CN100455103C - Direct amplifying station monitoring system and method for providing mobile positioning information using the same - Google Patents
Direct amplifying station monitoring system and method for providing mobile positioning information using the same Download PDFInfo
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- CN100455103C CN100455103C CNB200410085415XA CN200410085415A CN100455103C CN 100455103 C CN100455103 C CN 100455103C CN B200410085415X A CNB200410085415X A CN B200410085415XA CN 200410085415 A CN200410085415 A CN 200410085415A CN 100455103 C CN100455103 C CN 100455103C
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Abstract
The present invention relates to a repeater station monitor system and a method for providing mobile positioning information with the utilization of the repeater station monitor system. By configuring the associated information of a repeater station in the repeater station monitor system, which comprises configuring the position information of the repeater station, repeater station configuring the number information of a donor base station or a donor repeater station, configuring coverage area information, configuring forwarding direction angle information, configuring the pitching angle information of an antenna, configuring transmission time delay information and configuring propagation time delay information, the basic information needed by a mobile communication system is offered for supporting a mobile positioning service. The present invention provides the basic information for positioning, the positioning accuracy is increased, and a new service upgrade is provided under the condition that hardware devices in the existing repeater station is not increased; in addition, the present invention has the advantages of simple operation, convenient expansion and easy engineering management.
Description
Technical field
The present invention relates to the realization system and method for 3G moving communicating field location value-added service, relate in particular to the system and method for WCDMA mobile communication system wireless location information gathering.
Background technology
At present, the WCDMA mobile communication system is supported following three kinds of location technologies.
(1) based on the location technology of Cell ID (cell identification)
(2) based on the location technology of OTDOA
(3) auxiliary GPS location technology Network Based
Wherein technology 1 generally can only navigate to certain sector of certain base station or base station, and its positioning accuracy depends on the dense degree of base station, and position error is generally greater than 200 meters, and the introducing repeater is little to the location precision of this method.Be not discussed herein.Its location of technology 3 realizes it being the position that assistant GPS information calculations that GPS module receiving satellite signal and mobile network by travelling carriage provide goes out travelling carriage.Therefore if the repeater cooperates with such navigation system, the change of extra time delay of introducing and wireless signal direction can't influence the performance that network assistance GPS locatees, and does not also do main discussion at this.The present invention mainly sets off a discussion based on the support to technology 2.
Based on OTDOA (Observed Time Difference Of Arrival, observation arrives the time difference) Positioning Principle is as shown in Figure 1, poor (measured signal is launched by antenna for base station by measuring propagation delay that signal between two different base stations and the travelling carriage arrives, measure at travelling carriage reception antenna place), obtain the range difference of travelling carriage and these two base stations, just obtain a pair of thus with these two hyperbolas that the base station is a focus.By measuring two groups of OTDOA values, just can obtain two pairs of hyperbolas, hyp two intersection points of this two couple are the possible estimated position of travelling carriage, and then utilize RTT (loop propagation delay time) or Cell ID to accept or reject one of them possibility estimated position, finally obtain an estimated position of travelling carriage.
In the above-mentioned location technology of WCDMA mobile communication system wireless location, the location technology and location technology based on GPS based on wireless signal measurement between base station and the travelling carriage based on Cell ID (cell ID), mobile communications network selects the mixed strategy of one or more location technologies to provide positioning service for the client according to the QoS (service quality) and the network condition of location client request location.In the weak signal area and the blind area of radio communication coverage area, operator can introduce a large amount of repeaters with dead zone-eliminating or raising signal quality in order to improve the better network coverage.But because the repeater is to the change of transmission of wireless signals direction and the increase of propagation delay time, the positioning accuracy in the coverage of repeater will descend even produce the location of mistake greatly.
