CN102636789A - Rapid assisted positioning method for GPS (global positioning system) on portable mobile platform - Google Patents
Rapid assisted positioning method for GPS (global positioning system) on portable mobile platform Download PDFInfo
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- CN102636789A CN102636789A CN2012100785239A CN201210078523A CN102636789A CN 102636789 A CN102636789 A CN 102636789A CN 2012100785239 A CN2012100785239 A CN 2012100785239A CN 201210078523 A CN201210078523 A CN 201210078523A CN 102636789 A CN102636789 A CN 102636789A
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Abstract
The invention provides a rapid assisted positioning method for a GPS (global positioning system) on a portable mobile platform. The method includes the steps: firstly, arranging a WIFI (wireless fidelity) base band and a GSM (global system for mobile communications) base band on the portable mobile platform; secondly, reporting fuzzy position information provided by the WIFI base band and the GSM base band to a fuzzy adaptation layer; screening priority levels by the aid of the fuzzy adaptation layer; and transmitting data to a network satellite database by the aid of a map engine and precisely setting data parameters needed by the GPS after satellite parameter matching to realize rapid assisted positioning with the double base bands. Without increasing hardware cost, cold boot for the GPS is realized, a portable mobile device can be rapidly positioned indoors, and positioning precision is high.
Description
[technical field]
The present invention relates to global positioning satellite and navigation field, relate in particular to the method for the quick assist location of GPS on a kind of portable mobile platform.
[background technology]
Portable mobile working platform is a platform of going up the running fix of using at mobile device (PDA and notebook).Interactively location, navigation, voice and video service can be provided between PDA, Laptop & Desktop.
The GPS positioning function of portable mobile apparatus generally is in the base band positional information input database with mobile device, and this database provides the general network satellite database that the merchant sets up, the base band positional information that is used to store each mobile device; After mobile device arrived this database through network insertion, the positional information of inquiry mobile device this moment was promptly accomplished the GPS positioning function in database.Current portable mobile platform product is standard configuration GPS positioning function basically, and the GPS locating speed is slow, and the cold start-up time is long, and equipment is lower in the indoor positioning accuracy; Start if adopt the AGPS chip to quicken GPS, increased production cost of products so again greatly, and because GSM base station wide coverage, fuzzy region increases, and user experience is not enough.
A kind of " the GPS receiver signal deletion condition continues the method for tracking and location down " is provided in the prior art; See that publication number is: CN101430373; Open day be: the Chinese patent of 2009.05.13, this method unique point is: comprise 1, signal deletion condition whether occurs according to receiving estimating of signal intensity; 2, select to get into normal the tracking or pseudo-the tracking according to signal deletion condition; 3, signal just often gets into normally and follows the tracks of, and calculates and storing satellite signal trace information; 4, during signal deletion, the satellite-signal trace information that utilizes signal just often to store carries out puppet to be followed the tracks of; Wherein, said pseudo-tracking during signal deletion, utilizes the satellite-signal trace information of storage in receiver, to produce reproduction carrier wave and reproduction sign indicating number, keeps the tracking mode to satellite-signal; Said pseudo-tracking, the puppet under the signal deletion are followed the tracks of and are held time less than preset holding time, and signal reproduction within this preset holding time then withdraws from pseudo-the tracking, gets into normally and follows the tracks of; Surpass the signal of should preset holding time and still lack, then withdraw from pseudo-the tracking, entering is recaptured.Puppet under the sort signal deletion condition is followed the tracks of the baseband processing chip that is applicable to the GPS receiver of any type with localization method; Can greatly improve receiver robustness and startup and locating speed, and simple in structure, and the chip area expense is little; Cost is low, and it is convenient to transplant.This invention is to the tracking that receives realization under the signal deletion condition and the method for location, and when it was signal deletion, the satellite-signal trace information that utilizes signal just often to store carries out puppet to be followed the tracks of.
