CN102395152A - Method, system and base station for detecting conflict or confusion of neighborhood physical logos in network - Google Patents
Method, system and base station for detecting conflict or confusion of neighborhood physical logos in network Download PDFInfo
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- CN102395152A CN102395152A CN2011103585634A CN201110358563A CN102395152A CN 102395152 A CN102395152 A CN 102395152A CN 2011103585634 A CN2011103585634 A CN 2011103585634A CN 201110358563 A CN201110358563 A CN 201110358563A CN 102395152 A CN102395152 A CN 102395152A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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Abstract
The invention discloses method, system and base station for detecting conflict or confusion of neighborhood physical logos in a network. The method comprises the steps that aiming at a pointed PCI, the base station initiates ECGI measurement of evolution neighborhood global identifiers to a plurality of terminals of a service neighborhood, indicates the measurement, and reports forwards ECGI of a identified neighborhood; and according to the ECGI reported by the terminals, the conflict or confusion of the PCI whether exists in the surrounding of the service neighborhood is judged. In the invention, the conflict or confusion of the PCI in the network can be found effectively and rapidly, thereby saving manpower and material resources and enhancing the detection efficiency.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of the detect conflict of sub-district physical label or method and system of obscuring and base station in the network.
Background technology
PCI (Physical Cell Identity; The sub-district physical label) is a LTE (Long Term Evolution; Long Term Evolution) important configuration parameters of sub-district in the wireless network is used for the base station and transmits and the different cell signal of terminal differentiation at the physical layer identifications different districts.The LTE network has 504 sub-district physical label resources, and quantitative restriction causes the identical PCI need be multiplexing between different districts, but multiplexing result brings obscuring and conflicting of minizone PCI.
When having the PCI conflict in the network, the signal meeting phase mutual interference of minizone causes base station and terminal that the success rate of signal demodulation is descended the traffic affecting quality.Can cause the terminal to insert what is more, cause user's complaint.When existing PCI to obscure in the network, can influence success rate for switching, cause certain customers' handoff failure, influence serious PCI and obscure, can cause a large amount of complaints of user equally.Therefore, the PCI in the network conflicts or obscures detection is to guarantee network service quality always, promotes the important process of network user's satisfaction, receives showing great attention on the Virtual network operator and the network equipment.
In traditional 3G network, detection PCI conflict or the main mode of obscuring are through a large amount of drive tests of network optimization personnel to commercial network.But this detection mode is difficult to cover each zone of network on the one hand, and one side is in the labor manpower and materials in addition, and the efficient of detection also is difficult to guarantee.Because wireless environment receives the influence of various complicated factors such as building, season, landform in the network, also be difficult to through drive test, detect the PCI conflict that exists in the all-network and obscure.
Summary of the invention
In view of above-mentioned analysis, the present invention aims to provide a kind of the detect conflict of sub-district physical label or method and system of obscuring and base station in the network, and what be used to solve traditional detection PCI conflict or obscure that mode brings comes manpower and materials waste and the low problem of detection efficiency.
The object of the invention is mainly realized through following technical scheme:
The invention provides a kind of method that physical label PCI in sub-district conflicts or obscures in the network that detects, comprising:
To specifying PCI, the cellular global identity symbol ECGI that evolution is initiated to a plurality of terminals of Serving cell in the base station measures, and indicates its detection and reports the ECGI of this PCI institute identifying cells;
Judge whether there is the PCI conflict around this Serving cell or obscures based on the ECGI of terminal to report.
Further; When terminal pins does not detect the ECGI of this PCI institute identifying cells to specifying PCI; The base station is initiated ECGI once more and is measured, and measures all can't successfully detect the ECGI of this appointments PCI institute identifying cells the time repeatedly initiating ECGI, stops to initiate the ECGI measurement to this PCI.
Further, above-mentioned decision process specifically comprises:
ECGI based on terminal to report judges, if the ECGI that reports is different, then confirms to have the PCI conflict around this Serving cell or obscure, otherwise does not have the PCI conflict or obscure.
Further, said appointment PCI is the unknown PCI that carries in the terminal to report measurement report, perhaps is the known PCI in the neighborhood region correlation chart.
Further, when said appointment PCI was the known PCI in the neighborhood region correlation chart, the base station was initiated ECGI to the known PCI in the neighborhood region correlation chart and is measured through the mode of Event triggered or the mode of cycle triggering.
Further, the mode of said Event triggered is to decide according to the key performance of this Serving cell sign KPI: when the KPI of this Serving cell is lower than predetermined threshold, triggers and the known PCI in the neighborhood region correlation chart is initiated ECGI measure, otherwise do not trigger.
