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- W3174170930 abstract "Edge intelligence, a new paradigm to accelerate artificial intelligence (AI) applications by leveraging computing resources on the network edge, can be used to improve intelligent transportation systems (ITS). However, due to physical limitations and energy-supply constraints, the computing powers of edge equipment are usually limited. High altitude platform station (HAPS) computing can be considered to be a promising extension of edge computing. HAPS is deployed in the stratosphere to provide wide coverage and strong computational capabilities. It is suitable to coordinate terrestrial resources and store the fundamental data associated with ITS-based applications. In this work, three computing layers, i.e., vehicles, terrestrial network edges, and HAPS, are integrated to build a computation framework for ITS, where the HAPS data library stores the fundamental data needed for the applications. In addition, the caching technique is introduced for network edges to store some of the fundamental data from the HAPS so that large transmission delays can be reduced. We aim to minimize the delay of the system by optimizing computation offloading and caching decisions as well as bandwidth and computing resource allocations. The simulation results highlight the benefits of HAPS computing for mitigating delays and the significance of caching at network edges." @default.
- W3174170930 created "2021-07-05" @default.
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- W3174170930 date "2022-11-01" @default.
- W3174170930 modified "2023-10-11" @default.
- W3174170930 title "Caching and Computation Offloading in High Altitude Platform Station (HAPS) Assisted Intelligent Transportation Systems" @default.
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- W3174170930 doi "https://doi.org/10.1109/twc.2022.3171824" @default.
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