CN102404844B - Multi-method compound and accurate CDMA mobile terminal positioning method and system - Google Patents
Multi-method compound and accurate CDMA mobile terminal positioning method and system Download PDFInfo
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- CN102404844B CN102404844B CN201110362011.0A CN201110362011A CN102404844B CN 102404844 B CN102404844 B CN 102404844B CN 201110362011 A CN201110362011 A CN 201110362011A CN 102404844 B CN102404844 B CN 102404844B
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Abstract
The invention relates to the field of wireless technology, particularly to a compound and accurate CDMA (Code Division Multiple Access) mobile terminal positioning method and system supporting various parameters and using a plurality of methods. The method is characterized by comprising leading-in of cartographic information, working condition parameter data of a cell, and positioning data; analyzing of positioning data and correcting of error data; compound and accurate positioning of TOA (Time Of Arrival)/TDOA (Time Difference Of Arrival); positioning, feeding back and updating of characteristic data base; finger-print characteristic positioning based on EcIo; and probability evaluation positioning based on position information. The invention makes up the deficiency that the conventional positioning technology has strong dependence on data and low positioning applicability, reduces the cost for acquiring position information of users, and solves the problems of low positioning speed and low positioning accuracy of the conventional reported data positioning technology at the same time, so that the position information of users can be acquired quickly according to various available parameters; and the invention is worthy of popularization.
Description
[technical field]
The present invention relates to wireless technical field, a kind ofly specifically support that many kinds of parameters uses multiple method composite precision to determine the method and system of a cdma mobile terminal.
[background technology]
The basis that wireless location technology is analyzed as radio communication service analysis and network condition, affect the planning of wireless communication technology, optimization and development, location technology affects multiple fields of wireless communication technology, becomes an important service of wireless communication technology.Prior art, to user group's location technology shortcoming, causes the shortcoming to wireless communication user positional information, causes user behavior analysis, the difficulty of cordless communication network status analysis.Existing wireless location technology can realize the accurate location of the user terminal using GPS, accurately measures the hyperbolic location of TDOA data, uses the coarse localization estimation of reporting of user data.Like this, collect call-information and the positional information of user, cordless communication network can be analyzed further.On the other hand, along with the develop rapidly of radio communication, the develop rapidly of radio communication service amount, uses the drive test technology gained user sample data of GPS location fewer and feweri in real data ratio; And the utilization distribution of radio communication is more and more extensive, make to use reporting of user data to be positioned in order to necessity.
Existing placement technology, mainly based on GPS location technology, uses GPS module to locate to single terminal.Because GPS module requires higher to hardware device, and outdoor positioning can only be used for.Cause very large difficulty for multi-user's placement data acquisition analysis in radio communication, location cost is higher.Localization method according to associated parameter data mainly uses based on parameters such as TOA, TDOA, AOA, and use one or more parameter mixed positioning, positioning precision is lower.Wherein AOA parameter acquiring needs the support of hardware device smart antenna; And TOA and AOA parameter error is comparatively large in a nlos environment, TDOA Measurement accuracy difficulty is large.The not high positioning precision that causes of factor data precision is lower, and use the conventional hyperbolic location technology in TDOA location, method complexity is relatively high, and locating speed is slower.CDMA location technology mainly uses the parameters such as AOA, TOA, TDOA to carry out integrated positioning, and the method that parameter combinations uses, mainly according to different calculation of parameter locating areas or direction, combines the different parameter positioning result determination elements of a fix.There is following problem in existing location technology: uses GPS module location and use the method for AOA angle information location to need terminal equipment or smart antenna support, higher to hardware requirement; Use the existing setting accuracies of parameter such as AOA, TOA lower; The hyperbolic location requirement locating base station of TDOA is many, and locating effect is poor in NLOS environment; Conventional combined positioning method factor data error is large, and locating effect is undesirable.More in addition, in the hyperbolic localization method based on the improvement of TDOA, the randomness such as weighting location or secondary least square location is large in a nlos environment, and positioning result is undesirable; The method complexity of some iteration is high, and convergence rate is slow, and positioning result precision is general.
[summary of the invention]
The object of the invention is to solve prior art problem, to TOA, TDOA, the parameters such as EcIo, based on the method for internal relation height compound contact location, for Multi-parameter orientation point, use iterative linear correction weighting hyperbolic localization method, according to TOA and TDOA close relation, fast convergence rate, positioning precision is high, and use positioning result to feed back regeneration characteristics database, the data with certain parameter type and quantity can be located in use characteristic storehouse, for first two localization method, use according to cartographic information and communications traffic statistics data, necessarily correct, the data that parameter type is more single or number of parameters is few, according to cartographic information, work ginseng information, communications traffic statistics information carries out bayesian estimation and Monte Carlo probability emulation location, there is provided a kind of self-align precision high, locating speed support many kinds of parameters that is fast and highly versatile uses multiple method composite precision to determine the method and system of a cdma mobile terminal.