Therefore there is defective in prior art, and awaits improving and development.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of direct amplifying station monitoring and utilizes this direct amplifying station monitoring to realize the method for running fix, provide the location required essential information by direct amplifying station monitoring, finally can support the method for mobile location service well, when introducing the repeater in the scope that does not cover at WCDMA mobile communication network base station signal, can provide the location required essential information by the inventive method, positioning accuracy is also improved in the location that finally corrects mistakes, realize the value-added service of high-quality location, eliminate the destruction of the original sub-district covering that causes thus, and eliminate the positioning accuracy that has a strong impact on travelling carriage in this sub-district even produce wrong location defect.And the present invention utilizes existing direct amplifying station monitoring to provide information for positioning service, and implementation method is simple, easy operating.
For achieving the above object, the present invention proposes a kind of direct amplifying station monitoring and realize the method for running fix, its characteristics are, configuration repeater relevant information in this direct amplifying station monitoring comprises: configuration repeater positional information, configuration donor base station or alms giver repeater number information, configuration coverage information, configuration routing direction angle information, configuration antenna elevation angle information, configuration propagation delay time information and configuration propagation delay information; The relevant information of this repeater by adopting the configuration of service wireless network controller side, and to travelling carriage and at least three base stations on every side or serve all hypothesis paths of the repeater of this base station communicating by letter and utilize different base stations or repeater to carry out twice OTDOA location estimation to calculate, obtain two location estimation under this hypothesis path, calculate distance between each hypothesis path following two location estimation then as error, and verify described error, the location estimation of finally getting the hypothesis path of minimal error is a location of mobile station, can realize the running fix of mobile communication system.
Above-mentioned direct amplifying station monitoring is realized the method for running fix, and its characteristics are that the process of the running fix of this realization mobile communication system comprises the steps:
Obtain this travelling carriage and at least three base stations on every side or serve all hypothesis paths of communicating by letter in the repeater of this base station;
In each hypothesis path, the repeater of supposing first base station or serving this first base station is a referenced stations, by measure this referenced stations and second base station or serve the repeater of this second base station and this travelling carriage between the propagation delay that arrives of signal poor, obtain the range difference of this travelling carriage and these two websites, obtain a pair of first hyperbola that is focus with these two websites;
By measure this referenced stations and the 3rd base station or serve the repeater of the 3rd base station and this travelling carriage between the propagation delay that arrives of signal poor, obtain the range difference of this travelling carriage and these two websites, obtain a pair of second hyperbola that is focus with these two websites;
By the possible estimated position that first hyperbola that measures and the second hyp intersection point obtain this travelling carriage, utilizing loop propagation delay time or cell ID to accept or reject one of them may estimated position, obtains first estimated position of this travelling carriage;
Poor by the propagation delay of measuring signal arrival between two base stations except that referenced stations or repeater and this travelling carriage, obtain the range difference of this travelling carriage and these two websites, obtain a pair of the 3rd hyperbola that is focus with these two websites;
Utilize corresponding the 3rd hyperbola to verify and obtain second estimated position, calculate the error of this second estimated position and this first estimated position;
Repeat the step of above-mentioned acquisition error, obtain the error of all hypothesis paths;
The path of getting error minimum in all hypothesis paths is the path mode of travelling carriage;
Get and carry out first estimated position that location estimation draws under this path mode and be estimated as location of mobile station.
Above-mentioned direct amplifying station monitoring is realized the method for running fix, and its characteristics are, participate in the path of signal transmission to the repeater is arranged, and this travelling carriage receives that the transmission time of its affiliated signal of base station should deduct the propagation delay time and the propagation delay of this repeater.
Above-mentioned direct amplifying station monitoring is realized the method for running fix, its characteristics are, when networking in the repeater, also by this repeater relevant information being imported in the position determining entity database of this service wireless network controller side direct amplifying station monitoring, to reduce the information interaction between repeater and the network, shorten the positioning service response time.
Above-mentioned direct amplifying station monitoring is realized the method for running fix, and its characteristics are that the configuration of the relevant information of described repeater is regardless of sequential.
Above-mentioned direct amplifying station monitoring is realized the method for running fix, and its characteristics are that the mode of laying of this repeater is repeater of a sector configuration and does not have cascade.
