Method for selecting cooperative cells based on UE intelligent association and cooperative user equipment

A technology for cooperating cells and cooperating users, applied in the field of communication, can solve the problems of high network system overhead, complex methods, and large amount of feedback, and achieve the effects of saving available resources, reducing the amount of feedback, and reducing the number of

Inactive Publication Date: 2012-08-29
ZTE CORP
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AI Technical Summary

Problems solved by technology

From a scheduling point of view, the approach is very complex
On the other hand, COMP users need to measure the channel conditions or interference conditions of many surrounding cells, and the amount of feedback to the network side is relatively large, the network system overhead is relatively large, and the complexity is relatively high

Method used

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  • Method for selecting cooperative cells based on UE intelligent association and cooperative user equipment
  • Method for selecting cooperative cells based on UE intelligent association and cooperative user equipment
  • Method for selecting cooperative cells based on UE intelligent association and cooperative user equipment

Examples

Experimental program
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Embodiment 5

[0118] Figure 9 Update the cooperative cell set interaction diagram for the coordinated user to move out of the coordinated area. The process is: when the coordinated user moves from the coordinated area to the central area of ​​the serving cell, the coordinated user needs to re-measure and confirm according to the latest measurement results RSRP and SINR of the serving cell It has met the central user standard, if so, delete the cooperating cell set information, report to the serving cell at the same time, request the serving cell to update the cooperating cell set information, and finally the serving cell cancels the UE as a cooperating user. Schematic diagram of updating the cooperating cell set due to the cooperating user moving out of the coordinating area. The source coordinating cell set is: #1, #2, #3, updated as follows: the cooperating user moves and the updated cooperating cell set is: an empty set. The process specifically includes steps:

[0119] 701. The servin...

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Abstract

The invention relates to a method for selecting cooperative cells based on UE intelligent association and cooperative user equipment. The method comprises the steps as follows: as cooperative user equipment, receiving load state information of all adjacent cells of a serving cell and supportable service information of the adjacent cells that are collected and delivered through a broadcast message by the serving cell; performing priority queuing on the adjacent cells according to the load state information and the supportable service information, and selecting a cooperative cell set according to the queuing information; and reporting information about the cooperative cell set to a base station. The method and the equipment improve the efficiency of selecting cooperative cells and reduce information exchange between the UE and the network, thereby achieving the purpose of increasing system throughput.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method for selecting a coordinated cell based on UE (user equipment) intelligent association and the coordinated user equipment. Background technique [0002] In existing mobile communication systems, inter-cell interference is the main reason affecting edge throughput, and for LTE (Long Term Evolution) systems, inter-cell interference is particularly prominent. The performance indicators proposed by the Advanced (Advanced International Mobile Communications) system and the LTE-Advanced technology proposed by the 3GPP (Third Generation Mobile Communications Partnership Project) have become a hot topic to solve cell interference. Point, coordinated multi-point) technology is a milestone in reducing the interference of adjacent cells and improving the quality of signals received by users. The principle of COMP is to process interference between different base stat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/00H04W28/16
CPCH04W48/20H04B7/024H04B7/063
Inventor 向浩求樊荣
Owner ZTE CORP
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