To achieve these goals, design the method and system that a kind of multi-method composite precision determines a cdma mobile terminal, it is characterized in that by cartographic information, community work parameter certificate and locator data import, locator data is analyzed and error information correction, TOA/TDOA composite precision determines position, position feedback regeneration characteristics database, fingerprint characteristic based on EcIo is located, the Probability estimate navigation system of position-based information is formed, described cartographic information, community work parameter certificate and locator data import map architecture information, ClUtter information, import community basic parameter and comprise the information such as grid azimuth, import the intermediate format data that locator data is mainly reporting of user data or location use, described locator data analysis and error information correction are according to the distribution of DATA REASONING and the dependency relation of data, and carry out position estimate roughly fast according to data with existing, locator data is revised to a certain extent according to estimated position, and according to the quantity of all parameters and type thereof and corresponding parameter estimation error regioselective method, described TOA/TDOA composite precision determines that position needs to report three and above base station information, reported data estimation error is without exception, the method using the hyperbolic based on the iterative linear correction of TOA and the TDOA compound of mobile terminal to locate, accurately locates, record location data and result, described position feedback regeneration characteristics database is accurately located, and positioning result feedback upgrades EcIo fingerprint characteristic storehouse, described mainly relies on EcIo feature database according to EcIo feature database fingerprint location, the propagation model that feature database Main Basis drive test data corrects, determine by the EcIo feature database of prediction and calculation gained and TOA/TDOA composite precision the EcIo feature database compound that position all upgrades, location needs at least Liang Ge community EcIo information to carry out fingerprint minutiae matching location, described position-based informational probability computed position, the position range of the similar above two kinds of localization methods estimation of Main Basis and user distribution situation, according to user distribution, carry out Probability estimate location.
The pinpoint method of TOA/TDOA compound:
A. initialization data, uses the hyperbolic localization method of the weighting of the improvement based on TDOA to locate;
B. based on positioning result and report TOA coefficient, TOA is revised and feedback weight coefficient;
C. the weight coefficient using step 2 to feed back uses locates based on the hyperbolic localization method of the weighting of the improvement of TDOA;
D. repetition step 2 and step 3, causes TOA and weight coefficient restrains record location data and positioning result, and process does not restrain data;
E. according to cartographic information correction positioning result, and to having the locator data of EcIo reported data simultaneously, positioning result and locator data is used to upgrade EcIo feature database.
The method of EcIo feature database fingerprint location:
A. data with existing (positioning result data and drive test data) is used to correct propagation model;
B. use the propagation model after correcting, distributed by prediction and calculation EcIo, and set up EcIo feature database;
C. for reporting EcIo information, based on EcIo feature database, according to estimated position compression hunting zone, carrying out characteristic matching, using high-precision matching method matches to locate, and record location data and result.
The present invention compared with prior art, in the present invention, parameter is closely connected, quick compound location, and feedback renewal locating information is carried out to positioning result, system has certain adaptive ability, and system has data initial analysis, positioning analysis ability, and carry out intelligent selection localization method by analysis, get rid of and process primary data, the method used in invention, according to the analysis to reported data, improve from existing method according to mathematical theory and communication technology principle, method applicability stability, computational accuracy, time complexity, space complexity is highly improved, and multiple module had both had contact compactness, and realization also has relative independentability separately, to the process of each method, there is extensibility simultaneously, to locator data and result treatment, there is uniformity, expansion of the present invention and use is made to have larger space, the present invention compensate for the deficiency that existing location technology is strong to data dependency and location applicability is not high, reduce the cost that customer position information obtains, solve in existing reported data location technology simultaneously, the problem that locating speed is slow and positioning precision is low, make customer position information can according to various available parameter quick obtaining, be worthy to be popularized.
[accompanying drawing explanation]
Fig. 1 is method flow diagram of the present invention;
Fig. 2 is the pinpoint method flow diagram of TOA/TDOA compound of the present invention;
Fig. 3 is the method flow diagram of EcIo feature database fingerprint location of the present invention.
Appointment Fig. 1 is Figure of abstract.
[embodiment]
Be described in further details the invention below in conjunction with accompanying drawing, this manufacturing technology is clearly concerning the personage of this specialty.
As shown in Figure 1, the system schematic of multi-parameter multi-method location, relate generally to cartographic information, community work parameter certificate and locator data to import, locator data is analyzed and error information correction, TOA/TDOA composite precision determines position, position feedback regeneration characteristics database, the fingerprint characteristic based on EcIo is located, the Probability estimate location etc. of position-based information.