A kind of " GSM/GPS module, and comprise the GPS positioning system and the method for application thereof of the communication terminal of this module " also is provided in the prior art, seen that publication number is: CN101788658A; Open day be: the Chinese patent of 2010.07.28; The unique point of this GSM/GPS module is: comprise a GPS module, and a gsm module, this gsm module is a GSM baseband chip; It also comprises a GPS navigation information calculations module, and it is used to send action command and calculates the satellite data that receives; One GPS application module is used to receive the instruction that the user sends; And a GSM fundamental operation system module, be used to store the navigation information data that this GPS navigation information calculations module calculates.The method of application of this GPS positioning system comprises step: S1, GPS application module send the GPS positioning instruction and start GPS navigation information calculations module; S2, GPS navigation information calculations module start the GPS chip; S3, GPS chip receive measurement data through radio-frequency antenna; S4, GPS chip are transferred to GPS navigation information calculations module with the measurement data that receives; S5, GPS navigation information calculations module measurement data is calculated and with information transmission to the GPS application module, and in fundamental operation system module canned data; S6, GPS application module send instruction and close gps system.The expansion of GPS navigation program upgrade and system is convenient in this invention.This invention mainly is how to realize the GPS of communication terminal location, and it is through the realization of cooperating each other of GSM baseband chip, GPS navigation information calculations module, GPS application module and GSM fundamental operation system module.
[summary of the invention]
The technical matters that the present invention will solve is to provide the method for the quick assist location of GPS on a kind of portable mobile platform, has realized the quick cold start-up of GPS, and portable mobile apparatus also can be located indoor fast, and the degree of accuracy of location is high.
The present invention is achieved in that the method for the quick assist location of GPS on a kind of portable mobile platform, and said portable mobile platform is provided with WIFI base band and GSM base band, and this method specifically comprises the steps:
The engine map of step 10, the portable mobile platform of startup, inquiry are also judged the Current GPS state, if the GPS state is a cold start, then get into step 20; If the GPS state is not a cold start, then carry out the GPS self poisoning, and process ends;
Step 20, the WIFI base band and the GSM base band that start portable mobile platform are carried out query, and the base station position information that base station position information that the WIFI base band is obtained and GSM base band are obtained passes to the fuzzy adaptation layer of portable mobile platform; Residing longitude in base station and latitude have all been comprised in the base station position information that said two groups of base band are obtained; Said fuzzy adaptation layer is to be used to compare two groups of base band to transmit next base station position information; If longitude in the base station position information of two groups of base band and latitude numerical value are all close; Then get the base station position information that the WIFI base band is transmitted, if not then getting the base station position information that the GSM base band is transmitted; Said fuzzy adaptation layer was transmitted the base station position information that comes with two groups of base band and was compared and obtain fuzzy message this moment, and said fuzzy message is to blur the base station position information that base station position information that the WIFI base band obtained after adaptation layer is compared transmitted or GSM base band are transmitted; And in the network satellite database, inquire about according to fuzzy message;
Step 30, inquiry obtain the needed data parameters of GPS, and said data parameters configuration comprises: the elevation information of the satellite of the top of current portable mobile apparatus region, elevation information, the quantity information of satellite in azimuth information and the current spatial domain; GPS with the data parameters information configuration in the GPS base band, thereby the navigation satellite sends the NMEA-0183 Location Request fast, accomplishes the quick location of GPS.
The present invention has following advantage: the present invention is provided with earlier WIFI base band and GSM base band on portable mobile platform; The fuzz locating information that adopts WIFI base band and GSM base band to provide then; Report fuzzy adaptation layer; After fuzzy adaptation layer is carried out the choosing of priority plug, pass to the network satellite database through engine map and carry out the accurately needed data parameters of setting GPS of satellite parametric reduction coupling back, thereby realize the auxiliary location fast of double-basis band.The present invention need not increase on the basis of hardware cost, has realized the quick cold start-up of GPS, and portable mobile apparatus also can be located indoor fast, and the degree of accuracy of location is high.。
[description of drawings]
Fig. 1 is a method flow synoptic diagram of the present invention.