Further, select to carry out the terminal that ECGI measures through following mode:
Select all terminals that connect of this Serving cell; Select the terminal of predetermined quantity according to intensity of traffic; Select to support the terminal of ECGI measurement and the terminal of idle condition to carry out the ECGI measurement; The terminal of selecting reporting measurement reports to carry this PCI; Select the terminal at this Serving cell edge.
The present invention provides a kind of system that physical label PCI in sub-district conflicts or obscures in the network that detects again, comprising:
The base station is used for to specifying PCI, and the cellular global identity symbol ECGI that initiates evolution to a plurality of terminals of Serving cell measures, and indicates its detection and reports the ECGI of this PCI institute identifying cells; And judge whether there is the PCI conflict around this Serving cell or obscures according to the ECGI of terminal to report;
The terminal is used for reporting according to the indication of base station the ECGI of this PCI institute identifying cells.
The present invention also provides a kind of base station, comprises at least:
The cellular global identity of evolution symbol ECGI measures initiation module, is used for to designated cell physical label PCI, initiates ECGI to a plurality of terminals of Serving cell and measures, and indicates its detection and reports the ECGI of this PCI institute identifying cells;
Determination module is used for judging whether there is the PCI conflict around this Serving cell or obscures based on the ECGI of terminal to report.
Further; Said ECGI measures initiation module and also is used for; When terminal pins does not detect the ECGI of this PCI institute identifying cells to specifying PCI; Initiate ECGI once more and measure, and measure all can't successfully detect the ECGI of this appointments PCI institute identifying cells the time repeatedly initiating ECGI, stop to initiate the ECGI measurement to this PCI.
Further, said determination module specifically is used for,
ECGI based on terminal to report judges, if the ECGI that reports is different, then confirms to have the PCI conflict around this Serving cell or obscure, otherwise does not have the PCI conflict or obscure.
Beneficial effect of the present invention is following:
The PCI conflict of finding fast and effectively to exist in the network or obscure has been practiced thrift manpower and materials, and has been improved detection efficiency.
Other features and advantages of the present invention will be set forth in specification subsequently, and from specification, becoming apparent of part perhaps understood by embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Fig. 1 is the schematic flow sheet of the present invention first method embodiment;
Fig. 2 is the schematic flow sheet of the present invention second method embodiment;
Fig. 3 is the structural representation of the said system of the embodiment of the invention;
Fig. 4 is the structural representation of the said base station of the embodiment of the invention.
Embodiment
Specifically describe the preferred embodiments of the present invention below in conjunction with accompanying drawing, wherein, accompanying drawing constitutes the application's part, and is used to explain principle of the present invention with embodiments of the invention.For clear and simplification purpose, when it possibly make theme of the present invention smudgy, with specifying in detail of known function and structure in the omission device described herein.
At first combine 1 pair of the inventive method of accompanying drawing to implement to be elaborated, comprise the first method embodiment and the second method embodiment.
As shown in Figure 1; Fig. 1 is the schematic flow sheet of the present invention first method embodiment; Be to the conflict of unknown PCI or the detection scene of obscuring, wherein unknown PCI is meant that this PCI is not added to the PCI in the neighborhood region correlation chart of Serving cell, and this method specifically can comprise the steps:
Step 101: terminal to report carries the measurement report of unknown PCI;
Step 102: the base station is to this unknown PCI; Select a plurality of terminals in the Serving cell to initiate ECGI (Evolved Cell G1obal Identifier; The cellular global identity symbol of evolution) measures; Indicate these terminals that this unknown PCI institute identifying cells is carried out ECGI and measure, and detected ECGI is reported the base station;
Step 103: the terminal is carried out ECGI according to the indication of base station to this unknown PCI institute identifying cells and is measured;
Step 104:, then report the base station, otherwise do not report if detect the ECGI of this unknown PCI institute identifying cells;
Step 105: the base station judges whether there is the PCI conflict around this physical area or obscures based on the ECGI of terminal to report; Decision process comprises: when terminal pins this unknown PCI is detected and report be same ECGI the time; The base station is directed against this unknown PCI around judging this Serving cell, does not have PCI conflict or aliasing; When terminal pins detected this unknown PCI and reports different ECGI, the base station was directed against this unknown PCI around judging this Serving cell, had PCI conflict or aliasing, the pairing sub-district of the ECGI that is terminal to report that the PCI conflict takes place or obscure.
