CN111988742A - Positioning method based on narrowband Internet of things and NBIOT positioning equipment - Google Patents
Positioning method based on narrowband Internet of things and NBIOT positioning equipment Download PDFInfo
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- CN111988742A CN111988742A CN202010805589.8A CN202010805589A CN111988742A CN 111988742 A CN111988742 A CN 111988742A CN 202010805589 A CN202010805589 A CN 202010805589A CN 111988742 A CN111988742 A CN 111988742A
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000003860 storage Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 description 6
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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
- H04W4/029—Location-based management or tracking services
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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
- G01S19/45—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
- G01S19/46—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being of a radio-wave signal type
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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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- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
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Abstract
The invention discloses a positioning method and NBIOT positioning equipment based on a narrowband Internet of things, wherein the method comprises the following steps: after the NBIOT positioning equipment is started, initializing an NBIOT module and a GPS positioning module; the NBIOT module acquires GPS satellite orbit prediction data, positioning reference time and positioning reference address for auxiliary positioning through an NBIOT base station and sends the data, the positioning reference time and the positioning reference address to the baseband processing unit; the baseband processing unit sends the signal to the GPS positioning module; the GPS positioning module carries out rapid positioning according to the GPS signal, the GPS satellite orbit prediction data, the positioning reference time and the positioning reference address. The invention can quickly obtain the rough position information of the terminal by obtaining the position of the NBIOT base station through the NBIOT network, and the GPS can realize quick positioning by obtaining the rough position information by utilizing the NBIOT base station, thereby greatly improving the positioning time and the precision of the GPS.
Description
Technical Field
The invention relates to the technical field of position location, in particular to a location method and NBIOT location equipment based on a narrowband Internet of things.
Background
Location services are becoming more and more popular technologies, and people's lives are also becoming more and more away from location technologies.
In the positioning technology of the current Internet of Things, most of the positioning is performed by a single positioning method, for example, positioning is performed by a GPS technology, and NBIOT (Narrow Band Internet of Things, which supports cellular data connection of low power consumption devices in a wide area network, also called as a low power consumption wide area network, which supports efficient connection of devices with long standby time and high requirement for network connection, and can also provide very comprehensive indoor cellular data connection coverage) base stations are positioned, or positioning is performed by a WIFI technology, but although the GPS positioning precision is high, the first positioning time is long; although the NBIOT base station is fast in positioning, the positioning accuracy is not enough; although the WIFI positioning is fast, the same accuracy is not enough, the positioning can be performed only at the position with the WIFI hotspot, and the scene of a remote position cannot be covered.
That is, the single positioning technique has problems of long positioning time and low positioning accuracy.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The invention mainly aims to provide a positioning method and NBIOT positioning equipment based on a narrowband Internet of things, and aims to solve the problems of long positioning time and low positioning accuracy in the prior art.
In order to achieve the above object, the present invention provides a positioning method based on a narrowband internet of things, which is applied to an NBIOT positioning device, where the NBIOT positioning device includes a baseband processing unit, an NBIOT module, and a GPS positioning module, and the positioning method based on the narrowband internet of things includes the following steps:
after the NBIOT positioning equipment is started, initializing the NBIOT module and the GPS positioning module;
the NBIOT module acquires GPS satellite orbit prediction data, positioning reference time and positioning reference address for auxiliary positioning through an NBIOT base station;
the baseband processing unit acquires GPS satellite orbit prediction data, positioning reference time and positioning reference address which are sent by the NBIOT module and used for auxiliary positioning;
the baseband processing unit sends GPS satellite orbit prediction data, positioning reference time and positioning reference address for auxiliary positioning to the GPS positioning module;
and the GPS positioning module carries out rapid positioning according to the GPS signal, GPS satellite orbit prediction data for auxiliary positioning, positioning reference time and a positioning reference address.
Optionally, the positioning method based on the narrowband internet of things, where the NBIOT module obtains, through the NBIOT base station, GPS satellite orbit prediction data, positioning reference time, and a positioning reference address for assisting positioning, specifically includes:
the NBIOT module communicates with an NBIOT network through an NBIOT base station;
the NBIOT module receives GPS satellite orbit prediction data, positioning reference time and positioning reference address for auxiliary positioning from the NBIOT network and sends positioning information of NBIOT equipment to the NBIOT network.
Optionally, the positioning method based on the narrowband internet of things, where the GPS positioning module performs fast determination according to a GPS signal, and GPS satellite orbit prediction data, positioning reference time, and a positioning reference address used for assisting positioning, specifically includes:
the GPS positioning module receives a GPS signal sent by a GPS satellite;
when the auxiliary quick positioning is needed, the GPS positioning module receives GPS satellite orbit prediction data, positioning reference time and positioning reference address sent by the baseband processing unit and carries out quick positioning according to the GPS signal.
