CN105676232A - GPS module positioning effectiveness verifying method and device - Google Patents
GPS module positioning effectiveness verifying method and device Download PDFInfo
- Publication number
- CN105676232A CN105676232A CN201511031924.9A CN201511031924A CN105676232A CN 105676232 A CN105676232 A CN 105676232A CN 201511031924 A CN201511031924 A CN 201511031924A CN 105676232 A CN105676232 A CN 105676232A
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- satellite
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/20—Integrity monitoring, fault detection or fault isolation of space segment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
- G01S19/258—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to the satellite constellation, e.g. almanac, ephemeris data, lists of satellites in view
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/29—Acquisition or tracking or demodulation of signals transmitted by the system carrier including Doppler, related
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The present invention discloses a GPS module positioning validity verifying method and device. The GPS module positioning effectiveness verifying method comprises the steps of obtaining the satellite positioning information, wherein the satellite positioning information at least comprises four effective positioning satellites and the numbers of the effective positioning satellites; obtaining the carrier-to-noise ratios of the effective positioning satellites; judging whether the carrier-to-noise ratios are between 30 and 65; if the carrier-to-noise ratios are between 30 and 65, determining the GPS module positioning is effective. According to the present invention, the GPS module positioning effectiveness verification is simpler and more accurate.
Description
Technical field
The present invention relates to a kind of GPS module location validation verification method and apparatus.
Background technology
Due to the fast development in existing Internet of Things field, in fast development this field especially of car networking most one of field having application prospect. Current vehicle module has GPS positioning function all substantially, so can grasp the effective informations such as wheelpath, speed, orientation in real time.
And now the more commonly used location technology has GPS location technology, GLONASS location technology, Big Dipper location technology, Galileo location technology. GPS location technology is as the most frequently used, and it is made up of 24 satellites, is distributed in 6 intersection points mutually in the orbital plane of 60 degree, and positioning precision is approximately in about 10 meters, dual-use.
Car networking utilizes the effectively equipment being loaded on vehicle to get current service condition, and the location information following the trail of vehicle and driving trace is got in real time by GPS geo-location system, by 4G network or other wireless mobile telecommunication technologies, the information of acquisition is transmitted, and the quality of GPS module performance will directly affect real-time accuracy and the susceptiveness of the information of vehicles finally got.
GPS module is after the positioning, the location information of last time can be remained, but, if the time that GPS module is placed for a long time or has been moved to the place outside hundreds of kilometer, the location information of these reservations will not have reference significance, so, need during location to wait the longer time, in order to GPS module obtains and positions information accurately. The positioning precision of current GPS alignment system is reflected by multiple parameters such as positioning time, satellite longitude and latitude, number of satellites, but the evaluation index of each parameter obscures, for evaluating roughly the location effectiveness of GPS, rather than the location effectiveness of exact evaluation GPS.
Summary of the invention
The present invention provides a kind of GPS module location validation verification method and apparatus, it is intended to solve in prior art, positions, for GPS module, the problem that whether effective evaluation is not accurate enough.
For realizing object above, the present invention provides a kind of GPS module location validation verification method, comprises:
Obtaining satellite positioning information, described satellite positioning information is including at least the numbering of 4 effective position location satellites and each effective position location satellite;
Obtain the carrier-to-noise ratio of described effective position location satellite;
Judge that described carrier-to-noise ratio is whether between 30 and 65; If described carrier-to-noise ratio is between 30 and 65, then judge GPS module location effectively.
Further, the carrier-to-noise ratio of described effective position location satellite was obtained once every one second.
Further, described satellite is GPS position location satellite or GLONASS satellite.
Further, described carrier-to-noise ratio is shown in the interface of serial ports instrument in real time.
And for realizing object above, the present invention also provides for a kind of GPS module location validation verification device, comprises:
Satellite acquiring unit, is used for obtaining satellite positioning information, and described satellite positioning information is including at least the numbering of 4 effective position location satellites and each effective position location satellite;
Carrier-to-noise ratio unit, for obtaining the carrier-to-noise ratio of described effective position location satellite;
Judging unit, it is judged that whether described carrier-to-noise ratio is between 30 to 65; If described carrier-to-noise ratio is between described 30 and 65, then judge GPS module location effectively.
Further, described carrier-to-noise ratio unit was further arranged to: obtained once the carrier-to-noise ratio of described effective positioning GPS satellite every one second.
Further, described satellite is GPS position location satellite or GLONASS satellite.
Further, also comprise display unit, for showing described carrier-to-noise ratio in real time by serial ports instrument.
