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Reinforcement Learning Based Efficient Underwater Image Communication
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DOI：10.1109/LCOMM.2020.3041937.png)
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摘要
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In this letter, we proposed an efficient underwater acoustic (UWA) image communication algorithm based on reinforcement learning which can improve the image quality while reduce the energy consumption and time delay in fast time variant UWA channels. In the proposed algorithm, the received image quality and other communication performance parameters are estimated at the sink continuously and then feedback to the sensor by an independent channel in order to avoid bandwidth loss caused by large time delay. At the sensor, the most suitable modulation and coding method is chosen to maximize a special designed value function in order to achieve the best efficient underwater image communication. Sea test results show that the proposed UWA image communication algorithm can reduce the bit-error rate by 3.1 dB, the energy consumption of the sensor by 26.9% and the time delay by 58.2%. The proposed algorithm can also shorten the convergence time by 47.4% compared with the model-free reinforcement learning underwater communication algorithm.
Keyword:
Image communication
Image coding
Modulation
Image quality
Watermarking
Delay effects
Prediction algorithms
Reinforcement learning
adaptive modulation and coding
underwater image communication
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期刊
IF:
4.4
论文数:
1.3W
被引数:
2.2W
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分享收藏Reinforcement Learning-Based Adaptive Modulation and Coding for Efficient Underwater Communications.png)
IEEE ACCESS
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IEEE ACCESSIF3.6
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