Optionally, in the positioning method based on the narrowband internet of things, the positioning reference time is a universal standard time for assisting positioning.
Optionally, in the narrowband internet of things-based positioning method, the positioning reference address is a coarse address obtained from the NBIOT network for assisting positioning.
In addition, to achieve the above object, the present invention further provides an NBIOT positioning device, where the NBIOT positioning device includes:
the baseband processing unit is used for running a real-time operating system and controlling the GPS positioning module and the NBIOT module to work;
the NBIOT module is used for communicating with an NBIOT network through an NBIOT base station, receiving GPS satellite orbit prediction data, positioning reference time and positioning reference address which are used for assisting positioning and come from the NBIOT network, and sending positioning information of NBIOT equipment to the NBIOT network;
and the GPS positioning module is used for receiving GPS signals sent by a GPS satellite, receiving GPS satellite orbit prediction data, positioning reference time and positioning reference addresses sent by the baseband processing unit and carrying out quick positioning.
In addition, in order to achieve the above object, the present invention further provides a storage medium, where the storage medium stores a positioning program based on a narrowband internet of things, and the positioning program based on a narrowband internet of things implements the steps of the positioning method based on a narrowband internet of things when executed by a processor.
The invention discloses a positioning method based on a narrowband Internet of things and NBIOT positioning equipment, wherein the positioning method based on the narrowband Internet of things is applied to the NBIOT positioning equipment, the NBIOT positioning equipment comprises a baseband processing unit, an NBIOT module and a GPS positioning module, and the method comprises the following steps: after the NBIOT positioning equipment is started, initializing the NBIOT module and the GPS positioning module; the NBIOT module acquires GPS satellite orbit prediction data, positioning reference time and positioning reference address for auxiliary positioning through an NBIOT base station; the baseband processing unit acquires GPS satellite orbit prediction data, positioning reference time and positioning reference address which are sent by the NBIOT module and used for auxiliary positioning; the baseband processing unit sends GPS satellite orbit prediction data, positioning reference time and positioning reference address for auxiliary positioning to the GPS positioning module; and the GPS positioning module carries out rapid positioning according to the GPS signal, GPS satellite orbit prediction data for auxiliary positioning, positioning reference time and a positioning reference address. The invention can quickly obtain the rough position information of the terminal by obtaining the position of the NBIOT base station through the NBIOT network, and the GPS can realize quick positioning by obtaining the rough position information by utilizing the NBIOT base station, thereby greatly improving the positioning time and the precision of the GPS.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of an NBIOT locating device of the present invention;
fig. 2 is a flowchart of a preferred embodiment of the positioning method based on the narrowband internet of things of the present invention;
fig. 3 is a flowchart of step S20 in the preferred embodiment of the positioning method based on narrowband internet of things of the present invention;
fig. 4 is a flowchart of step S50 in the preferred embodiment of the positioning method based on narrowband internet of things of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the NBIOT locating device includes: the baseband processing unit is used for running a real-time operating system and controlling the GPS positioning module and the NBIOT module to work; the NBIOT module is used for communicating with an NBIOT network through an NBIOT base station, receiving GPS satellite orbit prediction data, positioning reference time and positioning reference address which are used for assisting positioning and come from the NBIOT network, and sending positioning information of NBIOT equipment to the NBIOT network; and the GPS positioning module is used for receiving GPS signals sent by a GPS satellite, receiving GPS satellite orbit prediction data, positioning reference time and positioning reference addresses sent by the baseband processing unit and carrying out quick positioning.
The baseband processing unit is respectively connected with the NBIOT module and the GPS positioning module.
The baseband processing unit is a main control unit or a chip of the entire NBIOT positioning device, that is, the baseband processing unit is a core unit of the NBIOT positioning device, runs a Real Time Operation System (RTOS), which is a Real Time Operation System (Real Time Operation System), and refers to an operating System that can accept and process data at a sufficiently fast speed when external events or data are generated, and the processing result can control the production process or make a fast response to the processing System within a specified Time, schedule all available resources to complete Real-Time tasks, and control all Real-Time tasks to coordinate and run in a consistent manner, which is a main characteristic thereof to provide timely response and high reliability, and controls the GPS positioning module and the NBIOT module to operate.