And; When terminal pins does not detect ECGI to this unknown PCI; After can postponing the regular hour, the base station can be initiated ECGI once more and measured, and measures indication when repeatedly issuing ECGI; In the time of all can't successfully detecting the ECGI of this unknown PCI institute identifying cells, stop to initiate ECGI and measure to this unknown PCI.
For carrying out the terminal that ECGI measures, can select all terminals that connect in this Serving cell, also can select the part terminal carry out ECGI and measure based on certain condition, can be with reference to following foundation:
Can intensity of traffic Network Based, select the terminal of some to carry out, for example can limit 10 terminals of maximum selections;
Can select to support the terminal of ECGI measurement and carry out the terminal that ECGI measures according to the ability at terminal by the terminal of idle condition;
Can be according to the situation of reporting measurement reports before the terminal, select measurement report carried should the unknown PCI the terminal;
Can select the terminal of cell edge to carry out the ECGI measurement according to the position at terminal.
As shown in Figure 2; Fig. 2 is the schematic flow sheet of the present invention second method embodiment; Be to the conflict of known PCI or the detection scene of obscuring, wherein known PCI is meant that this PCI has been added to the PCI in the neighborhood region correlation chart of Serving cell, and this method specifically can comprise the steps:
Step 201: the base station is through the mode of Event triggered or the mode of cycle triggering, and the known PCI in the neighborhood region correlation chart of selection Serving cell carries out ECGI and measures; Wherein, the Event triggered mode can be considered the KPI (key performance sign) of Serving cell, when the KPI of Serving cell is lower than the appointed threshold value, triggers the known PCI in the neighborhood region correlation chart is carried out the ECGI measurement; The cycle triggering mode can consider to be provided with cycle timer, for example per 24 hours, the known PCI in the neighborhood region correlation chart is carried out ECGI measure; Wherein, the value of KPI can be confirmed size according to actual conditions, does not do concrete regulation here;
Step 201: the base station is to this known PCI, selects a plurality of terminals in the Serving cell to initiate ECGI and measures, and indicates these terminals that this known PCI institute identifying cells is carried out the ECGI measurement, and detected ECGI is reported the base station;
Step 203: the terminal is detected this known PCI institute identifying cells according to the indication of base station;
Step 204:, then report the base station, otherwise do not report if detect the ECGI of this known PCI institute identifying cells;
Step 205: the base station judges whether there is the PCI conflict around this physical area or obscures based on the ECGI of terminal to report; Decision process comprises: when terminal pins this known PCI is detected and report be same ECGI the time; The base station is directed against this known PCI around judging this Serving cell, does not have PCI conflict or aliasing; When terminal pins detected this known PCI and reports different ECGI, the base station was directed against this known PCI around judging this Serving cell, has PCI conflict or aliasing, the pairing sub-district of the ECGI that is terminal to report that the PCI conflict takes place or obscure.
And, when terminal pins does not detect ECGI to this known PCI, can postpone the regular hour after; The base station can be initiated ECGI once more and measured; Measure indication when repeatedly issuing ECGI, in the time of all can't successfully detecting the ECGI of this known PCI, stop to initiate ECGI and measure to this PCI.
For the selection of carrying out the terminal that ECGI measures, can select all terminals that connect in this Serving cell, also can select the part terminal carry out ECGI and measure based on certain condition, can be with reference to following foundation:
Can intensity of traffic Network Based, select the terminal of some to carry out, for example can limit 10 terminals of maximum selections;
Can be according to the ability at terminal, select to support terminal that ECGI measures and carry out the terminal that ECGI measures by free time;
Can select the terminal of cell edge to carry out the ECGI measurement according to the position at terminal.
Next will combine 3 pairs of said systems of the embodiment of the invention of accompanying drawing to be elaborated.
As shown in Figure 3, Fig. 3 is the structural representation of the said system of the embodiment of the invention, specifically comprises:
The base station to specifying PCI, is initiated ECGI to a plurality of terminals of Serving cell and is measured, and indicates a plurality of terminals to detect and report the ECGI of this PCI institute identifying cells; And judge whether there is the PCI conflict around this Serving cell or obscures according to the ECGI of terminal to report; Because the explanation for the base station will combine accompanying drawing 4 to be described in detail below, therefore locate to repeat no more.
The terminal reports the ECGI of this PCI institute identifying cells according to the indication of base station.
To combine 4 pairs of said base stations of the embodiment of the invention of accompanying drawing to be elaborated at last.
