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Cooperative base station clustering method and device in wireless heterogeneous network

A wireless heterogeneous network and cooperative base station technology, which is applied in the field of cooperative base station clustering, can solve the problems that the hierarchical structure of the wireless heterogeneous network cannot be tried well

Inactive Publication Date: 2019-01-18
CSG EHV POWER TRANSMISSION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] One method in the prior art is to divide the nearest base stations into a cluster and perform multi-site cooperative transmission within the cluster. However, this solution generally performs data transmission based on a homogeneous network structure with the same type of base stations, and cannot A good trial of the layered structure of the current popular wireless heterogeneous network

Method used

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  • Cooperative base station clustering method and device in wireless heterogeneous network
  • Cooperative base station clustering method and device in wireless heterogeneous network
  • Cooperative base station clustering method and device in wireless heterogeneous network

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Embodiment 1

[0095] This embodiment provides a processing flow of a cooperative base station clustering method in a wireless heterogeneous network as follows: figure 2 As shown, the following processing steps are included:

[0096] Step 210, receiving channel state information with each base station fed back by the user terminal.

[0097] In the embodiment of the present invention, data is transmitted for a user through cooperation of multiple stations based on a wireless heterogeneous network. A system based on a wireless heterogeneous network generally includes a number of macro base stations and micro base stations. Generally, a macro base station has a corresponding base station control unit, and each base station can cover several user terminals within a certain range. The base station control unit may select several base stations according to a corresponding cooperative base station clustering method, and transmit data for users through cooperation among the selected base stations....

Embodiment 2

[0154] This embodiment provides a cooperative base station clustering device in a wireless heterogeneous network, and its specific implementation structure is as follows image 3 As shown, it can specifically include the following modules:

[0155] The channel state information receiving unit 310 is configured to receive the channel state information fed back by the user terminal and each base station, and the base stations include the main serving base station and the non-main serving base station of the user terminal;

[0156] The candidate base station determination unit 320 is configured to calculate, according to the channel state information within a set time period, when the primary serving base station cooperates with each of the non-primary serving base stations, the non-principal serving base stations that are not coordinated with the primary serving base station Interference signal strength information of other non-primary serving base stations other than the servin...

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Abstract

The embodiment of the invention provides a method and device for clustering coordinated base stations in a wireless heterogeneous network. The method comprises steps of: receiving channel state information, fed back from a user terminal, with each base station; according to the channel state information within set time, computing interference signal intensity information of non-master service base stations, except the non master service base stations in cooperation with the master service base station when the master service base station cooperates with each non-master service base station separately; collecting non-master service base stations with a set amount and low interference intensities according to the interference signal intensity information in a base station set to be selected; computing effective signal intensity information, received by the user terminal, of base stations to be selected in the base station set to be selected; and according to the effective signal intensity information of the base stations to be selected, collecting base stations to be selected with a final set amount and high signal intensities in a coordinated base station cluster of the user terminal. The method and the device achieve high information transmission efficiency between the base stations and the user terminal in the wireless heterogeneous network.

Description

technical field [0001] The present invention relates to the field of information communication technology, in particular to a method and device for clustering cooperative base stations in a wireless heterogeneous network. Background technique [0002] With the continuous development of information technology, people's requirements for wireless network communication experience are getting higher and higher. People no longer just pursue the ability to connect to the network or receive network information, but the speed of communication using the network, especially in the network Edge users have more demands on the speed of communication through the network, etc., but the speed of wireless network communication has yet to be increased (for example, when using a mobile phone to communicate, after a certain distance from the mobile phone signal base station, although it can receive The signal transmitted to the base station, however, both the quality of the call and the speed of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/18H04B7/026H04B17/336
CPCH04B7/024H04W16/18
Inventor 袁华璐丁莎莎田霖余萍韩东升
Owner CSG EHV POWER TRANSMISSION
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