CN111988842A - Mobile phone positioning method and system based on cloud and edge calculation - Google Patents
Mobile phone positioning method and system based on cloud and edge calculation Download PDFInfo
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- CN111988842A CN111988842A CN202010710477.4A CN202010710477A CN111988842A CN 111988842 A CN111988842 A CN 111988842A CN 202010710477 A CN202010710477 A CN 202010710477A CN 111988842 A CN111988842 A CN 111988842A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
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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
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
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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
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/40—Correcting position, velocity or attitude
- G01S19/41—Differential correction, e.g. DGPS [differential GPS]
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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
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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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)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention provides a mobile phone positioning method and a mobile phone positioning system based on cloud and edge calculation.
Description
Technical Field
The invention relates to the technical field of mobile phone positioning, in particular to a mobile phone positioning method and system based on cloud and edge calculation.
Background
At present, the domestic mobile phone positioning technology mainly has three modes: the positioning technology based on a mobile phone base station, the positioning technology based on a wireless local area network and the positioning technology based on GPS or Beidou. The positioning accuracy based on the mobile phone base station is the worst, the positioning accuracy based on the wireless local area network is slightly higher but is influenced by the signal range of the wireless local area network, the positioning based on the GPS or the Beidou is the most common positioning mode, but the civil positioning accuracy is 10 meters at most, the general navigation requirement can be met, and the sub-meter positioning accuracy cannot be reached. In order to improve the accuracy, a differential positioning technology needs to be introduced to improve the positioning accuracy, but the introduction of the differential positioning needs a positioning chip of the mobile phone to support the differential positioning technology, but the existing mobile phone cannot directly support the differential positioning technology.
Disclosure of Invention
The invention aims to provide a mobile phone positioning method and system based on cloud and edge calculation, and aims to solve the problem of low mobile phone positioning precision in the prior art, realize high-precision calculation of mobile phone positioning, improve the positioning precision of a mobile phone, and improve the navigation experience of mobile phone users.
In order to achieve the technical purpose, the invention provides a mobile phone positioning method based on cloud and edge calculation, which comprises the following operations:
deploying foundation enhancement equipment, and reporting observed quantity data to a cloud end in real time through the foundation enhancement equipment;
acquiring mobile phone positioning information from a mobile phone, and sending the positioning information to a cloud;
the cloud automatically matches the foundation enhancement equipment with the nearest distance according to the mobile phone positioning information;
the cloud end carries out differential positioning enhancement calculation on the mobile phone positioning information and the observed quantity data of the nearest foundation enhancement equipment to obtain accurate position information, and returns the accurate position information to the mobile phone; or the cloud returns the observed quantity data of the nearest foundation enhancement equipment to the mobile phone, and the accurate position of the mobile phone is calculated at the mobile phone end through a position difference or pseudo-range difference algorithm.
Preferably, the observation data includes pseudoranges, ephemeris and satellite signal transmit times.
Preferably, the position information of the ground-based augmentation equipment is stored in the cloud in advance.
The invention also provides a mobile phone positioning system based on cloud and edge calculation, which comprises:
the ground equipment observation quantity uploading module is used for deploying ground enhancement equipment and reporting observation quantity data to the cloud end in real time through the ground enhancement equipment;
the mobile phone positioning uploading module is used for acquiring mobile phone positioning information from a mobile phone and sending the positioning information to a cloud terminal;
the ground equipment matching module is used for automatically matching the ground enhancement equipment with the nearest distance by the cloud according to the mobile phone positioning information;
the position calculation module is used for carrying out differential positioning enhancement calculation on the mobile phone positioning information and the observed quantity data of the nearest foundation enhancement equipment by the cloud end, acquiring accurate position information and returning the accurate position information to the mobile phone; or the cloud returns the observed quantity data of the nearest foundation enhancement equipment to the mobile phone, and the accurate position of the mobile phone is calculated at the mobile phone end through a position difference or pseudo-range difference algorithm.
Preferably, the observation data includes pseudoranges, ephemeris and satellite signal transmit times.
Preferably, the position information of the ground-based augmentation equipment is stored in the cloud in advance.
The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and one of the above technical solutions has the following advantages or beneficial effects:
compared with the prior art, the method and the system have the advantages that the real-time pseudorange, ephemeris, satellite signal emission time and other observed quantities of the ground enhancement equipment are received at the cloud end, meanwhile, the real-time positioning data sent by the mobile phone equipment are received, the ground enhancement base station with the closest distance is automatically matched according to the real-time positioning data of the mobile phone, then, the accurate position information of the mobile phone is calculated and returned to the mobile phone equipment according to the mobile phone positioning information and the real-time information of the ground enhancement base station through a position difference or pseudorange difference algorithm, the high-precision calculation of the mobile phone positioning is realized, the positioning precision of the mobile phone is greatly improved, the original road level is improved to the lane level.