The GPS module location validation verification method and apparatus that the present invention realizes, by using carrier-to-noise ratio as checking index, it is simple that the checking making GPS module location effectiveness becomes, and the result is accurate, it is possible to effectively helps various GPS module application apparatus to realize location more accurately.
Accompanying drawing explanation
A kind of GPS module location validation verification method flow schematic diagram that Fig. 1 provides for the embodiment of the present invention one;
A kind of GPS module location validation verification method flow schematic diagram that Fig. 2 provides for the embodiment of the present invention two;
A kind of GPS module location validation verification apparatus structure schematic diagram that Fig. 3 provides for the embodiment of the present invention three.
Detailed description of the invention
Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Embodiment one
With reference to shown in Fig. 1, the embodiment of the present invention one provides a kind of GPS module location validation verification method, comprises the steps of
S101, obtains gps satellite location information, and described gps satellite location information is including at least the numbering of 4 effective positioning GPS satellites and each effective positioning GPS satellite;
Concrete, described gps satellite location information comprises the carrier-to-noise ratio of gps satellite number, gps satellite numbering and gps satellite;
When being typically in carrying out comparatively accurate 3D location, at least to get 4 gps satellite location information, no more than 12 satellites.
S102, obtains the carrier-to-noise ratio of described effective positioning GPS satellite;
Concrete, while obtaining the gps satellite of described effective location, also obtaining the carrier-to-noise ratio of these gps satellites effectively positioned, it is as follows that the NMEA-0183 of carrier-to-noise ratio returns form:
Example:
$GPGSV,3,1,10,20,78,331,45,01,59,235,47,22,41,069,,13,32,252,45*70
Wherein:
Field 3: current visible satellite sum (00-12) (leading figure place deficiency then mends 0)
Field 7: signal to noise ratio (00-99) dbHz
Field 11: signal to noise ratio (00-99) dbHz
Field 15: signal to noise ratio (00-99) dbHz
In order to make location information be consistent with current state, the carrier-to-noise ratio of described effective position location satellite is obtained once every one second, it is of course possible to be obtained once the carrier-to-noise ratio of described effective position location satellite every half second or obtain once the carrier-to-noise ratio of described effective position location satellite every other times, it is arranged as required to. Described carrier-to-noise ratio can be shown in the interface of serial ports instrument in real time, and with understand the refresh case of carrier-to-noise ratio in good time.
S103, it is judged that whether described carrier-to-noise ratio is between 30 and 65; If described carrier-to-noise ratio is between described 30 and 65, then judge GPS module location effectively.
The GPS module location validation verification method of implementation above, the GPS got is positioned information and carries out suitable process, the carrier-to-noise ratio of current GPS alignment system Satellite number, satellite number and satellite can be got, after a period of time of location, by arranging certain threshold value, for instance being set as that number of satellites is not less than 4, carrier-to-noise ratio value is between 30 to 65, just it is believed that the GPS module performance of test reaches requirement, meet actually used GPS module thus picking out.
Embodiment two
With reference to shown in Fig. 2, the embodiment of the present invention two provides a kind of GPS module location validation verification method, comprises the steps of
S201, obtains GLONASS satellite location information, and described GLONASS satellite location information is including at least the numbering of 4 effective location GLONASS satellite and each effective location GLONASS satellite;
General car is being supported outside gps satellite alignment system in system, also supports GLONASS satellite alignment system, so can also be positioned by acquisition GLONASS satellite location information.
S202, obtains the carrier-to-noise ratio of described effective location GLONASS satellite;
GPS location getting GPGSV location information and carries out suitable parameter modification and adjustment as required, write AT command processing function at application side, the GPS obtained is positioned information and processes, return value adopts following form:
Instruction format: .GLONASS number of satellites, satellite number, satellite signal to noise ratio, satellite number, satellite signal to noise ratio, satellite number, satellite signal to noise ratio ...
Example:
+ZGPSCNR:9,12,39,13,45,14,40,15,40,16,40,17,40,18,40,19,00,20,40,9,12,39,13,45,14,40,15,40,16,40,17,40,18,40,19,00,20,40
S203, carrier-to-noise ratio is shown in the interface of serial ports instrument in real time;
In order to make location information be consistent with current state, at least obtained once the carrier-to-noise ratio of described effective GLONASS satellite every one second. Described carrier-to-noise ratio can be shown in the interface of serial ports instrument in real time, and with understand the refresh case of carrier-to-noise ratio in good time.
