期刊
IEEE WIRELESS COMMUNICATIONS LETTERS
卷 11, 期 6, 页码 1248-1252出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LWC.2022.3163268
关键词
Monitoring; Eavesdropping; Interference; Trajectory; Radio frequency; Autonomous aerial vehicles; Training; Reinforcement learning; passive eavesdropping; deep Q-network; massive MIMO-OFDM; hybrid beamforming
资金
- National Key R&D Program of China [2019YFE0113200]
- National Natural Science Foundation of China [U1936201, 62072229, 62071220, 61976113]
This letter investigates passive eavesdropping scheme in massive MIMO-OFDM systems by utilizing mobility of the monitor, aiming to maximize the eavesdropping rate by optimizing receiving beamformers and moving trajectory. The proposed solution based on concatenated deep Q-network (DQN) is validated to be effective through simulation results.
Massive multiple-input-multiple-output (MIMO) with narrow beam enhances the confidentiality of communication between base station and users, but also increases the difficulty for legal eavesdropping. In this letter, we study the passive eavesdropping scheme in the massive MIMO-OFDM systems by utilizing mobility of the monitor. Our objective is to maximize the average eavesdropping rate under the constraints of energy supply, moving direction and speed by jointly optimizing the receiving beamformers and moving trajectory. Due to the unknown environment knowledge and location of suspicious user, we propose the solution based on concatenated deep Q-network (DQN) to obtain the optimal solution. Simulation results verify the validity of the proposed method.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据