Mobile network base station cache content placing method based on nearby cache cooperation

A mobile network and cooperative base station technology, applied in the field of mobile network base station cache systems, can solve problems such as limiting system scalability and increasing the complexity of user content transmission.

Active Publication Date: 2016-01-13
XIDIAN UNIV
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  • Claims
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Problems solved by technology

Therefore, network-wide collaboration will increase the complexity of content discovery and transmission by users, limiting the scalability of the system
[0006] To sum up, in the current mobile network base station cache content placement solutions, there is no effective use of adjacent base stations to delineate the scope of cooperation to achieve optimal cache content placement

Method used

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  • Mobile network base station cache content placing method based on nearby cache cooperation
  • Mobile network base station cache content placing method based on nearby cache cooperation
  • Mobile network base station cache content placing method based on nearby cache cooperation

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Embodiment Construction

[0047] The present invention will be further described below in conjunction with the accompanying drawings. It should be noted that this embodiment is based on the technical solution, and provides detailed implementation and specific operation process, but the protection scope of the present invention is not limited to the present invention. Example.

[0048] The invention utilizes the X2 interface between base stations to transmit content data, and improves content distribution efficiency through collaborative storage between similar base stations. When the user request misses in the cache of the local base station, the user request is forwarded to a nearby cooperative base station, and the latter responds and directly transmits it to the requesting base station through the X2 interface. By delimiting the appropriate cooperation range, avoiding redundant data storage by similar base stations, thereby improving the utilization rate of cache storage space and storing content di...

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Abstract

The invention discloses a mobile network base station cache content placing method based on nearby cache cooperation. The method comprises the specific steps of determining a cooperative base station set of each base station; constructing a system model graph G; collecting statistics for network situation information; allocating a base station cache space based on the system model graph and the network situation information; and periodically executing the front four steps to allocate the base station cache space. By adopting the method, the allocation problem of contents stored in caches based on the nearby cache cooperation condition in a mobile network base station cache system is mainly solved, the content hit rate of the base station cache system is obviously improved, the response delay when a user requests contents is reduced, and the performance of the mobile network base station cache system is promoted.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a mobile network base station caching system deployed in a mobile network base station to serve content requests of mobile users. Background technique [0002] With the substantial increase of mobile network access bandwidth, content-oriented service traffic (such as network video, etc.) in the mobile network increases rapidly. The existing centralized mobile network architecture is not capable of large-scale data transmission. In order to improve the mobile network's support for services such as online video, deploying a cache at the base station of the mobile network and serving content requests from users through the cache is an effective means to achieve efficient content distribution on the mobile network. Compared with traditional cache-based content distribution systems, such as content distribution networks, the deployment of caches in mobile network base stations mai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
CPCH04L67/56H04L67/568
Inventor 刘佳宜杨清海
Owner XIDIAN UNIV
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