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- W4312447795 abstract "We consider a scenario that utilizes road side units (RSUs) as distributed caches in connected vehicular networks. The goal of the use of caches in our scenario is for rapidly providing contents to connected vehicles under various traffic conditions. During this operation, due to the rapidly changed road environment and user mobility, the concept of age-of-information (AoI) is considered for (1) updating the cached information as well as (2) maintaining the freshness of cached information. The frequent updates of cached information maintain the freshness of the information at the expense of network resources. Here, the frequent updates increase the number of data transmissions between RSUs and MBS; and thus, it increases system costs, consequently. Therefore, the tradeoff exists between the AoI of cached information and the system costs. Based on this observation, the proposed algorithm in this paper aims at the system cost reduction which is fundamentally required for content delivery while minimizing the content AoI, based on Markov Decision Process (MDP) and Lyapunov optimization." @default.
- W4312447795 created "2023-01-04" @default.
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- W4312447795 date "2022-07-01" @default.
- W4312447795 modified "2023-10-16" @default.
- W4312447795 title "AoI-Aware Markov Decision Policies for Caching" @default.
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- W4312447795 doi "https://doi.org/10.1109/icdcs54860.2022.00130" @default.
- W4312447795 hasPublicationYear "2022" @default.
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