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- W4386075130 abstract "In this paper, we consider a two-dimensional caching-aided ultra-dense network caching system, which consists of a server containing N files, K <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>1</inf> K <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</inf> cache nodes that are arranged neatly on the grid with K <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>1</inf> rows and K <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</inf> columns, and U cacheless users randomly distributed around cache nodes. The server connects to users through an error-free shared-link, and the users can be served by nearby cache nodes and freely retrieve the cache content from it. Our goal is to minimize the transmission load in the worst case while meeting all possible users’ demands. We propose a coded caching scheme based on Maddah-Ali and Niesen scheme (MN scheme), which uses the placement strategy of MN scheme to the cache nodes and uses the delivery strategy of MN scheme multiple rounds for different types of users according to their geometrical locations. We prove that our scheme is order optimal and can greatly improve the transmission performance compared with conventional uncoded caching schemes." @default.
- W4386075130 created "2023-08-23" @default.
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- W4386075130 date "2023-06-25" @default.
- W4386075130 modified "2023-09-27" @default.
- W4386075130 title "Coded Caching Scheme for Two-Dimensional Caching-Aided Ultra-Dense Networks" @default.
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- W4386075130 doi "https://doi.org/10.1109/isit54713.2023.10206864" @default.
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