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A method, system, base station and terminal for detecting interference neighbors

A technology that interferes with base stations and base stations. It is applied in the directions of network traffic/resource management, electrical components, and wireless communication. It can solve the problem of SS1 being unable to access the network, and achieve the effect of eliminating the problem of communication blind spots.

Inactive Publication Date: 2010-10-06
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, when SS1 in the common coverage area of ​​the two is turned on, due to the mutual interference between BS0 and BS2, SS1 will not be able to access the network, thus forming a communication blind zone

Method used

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  • A method, system, base station and terminal for detecting interference neighbors
  • A method, system, base station and terminal for detecting interference neighbors
  • A method, system, base station and terminal for detecting interference neighbors

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Embodiment Construction

[0065] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0066] The basic idea of ​​the method for detecting interference neighbors provided by the present invention is: set the interference reporting interval IRI including uplink subframes and downlink subframes in the frame structure, and the base station allocates uplink interference reporting intervals for terminals that have not yet entered the network within its own IRI uplink subframes opportunity, and send the assigned uplink interference reporting opportunity to the terminal through its own IRI downlink subframe; the terminal detects the interfering base station information, and after obtaining the uplink interference reporting opportunity, sends the detected interfering base station information through the obtained uplink interference reporting opport...

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Abstract

The invention provides a method for detecting interference to neighbors, an interference reported interval IRI comprising an upstream subframe and a downlink subframe is arranged in a frame structure. The method comprises: base stations allocate upstream interference report chances for terminals which do not enter into the network in self IRI upstream subframes, and the self IRI downlink subframes send the allocated upstream interference report chances to the terminals; the terminals detect the information of interfering base stations, when the terminals acquire upstream interference report chances, the acquired upstream interference report chances send the detected information of interfering base stations to base stations; the base stations judge unknown interfering neighbors whether ornot exist in the base stations according to the received information of interfering base stations from the terminals. The invention also provides a system, base stations and terminals for detecting interfereing neighbors. The invention can detect hidden nodes, eliminates a communication blind area problem which is caused by the existence of hidden nodes.

Description

technical field [0001] The present invention relates to wireless communication technology, in particular to a method and system for detecting interfering neighbors, a base station and a terminal. Background technique [0002] The wireless spectrum is divided into authorized frequency band and unlicensed frequency band. The authorized frequency band is a wireless transmission frequency band specially opened for a certain wireless communication service. Other wireless communication services cannot be transmitted in this frequency band. The authorized frequency band is generally assigned to a certain operator. The operator can Optimize the frequency bands used by each node in the system to reduce mutual interference between nodes. The unlicensed frequency band will not be fixedly allocated to a certain operator. All wireless communication services that meet certain requirements can use this frequency band freely. Since the frequency points used by each node are not fixed, there...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/10H04W28/18H04W24/08
Inventor 冯淑兰
Owner HUAWEI TECH CO LTD
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