CN101242624A - A method for positioning blind coverage area of ECDMA system - Google Patents
A method for positioning blind coverage area of ECDMA system Download PDFInfo
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- CN101242624A CN101242624A CNA2007100637984A CN200710063798A CN101242624A CN 101242624 A CN101242624 A CN 101242624A CN A2007100637984 A CNA2007100637984 A CN A2007100637984A CN 200710063798 A CN200710063798 A CN 200710063798A CN 101242624 A CN101242624 A CN 101242624A
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Abstract
The invention discloses a blind area positioning method of WCDMA system, including step A, putting test terminal and device of global positioning system together to carry out road testing; step B, recording uplink/downlink blind area measurement event reported by test terminal and first time information, storing it into first file; step C, recording latitude and longitude information output by the mentioned global positioning system and corresponding second time information, and storing to the second file; step D, relating first and second file by first and second time information, to obtain latitude and longitude information corresponding to mentioned uplink/downlink blind area measure event. The invention can realize accurate and efficient positioning of uplink/downlink blind area, without requirements to testing ability of terminals.
Description
Technical field
The present invention relates to the network planning and optimize the field, relate in particular to a kind of in Wideband Code Division Multiple Access (WCDMA) (WidebandCode Division Multiple Access, WCDMA) method of location coverage hole in the system.
Background technology
After communication network builds up, tend to exist some to cover blind spot or cover the edge do not reach the zone that the network planning covers the edge, for convenience of description, above-mentioned zone is referred to as coverage hole.The purpose of the network optimization is exactly to find out technological means such as described coverage hole and the deflection by adjusting antenna, inclination angle, transmitting power, eliminates coverage hole.The WCDMA system networking initial stage, the especially built-up dense city in the city, coverage hole is general relatively more serious, therefore how locating the prerequisite that coverage hole is the network optimization efficiently and accurately, also is the important indicator that can the maturity of a WCDMA system of assessment satisfy commercial needs.
Chinese patent application 200610065624.7 has been announced a kind of " base station signalling generator of WCDMA system testing and using method ", the base station signalling generator that this patent application provides can be realized the WCDMA network planning, the network optimization and testing of equipment work, but the detection of coverage hole depends on the positioning accuracy of measuring terminals, this positioning accuracy is lower, is difficult to reach the effect of accurate location coverage hole; What this scheme was measured simultaneously is sub-district dominant pilot quality, and this measuring amount can only reflect the situation that cell downlink covers, and can not embody the situation that cell uplink covers.
In summary, the method for positioning blind coverage area of ECDMA system in the prior art obviously exists inconvenience and defective, so be necessary to be improved.
Summary of the invention
At above-mentioned defective, the object of the present invention is to provide a kind of method of positioning blind coverage area of ECDMA system, use this method can realize the accurately efficient location of WCDMA system up-downgoing coverage hole.
To achieve these goals, the invention provides a kind of method of positioning blind coverage area of ECDMA system, may further comprise the steps:
A, test terminal and global positioning system equipment put together carry out drive test;
B, the described test terminal of record report on/descending blind area measurement event and corresponding very first time information thereof, and be saved to first file;
C, record and the latitude and longitude information of described global positioning system equipment output and the second corresponding temporal information thereof, and be saved to second file;
D, described first, second file is carried out association by first, second temporal information, draw described on/latitude and longitude information of descending blind area measurement event correspondence.
According to localization method of the present invention, on described/descending blind area measurement event is the 5a measurement event and the 6d measurement event of 3GPP definition, wherein, the Block Error Rate that described 5a measurement event is used to measure descending transmission channel is represented to exist descending coverage hole above default thresholding when the 5a measurement event triggers;
The transmitting power that described 6d measurement event is used to measure the test terminal reaches default thresholding, represents to exist up coverage hole when the 6d measurement event triggers.
According to localization method of the present invention, described steps A also comprises:
A1, respectively be provided with described on/thresholding of descending blind area measurement event;
A2, described test terminal make a call and open/descending blind area measurement event.
According to localization method of the present invention, comprise also in the described steps A that record is used to collect the described/communication apparatus of descending blind area measurement event and the time difference of global positioning system equipment; And with reference to this time difference, described first, second file is carried out association by described first, second temporal information among the described step D.
According to localization method of the present invention, collect and write down by radio network controller among the described step B on described test terminal reports/descending blind area measurement event and corresponding very first time information thereof.
According to localization method of the present invention, global positioning system equipment or global positioning system periodically write down the latitude and longitude information of global positioning system equipment among the described step C, and are saved to second file.
According to localization method of the present invention, described global positioning system equipment is global positioning system mobile device independently, and perhaps described global positioning system equipment is built in the test terminal.
