Transmitters Walsh code (WC) Walsh code (WC) Wireless communication Wireless communication
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| GB/T 7714 | Wu, L. , Yin, X. , Chen, H. et al. Differential Pulse-Position Modulation for Multi-User Chaotic Communication [J]. | IEEE Transactions on Vehicular Technology , 2024 , 73 (8) : 1-15 . |
| MLA | Wu, L. et al. "Differential Pulse-Position Modulation for Multi-User Chaotic Communication" . | IEEE Transactions on Vehicular Technology 73 . 8 (2024) : 1-15 . |
| APA | Wu, L. , Yin, X. , Chen, H. , Chen, P. , Fang, Y. . Differential Pulse-Position Modulation for Multi-User Chaotic Communication . | IEEE Transactions on Vehicular Technology , 2024 , 73 (8) , 1-15 . |
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In this paper, we propose a polarization-aided polar coding scheme over non-orthogonal multiple access channels operated with physical-layer network coding (PN-NOMA), where M users adopt polar coding for transmission. By exploiting the characteristic of PNC and polar encoding, we found that the polar code at the users can be seen as nested codes and sub-codeword of a larger polar code. It enables us to construct a single (virtual) polar code at the receiver, which has the length M times longer than that of the original user codes. In this way, we can decode all the user messages within this single polar code. The channel polarization effect as well as the decoding performance can be improved. We further propose a Monte Carlo-based code construction for the virtual polar code with user channel coefficients, and short nested user codes can be individually derived from this code. Simulation results show that the proposed PN-NOMA can achieve significant performance gains of more than 0.5 dB as compared to conventional polar-coded NOMA (PC-NOMA) over power-imbalanced channels, and this gain is more than 2 dB over Rayleigh fading channels. IEEE
Keyword ：
channel coefficients channel coefficients channel polarization effect channel polarization effect Codes Codes Decoding Decoding Encoding Encoding Gain Gain NOMA NOMA non-orthogonal multiple access non-orthogonal multiple access physical layer network coding physical layer network coding Polar codes Polar codes Polar coding Polar coding Receivers Receivers
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| GB/T 7714 | Xie, Z. , Chen, P. , Fang, Y. et al. Polarization-Aided Coding for Non-Orthogonal Multiple Access [J]. | IEEE Internet of Things Journal , 2024 , 11 (17) : 1-1 . |
| MLA | Xie, Z. et al. "Polarization-Aided Coding for Non-Orthogonal Multiple Access" . | IEEE Internet of Things Journal 11 . 17 (2024) : 1-1 . |
| APA | Xie, Z. , Chen, P. , Fang, Y. , Chen, Q. . Polarization-Aided Coding for Non-Orthogonal Multiple Access . | IEEE Internet of Things Journal , 2024 , 11 (17) , 1-1 . |
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In this paper, we investigate the performance of physical-layer network coding (PNC) with hierarchical modulation (HM) over a two-way relay channel (TWRC). While Gray mapping is the optimal for bit-interleaved coded modulation (BICM) systems in point-to-point communications, the superimposed constellation at the relay in PNC transmission does not maintain the same characteristics as the original Gray mapping at the users. Thus, to address this issue and obtain the optimal mapping for PNC, we propose a Pseudo-Gray (Pe-Gray) constellation for user-end hierarchical quadrature amplitude modulation (H-QAM). In particular, we develop the design criterion for the user constellation to avoid demodulation ambiguity and more importantly, to ensure that the superimposed constellation can be Gray-mapped. The achievable rate analysis and simulation results show that the proposed Pe-Gray can achieve significant performance gains of up to 2 dB over the conventional Gray, M3, and MSED constellations in power-imbalanced HM-BICM-PNC. The performance superiority of the Pe-Gray is further demonstrated over the power-imbalanced channels, which also suggests its enhanced robustness in wireless fading channels. IEEE
