1.桂林电子科技大学无线宽带通信与信号处理重点实验室,广西 桂林 541004
2.北京邮电大学网络与交换技术重点实验室,北京 100876
[ "郑飞(1982- ),男,江西吉安人,博士,桂林电子科技大学副教授、硕士生导师,主要研究方向为卫星通信网、电力通信网、资源管理、移动边缘计算、确定性传输、路由规划及协议、AI大模型算法应用。" ]
[ "吴东颖(2002- ),女,河北沧州人,桂林电子科技大学硕士生,主要研究方向为语义通信、资源管理、AI大模型算法应用。" ]
[ "李世超(1986- ),男,甘肃兰州人,博士,桂林电子科技大学副教授、硕士生导师,主要研究方向为6G无线通信、车联网、移动边缘计算、空天地一体化网络、深度强化学习。" ]
[ "仇洪冰(1963- ),男,江苏如皋人,博士,桂林电子科技大学教授、博士生导师,主要研究方向为宽带无线通信、通信感知一体化、通信信号处理、通信网络。" ]
[ "邵苏杰(1985- ),男,陕西汉中人,博士,北京邮电大学副教授、博士生导师,主要研究方向为网络管理,能源互联网信息通信,边缘计算。" ]
[ "喻鹏(1986- ),男,湖北随州人,博士,北京邮电大学副教授、博士生导师,主要研究方向为B5G/6G网络智能管控,多媒体通信管控,绿色通信,智能电网通信网运维。" ]
[ "丰雷(1987- ),男,北京人,博士,北京邮电大学副教授、博士生导师,主要研究方向为网络智能管理、能源互联网信息通信。" ]
[ "赵继龙(2001- ),男,山东潍坊人,桂林电子科技大学硕士生,主要研究方向为卫星通信网络资源管理、边缘计算、强化学习和人工智能。" ]
收稿:2026-03-18,
修回:2026-04-26,
录用:2026-04-27,
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郑飞, 吴东颖, 李世超, 等. 基于轻量化Swin Transformer的资源自适应语义压缩策略[J/OL]. 通信学报, 2026.
ZHENG Fei, WU Dongying, LI Shichao, et al. A Lightweight Swin Transformer-Based Resource-Adaptive Semantic Compression Strategy[J/OL]. Journal on Communications, 2026.
郑飞, 吴东颖, 李世超, 等. 基于轻量化Swin Transformer的资源自适应语义压缩策略[J/OL]. 通信学报, 2026. DOI: 10.11959/j.issn.1000-436x.TXXB260128.
ZHENG Fei, WU Dongying, LI Shichao, et al. A Lightweight Swin Transformer-Based Resource-Adaptive Semantic Compression Strategy[J/OL]. Journal on Communications, 2026. DOI: 10.11959/j.issn.1000-436x.TXXB260128.
在面向多终端的下行语义通信场景中,由于终端算力的差异性,采用统一的语义压缩比提取语义信息,会造成低算力终端难以完成语义解码,而高算力终端的算力资源未充分利用、语义数据不够精炼的问题。为解决上述问题,针对有限的终端算力资源和链路带宽,本文提出了一种基于轻量化Swin Transformer的资源自适应语义压缩策略,用门控网络和稀疏注意力机制改进了语义编码器结构,为终端定制差异化语义压缩比,以最小化系统总能耗为优化目标,构建联合算力和带宽分配模型,采用近端策略优化(Proximal Policy Optimization
PPO)算法求解优化问题。仿真结果表明,与固定语义压缩比方案相比,所提策略的系统总能耗降低了39%。
In multi-terminal downlink semantic communication scenarios
employing a uniform semantic compression ratio caused difficulty in semantic decoding for low-computing-power terminals
as well as underutilized computing power resources and insufficiently refined semantic data for high-computing-power terminals. To address this issue under constraints of limited terminal computing power and link bandwidth
this paper proposed a lightweight Swin Transformer-based resource-adaptive semantic compression strategy. The semantic encoder integrated a gating network and a sparse attention mechanism to customize differentiated semantic compression ratios for individual terminals. A joint computing and bandwidth allocation model was formulated to minimize total system energy consumption. The proximal policy optimization (PPO) algorithm was employed to solve the optimization problem. Simulation results demonstrate that
compared with fixed compression ratio schemes
the proposed strategy reduces total system energy consumption by 39%.
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