CN113759405A - GPS positioning acceleration system, method, device, computer equipment and storage medium - Google Patents
GPS positioning acceleration system, method, device, computer equipment and storage medium Download PDFInfo
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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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- 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
- G01S19/01—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
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
- G01S19/37—Hardware or software details of the signal processing chain
Abstract
The present application relates to a GPS positioning acceleration system, method, apparatus, computer device, and storage medium. The system comprises: the system comprises a system service module, an offline position engine, a position providing module, a position adapting module and a GPS module; the position providing module is used for receiving and sending a GPS position service request sent by the position application program to the position adapting module, and sending an offline position query instruction to the offline position engine through the system service module; the offline position engine is used for receiving the offline position query instruction, acquiring the base station information of the mobile terminal, and sending a reference position source to the position adaptation module when the offline position database of the mobile terminal is queried to have the reference position source matched with the base station information; the position adapting module is used for sending the reference position source to the GPS module; the GPS module is used for reporting the current position data to the position providing module in real time. The scheme can provide a reference position source without networking, and the positioning efficiency is improved.
Description
Technical Field
The present invention relates to the field of GPS (Global Positioning System) Positioning technology, and in particular, to a GPS Positioning acceleration System, method, apparatus, computer device, and storage medium.
Background
The GPS positioning technology is a technology that can provide a user with accurate location information service anytime and anywhere, and is widely used in mobile terminals today when electronic devices are rapidly developed.
At present, taking a mobile phone terminal as an example, GPS positioning of a mainstream mobile phone in the market is performed by requesting and acquiring a rough reference position from SUPL (Secure User Plane Location) or NLP (Network Location Provider, Network Location service), and when the mobile phone initiates GPS positioning, the mobile phone requests Network position injection through NLP Proxy to help a mobile phone GPS chip to realize quick satellite search positioning.
The existing network location service scheme needs the support of regional network location providers, and meanwhile, mobile phone terminal equipment also needs real-time networking. And the accuracy of the network position is uncontrollable and only provided by a network position service provider, and the GPS chip cannot accurately judge the reliability or accuracy of the position, so that the GPS satellite searching and positioning time is too long due to the error of the reference position, and the GPS positioning efficiency is reduced.
Disclosure of Invention
In view of the above, it is necessary to provide a GPS positioning acceleration method, apparatus, computer device, and storage medium capable of improving GPS positioning efficiency.
A GPS positioning acceleration system, the system comprising: the system comprises a system service module, an offline position engine, a position providing module, a position adapting module and a GPS module;
the position providing module is used for receiving a GPS position service request sent by a position application program of the mobile terminal, sending the GPS position service request to the position adapting module, and sending an offline position query instruction to the offline position engine through the system service module;
the offline position engine is used for receiving an offline position query instruction, sending a base station information query request to the system service module, receiving base station information of the mobile terminal fed back by the system service module, querying whether a reference position source matched with the base station information exists in an offline position database of the mobile terminal, and if so, sending the reference position source to the position adaptation module;
the position adaptation module is used for sending the reference position source to the GPS module so as to accelerate the positioning of the GPS module;
the GPS module is used for reporting the current position data to the position providing module in real time.
In one embodiment, the offline location engine is further configured to, if it is found that the offline location database of the mobile terminal does not have a reference location source matching the base station information, obtain location data reported by the GPS module from the location providing module, and store the location data in the offline location database.
In one embodiment, the system service module is further configured to store, from the location providing module, the location data reported by the GPS module, obtain a correct rate of the location data, and replace, with the location data having the correct rate greater than a preset threshold, the corresponding historical location data.
In one embodiment, the obtaining of the location data reported by the GPS module from the location providing module includes: and acquiring the position data reported by the GPS module from the position providing module in a broadcast monitoring mode.
According to the GPS positioning acceleration system, the mobile terminal maintains the off-line position database, compared with a network reference position service, a local reference position source can be provided under the condition of no networking, and then the reference position source is issued to the GPS module, so that the rapid satellite searching and positioning of the GPS module can be realized, the accuracy and efficiency of the GPS positioning are improved, and the off-line reference position source can be used as a supplement for network position service injection, so that the position reference source of the GPS module is enriched.