According to localization method of the present invention, described step D further comprises:
On in D1, taking-up first file/and the pairing very first time information of descending blind area measurement event, in second file, find second temporal information associated therewith according to described very first time information;
D2, draw its corresponding latitude and longitude information according to described second temporal information that is associated, be described on/latitude and longitude information of descending blind area measurement event correspondence.
According to localization method of the present invention, described step D further comprises judging whether there is second temporal information that is associated with described very first time information in second file, if exist, the latitude and longitude information of the second temporal information correspondence that this is associated be described on/latitude and longitude information of descending blind area measurement event;
Otherwise, take out several the most close in second file second temporal informations and fit to curve with very first time information, in matched curve, search second temporal information that is associated with very first time information then, the latitude and longitude information of the second temporal information correspondence that this is associated on this/latitude and longitude information of descending blind area measurement event.
According to localization method of the present invention, also comprise after the described step D last/descending blind area measurement event and corresponding latitude and longitude information thereof are labeled on the electronic chart of the network coverage.
The present invention by the record test terminal report on/descending blind area measurement event and very first time information thereof; Record global positioning system (Global Positioning System, GPS) latitude and longitude information and second temporal information thereof of equipment output; Carry out association according to described first, second temporal information then, obtaining in the WCDMA system/relation between descending coverage hole and latitude and longitude information, thereby in the realization system/the accurately efficient location of descending coverage hole; And the ability to the test terminal does not require; Also can be labeled on the electronic chart of the network coverage simultaneously, make the network optimization more simple and convenient according to the position of latitude and longitude information with the up-downgoing coverage hole.
Description of drawings
Fig. 1 is the method flow diagram of positioning blind coverage area of ECDMA system provided by the invention;
Fig. 2 is the corresponding relation schematic diagram of file A and file B in the preferred embodiment provided by the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Basic thought of the present invention: report/descending blind area measurement event and very first time information thereof by the record test terminal; The latitude and longitude information and second temporal information thereof of the output of record GPS equipment; Carry out association according to described first, second temporal information then, obtaining in the WCDMA system/relation between descending coverage hole and latitude and longitude information, thus the accurately efficient location of the system of realization up-downgoing coverage hole.
The localization method of WCDMA provided by the invention system coverage hole comprises three phases as shown in Figure 1: the processing stage of pre-configured stage, drive test stage and later data.Wherein, the pre-configured stage comprises the steps:
Step S101 is provided with respectively/thresholding of descending blind area measurement event.On described/descending blind area measurement event is 3rd Generation Partnership Project plan (Third Generation Partnership Project, 3GPP) Ding Yi 5a, 6d measurement event, wherein said 5a measurement event is used to measure the Block Error Rate of descending transmission channel, and (Block Error Ratio BLER) surpasses default thresholding; The transmitting power that the 6d measurement event is used for measuring terminals surpasses default thresholding.According to WCDMA system exterior ring power control principle as can be known, radio link power is dynamically adjusted based on channel quality and use minimal power under the prerequisite that guarantees channel quality, this power can not surpass its maximum transmission power, therefore rational 5a, 6d measurement event thresholding need be set.Because the BLER of reflection 5a measurement event thresholding is greater than the BLER of business objective under the normal communication situation, therefore when the 5a measurement event triggers, show downlink outer loop power control fails, the test terminal has reached the covering edge of WCDMA system down link, promptly descending coverage hole; When the 6d measurement event triggers, show that the test terminal transmitting power reaches maximum, can think that ascending exterior ring power control fails, test terminal have reached the covering edge of WCDMA system up-link, promptly up coverage hole.
S102, record is used to collect the described/communication apparatus of descending blind area measurement event and the time difference of GPS equipment.The described time difference is the processing stage of being used for later data.
The drive test stage comprises the steps:
Step S103 puts test terminal and GPS equipment together and carries out drive test, is made a call and is opened/descending blind area measurement event by the test terminal.GPS equipment and test terminal are put together, can think that then the latitude and longitude information that GPS shows is exactly the positional information of test terminal.
Step S104, write down that described test terminal reports on/descending blind area measurement event and corresponding very first time information thereof, and be saved to first file.As a specific embodiment of the present invention, (Radio network controller RNC) collects and writes down on described test terminal reports/descending blind area measurement event and corresponding very first time information thereof by radio network controller.The present invention can obtain descending, the up coverage hole of WCDMA system, but can't learn the definite positional information of described coverage hole correspondence by the record 5a, the 6d measurement event that report of test terminal and the temporal information that triggers described measurement event.