The present invention also provides a kind of direct amplifying station monitoring, and its characteristics are that this direct amplifying station monitoring is configured in the service wireless network controller side, comprising:
Information collocation module, be used to dispose the repeater relevant information, comprise: configuration repeater positional information, configuration donor base station or alms giver repeater number information, configuration coverage information, configuration routing direction angle information, configuration antenna elevation angle information, configuration propagation delay time information and configuration propagation delay information;
The location Calculation center module, be used for travelling carriage and at least three base stations on every side or serve all hypothesis paths of the repeater of this base station communicating by letter and utilize different base stations or repeater to carry out twice OTDOA location estimation to calculate, obtain two location estimation under this hypothesis path, calculate distance between each hypothesis path following two location estimation then as error, and verify described error, and the location estimation of getting the hypothesis path of minimal error is defined as location of mobile station.
Above-mentioned direct amplifying station monitoring, its characteristics are, also comprise:
The position determining entity database module when being used for networking in the repeater, importing this repeater relevant information and store.
Above-mentioned direct amplifying station monitoring, its characteristics are that described information collocation module is arranged in the foreground monitor board or backstage supervision database of this direct amplifying station monitoring.
Advantage of the present invention is to utilize dexterously the supervisory control system of repeater to provide the location required essential information, improves positioning accuracy.Condition at the hardware device that does not increase existing repeater provides new upgrading service, and simple to operate, and it is convenient to expand, and is easy to engineering management.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the OTDOA positioning principle figure in the 3G communication system of prior art;
Fig. 2 is OTDOA hypothesis verification positioning flow figure of the present invention.
Embodiment
For convenience of description and the explanation, defined two notions of often mentioning in the inventive method: error is defined as an estimated position of travelling carriage and the distance between another estimated position; Hyperbola between two base stations (repeater) when the 3rd pair of hyperbola is defined as each application OTDOA location estimation except that reference base station (repeater); Propagation delay time is defined as the time delay of repeater input signal and output signal; Propagation delay is defined as the propagation time of radio wave between repeater and the base station.
According to the method for the invention, the data about repeater information at first are set in direct amplifying station monitoring, comprise position, repeater, donor base station numbering or alms giver repeater numbering, coverage, routing direction angle, antenna elevation angle, propagation delay time T
RPTAnd propagation delay T
UTRAN-RPTDeng.In order to reduce the information interaction between repeater and the network, shorten the positioning service response time simultaneously, when the repeater networks this information is imported in the position determining entity database of SRNC side.And under a plurality of hypothesis path modes, carry out location estimation calculating and utilize corresponding the 3rd pair of hyperbola checking to obtain error, the path mode upper/lower positions of getting minimal error is estimated as location of mobile station, finally realizes the support of repeater to positioning service.
The OTDOA localization method is supported, can be in conjunction with the principle of Fig. 1 and the flow process labor explanation of Fig. 2 (wherein being in the frame of broken lines of Fig. 2) for the entire flow of positioning service being described, needing to realize in the SRNC side.
Based in the background technology about the description of OTDOA technology, suppose that the first base station A is a referenced stations, poor by measuring the propagation delay that signal arrives between this referenced stations A and the second base station B and this travelling carriage, obtain the range difference of this travelling carriage and these two websites, obtain a pair of first hyperbola that is focus with these two websites (among the figure shown in the solid line); Poor by the propagation delay of measuring signal arrival between this referenced stations A and the 3rd base station C and this travelling carriage then, obtain the range difference of this travelling carriage and these two websites, obtain a pair of second hyperbola that is focus with these two websites (among the figure shown in the dotted line); Then possible the estimated position that obtains this travelling carriage by first hyperbola that measures and the second hyp intersection point utilizes loop propagation delay time or cell ID to accept or reject one of them possible estimated position again, obtains the first estimated position D of this travelling carriage.Can know also that simultaneously the hyperbola (the 3rd hyperbola) between the second base station B and the 3rd base station C do not use in location estimation is calculated, can utilize this hyperbola verifying.In theory, if estimated position D is correct, this hyperbola should be also through estimated position D so.
