CN218550190U - Relay assistor for positioning and positioning system - Google Patents

Abstract

The application relates to the technical field of positioning and discloses a relay assistor for positioning, which comprises a plurality of positioning nodes, a Beidou positioning module, a calculation module and a data fusion module. The positioning nodes are placed at different positions and send signal parameters of the different positions; the Beidou positioning module is configured to acquire position information and time information of the relay assistor; the calculation module is respectively connected with the plurality of positioning nodes and the Beidou positioning module and is configured to calculate positioning data of the plurality of positioning nodes according to the position information and the signal parameters; the data fusion module is respectively connected with the calculation module and the Beidou positioning module, is configured to integrate a plurality of positioning data and time information, and sends the integrated data to the master station platform. Like this, can fuse big dipper data and the data of gathering to reduce positioning error, and then can enlarge positioning range, improve positioning accuracy. The application also discloses a positioning system.

Description

Relay assistor for positioning and positioning system

Technical Field

The present application relates to the field of positioning technologies, and for example, to a relay assist device and a positioning system for positioning.

Background

Positioning information is an important component of the power internet of things, wherein the Beidou satellite navigation system has a positioning function, but the Beidou satellite navigation system is difficult to meet actual requirements under some conditions. For example, in some environments such as indoor, urban, canyon or forest, the satellite signal is weak, even the satellite signal cannot be received, and accurate positioning cannot be achieved.

Therefore, the related art provides a positioning system combining Beidou and RFID, and the positioning system comprises electronic tag equipment, an RFID reader-writer, a server and terminal equipment; the electronic tag device is an active RFID and comprises two batteries, an RFID chip, a Beidou chip and an MCU, wherein the two batteries are respectively connected with the RFID chip and the Beidou chip, the RFID chip is coupled with a first antenna, the Beidou chip is coupled with a second antenna, and the MCU is connected with the RFID chip and the Beidou chip. The Beidou and RFID combined positioning system can realize indoor and outdoor seamless positioning and has high positioning precision.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

although the positioning system realizes positioning through the relationship between the Beidou and the RFID, the positioning is realized through the topological relationship between network architectures or nodes, so that a large error exists, and the obtained positioning data is not particularly accurate.

It is noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the application and therefore may include information that does not constitute prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a relay assistor and a positioning system for location, which can fuse Beidou data and collected data, thereby reducing the location error, further enlarging the location range and improving the location precision.

In some embodiments, the relay aid for positioning includes a plurality of positioning nodes, a Beidou positioning module, a calculation module and a data fusion module. The positioning nodes are placed at different positions and send signal parameters of the different positions; the Beidou positioning module is configured to acquire position information and time information of the relay assistor; the calculation module is respectively connected with the plurality of positioning nodes and the Beidou positioning module and is configured to calculate positioning data of the plurality of positioning nodes according to the position information and the signal parameters; the data fusion module is respectively connected with the calculation module and the Beidou positioning module, is configured to integrate a plurality of positioning data and time information, and sends the integrated data to the master station platform.

In some embodiments, the calculation module calculates the plurality of positioning data according to the signal strength from the plurality of signal parameters to the position information.

In some embodiments, the data fusion module integrates each positioning data and the time information to obtain a positioning data table, and the data fusion module sends the positioning data table to the master station platform.

In some embodiments, the positioning node comprises one or more of a WiFi module, a WSN network communication module, an RFID module, and a LoRa module.

In some embodiments, the Beidou positioning module comprises a dual-frequency multimode positioning module.

In some embodiments, the computing module is communicatively coupled to the plurality of positioning nodes via a first communication module.

In some embodiments, the first communication module comprises a wireless communication module.

In some embodiments, the data fusion module is communicatively coupled to the host platform via a second communication module.

In some embodiments, the second communication module comprises a 4G communication module or a 5G communication module.

In some embodiments, the positioning system comprises the relay aid for positioning in the foregoing embodiments.

