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Interference management method based on user side storage

An interference management and user-end technology, applied in the field of wireless communication, can solve the problem of not considering the role of interference management, reducing the overall performance of the network, not considering the loss of the base station, etc., to achieve the effect of improving throughput, reducing interference, and improving QoE

Inactive Publication Date: 2015-12-30
BEIHANG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • Interference management method based on user side storage
  • Interference management method based on user side storage
  • Interference management method based on user side storage

Examples

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Embodiment

[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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Abstract

The invention discloses an interference management method based on user side storage and belongs to the technical field of wireless communication. The management method includes the steps that micro base stations predict a demand set of each user side in small cells according to file information of historical requests of all the user sides within a period of time, and files in the demand set of each user side are ranked according to popularity; the micro base stations determine a preference file set of each user side according to the storage capacity and the demand set of each user side; the micro base stations determine distribution of large-scale channels of each user side and residual resources of a network according to scene information of each user side and real-time loads of the network, under the conditions that the residual resources of the network are sufficient, other services are not affected, and the channel conditions of the user sides are good, the preference files sets are pushed to all the user sides before the user sides send requests, low energy consumption in the pushing process is guaranteed, extra cost of the network is low, and the advantages of efficient interference management and high universality are achieved.

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,” IEEECommun.Mag., vol.5...

Claims

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Application Information

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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
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