S204, it is judged that whether described carrier-to-noise ratio is between 30 and 65; If described carrier-to-noise ratio is between described 30 and 65, then judge GPS module location effectively.
The GPS module location validation verification method of implementation above, the GLONASS got is positioned information and carries out suitable process, current GLONASS alignment system Satellite number can be got, the carrier-to-noise ratio of satellite number and satellite, and implementing the described carrier-to-noise ratio of display on serial ports display device, after a period of time of location, by arranging certain threshold value, such as set GLONASS satellite number and be not less than 4, carrier-to-noise ratio value is between 30 to 65, just it is believed that the GPS module performance of test reaches requirement, actually used GPS module is met thus picking out.
Embodiment three
With reference to Fig. 3, the embodiment of the present invention three provides a kind of GPS module location validation verification device, comprises satellite acquiring unit 10, carrier-to-noise ratio unit 20, it is judged that unit 30.
Satellite acquiring unit 10, is used for obtaining satellite positioning information, and described satellite positioning information is including at least the numbering of 4 effective position location satellites and each effective position location satellite;
Concrete, general major part positioner all supports that GPS location and GLONASS position two kinds of systems, so, the described satellite positioning information of acquisition, it is possible to be the information of GPS position location satellite, it is also possible to be the information of GLONASS position location satellite. The general accuracy in order to ensure location, should at least obtain 4 effective Positioning Satellite information.
Carrier-to-noise ratio unit 20, for obtaining the carrier-to-noise ratio of described effective position location satellite;
Judging unit 30, it is judged that whether described carrier-to-noise ratio is between 30 and 65; If described carrier-to-noise ratio is between described 30 and 65, then judge GPS module location effectively.
Display unit can also be set, the carrier-to-noise ratio of effective position location satellite that described display unit is obtained by serial ports display carrier-to-noise ratio unit.
During use, GPS module is connected with computer, guarantee that GPS module can return specific format information, open serial ports instrument display unit and send AT, judge whether the number of satellites obtained and satellite carrier-to-noise ratio meet the requirements, if the number of satellites obtained is at least 4, and satellite carrier-to-noise ratio is between 30 and 65, it is determined that this GPS module location is effectively.
The GPS module location validation verification device of implementation above, by using carrier-to-noise ratio as checking index, what make that the checking of GPS module location effectiveness becomes is simple, and the result is accurate, it is possible to effectively help various GPS module application apparatus to realize location more accurately.
Describe the preferred embodiments of the present invention above by reference to accompanying drawing, not thereby limit to the interest field of the present invention. Those skilled in the art are without departing from the scope of the present invention and essence, it is possible to have multiple flexible program to realize the present invention, and the feature for example as an embodiment can be used for another embodiment and obtains another embodiment. All any amendment, equivalent replacement and improvement made within the technology design using the present invention, all should within the interest field of the present invention.
Claims (8)
1. a GPS module location validation verification method, it is characterised in that comprise:
Obtaining satellite positioning information, described satellite positioning information is including at least the numbering of 4 effective position location satellites and each effective position location satellite;
Obtain the carrier-to-noise ratio of described effective position location satellite;
Judge that described carrier-to-noise ratio is whether between 30 and 65; If described carrier-to-noise ratio is between 30 and 65, then judge GPS module location effectively.
2. GPS module according to claim 1 location validation verification method, it is characterised in that:
The carrier-to-noise ratio of described effective position location satellite is obtained once every one second.
3. GPS module according to claim 1 and 2 location validation verification method, it is characterised in that: described satellite is GPS position location satellite or GLONASS satellite.
4. GPS module according to claim 1 location validation verification method, it is characterised in that: described carrier-to-noise ratio is shown in the interface of serial ports instrument in real time.
5. a GPS module location validation verification device, it is characterised in that comprise:
Satellite acquiring unit, is used for obtaining satellite positioning information, and described satellite positioning information is including at least the numbering of 4 effective position location satellites and each effective position location satellite;
Carrier-to-noise ratio unit, for obtaining the carrier-to-noise ratio of described effective position location satellite;
Judging unit, it is judged that whether described carrier-to-noise ratio is between 30 and 65; If described carrier-to-noise ratio is between 30 and 65, then judge GPS module location effectively.
6. GPS module according to claim 5 location validation verification device, it is characterised in that described carrier-to-noise ratio unit is further arranged to: obtained once the carrier-to-noise ratio of described effective positioning GPS satellite every a second.
7. the GPS module location validation verification device according to claim 5 or 6, it is characterised in that described satellite is GPS position location satellite or GLONASS satellite.