A GPS positioning acceleration method comprises the following steps:
receiving an offline position query instruction;
responding to the offline position query instruction, and acquiring base station information of the mobile terminal;
inquiring whether a reference position source matched with the base station information exists in an offline position database of the mobile terminal;
and if so, sending the reference position source to a GPS module of the mobile terminal.
In one embodiment, the method further comprises:
and if the offline position database of the mobile terminal is inquired to have no reference position source matched with the base station information, acquiring the position data reported by the GPS module of the mobile terminal and updating the position data to the offline position database.
In one embodiment, the method further comprises:
and sending a position data updating instruction to a preset system service module so that the preset system service module acquires the accuracy of the position data reported by a GPS module of the mobile terminal, and replacing the position data with the accuracy greater than a preset threshold value with corresponding historical position data.
A GPS positioning acceleration device, the device comprising:
the data receiving module is used for receiving an offline position query instruction;
the data acquisition module is used for responding to the offline position query instruction and acquiring the base station information of the mobile terminal;
the data query module is used for querying whether a reference position source matched with the base station information exists in an offline position database of the mobile terminal;
and the data sending module is used for sending the reference position source to the GPS module of the mobile terminal when the reference position source matched with the base station information exists in the offline position database of the mobile terminal.
A computer device comprising a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:
receiving an offline position query instruction;
responding to the offline position query instruction, and acquiring base station information of the mobile terminal;
inquiring whether a reference position source matched with the base station information exists in an offline position database of the mobile terminal;
and if so, sending the reference position source to a GPS module of the mobile terminal.
A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
receiving an offline position query instruction;
responding to the offline position query instruction, and acquiring base station information of the mobile terminal;
inquiring whether a reference position source matched with the base station information exists in an offline position database of the mobile terminal;
and if so, sending the reference position source to a GPS module of the mobile terminal.
The GPS positioning acceleration method, the device, the computer equipment and the storage medium receive the offline position query instruction, respond to the offline position query instruction, correspondingly acquire the base station information of the mobile terminal, query whether a reference position source matched with the base station information exists in an offline position database of the mobile terminal, and if so, send the reference position source to the GPS module of the mobile terminal. Compared with the existing network reference position service scheme, the scheme can provide a local reference position source under the condition of no networking, and then the reference position source is issued to the GPS module, so that the rapid satellite searching and positioning of the GPS module of the mobile terminal can be realized, the accuracy and the efficiency of the GPS positioning are improved, and the offline reference position source can be used as a supplement for network position service injection, so that the position reference source of the GPS module is enriched.
Drawings
FIG. 1 is a block diagram of a GPS location acceleration system according to one embodiment;
FIG. 2 is a diagram illustrating the design architecture of a GPS location acceleration system in one embodiment;
FIG. 3 is a flowchart illustrating a design of a GPS positioning acceleration system according to an embodiment;
FIG. 4 is a flowchart illustrating a GPS positioning acceleration method according to another embodiment;
FIG. 5 is a block diagram of a GPS location acceleration device according to one embodiment;
FIG. 6 is a block diagram of another embodiment of a GPS positioning accelerator;
FIG. 7 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The GPS positioning acceleration system provided by the present application is applicable to the mobile terminal 102, and the system architecture thereof can be as shown in fig. 1. Specifically, the system comprises a system service module 104, an offline location engine 106, a location providing module 108, a location adapting module 110, and a GPS module 112 integrated in the mobile terminal 102, wherein the modules communicate with each other through an internal API (Application Programming Interface). The mobile terminal 102 may be, but is not limited to, various personal computers, notebook computers, smart phones, tablet computers, and portable wearable devices.
