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CoSCF: Gradient-Aware Surrogate Optimization for Task-Oriented Collaborative Sensing

delete2026-10-21
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PRE
AI
Y
Yiyun Zhang
G
Gongpu Wang
F
Feifei Gao
R
Ruisi He
艾
艾渤 (Bo Ai)
DOI:10.1109/lcomm.2026.3745632delete
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摘要

摘要

En 中文
多视角WiFi感知增强了相对于单链路感知的鲁棒性,但传输所有中间特征会带来高昂的通信开销。现有压缩方法缺乏量化各视角任务相关性的机制,导致面向任务的感知中均匀压缩效率低下。因此,我们将多视角协同感知表述为双层问题,并提出CoSCF,它优化该问题的单层代理而非精确求解。训练过程中,采用两阶段梯度反馈机制将任务目标反向传播,以衡量每个特征通道的判别性贡献,并指导边缘设备执行可微的、自适应的比特分配和通道稀疏化。实验结果表明,在严格的带宽约束下,CoSCF实现了卓越的任务性能,并显著优于基于数据重建和特征压缩的现有方法。
Keyword:
Channel state information (CSI)
differentiable communication control
edge-cloud collaboration
multi-view inference
task-aware compression
WiFi sensing

期刊

IEEE Communications Letters 封面图
IEEE Communications Letters
IF:
4.4
论文数:
1.3W
被引数:
2.4W

机构

B
Beijing Jiaotong University
学者数:
2.2K
论文数: 699
被引数: 3
引用论文

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