Fig. 2 is a theory diagram of the present invention.
[embodiment]
See also illustrated in figures 1 and 2ly, the method for the quick assist location of GPS on a kind of portable mobile platform of the present invention earlier is provided with WIFI base band and GSM base band at said portable mobile platform, and this method specifically comprises the steps:
The engine map of step 10, the portable mobile platform of startup, inquiry are also judged the Current GPS state, if the GPS state is a cold start, then get into step 20; If the GPS state is not a cold start, then carry out the GPS self poisoning, and process ends; Wherein judge the Current GPS state; Be to go out the satellite data information that searches in the Current GPS, if the satellite data information that searches is satellite-signal not good (satellite-signal is not good promptly to have satellite-signal, but signal can't not use by force) zero or that search according to GPS communications protocol format analysis; Then; Current GPS is cold start-up, otherwise Current GPS is not cold start-up.
Step 20, the WIFI base band and the GSM base band that start portable mobile platform are carried out query, and the base station position information that base station position information that the WIFI base band is obtained and GSM base band are obtained passes to the fuzzy adaptation layer of portable mobile platform; Residing longitude in base station and latitude have all been comprised in the base station position information that said two groups of base band are obtained; Said fuzzy adaptation layer is to be used to compare two groups of base band to transmit next base station position information; If longitude in the base station position information of two groups of base band and latitude numerical value all close (longitude and the latitude numerical value that are longitude and the latitude numerical value of the base station position information that obtains of WIFI base band and the base station position information that the GSM base band is obtained are all close); Then get the base station position information that the WIFI base band is transmitted, if not then getting the base station position information that the GSM base band is transmitted; Because the address assignment of some WIFI operator is not enough; Can't FX use the fixed address section; Thereby the incorrect deviation that causes of base station position information that causes the access point of WIFI base band; Then adopt the base station position information of fixing GSM base band this moment; And if WIFI base band and GSM base band information are roughly the same, then the base station position information (longitude and latitude) of the access point of WIFI base band is accurately at this moment, and the base station position information of the access point of employing WIFI base band is more accurate than the base station position information of GSM base band.Said fuzzy adaptation layer was transmitted the base station position information that comes with two groups of base band and was compared and obtain fuzzy message this moment, and said fuzzy message is to blur the base station position information that base station position information that the WIFI base band obtained after adaptation layer is compared transmitted or GSM base band are transmitted; And in network satellite database (the network satellite data is a database of the prior art, its can referring to " the network satellite database " pointed out in the background technology), inquire about according to fuzzy message;
Step 30, inquiry obtain the needed data parameters of GPS, and said data parameters configuration comprises: the elevation information of the satellite of the top of current portable mobile apparatus region, elevation information, the quantity information of satellite in azimuth information and the current spatial domain; GPS with the data parameters information configuration in the GPS base band, thereby the navigation satellite sends the NMEA-0183 Location Request fast, accomplishes the quick location of GPS.