Wherein, the NBIOT module can communicate with the NBIOT network through the NBIOT base station, receive EPO (Extended Prediction option, which is an offline server-based GPS assisted positioning technology innovative in the co-distribution department) for assisted positioning from the NBIOT network, and can support GPS satellite Orbit Prediction data up to 30 days, which can greatly shorten the first positioning time of a GPS satellite, thereby significantly improving user experience, and a positioning reference time (the positioning reference time is a world standard time for assisted positioning, the reference time is UTC time, also called world standard time, international coordinated time, abbreviated as UTC), a positioning reference address (the positioning reference address is a rough address acquired from the NBIOT network for assisted positioning), and can also send positioning information of the NBIOT device to the network (which can send the positioning information of the NBIOT device to the NBIOT network, another device may read this information over the network).
The GPS positioning module mainly has the function of receiving GPS signals, and receives the EPO, the positioning reference time and the positioning reference address from the baseband processing unit to perform quick positioning under the condition that auxiliary quick positioning is needed (if information of three aspects of EPO information, positioning reference time and positioning reference address is obtained, a positioning chip of the GPS can support quick positioning and accelerate first positioning time).
Further, based on the NBIOT positioning device, as shown in fig. 2, the positioning method based on the narrowband internet of things in the preferred embodiment of the present invention includes the following steps:
step S10, after the NBIOT positioning device is started, the NBIOT module and the GPS positioning module are initialized;
step S20, the NBIOT module obtains GPS satellite orbit prediction data, positioning reference time and positioning reference address for auxiliary positioning through an NBIOT base station;
step S30, the baseband processing unit acquires GPS satellite orbit prediction data, positioning reference time and positioning reference address which are sent by the NBIOT module and used for auxiliary positioning;
step S40, the baseband processing unit sends GPS satellite orbit prediction data, positioning reference time and positioning reference address for auxiliary positioning to the GPS positioning module;
and step S50, the GPS positioning module carries out rapid positioning according to the GPS signal, the GPS satellite orbit prediction data for auxiliary positioning, the positioning reference time and the positioning reference address.
Specifically, please refer to fig. 3, which is a flowchart of step S20 in the positioning method based on the narrowband internet of things provided by the present invention.
As shown in fig. 3, the step S20 includes:
s21, the NBIOT module communicates with an NBIOT network through an NBIOT base station;
s22, the NBIOT module receives GPS satellite orbit prediction data, positioning reference time and positioning reference address for auxiliary positioning from the NBIOT network, and sends positioning information of NBIOT equipment to the NBIOT network.
Specifically, please refer to fig. 4, which is a flowchart of step S50 in the positioning method based on the narrowband internet of things provided by the present invention.
As shown in fig. 4, the step S50 includes:
s51, the GPS positioning module receives a GPS signal sent by a GPS satellite;
and S52, when the auxiliary quick positioning is needed, the GPS positioning module receives the GPS satellite orbit prediction data, the positioning reference time and the positioning reference address sent by the baseband processing unit and carries out quick positioning according to the GPS signal.
Wherein the positioning reference time is a world standard time for assisting positioning; the positioning reference address is a coarse address acquired from the NBIOT network for assisting positioning (e.g., positioning accuracy is tens to hundreds of meters).
Further, after the NBIOT positioning device is powered on, the NBIOT module is controlled to complete initialization, the GPS positioning module completes initialization, the NBIOT module communicates with an NBIOT network through an NBIOT base station, the NBIOT module receives GPS satellite orbit prediction data, positioning reference time, and a positioning reference address for assisted positioning from the NBIOT network, and sends positioning information of the NBIOT device to the NBIOT network, the baseband processing unit obtains the GPS satellite orbit prediction data, the positioning reference time, and the positioning reference address for assisted positioning sent by the NBIOT module, then the baseband processing unit sends the GPS satellite orbit prediction data, the positioning reference time, and the positioning reference address for assisted positioning to the GPS positioning module, and the GPS positioning module receives a GPS signal sent by a GPS satellite; when the auxiliary quick positioning is needed, the GPS positioning module receives GPS satellite orbit prediction data, positioning reference time and positioning reference address sent by the baseband processing unit and carries out quick positioning according to the GPS signal.
The NBIOT positioning equipment (positioning terminal) of the invention acquires the position of the NBIOT base station through the NBIOT network, can quickly acquire rough position information of the terminal, and the GPS acquires the rough position information through the NBIOT base station, thereby realizing quick positioning and greatly improving the positioning time and precision of the GPS.
The invention also provides a storage medium, wherein the storage medium stores a positioning program based on the narrowband internet of things, and the positioning program based on the narrowband internet of things realizes the steps of the positioning method based on the narrowband internet of things when being executed by a processor.