As shown in Figure 1, suppose to introduce a repeater R and be base station A service, and network system and travelling carriage do not know that all there be (whether the two-way communication that promptly can not know travelling carriage and base station is by repeater R transfer) in it, the mode (not considering the influence of repeater R) that the location Calculation center is at first described with Fig. 1 is carried out location estimation and is calculated, also have a location estimation during then with the 3rd pair of hyperbola checking, promptly by measuring the 3rd hyperbola and the first or second hyp intersection point, a nearest intersection point of the selection and first estimated position is second estimated position, calculates the error of twice estimated position.Then, suppose that repeater R has participated in the transmission of this signal, then replace using the OTDOA scheme behind the position of base station A and recomputate location estimation that this moment, travelling carriage received that the transmission time of the signal of base station A also should deduct T with the position of repeater R
UTRAN-RPTAnd T
RPTIn like manner, also obtain another error with corresponding the 3rd pair of hyperbola checking.Twice error ratio, getting the less transmission channel mode of error is the transmission of wireless signals approach of travelling carriage and base station, knows wireless signal whether by repeater R transfer transmission, can obtain under this transmission channel the estimation to location of mobile station.
In like manner, lay for the repeater of most of project planning that (repeater of a sector configuration and do not have cascade as shown in Figure 2), has only at most and calculates and hypothesis verification for 8 times.Also be that travelling carriage receives that the path mode of 3 base stations on every side or its repeater signal has only 8 kinds (exhaustive) to make up at most.Location estimation under the transmission channel mode of error minimum is exactly the estimated position of travelling carriage, based on the method for measurement, calculating and the checking of exhaustive and hypothesis verification signal path mode, also can be improved for the positioning accuracy problem of (when for example railway covers along the line) under the cascade situation of repeater.Simultaneously because the location response time of OTDOA scheme mainly consumes on measuring rather than the location estimation of SRNC side is calculated, therefore, even exhaustively also can reach the response time identical substantially with the OTDOA scheme.
In sum, from the above-mentioned analysis of OTDOA localization method under introducing the repeater situation to the support of WCDMA mobile communication system, the locating information of utilizing method of the present invention to provide can be provided, finally can effectively improve repeater positioning accuracy to travelling carriage when net, make repeater can support better positioning service.
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 (9)
1, a kind of direct amplifying station monitoring is realized the method for running fix, it is characterized in that, configuration repeater relevant information in direct amplifying station monitoring comprises: configuration repeater positional information, configuration donor base station or alms giver repeater number information, configuration coverage information, configuration routing direction angle information, configuration antenna elevation angle information, configuration propagation delay time information and configuration propagation delay information;
By adopting relevant information in this repeater of service wireless network controller side configuration, and to travelling carriage and at least three base stations on every side or serve all hypothesis paths of the repeater of this base station communicating by letter and utilize different base stations or repeater to carry out twice OTDOA location estimation to calculate, obtain two location estimation under this hypothesis path, calculate distance between each hypothesis path following two location estimation then as error, and verify described error, the location estimation of finally getting the hypothesis path of minimal error is a location of mobile station, can realize the running fix of mobile communication system.
2, direct amplifying station monitoring according to claim 1 is realized the method for running fix, it is characterized in that the process of the running fix of this realization mobile communication system comprises the steps:
Obtain this travelling carriage and at least three base stations on every side or serve all hypothesis paths of communicating by letter in the repeater of this base station;
In each hypothesis path, the repeater of supposing first base station or serving this first base station is a referenced stations, by measure this referenced stations and second base station or serve the repeater of this second base station and this travelling carriage between the propagation delay that arrives of signal poor, obtain the range difference of this travelling carriage and these two websites, obtain a pair of first hyperbola that is focus with these two websites;
By measure this referenced stations and the 3rd base station or serve the repeater of the 3rd base station and this travelling carriage between the propagation delay that arrives of signal poor, obtain the range difference of this travelling carriage and these two websites, obtain a pair of second hyperbola that is focus with these two websites;
By the possible estimated position that first hyperbola that measures and the second hyp intersection point obtain this travelling carriage, utilizing loop propagation delay time or cell ID to accept or reject one of them may estimated position, obtains first estimated position of this travelling carriage;
Poor by the propagation delay of measuring signal arrival between two base stations except that referenced stations or repeater and this travelling carriage, obtain the range difference of this travelling carriage and these two websites, obtain a pair of the 3rd hyperbola that is focus with these two websites;
Utilize corresponding the 3rd hyperbola to verify and obtain second estimated position, calculate the error of this second estimated position and this first estimated position;
Repeat the step of above-mentioned acquisition error, obtain the error of all hypothesis paths;
The path of getting error minimum in all hypothesis paths is the path mode of travelling carriage;
Get and carry out first estimated position that location estimation draws under this path mode and be estimated as location of mobile station.