In one embodiment, there is provided a GPS positioning acceleration system, as shown in fig. 1, comprising: a system services module 104 and an offline location engine 106, a location providing module 108, a location adaptation module 110, and a GPS module 112;
the location providing module 108 is configured to receive a GPS location service request sent by a location application of the mobile terminal 102, send the GPS location service request to the location adapting module 110, and send an offline location query instruction to the offline location engine 106 through the system service 104 module;
the offline position engine 106 is configured to receive an offline position query instruction, send a base station information query request to the system service 104 module, receive base station information of the mobile terminal 102 fed back by the system service 104 module, query whether a reference position source matched with the base station information exists in the offline position database of the mobile terminal 102, and if yes, send the reference position source to the position adaptation module 110;
the position adapting module 110 is used for sending the reference position source to the GPS module 112 so as to accelerate the positioning by the GPS module 112;
the GPS module 112 is configured to report current location data to the location providing module 108 in real time.
In this embodiment, the mobile terminal 102 may be a 5G mobile phone terminal of an Android system (a terminal device based on a fifth generation mobile communication technology) as an example. Specifically, referring to fig. 2, the location providing module 108 may be an Android location providing module 108 (which may be referred to as a location providing module 108 for short), the location adapting module 110 may be a HAL adapting layer, and the GPS module 112 may be a GPS chip. The base station information of the Mobile terminal 102 is CELL ID information of a Mobile phone base station, and may specifically include MCC (Mobile Country Code), MNC (Mobile Network Code), Mobile Network/internet connectivity/telecommunication Network: an ECID (Enhanced Cell ID, base station ID information), CDMA (Code Division Multiple Access), SID (SYSTEM ID, SYSTEM identifier), NID (NETWORK ID), and the like.
In specific implementation, the mobile phone terminal maintains a local off-line position database for storing off-line position information corresponding to the mobile phone terminal. The offline location information is a coarse reference location that provides latitude and longitude. As described with reference to fig. 3, the mobile phone terminal is installed with a location Application APP (Application program), such as a grand map, when a user uses a location Application APP, the location Application APP requests a GPS location service through an Android standard API, and sends a GPS location service request to the Android location providing module 108, the Android location providing module 108 sends the GPS location service request to the HAL adaptation layer, and meanwhile, the Android location providing module 108 sends an offline location query instruction to the offline location engine 106 to wake up the offline location engine 106 to query and provide a corresponding offline reference location. Specifically, the offline location query instruction may be sent through a customized private API.
After receiving the offline location query instruction sent by the Android location providing module 108, the offline location engine 106 first sends a base station information query request to the system service 104 module, the system service 104 module searches for base station information (CELL ID information of the mobile phone base station) of the mobile terminal 102, sends the queried base station information to the offline location engine 106, and the offline location engine 106 receives the CELL ID information of the mobile terminal 102 fed back by the system service 104 module, and queries whether a reference location source matched with the base station information exists in the offline location database of the mobile terminal 102. Specifically, the CELL ID information and the location information of the mobile phone base station are stored in a one-to-one mapping relationship, for example, the reference location source data may be ECID #123456 or SID #01+ NID #02, where 123456 is a unique identification code of the mobile phone terminal. If the position information corresponding to the mobile phone terminal is inquired, the reference position source is sent to the position adapting module 110. Specifically, the inquired position information can be injected into the HAL adaptation layer through a preset Android reference position API, and then the HAL adaptation layer injects the inquired reference position source into the GPS chip to help the GPS chip to realize quick satellite search and positioning, shorten positioning time, and improve user positioning service experience.
In the GPS positioning acceleration system, the mobile terminal maintains the off-line position database, compared with the network reference position service, the system can provide a local reference position source under the condition of no networking, and then transmits the reference position source to the GPS module, so that the rapid satellite searching and positioning of the GPS module can be realized, the accuracy and the efficiency of the GPS positioning are improved, and the off-line reference position source can be used as a supplement for the injection of the network position service, thereby enriching the position reference source of the GPS module 112.
In addition, under the condition that the group quantity of mobile phone users is large, the independent learning of the GPS chip and the base station CELL ID information provides unique advantages for OEM manufacturers, and the method has non-replicability.
In one embodiment, the offline location engine 106 is further configured to, if it is found that the offline location database of the mobile terminal 102 does not have a reference location source matching the base station information, obtain the location data reported by the GPS module 112 from the location providing module 108, and store the location data in the offline location database.
