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- W4312376633 abstract "The Internet of underwater things (IoUT) is envisioned to be an essential part of maritime activities. Given the IoUT devices’ wide-area distribution and constrained transmit power, autonomous underwater vehicles (AUVs) have been widely adopted for collecting and forwarding the data sensed by IoUT devices to the surface-stations. In order to accommodate the diverse requirements of IoUT applications, it is imperative to conceive a multi-tier underwater computing (MTUC) framework by carefully harnessing both the computing and the communications as well as the storage resources of both the surface-station and of the AUVs as well as of the IoUT devices. Furthermore, to meet the stringent energy constraints of the IoUT devices and to reduce the operating cost of the MTUC framework, a joint environment-aware AUV trajectory design and resource management problem is formulated, which is a high-dimensional NP-hard problem. To tackle this challenge, we first transform the problem into a Markov decision process (MDP) and solve it with the aid of the asynchronous advantage actor-critic (A3C) algorithm. Our simulation results demonstrate the superiority of our scheme." @default.
- W4312376633 created "2023-01-04" @default.
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- W4312376633 date "2023-02-01" @default.
- W4312376633 modified "2023-10-11" @default.
- W4312376633 title "Environment-Aware AUV Trajectory Design and Resource Management for Multi-Tier Underwater Computing" @default.
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- W4312376633 doi "https://doi.org/10.1109/jsac.2022.3227103" @default.
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