The relay assistor and the positioning system for positioning provided by the embodiment of the disclosure can achieve the following technical effects:

the positioning nodes are placed at different positions and send signal parameters of the different positions, and the Beidou positioning module acquires position information and time information of the relay assistor; the computing module acquires the position information of the relay assistor and signal parameters of the plurality of positioning nodes according to the Beidou positioning module to compute and obtain positioning data of the plurality of positioning nodes; integrating the plurality of positioning data with the time information acquired by the Beidou positioning module through a data integration module; therefore, more accurate positioning information can be obtained, so that the positioning error is reduced, the positioning range can be expanded, and the positioning precision is improved. On the basis, the integrated data are sent to the main station platform, so that the user can timely and accurately master the dynamic state of the positioning information.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated in the accompanying drawings, which correspond to the accompanying drawings and not in a limiting sense, in which elements having the same reference numeral designations represent like elements, and in which:

fig. 1 is a schematic block diagram of a relay aid for positioning according to an embodiment of the present disclosure;

fig. 2 is a schematic block diagram of another relay aid for positioning according to an embodiment of the present disclosure;

fig. 3 is a schematic block diagram of another relay aid for positioning according to an embodiment of the present disclosure;

fig. 4 is a schematic block diagram of another relay aid for positioning according to an embodiment of the present disclosure;

fig. 5 is a module connection diagram of a database module provided by an embodiment of the present disclosure.

Reference numerals:

10: positioning a node; 20: a Beidou positioning module; 30: a calculation module; 40: a data fusion module; 50: a master station platform; 60: a first communication module; 70: a second communication module;

80: a database module; 81: a storage module; 82: and an encryption module.

Detailed Description

So that the manner in which the features and advantages of the embodiments of the present disclosure can be understood in detail, a more particular description of the embodiments of the disclosure, briefly summarized above, may be had by reference to the appended drawings, which are included to illustrate, but are not intended to limit the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged as appropriate for the embodiments of the disclosure described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The term "plurality" means two or more, unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

The term "correspond" may refer to an association or binding relationship, and a corresponds to B refers to an association or binding relationship between a and B.

With reference to fig. 1, a relay aid for positioning according to an embodiment of the present disclosure includes a plurality of positioning nodes 10, a Beidou positioning module 20, a calculating module 30, and a data fusion module 40. The positioning nodes 10 are placed at different positions and send signal parameters of the different positions; a Beidou positioning module 20 configured to acquire position information and time information of the relay assistor; the calculation module 30 is respectively connected with the plurality of positioning nodes 10 and the Beidou positioning module 20, and is configured to calculate positioning data of the plurality of positioning nodes 10 according to the position information and the signal parameters; and the data fusion module 40 is respectively connected with the calculation module 30 and the Beidou positioning module 20, and is configured to integrate a plurality of positioning data and time information and send the integrated data to the master station platform 50.

By adopting the relay assistor for positioning provided by the embodiment of the disclosure, a plurality of positioning nodes 10 are placed at a plurality of different positions and send signal parameters of the plurality of different positions, and meanwhile, the Beidou positioning module 20 collects position information and time information of the relay assistor; the calculation module 30 can calculate the positioning data of the plurality of positioning nodes 10 according to the position information of the relay assistor and the signal parameters of the plurality of positioning nodes 10 acquired by the Beidou positioning module 20; integrating the plurality of positioning data with the time information acquired by the Beidou positioning module 20 through a data integration module 40; therefore, more accurate positioning information can be obtained, so that the positioning error is reduced, the positioning range can be expanded, and the positioning precision is improved. On this basis, the integrated data is sent to the master station platform 50, so that the user can timely and accurately grasp the dynamic state of the positioning information.

In the present embodiment, a plurality of positioning nodes 10 are provided at different locations, so that signal parameters at a plurality of different locations can be transmitted. The positioning node 10 is mainly used for transmitting the service data and the characteristic parameters of the wireless signals at the position. And taking the service data, the characteristic parameters of the wireless signals and other data as signal parameters.