Be described as follows:
Cartographic information, community work parameter certificate and locator data import
It is necessary preparation before location that cartographic information, community work parameter certificate and locator data import, main importing map architecture information, Clutter information, import community basic parameter and comprise the information such as grid azimuth, import the intermediate format data that locator data is mainly reporting of user data or location use.
Locator data is analyzed and error information correction
Locator data analysis and error information are modified to data processing before location, because data non-immediate Measurement accuracy data such as reporting of user data, need Data Analysis Services.The distribution of Main Basis DATA REASONING and the dependency relation of data, and carry out position estimate roughly fast according to data with existing, revise locator data to a certain extent according to estimated position, and according to the quantity of all parameters and type thereof and corresponding parameter estimation error regioselective method.
TOA/TDOA composite precision determines position
Use TOA/TDOA composite precision to determine that position needs to report three and above base station information, reported data estimation error is without exception.The method using the hyperbolic based on the iterative linear correction of TOA and the TDOA compound of mobile terminal to locate, accurately locates, record location data and result.
As shown in Figure 2, TOA/TDOA composite precision is determined an idiographic flow and is described as follows:
Step 1, initialization data, uses the hyperbolic localization method of the weighting of the improvement based on TDOA to locate;
Step 2, based on positioning result and report TOA coefficient, revises TOA and feedback weight coefficient;
Step 3, the weight coefficient using step 2 to feed back uses locates based on the hyperbolic localization method of the weighting of the improvement of TDOA;
Step 4, repetition step 2 and step 3, cause TOA and weight coefficient restrains record location data and positioning result, and process does not restrain data;
Step 5, according to cartographic information correction positioning result, and to having the locator data of EcIo reported data simultaneously, uses positioning result and locator data to upgrade EcIo feature database.
Position feedback regeneration characteristics database
For above pinpoint result, because have multistation reported data information, obtain accurate location simultaneously, EcIo fingerprint characteristic storehouse is upgraded for positioning result feedback and has a very big significance.
According to EcIo feature database fingerprint location
Mainly rely on EcIo feature database according to EcIo feature database fingerprint location, the propagation model that feature database Main Basis drive test data corrects, determine by the EcIo feature database of prediction and calculation gained and TOA/TDOA composite precision the EcIo feature database compound that position all upgrades.Location needs two or more communities EcIo information to carry out fingerprint minutiae matching location.
Shown in Fig. 3, idiographic flow and being described as follows:
Step 1, uses data with existing (positioning result data and drive test data) to correct propagation model;
Step 2, is used the propagation model after correcting, is distributed, and set up EcIo feature database by prediction and calculation EcIo;
Step 3, for reporting EcIo information, based on EcIo feature database, according to estimated position compression hunting zone, carrying out characteristic matching, using high-precision matching method matches to locate, and record location data and result.
Position-based informational probability computed position
Less or do not meet the data of above location for reported data, carry out the Probability estimate location of position-based information, the position range of the similar above two kinds of localization methods estimation of Main Basis and user distribution situation, according to user distribution, carry out Probability estimate location.
Hardware configuration system needed for enforcement
Hardware configuration system comprises:
(1) be responsible for the data acquisition interface gathering reporting of user PCMD data, be responsible for user to trigger the data in data blocks recording and sending that reports to respective server; These data acquisition interfaces are the existing data-interface of direct employing relevant device business generally;
(2) be responsible for the server accepting and store reporting of user data, be responsible for the data that reception data acquisition interface sends, and be stored in relevant position; These servers being responsible for data receiver and storage generally directly take the existing data server of mobile operator;
(3) be responsible for the server of record and acquisition community work ginseng and respective profiles, be responsible for obtaining existing network community work ginseng and respective profiles; These community work ginsengs and configuration file data are mobile operator data, and general direct use mobile operator server obtains.
(4) be responsible for the server obtaining corresponding cartographic information and process from GIS-Geographic Information System, be responsible for from GIS-Geographic Information System, obtain corresponding cartographic information, be stored as the format map of needs; This hardware configuration system uses the respective server of the GIS module of band our company independent research;
(5) be responsible for the calculation server that data importing process, simulation calculation and multi-method are located, be responsible for data importing process, simulation calculation and multi-method location.
The relation of above 5 kinds of hardware devices is: the PC of (5) or calculation server obtain reporting of user PCMD data from (2); Community work ginseng and configuration data is obtained from the data server of (3); The cartographic information after process is obtained from the server of (4); This process can by complete or human assistance completes automatically; (5) PC device or calculation server can directly accurately be located the reporting of user data obtained from (2), Probability estimate location; (5) PC device or calculation server can also use the community work ginseng and configuration that obtain from (3), the cartographic information that choice for use obtains from (4) or other cartographic informations, the pinpoint feedback data of choice for use is carried out simulation calculation and is set up fingerprint base, uses fingerprint base to carry out fingerprint location to the reporting of user data obtained from (2).