In practical applications, if the offline location engine 106 does not query the local offline location database of the handset terminal for the reference location source matching the base station information, the offline location is not sent to the location providing module 108. In specific implementation, the GPS chip reports its current position to the position providing module 108 in real time. In order to improve the data of the off-line position database and provide a more comprehensive reference position for GPS positioning, the position data reported by the GPS chip may be acquired from the position providing module 108, and the position data may be inserted into the local off-line position database of the mobile phone terminal to update the database.
In one embodiment, the system service 104 module is further configured to store the location data reported by the GPS module 112 from the location providing module 108, obtain a correct rate of the location data, and replace the corresponding historical location data with the correct rate greater than a preset threshold.
In specific implementation, the system service 104 module extracts and stores the position data reported by the GPS chip from the position providing module 108 in a service of requesting a reference position query every time by a bottom chip of the mobile phone terminal, and meanwhile, obtains a correct rate of the position data by using an accuracy acc (accuracy) as a measurement standard, compares the correct rate, and automatically covers (replaces) a historical insertion position corresponding to the position data with the correct rate higher than a preset threshold value, so as to ensure the accuracy and reliability of the position of the local database of the mobile phone.
In one embodiment, the obtaining of the location data reported by the GPS module 112 from the location providing module 108 includes: the position data reported by the GPS module 112 is obtained from the position providing module 108 by means of broadcast monitoring.
In specific implementation, the offline location engine 106 is added with broadcast monitoring, and can monitor location changes in real time. If the offline location engine 106 finds that the offline location database does not have an offline location corresponding to the mobile phone terminal base station information, the offline location engine may obtain the location data reported by the GPS chip from the location providing module 108 in a broadcast manner, and insert the location data into the offline location database. The position data reported by the GPS chip can be simply and quickly acquired by acquiring the position data in a broadcast monitoring mode.
In one embodiment, as shown in fig. 4, the present application further provides a GPS positioning acceleration method, which is described by taking the offline location engine 106 in fig. 1 as an example, and includes the following steps:
and step 208, if the reference position source matched with the base station information exists, sending the reference position source to a GPS module of the mobile terminal.
In this embodiment, the GPS positioning acceleration method may be described with reference to the GPS positioning acceleration system in fig. 1, and the mobile terminal is still exemplified by a 5G mobile phone of an Android system, and includes an Android location providing module (location providing module for short), an HAL adaptation layer, and a GPS chip. And the mobile phone terminal maintains a local off-line position database for storing off-line position information corresponding to the mobile phone terminal. When a user uses a certain position application APP at a mobile phone terminal, the position application APP can request GPS position service through an Android standard API, a GPS position service request is sent to an Android position providing module, the Android position providing module can send the GPS position service request to a HAL adaptation layer, and meanwhile, the Android position providing module can send an offline position query instruction used for querying the mobile terminal. Specifically, the offline location query instruction may be sent through a customized private API. And receiving the offline position query instruction, responding to the instruction, and acquiring base station information (CELL ID information of the mobile phone base station) corresponding to the mobile phone terminal, wherein the base station information may specifically include MCC, MNC, ECID, SID and the like. For example, the CELL ID information of the mobile phone base station may be ECID #123456, where 123456 is the unique identification code of the mobile phone terminal. It is understood that in other embodiments, the unique identification code of the mobile phone terminal may be in other expressions, which may be determined according to the actual situation. After the base station information is acquired, whether a reference position source corresponding to the base station information exists or not can be inquired in a local off-line position database of the mobile phone terminal according to the base station information, and if the corresponding position reference source is inquired, the reference position source is sent to the mobile terminal so as to help a GPS chip of the mobile terminal to realize quick satellite search and positioning, shorten positioning time and improve user positioning service experience.
In the GPS positioning acceleration method, an offline position query instruction is received, the offline position query instruction is responded, base station information of the mobile terminal is obtained, whether a reference position source matched with the base station information exists in an offline position database of the mobile terminal is queried, and if yes, the reference position source is sent to a GPS module of the mobile terminal. Compared with the existing network reference position service scheme, the scheme can provide a local reference position source under the condition of no networking, and then the reference position source is issued to the GPS module, so that the rapid satellite searching and positioning of the GPS module of the mobile terminal can be realized, the accuracy and the efficiency of the GPS positioning are improved, and the offline reference position source can be used as a supplement for network position service injection, so that the position reference source of the GPS module is enriched.
