An Interference Management Method Based on Client Storage
An interference management and user-end technology, applied in the field of wireless communication, can solve the problems of not considering the role of interference management, reducing the overall performance of the network, not considering the loss of base stations, etc., to achieve the effect of improving throughput, reducing interference and improving QoE
Inactive Publication Date: 2018-08-24
BEIHANG UNIV +1
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Problems solved by technology
However, prefetching either only considers user channel conditions for file pre-fetching, ignoring the current network interference, which may reduce the overall network performance; or only uses redundant network resources for pre-fetching files, without considering the base station's pre-storage process loss in
Moreover, Prefetching does not consider the effect of storing files locally on the user on interference management
Method used
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[0050] In this embodiment, a small cell network of two micro base stations is given, and the file transfer in the scene is as follows: figure 2 As shown, system resources are first allocated to real-time service users, and secondly, the small base station combines the remaining resources (bandwidth and transmission power) to store and transmit user channel information, which is used to store files locally to users in advance. SBS 1 and SBS 2 Indicates the micro base station, UE 11 and UE 12 Represents the small base station SBS 1 The user end of the service, UE 21 and UE 22 Represents the small base station SBS 2 The client side of the service has the same file size as F bytes, and the number of files that each client can store is Nu. Application of the present invention proposes a storage-based interference management scheme in a small cell network, and implements interference management through the following steps:
[0051] Step 1: Based on the file information requ...
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The invention discloses an interference management method based on user terminal storage, and belongs to the technical field of wireless communication. In the management method, the micro base station predicts the demand set of each user terminal in the small cell according to the file information requested by each user terminal within a period of time, and sorts the files in the demand set of each user terminal according to popularity; the micro base station The base station determines the favorite file set of each user terminal according to the storage capacity and demand set of each user terminal; the micro base station determines the large-scale channel of the user terminal and the remaining resource distribution of the network according to the situation information of each user terminal and the real-time load of the network. When the remaining resources of the network are sufficient and do not affect other services, and the channel condition of the client is good, the collection of favorite files is pushed to each client before the client initiates a request to ensure low energy consumption during the push process and little additional network overhead. It has the advantages of efficient management of interference and strong extensiveness.
Description
technical field [0001] The invention relates to an interference management method based on user end storage, and belongs to the technical field of wireless communication. Background technique [0002] The service requirements of mobile communications have shown explosive growth in the past ten years, and it is necessary to meet the challenge of meeting the 1000-fold increase in service requirements in the next ten years. By improving the space reuse rate, dense network deployment is an effective way to increase throughput. Therefore, for future mobile communication systems, small cell networks aimed at improving space utilization have received widespread attention. However, the performance of small cell networks Severely affected by interference, see reference [1]: N. Bhushan, J. Li, D. Malladi, R. Gilmore, D. Brenner, A. Damnjanovic, R. Sukhavasi, C. Patel, and S. Geirhofer, " Network densification: the dominant theme for wireless evolution into 5G,” IEEE Commun.Mag., vol....
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IPC IPC(8): H04L29/08
CPCH04L67/55H04L67/5681
Inventor 陈彬强姚楚婷刘婷婷杨晨阳姜蕾王刚
Owner BEIHANG UNIV