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How Often Channel Estimation is Required for Adaptive IRS Beamforming: A Bilevel Deep Reinforcement Learning Approach.
Jie Zhang
Zhe Wang
Jun Li
Qingqing Wu
Wen Chen
Feng Shu
Shi Jin
Published in:
IEEE Trans. Wirel. Commun. (2024)
Keyphrases
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reinforcement learning
channel estimation
communication systems
cdma systems
ofdm system
multipath
multiple input multiple output
computer simulation
learning algorithm
function approximation
bit error rate
fading channels
frequency selective
frequency domain
computer networks
adaptive filtering