9 papers
Utility-Aware DRL-Based TXOP Adaptation for NR-U and Wi-Fi Coexistence Networks
Po-Heng Chou, Yi-Fang Yu, Shou-Yu Chen +1
The coexistence of NR-U and Wi-Fi in the unlicensed spectrum introduces a challenging resource management problem, where heterogeneous channel access mechanisms can lead to unbalan…
Dueling DDQN-Based Adaptive Multi-Objective Handover Optimization for LEO Satellite Networks
Po-Heng Chou, Chiapin Wang, Chung-Chi Huang +1
In this paper, we propose a dueling double deep Q-network (DDQN)-based adaptive multi-objective handover framework for low Earth orbit (LEO) satellite networks. The proposed method…
Reduced-Feedback Hybrid Precoding for Wideband mmWave MIMO-OFDM Systems
Po-Heng Chou, Jia-Qing Lin, Wan-Jen Huang +1
In this paper, we propose a feedback-efficient hybrid precoding framework for wideband millimeter-wave (mmWave) multiple-input multiple-output orthogonal frequency-division multipl…
Spatial-Temporal Learning-Based Distributed Routing for Dynamic LEO Satellite Networks
Po-Heng Chou, Chiapin Wang, Shou-Yu Chen +1
In this paper, we propose a spatial-temporal learning-based distributed routing framework for dynamic Low Earth Orbit (LEO) satellite networks, where graph attention networks (GAT)…
DRL-Based Beam Positioning for LEO Satellite Constellations with Weighted Least Squares
Po-Heng Chou, Chiapin Wang, Kuan-Hao Chen +1
This paper investigates a lightweight deep reinforcement learning (DRL)-assisted weighting framework for CSI-free multi-satellite positioning in LEO constellations, where each visi…
Sustainable LSTM-Based Precoding for RIS-Aided mmWave MIMO Systems with Implicit CSI
Po-Heng Chou, Jiun-Jia Wu, Wan-Jen Huang +1
In this paper, we propose a sustainable long short-term memory (LSTM)-based precoding framework for reconfigurable intelligent surface (RIS)-assisted millimeter-wave (mmWave) MIMO…