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A user priority-oriented base station collaborative caching method in a dense scene

A priority and user technology, applied in the field of communications, can solve the problems of redundant data in base station buffer units, limited buffer capacity of a single base station, and low base station buffer hit rate, so as to achieve dynamic online adjustment and achieve differentiated services. , reduce the effect of storage redundancy

Active Publication Date: 2019-05-31
XIDIAN UNIV
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  • Claims
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Problems solved by technology

[0004] However, there are the following problems in deploying buffers at the base stations of the wireless network: 1) The buffer capacity of a single base station is limited, so that the hit rate of the base station buffers is not high; 2) Independent storage between base station buffers will cause adjacent base stations A large amount of redundant data is stored in the buffer unit
Therefore, if the user’s priority is not considered, high-paying and low-paying users will be served indiscriminately, which will make high-paying users feel unfair, causing them to no longer purchase high-paying network packages provided by operators, and then loss of operator's profits

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  • A user priority-oriented base station collaborative caching method in a dense scene
  • A user priority-oriented base station collaborative caching method in a dense scene
  • A user priority-oriented base station collaborative caching method in a dense scene

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Embodiment Construction

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] Such as Figure 4 As shown, the scenario used in this embodiment includes one macro base station, three micro base stations and two users in each micro base station in the mobile wireless network. Each base station has a buffer whose size is set to 100. The macro base station can send a command to the micro base station, and the micro base station performs a buffering action according to the command of the macro base station. Communication between the macro base station and the micro base station, between each micro base station, and between each micro base station and its associated users can be performed. Divide users into different priorities according to the network packages they use. There are 6 priority levels of the user in the example of the present invention.

[0031] Assume that in each micro base station, users se...

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Abstract

The invention provides a user priority-oriented base station collaborative caching method in a dense scene. The method mainly solves the problems that the hit rate of user request content in a base station cache is low and high-priority users are unfairly processed due to the fact that user requests are not differentially served in the prior art. According to the implementation scheme, the methodcomprises the following steps: firstly, establishing a deep reinforcement learning model of base station collaborative caching according to request information of all users and information in a base station buffer; performing offline training and learning on the model to obtain a learned deep reinforcement learning model; and finally, carrying out online base station collaborative cache decision at the macro base station by using the learned deep reinforcement learning model. According to the method, the hit rate of the request content of the user in the base station buffer is increased, differentiated services can be provided for the users with different priorities, the internet surfing requirements of the different users can be met, greater benefits can be brought to operators, and the method can be used for accessing resources by the users in a wireless network.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a base station cooperative buffering method, which can be used for users to access resources in a wireless network. Background technique [0002] With the development of mobile communication network technology and various intelligent mobile terminal devices, all aspects of people's life and work are more and more closely connected with the Internet. In this era, people need to meet their needs through wireless networks all the time, which leads to the explosive growth of data volume in wireless networks. [0003] In recent years, with the rise of social and entertainment software, users have more and more requests for voice and video, and more and more frequently. The data volume of voice and video is much larger than the data volume of text, so when these audio and video data are transmitted in the wireless network, a lot of resources will be consumed. A larg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/14H04L29/08G06F16/2455
Inventor 衣孟杰张琰刘娟王玺钧孙婉莹闫朝星
Owner XIDIAN UNIV
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