In one embodiment, the method further comprises: and step 210, if the offline position database of the mobile terminal is inquired to have no reference position source matched with the base station information, acquiring the position data reported by the GPS module of the mobile terminal and updating the position data to the offline position database.
In practical application, the GPS chip of the mobile terminal reports the current position of the mobile terminal in real time. In practical application, if the local off-line position database of the mobile phone terminal is inquired that no reference position source matched with the base station information exists, the off-line position is not sent. Meanwhile, the position data reported by the GPS chip can be acquired and inserted into a local off-line position database of the mobile phone terminal so as to update the database, improve the data of the off-line position database, provide a more comprehensive reference position for GPS positioning and improve the positioning accuracy.
In one embodiment, the method further comprises:
and sending a position data updating instruction to a preset system service module so that the preset system service module acquires the accuracy of the position data reported by a GPS module of the mobile terminal, and replacing the position data with the accuracy greater than a preset threshold value with corresponding historical position data.
In this embodiment, the preset system service module may serve a system connected to the mobile terminal. A system service is a type of application that runs in the background. Service applications may typically provide some functionality to users locally and over a network, such as client/server applications, Web servers, database servers, and other server-based applications. During specific implementation, a position data updating instruction can be sent to a system service, the system service receives the position data updating instruction, obtains position data reported by a GPS chip, obtains the accuracy of the position data, and automatically covers historical position data corresponding to the position data by using the accuracy as a measurement standard, wherein the accuracy is greater than a preset threshold, namely, the historical position data is subjected to data updating, and the accuracy and the reliability of an off-line position database are ensured.
It should be understood that, although the steps in the flowchart of fig. 4 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in fig. 4 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed in turn or alternately with other steps or at least a portion of the other steps or stages.
In one embodiment, as shown in fig. 5, there is provided a GPS positioning acceleration apparatus including: a data receiving module 510, a data obtaining module 520, a data querying module 530 and a data sending module 540, wherein:
and a data receiving module 510, configured to receive an offline location query instruction.
A data obtaining module 520, configured to respond to the offline position query instruction to obtain base station information of the mobile terminal.
And a data query module 530, configured to query whether a reference location source matching the base station information exists in the offline location database of the mobile terminal.
And a data sending module 540, configured to send the reference location source to the GPS module of the mobile terminal when the reference location source matching the base station information exists in the offline location database of the mobile terminal.
As shown in fig. 6, in an embodiment, the apparatus further includes a data updating module 550, configured to, if it is found that the offline location database of the mobile terminal does not have a reference location source matching the base station information, obtain location data reported by the GPS module of the mobile terminal, and update the location data to the offline location database.
In an embodiment, the data updating module 550 is further configured to send a location data updating instruction to the default system service module, so that the default system service module obtains accuracy of the location data reported by the GPS module of the mobile terminal, and replaces corresponding historical location data with the accuracy greater than a preset threshold.
For the specific definition of the GPS positioning acceleration device, reference may be made to the above definition of the GPS positioning acceleration method, which is not described herein again. The modules in the GPS positioning acceleration device can be implemented wholly or partially by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a server, the internal structure of which may be as shown in fig. 7. The computer device includes a processor, a memory, and a network interface connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The database of the computer device is used for storing off-line position data, base station information and the like. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a GPS positioning acceleration method.
Those skilled in the art will appreciate that the architecture shown in fig. 7 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the following steps when executing the computer program: receiving an offline position query instruction, responding to the offline position query instruction, acquiring base station information of the mobile terminal, querying whether a reference position source matched with the base station information exists in an offline position database of the mobile terminal, and if the reference position source matched with the base station information exists, sending the reference position source to a GPS module of the mobile terminal.
In one embodiment, the processor, when executing the computer program, further performs the steps of: and if the offline position database of the mobile terminal is inquired to have no reference position source matched with the base station information, acquiring the position data reported by the GPS module of the mobile terminal and updating the position data to the offline position database.
