الملخص

Directional multi-transmitter localization from sparse received-power observations is difficult because the receiver observes only the source-unresolved aggregate field: multiple directional sources superpose, building blockage fragments their visible regions, and stronger sources can mask weaker ones. We present SymNetPro, which retains the dual-task radio-map reconstruction and localization backbone of SymNet and adds two targeted components. First, a sparse line-of-sight (LOS)-aware attention bias injects obstruction-aware spatial relations into selected token interactions. Second, transmitter-drop augmentation recomposes training scenes after removing one sample-supported transmitter, exposing the model to controlled source-cardinality variation. Experiments on directional ray-traced urban environments show substantially lower OSPA than representative localization baselines under extreme sparse sampling, with consistent gains under measurement noise and increasing transmitter count. A transmitter-specific evidence analysis further shows that remaining misses concentrate in regimes where the target contributes little distinguishable power to the aggregate observation.

الكلمات المفتاحية

الموضوع

بيانات النشر

المجلة
غير متاح
وصول مفتوح
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اقتبس هذه المقالة

APA 7

Ye, L., Fan, H., & Huang, Y. (2026). SymNetPro: LOS-Aware Directional Multi-Transmitter Localization from Sparse Radio Observations. https://omanscience.com/ar/articles/symnetpro-los-aware-directional-multi-transmitter-localization-from-sparse-radio-observations

MLA 9

Ye, Lyuzhou, et al. "SymNetPro: LOS-Aware Directional Multi-Transmitter Localization from Sparse Radio Observations." https://omanscience.com/ar/articles/symnetpro-los-aware-directional-multi-transmitter-localization-from-sparse-radio-observations.

شيكاغو (المؤلف–التاريخ)

Ye, Lyuzhou, Heng Fan, and Yan Huang. 2026. "SymNetPro: LOS-Aware Directional Multi-Transmitter Localization from Sparse Radio Observations." https://omanscience.com/ar/articles/symnetpro-los-aware-directional-multi-transmitter-localization-from-sparse-radio-observations.

هارفارد

Ye, L., Fan, H. and Huang, Y. (2026) 'SymNetPro: LOS-Aware Directional Multi-Transmitter Localization from Sparse Radio Observations', Available at: https://omanscience.com/ar/articles/symnetpro-los-aware-directional-multi-transmitter-localization-from-sparse-radio-observations.

فانكوفر

Ye L, Fan H, Huang Y. SymNetPro: LOS-Aware Directional Multi-Transmitter Localization from Sparse Radio Observations. https://omanscience.com/ar/articles/symnetpro-los-aware-directional-multi-transmitter-localization-from-sparse-radio-observations

IEEE

L. Ye, H. Fan, and Y. Huang, "SymNetPro: LOS-Aware Directional Multi-Transmitter Localization from Sparse Radio Observations," https://omanscience.com/ar/articles/symnetpro-los-aware-directional-multi-transmitter-localization-from-sparse-radio-observations.