The present invention is provided with earlier WIFI base band and GSM base band on portable mobile platform; The fuzz locating information that adopts WIFI base band and GSM base band to provide then; Report fuzzy adaptation layer; After fuzzy adaptation layer is carried out the choosing of priority plug, pass to the network satellite database through engine map and carry out the accurately needed data parameters of setting GPS of satellite parametric reduction coupling back, thereby realize the auxiliary location fast of double-basis band.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (2)
1. the method for the quick assist location of GPS on the portable mobile platform, it is characterized in that: said portable mobile platform is provided with WIFI base band and GSM base band, and this method specifically comprises the steps:
The engine map of step 10, the portable mobile platform of startup, inquiry are also judged the Current GPS state, if the GPS state is a cold start, then get into step 20; If the GPS state is not a cold start, then carry out the GPS self poisoning, and process ends;
Step 20, the WIFI base band and the GSM base band that start portable mobile platform are carried out query, and the base station position information that base station position information that the WIFI base band is obtained and GSM base band are obtained passes to the fuzzy adaptation layer of portable mobile platform; Residing longitude in base station and latitude have all been comprised in the base station position information that said two groups of base band are obtained; Said fuzzy adaptation layer is to be used to compare two groups of base band to transmit next base station position information; If longitude in the base station position information of two groups of base band and latitude numerical value are all close; Then get the base station position information that the WIFI base band is transmitted, if not then getting the base station position information that the GSM base band is transmitted; Said fuzzy adaptation layer was transmitted the base station position information that comes with two groups of base band and was compared and obtain fuzzy message this moment, and said fuzzy message is to blur the base station position information that base station position information that the WIFI base band obtained after adaptation layer is compared transmitted or GSM base band are transmitted; And in the network satellite database, inquire about according to fuzzy message;
Step 30, inquiry obtain the needed data parameters of GPS, and said data parameters configuration comprises: the elevation information of the satellite of the top of current portable mobile apparatus region, elevation information, the quantity information of satellite in azimuth information and the current spatial domain; GPS with the data parameters information configuration in the GPS base band, thereby the navigation satellite sends the NMEA-0183 Location Request fast, accomplishes the quick location of GPS.
2. the method for the quick assist location of GPS on the portable mobile platform according to claim 1; It is characterized in that: judging the Current GPS state in the step 10, is to go out the satellite data information that searches in the Current GPS according to GPS communications protocol format analysis, if the satellite data information that searches is that satellite-signal zero or that search is not good; Then; Current GPS is cold start-up, otherwise Current GPS is not cold start-up.
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| CN103675879A (en) * | 2012-09-21 | 2014-03-26 | 东莞市泰斗微电子科技有限公司 | Positioning monitoring system and method |
| CN105554696A (en) * | 2015-07-09 | 2016-05-04 | 宇龙计算机通信科技(深圳)有限公司 | Call processing method, mobile terminal, and server |
| CN109195220A (en) * | 2018-09-19 | 2019-01-11 | 四川爱联科技有限公司 | Wireless data terminal system based on NB-IoT communication plus WIFI auxiliary positioning |
| CN110058271A (en) * | 2019-04-29 | 2019-07-26 | 广东工业大学 | A kind of method for capturing and tracing of satellite-signal, device and satellite signal receiver |
| WO2020155985A1 (en) * | 2019-02-02 | 2020-08-06 | 中兴通讯股份有限公司 | Terminal global positioning system (gps) module cold start method, device, terminal, and storage medium |
| CN111988742A (en) * | 2020-08-12 | 2020-11-24 | 四川康佳智能终端科技有限公司 | Positioning method based on narrowband Internet of things and NBIOT positioning equipment |
| CN113759405A (en) * | 2020-06-04 | 2021-12-07 | 深圳市万普拉斯科技有限公司 | GPS positioning acceleration system, method, device, computer equipment and storage medium |
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| CN103675879A (en) * | 2012-09-21 | 2014-03-26 | 东莞市泰斗微电子科技有限公司 | Positioning monitoring system and method |
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| WO2020155985A1 (en) * | 2019-02-02 | 2020-08-06 | 中兴通讯股份有限公司 | Terminal global positioning system (gps) module cold start method, device, terminal, and storage medium |
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| CN111522045B (en) * | 2019-02-02 | 2024-02-23 | 中兴通讯股份有限公司 | GPS module cold start method and device of terminal, terminal and storage medium |
| CN110058271A (en) * | 2019-04-29 | 2019-07-26 | 广东工业大学 | A kind of method for capturing and tracing of satellite-signal, device and satellite signal receiver |
| CN113759405A (en) * | 2020-06-04 | 2021-12-07 | 深圳市万普拉斯科技有限公司 | GPS positioning acceleration system, method, device, computer equipment and storage medium |
| CN111988742A (en) * | 2020-08-12 | 2020-11-24 | 四川康佳智能终端科技有限公司 | Positioning method based on narrowband Internet of things and NBIOT positioning equipment |
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