Step S105, record and the latitude and longitude information of described GPS equipment output and the second corresponding temporal information thereof, and be saved to second file.As a specific embodiment of the present invention, GPS equipment or GPS periodically write down the latitude and longitude information of GPS equipment, and are saved to second file.Described GPS equipment is independently GPS mobile device such as GPS hand platform, and perhaps described GPS equipment is built in the test terminal.
Comprise the steps: the processing stage of later data
Step S106 carries out association with described first, second file by first, second temporal information, draw described on/latitude and longitude information of descending blind area measurement event correspondence, thereby realize in the WCDMA system/the accurately efficient location of descending coverage hole.As a specific embodiment of the present invention, the described time difference of refer step S102, described first, second file is carried out association by first, second temporal information.
Step S107 is labeled in described measurement event and corresponding longitude and latitude positional information thereof on the electronic chart of the network coverage.Can carry out the network optimization easily according to described electronic chart.
Be a preferred embodiment provided by the invention below, it is corresponding with step shown in Figure 1, comprises three phases: the processing stage of pre-configured stage, drive test stage and later data.
The pre-configured stage:
Step S201, the RNC by the WCDMA system is provided with suitable 5a, 6d measurement event thresholding respectively.
Step S202, the time difference of record RNC and GPS hand platform is with the time unifying of RNC and GPS hand platform.
The drive test stage:
Step S203 puts test terminal and GPS hand platform together and carries out drive test.Described test terminal makes a call and open 5a, 6d measurement event under the control of RNC.
Step S204, RNC be responsible for writing down 5a that the test terminal reports, 6d measurement event with and corresponding very first time information, and be saved to first file, in the present embodiment, described first file is file A, can think preserve in this document be series of points coordinate as shown in Figure 2, abscissa is 5a or 6d measurement event, ordinate is to trigger the measurement event time information corresponding.
Step S205, GPS hand platform periodically writes down latitude and longitude information and the second corresponding temporal information thereof, and be saved in second file, in the present embodiment, second file is file B, can think preserve in this document also be series of points coordinate as shown in Figure 2, abscissa is a latitude and longitude information, ordinate is this latitude and longitude information time corresponding.
The processing stage of later data:
Because 5a, 6d measurement event processing method are identical, for convenience of description, represent 5a or 6d measurement event with x below, step is as follows:
Step S206 takes out the pairing very first time information of x measurement event among the file A, finds second temporal information associated therewith according to the very first time information of file A in file B.File A and file B corresponding relation are as shown in Figure 2.And draw its corresponding latitude and longitude information according to described second temporal information that is associated, be the latitude and longitude information of described x measurement event correspondence.Drawing its corresponding latitude and longitude information in file B also further comprises, whether judgement exists second temporal information that is associated with described very first time information in file B, here the implication that " is associated " is that the difference between described second time and the very first time just in time is the time difference of GPS equipment and communication apparatus.If exist, the latitude and longitude information of the second temporal information correspondence that this is associated is the latitude and longitude information of up-downgoing coverage hole for the latitude and longitude information that the x measurement event triggers; Otherwise, several second temporal informations the most close with very first time information fit to curve among the taking-up file B, as shown in Figure 2, search second temporal information that is associated with very first time information then in matched curve, the latitude and longitude information of the second temporal information correspondence that this is associated is the latitude and longitude information of this x measurement event.Because curve is continuous, then certainly exist certain on the curve and put second temporal information of its ordinate for being associated with very first time information, the abscissa of this point is exactly that the latitude and longitude information that triggers of x measurement event is/latitude and longitude information of descending coverage hole.
Step S207 is labeled in x measurement event and the corresponding latitude and longitude information thereof that obtains on the electronic chart of the network coverage, and is clear for explaining, 5a, 6d measurement event adopt different symbolic representations, for example in Fig. 2, square frame is represented the 5a measurement event, and circle is represented the 6d measurement event.
In summary, the present invention by the record test terminal report on/descending blind area measurement event and very first time information thereof; The latitude and longitude information and second temporal information thereof of the output of record GPS equipment; Carry out association according to described first, second temporal information then, obtaining the relation between WCDMA system up-downgoing coverage hole and latitude and longitude information, thus the accurately efficient location of the system of realization up-downgoing coverage hole; And the ability to the test terminal does not require; Also can be labeled on the electronic chart of the network coverage simultaneously, make the network optimization more simple and convenient according to the position of latitude and longitude information with the up-downgoing coverage hole.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the method for a positioning blind coverage area of ECDMA system is characterized in that, may further comprise the steps:
A, test terminal and global positioning system equipment put together carry out drive test;
B, the described test terminal of record report on/descending blind area measurement event and corresponding very first time information thereof, and be saved to first file;
C, record and the latitude and longitude information of described global positioning system equipment output and the second corresponding temporal information thereof, and be saved to second file;
D, described first, second file is carried out association by first, second temporal information, draw described on/latitude and longitude information of descending blind area measurement event correspondence.