Keyword ：
Decoding Decoding Demodulation Demodulation Hierarchical modulation (HM) Hierarchical modulation (HM) Modulation Modulation Parity check codes Parity check codes physical-layer network coding (PNC) physical-layer network coding (PNC) Quadrature amplitude modulation Quadrature amplitude modulation Relays Relays Symbols Symbols two-way relay channel (TWRC two-way relay channel (TWRC
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| GB/T 7714 | Chen, P. , Lin, Y. , Zeng, H. et al. Optimization of Hierarchical Modulated and LDPC-Coded BICM With Physical-Layer Network Coding [J]. | IEEE Internet of Things Journal , 2024 , 11 (21) : 1-1 . |
| MLA | Chen, P. et al. "Optimization of Hierarchical Modulated and LDPC-Coded BICM With Physical-Layer Network Coding" . | IEEE Internet of Things Journal 11 . 21 (2024) : 1-1 . |
| APA | Chen, P. , Lin, Y. , Zeng, H. , Fang, Y. , Xie, Z. , Lau, F.C.M. . Optimization of Hierarchical Modulated and LDPC-Coded BICM With Physical-Layer Network Coding . | IEEE Internet of Things Journal , 2024 , 11 (21) , 1-1 . |
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In this paper, we propose a deep learning-based sparse code multiple access multi-user multi-carrier differential chaos shift keying (DL-SCMA-MU-MC-DCSK) system, for the sake of improving the spectrum efficiency (SE) and bit-to-error (BER) performance. In the proposed system, the transmitted symbols of each user are mapped to complex codewords which are randomly generated from a complex normal distribution, and the codewords overlap on sub-carriers in a non-orthogonal way for the sparsity. Subsequently, the real and imaginary parts of the resultant complex codewords are modulated by the chaotic signal and its Hilbert-transform version, respectively. At the receiver, after correlation demodulation, a deep learning-based decorder consisting of deep neural network (DNN) is adopted to recover the transmitted data. We also compare the SE, energy efficiency (EE), and complexity with benchmark systems. Simulation results demonstrate the superiority of the proposed system in terms of bit-error-rate (BER) performance. Therefore, the proposed DL-SCMA-MU-MC-DCSK system represents a remarkable solution for low-power and cost-effective short-range wireless communication. IEEE
Keyword ：
Chaotic communication Chaotic communication Codes Codes Decoding Decoding deep neural network deep neural network multi-carrier differential chaos shift keying multi-carrier differential chaos shift keying OFDM OFDM Receivers Receivers sparse code multiple access sparse code multiple access Symbols Symbols Wireless communication Wireless communication
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| GB/T 7714 | Duan, C. , Fang, Y. , Ma, H. et al. An Enhanced Multi-User Differential Chaos Shift Keying System with Intelligent Sparse Code Multiple Access [J]. | IEEE Transactions on Vehicular Technology , 2024 , 73 (12) : 1-5 . |
| MLA | Duan, C. et al. "An Enhanced Multi-User Differential Chaos Shift Keying System with Intelligent Sparse Code Multiple Access" . | IEEE Transactions on Vehicular Technology 73 . 12 (2024) : 1-5 . |
| APA | Duan, C. , Fang, Y. , Ma, H. , Chen, P. , Dou, Q. . An Enhanced Multi-User Differential Chaos Shift Keying System with Intelligent Sparse Code Multiple Access . | IEEE Transactions on Vehicular Technology , 2024 , 73 (12) , 1-5 . |
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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 4dB gain over its counterparts. IEEE
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, C. , Cai, X. , Kang, P. et al. Exploiting Activation Mode Index for Reconfigurable Intelligent Surface-Aided Spatial Modulation [J]. | IEEE Transactions on Vehicular Technology , 2024 , 73 (12) : 1-6 . |
| MLA | Li, C. et al. "Exploiting Activation Mode Index for Reconfigurable Intelligent Surface-Aided Spatial Modulation" . | IEEE Transactions on Vehicular Technology 73 . 12 (2024) : 1-6 . |