In summary, the present invention provides a positioning method based on a narrowband internet of things and an NBIOT positioning device, where the positioning method based on the narrowband internet of things is applied to the NBIOT positioning device, the NBIOT positioning device includes a baseband processing unit, an NBIOT module, and a GPS positioning module, and the method includes: after the NBIOT positioning equipment is started, initializing the NBIOT module and the GPS positioning module; the NBIOT module acquires GPS satellite orbit prediction data, positioning reference time and positioning reference address for auxiliary positioning through an NBIOT base station; the baseband processing unit acquires GPS satellite orbit prediction data, positioning reference time and positioning reference address which are sent by the NBIOT module and used for auxiliary positioning; the baseband processing unit sends GPS satellite orbit prediction data, positioning reference time and positioning reference address for auxiliary positioning to the GPS positioning module; and the GPS positioning module carries out rapid positioning according to the GPS signal, GPS satellite orbit prediction data for auxiliary positioning, positioning reference time and a positioning reference address. The invention can quickly obtain the rough position information of the terminal by obtaining the position of the NBIOT base station through the NBIOT network, and the GPS can realize quick positioning by obtaining the rough position information by utilizing the NBIOT base station, thereby greatly improving the positioning time and the precision of the GPS.
Of course, it will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by a computer program instructing relevant hardware (such as a processor, a controller, etc.), and the program may be stored in a computer readable storage medium, and when executed, the program may include the processes of the above method embodiments. The storage medium may be a memory, a magnetic disk, an optical disk, etc.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (7)
1. A positioning method based on a narrowband Internet of things is applied to NBIOT positioning equipment, the NBIOT positioning equipment comprises a baseband processing unit, an NBIOT module and a GPS positioning module, and the positioning method based on the narrowband Internet of things comprises the following steps:
after the NBIOT positioning equipment is started, initializing the NBIOT module and the GPS positioning module;
the NBIOT module acquires GPS satellite orbit prediction data, positioning reference time and positioning reference address for auxiliary positioning through an NBIOT base station;
the baseband processing unit acquires GPS satellite orbit prediction data, positioning reference time and positioning reference address which are sent by the NBIOT module and used for auxiliary positioning;
the baseband processing unit sends GPS satellite orbit prediction data, positioning reference time and positioning reference address for auxiliary positioning to the GPS positioning module;
and the GPS positioning module carries out rapid positioning according to the GPS signal, GPS satellite orbit prediction data for auxiliary positioning, positioning reference time and a positioning reference address.
2. The narrowband internet of things-based positioning method according to claim 1, wherein the NBIOT module obtains GPS satellite orbit prediction data, positioning reference time, and positioning reference address for assisted positioning through an NBIOT base station, and specifically includes:
the NBIOT module communicates with an NBIOT network through an NBIOT base station;
the NBIOT module receives GPS satellite orbit prediction data, positioning reference time and positioning reference address for auxiliary positioning from the NBIOT network and sends positioning information of NBIOT equipment to the NBIOT network.
3. The narrowband internet of things-based positioning method according to claim 1, wherein the GPS positioning module performs fast positioning according to GPS signals, and GPS satellite orbit prediction data, positioning reference time, and positioning reference address for assisted positioning, specifically comprising:
the GPS positioning module receives a GPS signal sent by a GPS satellite;
when the auxiliary quick positioning is needed, the GPS positioning module receives GPS satellite orbit prediction data, positioning reference time and positioning reference address sent by the baseband processing unit and carries out quick positioning according to the GPS signal.
4. The narrowband internet of things-based positioning method according to claim 1, wherein the positioning reference time is a world standard time for assisted positioning.
5. The narrowband internet of things-based positioning method of claim 2, wherein the positioning reference address is a coarse address acquired from the NBIOT network for assisting positioning.
6. An NBIOT locating device, comprising:
the baseband processing unit is used for running a real-time operating system and controlling the GPS positioning module and the NBIOT module to work;
the NBIOT module is used for communicating with an NBIOT network through an NBIOT base station, receiving GPS satellite orbit prediction data, positioning reference time and positioning reference address which are used for assisting positioning and come from the NBIOT network, and sending positioning information of NBIOT equipment to the NBIOT network;
and the GPS positioning module is used for receiving GPS signals sent by a GPS satellite, receiving GPS satellite orbit prediction data, positioning reference time and positioning reference addresses sent by the baseband processing unit and carrying out quick positioning.
7. A storage medium, characterized in that the storage medium stores a narrowband internet of things based positioning program, and the narrowband internet of things based positioning program realizes the steps of the narrowband internet of things based positioning method according to any one of claims 1 to 5 when executed by a processor.
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