2. localization method according to claim 1, it is characterized in that, on described/descending blind area measurement event is the 5a measurement event and the 6d measurement event of 3GPP definition, wherein, the Block Error Rate that described 5a measurement event is used to measure descending transmission channel is represented to exist descending coverage hole above default thresholding when the 5a measurement event triggers;
The transmitting power that described 6d measurement event is used to measure the test terminal reaches default thresholding, represents to exist up coverage hole when the 6d measurement event triggers.
3. localization method according to claim 2 is characterized in that, described steps A also comprises:
A1, respectively be provided with described on/thresholding of descending blind area measurement event;
A2, described test terminal make a call and open/descending blind area measurement event.
4. localization method according to claim 2 is characterized in that, comprises also in the described steps A that record is used to collect the described/communication apparatus of descending blind area measurement event and the time difference of global positioning system equipment; And with reference to this time difference, described first, second file is carried out association by described first, second temporal information among the described step D.
5. localization method according to claim 4 is characterized in that, collects and write down by radio network controller among the described step B on described test terminal reports/descending blind area measurement event and corresponding very first time information thereof.
6. localization method according to claim 2 is characterized in that global positioning system equipment or global positioning system periodically write down the latitude and longitude information of global positioning system equipment among the described step C, and is saved to second file.
7. localization method according to claim 6 is characterized in that, described global positioning system equipment is global positioning system mobile device independently, and perhaps described global positioning system equipment is built in the test terminal.
8. according to each described localization method of claim 1～7, it is characterized in that described step D further comprises:
On in D1, taking-up first file/and the pairing very first time information of descending blind area measurement event, in second file, find second temporal information associated therewith according to described very first time information;
D2, draw its corresponding latitude and longitude information according to described second temporal information that is associated, be described on/latitude and longitude information of descending blind area measurement event correspondence.
9. localization method according to claim 8, it is characterized in that, described step D further comprises judging whether there is second temporal information that is associated with described very first time information in second file, if exist, the latitude and longitude information of the second temporal information correspondence that this is associated be described on/latitude and longitude information of descending blind area measurement event;
Otherwise, take out several the most close in second file second temporal informations and fit to curve with very first time information, in matched curve, search second temporal information that is associated with very first time information then, the latitude and longitude information of the second temporal information correspondence that this is associated on this/latitude and longitude information of descending blind area measurement event.
10. localization method according to claim 8 is characterized in that, also comprises after the described step D last/descending blind area measurement event and corresponding latitude and longitude information thereof are labeled on the electronic chart of the network coverage.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100637984A CN101242624A (en) | 2007-02-09 | 2007-02-09 | A method for positioning blind coverage area of ECDMA system |
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| CNA2007100637984A CN101242624A (en) | 2007-02-09 | 2007-02-09 | A method for positioning blind coverage area of ECDMA system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014139101A1 (en) * | 2013-03-13 | 2014-09-18 | Intel Corporation | Dead zone location detection apparatus and method |
| US9485626B2 (en) | 2013-03-19 | 2016-11-01 | Intel Corporation | Building floor determination for a location based service |
| CN109005497A (en) * | 2017-05-31 | 2018-12-14 | 北京嘀嘀无限科技发展有限公司 | It determines the method for signal blind zone, determine the method and device of user location |
| CN112449310A (en) * | 2019-09-02 | 2021-03-05 | ***通信集团重庆有限公司 | Signal coverage blind area positioning method, server side, terminal and computing equipment |
-
2007
- 2007-02-09 CN CNA2007100637984A patent/CN101242624A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014139101A1 (en) * | 2013-03-13 | 2014-09-18 | Intel Corporation | Dead zone location detection apparatus and method |
| US9453902B2 (en) | 2013-03-13 | 2016-09-27 | Intel Corporation | Dead zone location detection apparatus and method |
| US9485626B2 (en) | 2013-03-19 | 2016-11-01 | Intel Corporation | Building floor determination for a location based service |
| CN109005497A (en) * | 2017-05-31 | 2018-12-14 | 北京嘀嘀无限科技发展有限公司 | It determines the method for signal blind zone, determine the method and device of user location |
| CN112449310A (en) * | 2019-09-02 | 2021-03-05 | ***通信集团重庆有限公司 | Signal coverage blind area positioning method, server side, terminal and computing equipment |
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Open date: 20080813 |