As shown in Figure 4, Fig. 4 is the structural representation of the said base station of the embodiment of the invention, can comprise at least:
ECGI measures initiation module, to specifying PCI, initiates ECGI to a plurality of terminals of Serving cell and measures, and indicates a plurality of terminals to detect and report the ECGI of this PCI institute identifying cells; When terminal pins does not detect the ECGI of this PCI institute identifying cells to specifying PCI; ECGI measures initiation module and initiates the ECGI measurement once more; And measure when all can't successfully detect the ECGI of this appointments PCI institute identifying cells repeatedly initiating ECGI, stop this PCI is initiated the ECGI measurement.
Determination module judges whether there is the PCI conflict around this Serving cell or obscures based on the ECGI of terminal to report; Be exactly specifically, determination module is judged based on the ECGI of terminal to report, if the ECGI that reports is different, then confirms to have the PCI conflict around this Serving cell or obscure, otherwise does not have the PCI conflict or obscure; Promptly when terminal pins this unknown PCI is detected and report be same ECGI the time, determination module is judged around this Serving cell and not to be had PCI conflict or aliasing to this unknown PCI; When terminal pins detected this unknown PCI and reports different ECGI, determination module was directed against this unknown PCI around judging this Serving cell, had PCI conflict or aliasing, the pairing sub-district of the ECGI that is terminal to report that the PCI conflict takes place or obscure.
Wherein, ECGI measures initiation module for the selection of carrying out the terminal that ECGI measures, can select all terminals that connect in this Serving cell, also can select the part terminal carry out ECGI based on certain condition and measure, can be with reference to following foundation:
Can intensity of traffic Network Based, select the terminal of some to carry out, for example can limit 10 terminals of maximum selections;
Can be according to the ability at terminal, select to support terminal that ECGI measures and carry out the terminal that ECGI measures by free time;
Can be according to the situation of reporting measurement reports before the terminal, select measurement report carried should the unknown PCI the terminal;
Can select the terminal of cell edge to carry out the ECGI measurement according to the position at terminal.
In sum, the embodiment of the invention provides a kind of the detect conflict of sub-district physical label or method and system of obscuring and base station in the network, because in the LTE system; The 3GPP agreement provides the base station indicating terminal to detect the mode of abutting subdistrict ECGI; Through this mechanism that agreement provides, the ECGI of abutting subdistrict can indicating terminal is detected and report in the base station, and ECGI is the high-rise sign in sub-district in the network; In whole network, has uniqueness; Therefore, the embodiment of the invention is exactly to utilize the mechanism of the base station indicating terminal to report abutting subdistrict ECGI that agreement provides, comes the conflict of the PCI in the network or obscures and detect.
The scheme that the detection PCI that adopts the embodiment of the invention to provide conflicts or obscures; Utilize the problem that exists in the business terminal discovery network in the network; Adopt the thought of " whole people's drive test "; When finding in the network PCI conflict or aliasing fast and effectively, reduced the cost of the network optimization, improved the efficient of the network optimization.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (11)
1. one kind is detected the method that physical label PCI in sub-district conflicts or obscures in the network, it is characterized in that, comprising:
To specifying PCI, the cellular global identity symbol ECGI that evolution is initiated to a plurality of terminals of Serving cell in the base station measures, and indicates its detection and reports the ECGI of this PCI institute identifying cells;
Judge whether there is the PCI conflict around this Serving cell or obscures based on the ECGI of terminal to report.
2. method according to claim 1; It is characterized in that; When terminal pins does not detect the ECGI of this PCI institute identifying cells to specifying PCI; The base station is initiated ECGI once more and is measured, and measures all can't successfully detect the ECGI of this appointments PCI institute identifying cells the time repeatedly initiating ECGI, stops to initiate the ECGI measurement to this PCI.
3. method according to claim 1 and 2 is characterized in that, above-mentioned decision process specifically comprises:
ECGI based on terminal to report judges, if the ECGI that reports is different, then confirms to have the PCI conflict around this Serving cell or obscure, otherwise does not have the PCI conflict or obscure.
4. method according to claim 1 and 2 is characterized in that, said appointment PCI is the unknown PCI that carries in the terminal to report measurement report, perhaps is the known PCI in the neighborhood region correlation chart.
5. method according to claim 4 is characterized in that, when said appointment PCI was the known PCI in the neighborhood region correlation chart, the base station was initiated ECGI to the known PCI in the neighborhood region correlation chart and measured through the mode of Event triggered or the mode of cycle triggering.