Claims (1)
1. determine the method that performs in the system of a cdma mobile terminal at multi-method composite precision for one kind, it is characterized in that described system is by cartographic information, community work parameter certificate and locator data import, locator data is analyzed and error information correction, TOA/TDOA composite precision determines position, position feedback regeneration characteristics database, fingerprint characteristic based on EcIo is located, the Probability estimate navigation system of position-based information is formed, described cartographic information, community work parameter certificate and locator data import main importing map architecture information, Clutter information, import community basic parameter and comprise grid bearing angle information, import the intermediate format data that locator data is mainly reporting of user data or location use, described locator data analysis and error information correction are according to cartographic information, community work parameter certificate and locator data import distribution and the dependency relation of the DATA REASONING obtained, and carry out position estimate roughly fast according to data with existing, locator data is revised to a certain extent according to estimated position, and according to the quantity of the parameter of all data parameters and every type and corresponding parameter estimation error regioselective method, described TOA/TDOA composite precision determines that position needs to report three and above base station information, reported data estimation error is without exception, the method using the hyperbolic based on the iterative linear correction of TOA and the TDOA compound of mobile terminal to locate, accurately locates, record location data and result, described position feedback regeneration characteristics database is accurately located, positioning result feedback characteristic database update EcIo feature database, described relies on EcIo feature database according to EcIo characteristic fingerprint location is main, the propagation model that EcIo feature database Main Basis drive test data corrects, determine by the EcIo feature database of prediction and calculation gained and TOA/TDOA composite precision the EcIo feature database compound that position all upgrades, location needs at least Liang Ge community EcIo information to carry out fingerprint minutiae matching location, described position-based informational probability computed position, the position range of Main Basis estimation and user distribution situation, according to user distribution, carry out Probability estimate location,
The pinpoint method of TOA/TDOA compound is specially:
A. initialization data, uses the hyperbolic localization method of the weighting of the improvement based on TDOA to locate;
B. based on positioning result and report TOA coefficient, TOA is revised and feedback weight coefficient;
C. use the weight coefficient of step b feedback to use to locate based on the hyperbolic localization method of the weighting of the improvement of TDOA;
D. step b and step c is repeated, to TOA and weight coefficient convergence, record location data and positioning result, and process does not restrain data;
E. according to cartographic information correction positioning result, and to having the locator data of EcIo reported data simultaneously, positioning result and locator data is used to upgrade EcIo feature database;
The method of EcIo characteristic fingerprint location is:
A. the positioning result data of data with existing and drive test data is used to correct propagation model;
B. use the propagation model after correcting, distributed by prediction and calculation EcIo, and set up EcIo feature database;
C. for reporting EcIo information, based on EcIo feature database, according to estimated position compression hunting zone, carrying out characteristic matching, using high-precision matching method matches to locate, and record location data and result.
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| JP6301085B2 (en) * | 2013-08-09 | 2018-03-28 | 株式会社Ｎｔｔドコモ | User device and area information notification method |
| US20170067982A1 (en) * | 2013-12-26 | 2017-03-09 | Lntel Corporation | Method and apparatus for cross device automatic calibration |
| CN105611568B (en) * | 2015-11-11 | 2019-01-01 | 北京电旗通讯技术股份有限公司 | A method of LTE terminal position is accurately positioned based on MRO measurement report |
| CN111065045B (en) * | 2019-11-04 | 2021-06-15 | 广东博智林机器人有限公司 | Matching positioning method and device, electronic equipment and computer readable medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6901264B2 (en) * | 2001-04-25 | 2005-05-31 | Makor Issues And Rights Ltd. | Method and system for mobile station positioning in cellular communication networks |
| CN102045734A (en) * | 2010-12-10 | 2011-05-04 | 上海百林通信软件有限公司 | TD-SCDMA (time division-synchronization code division multiple access) system parameter method based on automatic scene analysis |
| CN102221685A (en) * | 2011-06-08 | 2011-10-19 | 东南大学 | Code division multiple access (CDMA) wireless positioning method suitable for ultra-tight global positioning system (GPS)/strap-down inertial navigation system (SINS) integration |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6901264B2 (en) * | 2001-04-25 | 2005-05-31 | Makor Issues And Rights Ltd. | Method and system for mobile station positioning in cellular communication networks |
| CN102045734A (en) * | 2010-12-10 | 2011-05-04 | 上海百林通信软件有限公司 | TD-SCDMA (time division-synchronization code division multiple access) system parameter method based on automatic scene analysis |
| CN102221685A (en) * | 2011-06-08 | 2011-10-19 | 东南大学 | Code division multiple access (CDMA) wireless positioning method suitable for ultra-tight global positioning system (GPS)/strap-down inertial navigation system (SINS) integration |
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