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.
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.