Here, the service data may include an IP Address (Internet Protocol Address) of the positioning node 10, and the like; the characteristic parameter of the wireless Signal may include a Signal Strength indicator (RSSI) and the like.

In order that the plurality of positioning nodes 10 can form a communication mode of the internet of things, optionally, in some embodiments, the positioning nodes 10 include one or more of a WiFi module, a WSN network communication module, an RFID module, and a LoRa module.

Optionally, in this embodiment, the positioning node 10 includes a WiFi module, where the WiFi module belongs to a transmission layer of the internet of things, and functions to convert a serial port or TTL level into an embedded module that meets a WiFi wireless network communication standard, and a built-in wireless network protocol ieee802.11b.g.n protocol stack and a TCP/IP protocol stack. Therefore, the plurality of WiFi modules can form a communication mode of the Internet of things.

Optionally, in this embodiment, the positioning node 10 includes a WSN Network communication module, and a Wireless Sensor Network (WSN) module is composed of a large number of micro Sensor nodes deployed in a monitoring area, and a multi-hop self-organizing Network system formed through a Wireless communication manner may be used to cooperatively sense, acquire and process information of a sensed object in a Network coverage area, and send the information to an observer. Therefore, the plurality of WSN network communication modules can also form a communication mode of the Internet of things.

Optionally, in this embodiment, the positioning node 10 includes an RFID module, and the Radio Frequency Identification (RFID) module is a technology for automatically identifying a target object and acquiring related information by using a Radio Frequency signal, and has basic functions of basic components of a communication system, such as transmitting, receiving, and communicating channels and transmitting information. Therefore, the plurality of RFID modules can also form a communication mode of the Internet of things.

Optionally, in this embodiment, the positioning node 10 includes a LoRa module, and a Long Range Radio (LoRa) module is a low power consumption local area network wireless standard, and under the same power consumption condition, the distance of propagation is longer than that of propagation in other wireless manners, and is extended by 3-5 times compared with a conventional wireless Radio frequency communication distance, that is, the low power consumption and the Long Range are unified. Therefore, the plurality of LoRa modules can also form a communication mode of the Internet of things.

In the above embodiment, the plurality of positioning nodes 10 may include one of a WiFi module, a WSN network communication module, an RFID module, and an LoRa module; or, a plurality of modules including a WiFi module, a WSN network communication module, an RFID module, and an LoRa module are used in combination.

In this embodiment, the beidou positioning module 20 collects the position information and the time information of the relay assistor. The Beidou positioning module 20 collects the position information of the relay assist device, and also obtains the time information at the moment, the working time length information of the relay assist device and the like. The position information comprises longitude and latitude, altitude and the like; the time information includes clock synchronization information and the like.

In this embodiment, the beidou positioning module 20 includes a dual-band multimode positioning module. The BeiDou Navigation Satellite System (BDS) is an important infrastructure for providing all-weather, all-time and high-precision positioning, navigation and time service for global users. The Beidou system mainly has three functions of precise time service, short message communication and rapid positioning, has the advantages of wide coverage range, no signal blind area, simplicity in deployment, strong survivability, low construction cost and the like, and is widely applied to the fields of transportation, agriculture, forestry and fishery, hydrological monitoring, weather forecast, communication time service, power scheduling, disaster relief and reduction, public safety and the like. Here, the big dipper positioning module 20 adopts a dual-frequency multimode positioning module SKG122S, and the dual-frequency multimode positioning module SKG122S is an industrial-grade standard high-performance, multi-system dual-frequency (L1 + L5) navigation positioning module, and integrates an RDSS low-noise amplification circuit, a radio frequency transceiver chip, a 5W power amplifier circuit, a baseband circuit, and the like; meanwhile, the GPS, the Beidou, the GLONASS, the GALILEO and the QZSS, A-GPS are supported, and the anti-interference performance and the anti-multipath effect are strong.

