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Hang Seng University of Hong Kong

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Representative Papers

Joint Power and Mobility Control

Dec 12, 2025

To address degraded connectivity in autonomous driving V2X networks caused by dynamic interference, this paper proposes a joint trajectory and transmit power optimization framework. Methodologically, it innovatively models the signal-to-interference-plus-noise ratio (SINR) as a differentiable sigmoid function to explicitly capture power-dependent effects and—uniquely—rigorously proves the concavity of the multi-node network utility maximization (NUM) problem, enabling distributed cooperative optimization. A joint algorithm is designed based on an SINR-based link reception model to co-optimize vehicle trajectories and transmission power. Experimental results demonstrate that, under interference-constrained conditions, the proposed method improves packet reception rate by over 40% compared to baseline schemes. Furthermore, symmetric node placement and balanced power allocation significantly enhance overall network connectivity.

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Latest Papers

Joint Power and Mobility Control

Dec 12, 2025

To address degraded connectivity in autonomous driving V2X networks caused by dynamic interference, this paper proposes a joint trajectory and transmit power optimization framework. Methodologically, it innovatively models the signal-to-interference-plus-noise ratio (SINR) as a differentiable sigmoid function to explicitly capture power-dependent effects and—uniquely—rigorously proves the concavity of the multi-node network utility maximization (NUM) problem, enabling distributed cooperative optimization. A joint algorithm is designed based on an SINR-based link reception model to co-optimize vehicle trajectories and transmission power. Experimental results demonstrate that, under interference-constrained conditions, the proposed method improves packet reception rate by over 40% compared to baseline schemes. Furthermore, symmetric node placement and balanced power allocation significantly enhance overall network connectivity.

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