6. method according to claim 5; It is characterized in that; The mode of said Event triggered is to decide according to the key performance of this Serving cell sign KPI: when the KPI of this Serving cell is lower than predetermined threshold; Triggering is initiated ECGI to the known PCI in the neighborhood region correlation chart and is measured, otherwise does not trigger.
7. method according to claim 1 is characterized in that, selects to carry out the terminal that ECGI measures through following mode:
Select all terminals that connect of this Serving cell; Select the terminal of predetermined quantity according to intensity of traffic; Select to support the terminal of ECGI measurement and the terminal of idle condition to carry out the ECGI measurement; The terminal of selecting reporting measurement reports to carry this PCI; Select the terminal at this Serving cell edge.
8. one kind is detected the system that physical label PCI in sub-district conflicts or obscures in the network, it is characterized in that, comprising:
The base station is used for to specifying PCI, and the cellular global identity symbol ECGI that initiates evolution to a plurality of terminals of Serving cell measures, and indicates its detection and reports the ECGI of this PCI institute identifying cells; And judge whether there is the PCI conflict around this Serving cell or obscures according to the ECGI of terminal to report;
The terminal is used for reporting according to the indication of base station the ECGI of this PCI institute identifying cells.
9. a base station is characterized in that, comprises at least:
The cellular global identity of evolution symbol ECGI measures initiation module, is used for to designated cell physical label PCI, initiates ECGI to a plurality of terminals of Serving cell and measures, and indicates its detection and reports the ECGI of this PCI institute identifying cells;
Determination module is used for judging whether there is the PCI conflict around this Serving cell or obscures based on the ECGI of terminal to report.
10. base station according to claim 9; It is characterized in that; Said ECGI measures initiation module and also is used for, and when terminal pins does not detect the ECGI of this PCI institute identifying cells to specifying PCI, initiates ECGI once more and measures; And measure when all can't successfully detect the ECGI of this appointments PCI institute identifying cells repeatedly initiating ECGI, stop to initiate the ECGI measurement to this PCI.
11. base station according to claim 9 is characterized in that, said determination module specifically is used for,
ECGI based on terminal to report judges, if the ECGI that reports is different, then confirms to have the PCI conflict around this Serving cell or obscure, otherwise does not have the PCI conflict or obscure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103585634A CN102395152A (en) | 2011-11-14 | 2011-11-14 | Method, system and base station for detecting conflict or confusion of neighborhood physical logos in network |
| PCT/CN2012/083626 WO2013071813A1 (en) | 2011-11-14 | 2012-10-26 | Method, system and base station for detecting physical cell identity conflict or confusion in network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011103585634A CN102395152A (en) | 2011-11-14 | 2011-11-14 | Method, system and base station for detecting conflict or confusion of neighborhood physical logos in network |
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| CN102395152A true CN102395152A (en) | 2012-03-28 |
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| CN2011103585634A Pending CN102395152A (en) | 2011-11-14 | 2011-11-14 | Method, system and base station for detecting conflict or confusion of neighborhood physical logos in network |
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| CN (1) | CN102395152A (en) |
| WO (1) | WO2013071813A1 (en) |
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| WO2014146295A1 (en) * | 2013-03-22 | 2014-09-25 | 华为技术有限公司 | Method and apparatus for cell identification |
| CN108702588B (en) * | 2016-02-04 | 2021-08-13 | 吉欧平台有限公司 | System and method for resolving physical cell identity confusion in heterogeneous networks |
| CN108702588A (en) * | 2016-02-04 | 2018-10-23 | 信实资讯通信公司 | The system and method that Physical Cell Identifier for solving in heterogeneous network is obscured |
| CN107371198A (en) * | 2016-05-12 | 2017-11-21 | 中兴通讯股份有限公司 | The method and system of cell switching |
| CN107371198B (en) * | 2016-05-12 | 2020-07-10 | 中兴通讯股份有限公司 | Method and system for cell switching |
| CN110622575A (en) * | 2017-05-19 | 2019-12-27 | 高通股份有限公司 | Option to provide network icons in non-standalone mode |
| CN110622575B (en) * | 2017-05-19 | 2023-05-09 | 高通股份有限公司 | Providing an option for network icons in non-stand-alone mode |
| CN109219057A (en) * | 2017-07-07 | 2019-01-15 | 英国电讯有限公司 | Cellular telecommunication network |
| CN109219057B (en) * | 2017-07-07 | 2022-01-25 | 英国电讯有限公司 | Cellular telecommunications network |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013071813A1 (en) | 2013-05-23 |
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