3, direct amplifying station monitoring according to claim 2 is realized the method for running fix, it is characterized in that, to there being the repeater to participate in the path of signal transmission, this travelling carriage receives that the transmission time of its affiliated signal of base station should deduct the propagation delay time and the propagation delay of this repeater.
4, realize the method for running fix according to the described direct amplifying station monitoring of above-mentioned arbitrary claim, it is characterized in that, when networking in the repeater, also import in the position determining entity database of service wireless network controller side direct amplifying station monitoring by relevant information with this repeater, to reduce the information interaction between repeater and the network, shorten the positioning service response time.
5, direct amplifying station monitoring according to claim 1 is realized the method for running fix, it is characterized in that the configuration of the relevant information of described repeater is regardless of sequential.
6, direct amplifying station monitoring according to claim 4 is realized the method for running fix, it is characterized in that the mode of laying of this repeater is repeater of a sector configuration and does not have cascade.
7, a kind of direct amplifying station monitoring is characterized in that, this direct amplifying station monitoring is configured in the service wireless network controller side, comprising:
Information collocation module, be used to dispose the repeater relevant information, comprise: configuration repeater positional information, configuration donor base station or alms giver repeater number information, configuration coverage information, configuration routing direction angle information, configuration antenna elevation angle information, configuration propagation delay time information and configuration propagation delay information;
The location Calculation center module, be used for travelling carriage and at least three base stations on every side or serve all hypothesis paths of the repeater of this base station communicating by letter and utilize different base stations or repeater to carry out twice OTDOA location estimation to calculate, obtain two location estimation under this hypothesis path, calculate distance between each hypothesis path following two location estimation then as error, and verify described error, and the location estimation of getting the hypothesis path of minimal error is defined as location of mobile station.
8, direct amplifying station monitoring according to claim 7 is characterized in that, also comprises:
The position determining entity database module when being used for networking in the repeater, importing this repeater relevant information and store.
9, direct amplifying station monitoring according to claim 7 is characterized in that, described information collocation module is arranged in the foreground monitor board or backstage supervision database of this direct amplifying station monitoring.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100455130C (en) * | 2006-08-16 | 2009-01-21 | 华为技术有限公司 | Method and system for improving positioning of mobile station and radio network controller |
| CN101742635B (en) * | 2008-11-06 | 2015-05-20 | 三星电子株式会社 | Mobile terminal location method based on relay station under TDD (time division duplex) mode |
| CN101873690A (en) * | 2009-04-22 | 2010-10-27 | 北京三星通信技术研究有限公司 | Method, system and device for locating mobile terminal |
| CN102158955A (en) * | 2010-01-19 | 2011-08-17 | 韩国电子通信研究院 | Base station, repeater, and operating method thereof |
| EP3163954B1 (en) | 2014-08-07 | 2022-02-09 | Huawei Technologies Co., Ltd. | Methods and apparatuses for reporting location information of user equipment |
| CN108363087B (en) * | 2018-04-10 | 2023-09-26 | 厦门信同信息技术有限公司 | Railway positioning system using repeater and positioning method thereof |
| CN109655851A (en) * | 2018-12-26 | 2019-04-19 | 与德科技有限公司 | A kind of modification method, device, equipment and storage medium |
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