Drawings
Fig. 1 is a flowchart of a mobile phone positioning method based on cloud and edge computing according to an embodiment of the present invention;
fig. 2 is a block diagram of a mobile phone positioning system based on cloud and edge computing according to an embodiment of the present invention.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.
A mobile phone positioning method and system based on cloud and edge computing according to embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present invention discloses a mobile phone positioning method based on cloud and edge computing, where the method includes the following operations:
deploying foundation enhancement equipment, and reporting observed quantity data to a cloud end in real time through the foundation enhancement equipment;
acquiring mobile phone positioning information from a mobile phone, and sending the positioning information to a cloud;
the cloud automatically matches the foundation enhancement equipment with the nearest distance according to the mobile phone positioning information;
the cloud end carries out differential positioning enhancement calculation on the mobile phone positioning information and the observed quantity data of the nearest foundation enhancement equipment to obtain accurate position information, and returns the accurate position information to the mobile phone; or the cloud returns the observed quantity data of the nearest foundation enhancement equipment to the mobile phone, and the accurate position of the mobile phone is calculated at the mobile phone end through a position difference or pseudo-range difference algorithm.
Compared with professional positioning equipment, the positioning antenna of the mobile phone is easy to be influenced by signal directions, especially multipath signals, and an ionosphere and a troposphere in the atmosphere can also be main factors of positioning errors.
The method comprises the steps that foundation enhancement equipment is deployed in a region needing high-precision positioning, current observation quantities such as pseudo-range, ephemeris and satellite signal emission time are reported to a cloud end by the foundation enhancement equipment in real time, and accurate position information of the deployed foundation enhancement equipment is stored in the cloud end in advance.
The method comprises the steps of obtaining relevant information of mobile phone positioning in a mobile phone APP, sending the positioning information to a cloud for positioning and reinforcing, obtaining ground reinforcing equipment with the nearest position by the cloud according to the mobile phone positioning information, carrying out differential positioning and reinforcing calculation on the mobile phone positioning information and observed quantity data of the nearest ground reinforcing equipment according to observed quantity data sent by the ground reinforcing equipment, obtaining more accurate position information, and returning the calculated position information to the mobile phone APP.
In another embodiment of the invention, related information of mobile phone positioning is obtained in a mobile phone APP, the positioning information is sent to a cloud, the cloud obtains a foundation enhancement device with the nearest position according to the mobile phone positioning information, observed quantity real-time data sent by the foundation enhancement device is returned to the mobile phone APP, and the accurate position of the mobile phone is calculated through a position difference or pseudo-range difference algorithm based on edge calculation in the mobile phone APP.
The high-precision calculation of the position of the mobile phone is realized through the two modes, the positioning enhancement design in the embodiment of the invention is added in the existing mobile phone navigation software or the navigation software developed by a user, the cloud enhancement or edge enhancement positioning technology can be selected, the positioning precision is improved, the original road level is improved to the lane level, and more precise navigation experience is provided for mobile phone users.
According to the embodiment of the invention, the real-time pseudo range, ephemeris, satellite signal transmission time and other observed quantities of the ground enhancement equipment are received at the cloud end, meanwhile, the real-time positioning data sent by the mobile phone equipment is received, the ground enhancement base station with the closest distance is automatically matched according to the real-time positioning data of the mobile phone, then, the accurate position information of the mobile phone is calculated and returned to the mobile phone equipment according to the mobile phone positioning information and the real-time information of the ground enhancement base station through a position difference or pseudo range difference algorithm, so that the high-precision calculation of the mobile phone positioning is realized, the positioning precision of the mobile phone is greatly improved, the original road level is improved to the lane level, and.
As shown in fig. 2, an embodiment of the present invention further discloses a mobile phone positioning system based on cloud and edge computing, where the system includes:
the ground equipment observation quantity uploading module is used for deploying ground enhancement equipment and reporting observation quantity data to the cloud end in real time through the ground enhancement equipment;
the mobile phone positioning uploading module is used for acquiring mobile phone positioning information from a mobile phone and sending the positioning information to a cloud terminal;
the ground equipment matching module is used for automatically matching the ground enhancement equipment with the nearest distance by the cloud according to the mobile phone positioning information;
the position calculation module is used for carrying out differential positioning enhancement calculation on the mobile phone positioning information and the observed quantity data of the nearest foundation enhancement equipment by the cloud end, acquiring accurate position information and returning the accurate position information to the mobile phone; or the cloud returns the observed quantity data of the nearest foundation enhancement equipment to the mobile phone, and the accurate position of the mobile phone is calculated at the mobile phone end through a position difference or pseudo-range difference algorithm.