| APA | Li, C. , Cai, X. , Kang, P. , Chen, P. . Exploiting Activation Mode Index for Reconfigurable Intelligent Surface-Aided Spatial Modulation . | IEEE Transactions on Vehicular Technology , 2024 , 73 (12) , 1-6 . |
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In this paper, we develop a non-coherent differential chaos shift keying based index modulation by using initial value index (IVI-DCSK) to convey additional information for wireless communications. In the proposed scheme, mc mapped bits are carried by 2mc chaotic sequences by exploiting the quasi-orthogonality of different chaotic signals, while the modulated bit is carried by DCSK. To diminish the multiuser interference, the references allocated to different users are sent in individual time slots, while the information-bearing sequences for the mapped bits of users are sent simultaneously. We then derive the bit error rate (BER) expression of multi-user IVI-DCSK over multipath Rayleigh fading channels. The theoretical and consistent simulation results show that the proposed IVI-DCSK achieves significant gains over the conventional chaotic-based index modulations, i.e., permutation index DCSK (PI-DCSK) and code index modulation DCSK (CIM-DCSK). This gain can be more than 4 dB in fading channels with high multipath delay. In addition, it achieves higher energy and spectral efficiencies over the latter ones. The superiority of the proposed scheme is further verified in practical ultra-wideband (UWB) communications. Thus, this proposed scheme is efficient and promising for chaotic-based low-complexity communications, such as in wireless local area network (WLAN) and indoor applications. IEEE
Keyword ：
Chaotic communication Chaotic communication Codes Codes differential chaos shift keying (DCSK) differential chaos shift keying (DCSK) Indexes Indexes index modulation (IM) index modulation (IM) Modulation Modulation multiple access (MA) multiple access (MA) Symbols Symbols Vectors Vectors Wireless communication Wireless communication
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| GB/T 7714 | Chen, P. , Chen, H. , Shi, L. et al. Initial Chaotic Value-based Index Modulation for Wireless Communications [J]. | IEEE Transactions on Communications , 2024 : 1-1 . |
| MLA | Chen, P. et al. "Initial Chaotic Value-based Index Modulation for Wireless Communications" . | IEEE Transactions on Communications (2024) : 1-1 . |
| APA | Chen, P. , Chen, H. , Shi, L. , Lin, Z. , Li, Y. . Initial Chaotic Value-based Index Modulation for Wireless Communications . | IEEE Transactions on Communications , 2024 , 1-1 . |
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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 IEEE
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, Y. , Xie, Z. , Kang, P. et al. Polar-coded Gaussian Multiple-Access Channels with Physical-Layer Network Coding [J]. | IEEE Transactions on Vehicular Technology , 2024 , 73 (6) : 1-6 . |
| MLA | Qiu, Y. et al. "Polar-coded Gaussian Multiple-Access Channels with Physical-Layer Network Coding" . | IEEE Transactions on Vehicular Technology 73 . 6 (2024) : 1-6 . |
| APA | Qiu, Y. , Xie, Z. , Kang, P. , Chen, P. , Fang, Y. . Polar-coded Gaussian Multiple-Access Channels with Physical-Layer Network Coding . | IEEE Transactions on Vehicular Technology , 2024 , 73 (6) , 1-6 . |
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随着计算机视觉广泛渗透到生产和生活中的各个领域,场景文本识别面临着愈发复杂的考验.纯视觉的场景文本识别模型侧重于构建有效的视觉特征提取网络,而缺乏对文本语义的理解,因此在处理遮挡或模糊文本图像时常遇到瓶颈.针对该问题,提出了一种利用语义信息辅助识别任务的场景文本识别算法.首先通过Transformer视觉编码器ViT提取特征,其次利用双分支结构的特征交互模块增强视觉特征,接着联合动态排列语言模型实现自回归解码.所提出的算法充分利用视觉特征和语义特征,有效地减少了遮挡等复杂文本的识别难度,实现了对场景文本的鲁棒性识别.实验结果表明,所提出的算法在 6个基准数据集上实现了96.65%的平均识别精度,展现了显著的竞争力.
Keyword ：
动态排列语言模型 动态排列语言模型 场景文本识别 场景文本识别 深度学习 深度学习 自回归 自回归
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| GB/T 7714 | 王嘉宝 , 陈宏辉 , 陈平平 . 基于动态排列自回归的场景文本识别网络 [J]. | 信息技术与信息化 , 2024 , (5) : 5-9 . |
| MLA | 王嘉宝 et al. "基于动态排列自回归的场景文本识别网络" . | 信息技术与信息化 5 (2024) : 5-9 . |
| APA | 王嘉宝 , 陈宏辉 , 陈平平 . 基于动态排列自回归的场景文本识别网络 . | 信息技术与信息化 , 2024 , (5) , 5-9 . |
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