Real-Time Communication-Aware Ride-Sharing Route Planning for Urban Air Mobility: A Multi-Source Hybrid Attention Reinforcement Learning Approach

• URL: http://arxiv.org/abs/2507.14249v1
• Date: Fri, 18 Jul 2025 06:09:30 GMT
• Title: Real-Time Communication-Aware Ride-Sharing Route Planning for Urban Air Mobility: A Multi-Source Hybrid Attention Reinforcement Learning Approach
• Authors: Yuejiao Xie, Maonan Wang, Di Zhou, Man-On Pun, Zhu Han,
• Abstract summary: Urban Air Mobility (UAM) systems are rapidly emerging as promising solutions to alleviate urban congestion.<n>Unlike ground transportation, UAM trajectory planning has to prioritize communication quality for accurate location tracking.<n>This work proposes constructing a radio map to evaluate the communication quality of urban airspace.
• Score: 27.425849779266613
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Urban Air Mobility (UAM) systems are rapidly emerging as promising solutions to alleviate urban congestion, with path planning becoming a key focus area. Unlike ground transportation, UAM trajectory planning has to prioritize communication quality for accurate location tracking in constantly changing environments to ensure safety. Meanwhile, a UAM system, serving as an air taxi, requires adaptive planning to respond to real-time passenger requests, especially in ride-sharing scenarios where passenger demands are unpredictable and dynamic. However, conventional trajectory planning strategies based on predefined routes lack the flexibility to meet varied passenger ride demands. To address these challenges, this work first proposes constructing a radio map to evaluate the communication quality of urban airspace. Building on this, we introduce a novel Multi-Source Hybrid Attention Reinforcement Learning (MSHA-RL) framework for the challenge of effectively focusing on passengers and UAM locations, which arises from the significant dimensional disparity between the representations. This model first generates the alignment among diverse data sources with large gap dimensions before employing hybrid attention to balance global and local insights, thereby facilitating responsive, real-time path planning. Extensive experimental results demonstrate that the approach enables communication-compliant trajectory planning, reducing travel time and enhancing operational efficiency while prioritizing passenger safety.

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