8. GPS module according to claim 5 location validation verification device, it is characterised in that also comprise display unit, for showing described carrier-to-noise ratio in real time by serial ports instrument.
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| CN201511031924.9A CN105676232A (en) | 2015-12-31 | 2015-12-31 | GPS module positioning effectiveness verifying method and device |
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| CN201511031924.9A CN105676232A (en) | 2015-12-31 | 2015-12-31 | GPS module positioning effectiveness verifying method and device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680839A (en) * | 2016-12-26 | 2017-05-17 | 珠海德百祺科技有限公司 | Satellite positioning interference detection method and apparatus |
| CN106918827A (en) * | 2017-03-31 | 2017-07-04 | 北京京东尚科信息技术有限公司 | Gps data Effective judgement method and apparatus |
| CN107247280A (en) * | 2017-04-21 | 2017-10-13 | 中国科学院光电研究院 | A kind of orientation authentication and processing method and processing device |
| CN107884788A (en) * | 2017-10-26 | 2018-04-06 | 慧众行知科技（北京）有限公司 | A kind of position location satellite screening technique and system |
| CN108363082A (en) * | 2018-02-02 | 2018-08-03 | 上海康斐信息技术有限公司 | A kind of method and device reducing GPS positioning power consumption |
| CN110597252A (en) * | 2019-09-03 | 2019-12-20 | 安徽江淮汽车集团股份有限公司 | Fusion positioning control method, device and equipment for automatic driving automobile and storage medium |
| CN111045037A (en) * | 2019-10-14 | 2020-04-21 | 广东星舆科技有限公司 | Method and device for testing high-precision positioning capability of intelligent terminal |
| CN111158030A (en) * | 2020-01-17 | 2020-05-15 | 珠海格力电器股份有限公司 | Satellite positioning method and device |
| WO2021213525A1 (en) * | 2020-04-24 | 2021-10-28 | 北京智行者科技有限公司 | Self-adaptive method for identifying gps erroneous observation value, and storage medium, product and systems |
-
2015
- 2015-12-31 CN CN201511031924.9A patent/CN105676232A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680839A (en) * | 2016-12-26 | 2017-05-17 | 珠海德百祺科技有限公司 | Satellite positioning interference detection method and apparatus |
| CN106680839B (en) * | 2016-12-26 | 2019-04-26 | 珠海德百祺科技有限公司 | Satellite positioning interference detection method and device |
| CN106918827A (en) * | 2017-03-31 | 2017-07-04 | 北京京东尚科信息技术有限公司 | Gps data Effective judgement method and apparatus |
| CN107247280A (en) * | 2017-04-21 | 2017-10-13 | 中国科学院光电研究院 | A kind of orientation authentication and processing method and processing device |
| CN107247280B (en) * | 2017-04-21 | 2020-01-24 | 中国科学院光电研究院 | Positioning authentication and processing method and device |
| CN107884788A (en) * | 2017-10-26 | 2018-04-06 | 慧众行知科技（北京）有限公司 | A kind of position location satellite screening technique and system |
| CN108363082A (en) * | 2018-02-02 | 2018-08-03 | 上海康斐信息技术有限公司 | A kind of method and device reducing GPS positioning power consumption |
| CN110597252A (en) * | 2019-09-03 | 2019-12-20 | 安徽江淮汽车集团股份有限公司 | Fusion positioning control method, device and equipment for automatic driving automobile and storage medium |
| CN111045037A (en) * | 2019-10-14 | 2020-04-21 | 广东星舆科技有限公司 | Method and device for testing high-precision positioning capability of intelligent terminal |
| CN111158030A (en) * | 2020-01-17 | 2020-05-15 | 珠海格力电器股份有限公司 | Satellite positioning method and device |
| WO2021213525A1 (en) * | 2020-04-24 | 2021-10-28 | 北京智行者科技有限公司 | Self-adaptive method for identifying gps erroneous observation value, and storage medium, product and systems |
| US11598885B2 (en) | 2020-04-24 | 2023-03-07 | Beijing Idriverplus Information Technology Co., Ltd. | Method for adaptive identification of erroneous GPS observed value |
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Address after: MINDRAY building, 518000 Guangdong city of Shenzhen province Nanshan District Guangdong streets high-tech industrial park of science and technology 12 South Road 2 B zone C Applicant after: Shenzhen ZTEWelink Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District High-tech Park North Beihuan Road No. 9018 building A block 9 layer's innovation Applicant before: SHENZHEN ZTEWELINK TECHNOLOGY CO., LTD. |
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Application publication date: 20160615 |