In one embodiment, the processor, when executing the computer program, further performs the steps of: and sending a position data updating instruction to a preset system service module so that the preset system service module acquires the accuracy of the position data reported by a GPS module of the mobile terminal, and replacing the position data with the accuracy greater than a preset threshold value with corresponding historical position data.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of: receiving an offline position query instruction, responding to the offline position query instruction, acquiring base station information of the mobile terminal, querying whether a reference position source matched with the base station information exists in an offline position database of the mobile terminal, and if the reference position source matched with the base station information exists, sending the reference position source to a GPS module of the mobile terminal.
In one embodiment, the computer program when executed by the processor further performs the steps of: and if the offline position database of the mobile terminal is inquired to have no reference position source matched with the base station information, acquiring the position data reported by the GPS module of the mobile terminal and updating the position data to the offline position database.
In one embodiment, the computer program when executed by the processor further performs the steps of: and sending a position data updating instruction to a preset system service module so that the preset system service module acquires the accuracy of the position data reported by a GPS module of the mobile terminal, and replacing the position data with the accuracy greater than a preset threshold value with corresponding historical position data.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A GPS positioning acceleration system, characterized in that the system comprises: the system comprises a system service module, an offline position engine, a position providing module, a position adapting module and a GPS module;
the position providing module is used for receiving a GPS position service request sent by a position application program of the mobile terminal, sending the GPS position service request to the position adapting module, and sending an offline position query instruction to the offline position engine through the system service module;
the offline position engine is used for receiving the offline position query instruction, sending a base station information query request to the system service module, receiving the base station information of the mobile terminal fed back by the system service module, querying whether a reference position source matched with the base station information exists in an offline position database of the mobile terminal, and if so, sending the reference position source to the position adaptation module;
the position adapting module is used for sending the reference position source to the GPS module so as to accelerate the positioning of the GPS module;
the GPS module is used for reporting the current position data to the position providing module in real time.
2. The GPS positioning acceleration system according to claim 1, wherein the offline position engine is further configured to obtain the position data reported by the GPS module from the position providing module and store the position data in the offline position database if it is found that the offline position database of the mobile terminal does not have a reference position source matching the base station information.
3. The GPS positioning acceleration system according to claim 1, wherein the system service module is further configured to store, from the position providing module, the position data reported by the GPS module, obtain a correct rate of the position data, and replace, with the position data having the correct rate greater than a preset threshold, the corresponding historical position data.
4. The GPS positioning acceleration system according to claim 2, wherein obtaining the position data reported by the GPS module from the position providing module comprises: and acquiring the position data reported by the GPS module from the position providing module in a broadcast monitoring mode.
5. A GPS positioning acceleration method, characterized in that the method comprises:
receiving an offline position query instruction;
responding to the offline position query instruction, and acquiring base station information of the mobile terminal;
inquiring whether a reference position source matched with the base station information exists in an offline position database of the mobile terminal;
and if so, sending the reference position source to a GPS module of the mobile terminal.
6. The method of claim 5, further comprising:
if the offline position database of the mobile terminal is inquired to have no reference position source matched with the base station information, position data reported by a GPS module of the mobile terminal is obtained, and the position data is updated to the offline position database.
7. The method of claim 5, further comprising:
and sending a position data updating instruction to a preset system service module so that the preset system service module acquires the accuracy of the position data reported by the GPS module of the mobile terminal, and replacing the position data with the accuracy greater than a preset threshold value with the corresponding historical position data.
8. A GPS positioning acceleration apparatus, characterized in that the apparatus comprises:
the data receiving module is used for receiving an offline position query instruction;
the data acquisition module is used for responding to the offline position query instruction and acquiring the base station information of the mobile terminal;
the data query module is used for querying whether a reference position source matched with the base station information exists in the offline position database of the mobile terminal;
and the data sending module is used for sending the reference position source to the GPS module of the mobile terminal when the offline position database of the mobile terminal is inquired to have the reference position source matched with the base station information.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor realizes the steps of the method of any of claims 5 to 7 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 5 to 7.
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