The method comprises the steps that foundation enhancement equipment is deployed in a region needing high-precision positioning, current observation quantities such as pseudo-range, ephemeris and satellite signal emission time are reported to a cloud end by the foundation enhancement equipment in real time, and accurate position information of the deployed foundation enhancement equipment is stored in the cloud end in advance.
The method comprises the steps of obtaining relevant information of mobile phone positioning in a mobile phone APP, sending the positioning information to a cloud for positioning and reinforcing, obtaining ground reinforcing equipment with the nearest position by the cloud according to the mobile phone positioning information, carrying out differential positioning and reinforcing calculation on the mobile phone positioning information and observed quantity data of the nearest ground reinforcing equipment according to observed quantity data sent by the ground reinforcing equipment, obtaining more accurate position information, and returning the calculated position information to the mobile phone APP.
In another embodiment of the invention, related information of mobile phone positioning is obtained in a mobile phone APP, the positioning information is sent to a cloud, the cloud obtains a foundation enhancement device with the nearest position according to the mobile phone positioning information, observed quantity real-time data sent by the foundation enhancement device is returned to the mobile phone APP, and the accurate position of the mobile phone is calculated through a position difference or pseudo-range difference algorithm based on edge calculation in the mobile phone APP.
The high-precision calculation of the position of the mobile phone is realized through the two modes, the positioning enhancement design in the embodiment of the invention is added in the existing mobile phone navigation software or the navigation software developed by a user, the cloud enhancement or edge enhancement positioning technology can be selected, the positioning precision is improved, the original road level is improved to the lane level, and more precise navigation experience is provided for mobile phone users.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A mobile phone positioning method based on cloud and edge calculation is characterized by comprising the following operations:
deploying foundation enhancement equipment, and reporting observed quantity data to a cloud end in real time through the foundation enhancement equipment;
acquiring mobile phone positioning information from a mobile phone, and sending the positioning information to a cloud;
the cloud automatically matches the foundation enhancement equipment with the nearest distance according to the mobile phone positioning information;
the cloud end carries out differential positioning enhancement calculation on the mobile phone positioning information and the observed quantity data of the nearest foundation enhancement equipment to obtain accurate position information, and returns the accurate position information to the mobile phone; or the cloud returns the observed quantity data of the nearest foundation enhancement equipment to the mobile phone, and the accurate position of the mobile phone is calculated at the mobile phone end through a position difference or pseudo-range difference algorithm.
2. The method of claim 1, wherein the observation data comprises pseudoranges, ephemeris and satellite signal transmission times.
3. The mobile phone positioning method based on cloud and edge computing as claimed in claim 1, wherein the position information of the ground-based augmentation device is stored in the cloud in advance.
4. A mobile phone location system based on cloud and edge computing, the system comprising:
the ground equipment observation quantity uploading module is used for deploying ground enhancement equipment and reporting observation quantity data to the cloud end in real time through the ground enhancement equipment;
the mobile phone positioning uploading module is used for acquiring mobile phone positioning information from a mobile phone and sending the positioning information to a cloud terminal;
the ground equipment matching module is used for automatically matching the ground enhancement equipment with the nearest distance by the cloud according to the mobile phone positioning information;
the position calculation module is used for carrying out differential positioning enhancement calculation on the mobile phone positioning information and the observed quantity data of the nearest foundation enhancement equipment by the cloud end, acquiring accurate position information and returning the accurate position information to the mobile phone; or the cloud returns the observed quantity data of the nearest foundation enhancement equipment to the mobile phone, and the accurate position of the mobile phone is calculated at the mobile phone end through a position difference or pseudo-range difference algorithm.
5. The cloud and edge computing based handset positioning system of claim 4, wherein the observation data comprises pseudoranges, ephemeris and satellite signal transmission times.
6. The cloud and edge computing based mobile phone positioning system of claim 4, wherein the location information of the ground based augmentation device is pre-stored in the cloud.
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| CN202010710477.4A CN111988842A (en) | 2020-07-22 | 2020-07-22 | Mobile phone positioning method and system based on cloud and edge calculation |
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| CN202010710477.4A CN111988842A (en) | 2020-07-22 | 2020-07-22 | Mobile phone positioning method and system based on cloud and edge calculation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116243351A (en) * | 2023-05-11 | 2023-06-09 | 北京讯腾智慧科技股份有限公司 | Method for desensitizing graphical behavioral data of high-precision GNSS positioning terminal |
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Effective date of registration: 20220507 Address after: 22 / F, Qilu traffic information industrial park, building 2, union Fortune Plaza, 2177 Tianchen Road, Jinan high tech Industrial Development Zone, Shandong Province Applicant after: Shandong high speed information Group Co.,Ltd. Address before: 250000 block A1, central square, quanyun village, Lixia District, Jinan City, Shandong Province Applicant before: SHANDONG HI-SPEED INFORMATION ENGINEERING Co.,Ltd. |
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Application publication date: 20201124 |