An adaptive edge content caching method based on mobility and popularity awareness
A content caching and popularity technology, applied in the field of communications, can solve the problems of content download delay deterioration, inability to reflect popularity, ignoring user mobility and real-time changes in popularity, etc., so as to reduce content download delay and improve edge The effect of cache hit ratio
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[0027] The technical solutions in the embodiments of the present invention will be described clearly and in detail below with reference to the accompanying drawings in the embodiments of the present invention. The described embodiments are only some of the embodiments of the invention.
[0028] The technical scheme that the present invention solves the above-mentioned technical problems is:
[0029] The concepts and models involved in the content of the present invention are as follows:
[0030] 1. Network Model
[0031] Assume an edge-cloud collaborative caching network model, which includes a cloud server and multiple edge nodes. The cloud server contains all content. The edge node consists of base stations and edge servers. The cloud server and edge server communicate using backhaul links to serve content. It is distributed to each edge server, and the edge servers are connected by optical fibers, so that each edge server can communicate with each other.
[0032] 2. Othe...
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