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Qihui Wu

4 papers indexed

arxiveess.SPcs.IT2026-07-20

Radio Map Updating from Streaming Spectrum Measurements via Memory-Based Online Gaussian Processes

Yuanyuan Deng, Bo Zhou, Tian Chen, Shijian Gao, Jia Yan, Lantu Guo, et al.

Radio maps, which estimate spatial radio-frequency characteristics from spectrum measurements, are essential for applications such as spectrum management and network planning. With the continuous arrival of spectrum measurements, conventional batch processing methods for radio ma…

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arxivcs.ROcs.CV2026-07-10

RASR: Range-Aware Scale Recovery for Metric UAV Navigation

Hongtao Liang, Xinyu Shao, Chenxu Wang, Yiyao Wan, Jiahuan Ji, Fangwei Ye, et al.

A central challenge in image-goal UAV navigation under Global Navigation Satellite System (GNSS) denial is estimating metric distance and heading between current and goal views. Dense pairwise geometry models capture relative scene structure, but without a calibrated metric scale…

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arxiveess.SP2026-07-03

Sensing-Aided Channel Estimation for Near-Field MIMO ISAC Systems via Cross-Attention Transformer

Peihao Dong, Renbin Li, Shen Gao, Shuangshuang Li, Fuhui Zhou, Wei Xu, et al.

Near-field integrated sensing and communication (ISAC) can deliver the high spatial resolution and transmission capability with the shared spectrum and hardware. Due to the partial overlap between communication scatterers and radar targets, the sensing information can provide val…

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