After the signal parameters sent by the positioning nodes 10 and the position information collected by the Beidou positioning module, in some embodiments, the calculation module 30 is respectively connected with the plurality of positioning nodes 10 and the Beidou positioning module 20, and the positioning data of the plurality of positioning nodes 10 is calculated according to the position information and the signal parameters. In some specific embodiments, the calculating module 30 calculates a plurality of positioning data according to a plurality of signal parameters to signal strength of the position information.

In this embodiment, the calculation module 30 is configured to receive signal parameters sent by a plurality of positioning nodes 10, and also receive position information acquired by the beidou positioning module 20. In this way, the calculation module 30 can calculate the attenuation of the signal parameter according to the strength from the signal parameter to the position information, so as to calculate the distance between the positioning node 10 and the beidou positioning module 20. Specifically, the path loss is described based on a channel propagation model, and then the transmission distance between the positioning node 10 and the beidou positioning module 20 is obtained based on the signal strength.

In this embodiment, after the calculation module 30 calculates the positioning data through the signal parameters and with the position information, the data fusion module 40 is connected with the calculation module 30 and the beidou positioning module 20 respectively, can integrate the positioning data with the time information, and send the integrated data to the master station platform 50. In some specific embodiments, the data fusion module 40 integrates each positioning data and time information to obtain a positioning data table, and the data fusion module 40 transmits the positioning data table to the master station platform 50.

In some embodiments, three positioning nodes 10 are disposed at three positions in a space region, the three positioning nodes 10 respectively transmit signal parameters of the three positions, the calculation module 30 respectively receives the signal parameters of the three positions and the position information of the beidou positioning module 20, so as to obtain positioning data of the three positions, and then the data fusion module 40 synchronizes the positioning data with the clock information of the beidou positioning module 20, so as to obtain a positioning data table consisting of the three positions. Therefore, the user can accurately obtain the positioning data information of each different position.

In order to enable a plurality of positioning nodes 10 to quickly and accurately send signal parameters to the calculation module 30. As shown in connection with fig. 2, in some embodiments, the computing module 30 is communicatively coupled to a plurality of positioning nodes 10 via a first communication module 60. The signal parameters are sent to the calculation module 30 by the first communication module 60.

In this embodiment, the first communication module 60 sends the signal parameters to the calculation module 30, so as to receive the signal parameters of the plurality of positioning nodes 10 in time, and send the plurality of signal parameters to the calculation module 30 at the same time, thereby ensuring synchronization of the plurality of signal parameters. Accordingly, the first communication module 60 may also perform data transmission through a plurality of communication manners, but in order to improve the communication capability of the first communication module 60, in some embodiments, the first communication module includes a wireless communication module.

In this embodiment, the first communication module 60 includes a wireless communication module having a WiFi module interface, a WSN network communication module interface, an RFID module interface, and/or a LoRa module interface. The selection is specifically made according to actual use, and is not specifically limited herein.

In order to enable the data fusion module 40 to quickly and accurately transmit the positioning data table to the master station platform 50. As shown in fig. 3, in some embodiments, the data fusion module 40 is communicatively coupled to the host platform 50 via a second communication module 70. The positioning data table is transmitted to the master station platform 50 through the second communication module 70.

In this embodiment, after the positioning data table is obtained by the data fusion module 40, the positioning data table needs to be sent to the master station platform 50 through the second communication module 70. Accordingly, the second communication module 70 may also perform data transmission through a plurality of communication manners, but in order to improve the communication capability of the second communication module 70, in some embodiments, the second communication module includes a 4G communication module or a 5G communication module.

In this embodiment, the second communication module 70 adopts a 4G communication module, and the 4G communication module is a general term for LTE network systems such as TD-LTE and FDD-LTE. The method has the characteristics of high communication speed, wide network spectrum, flexible communication and the like. Thus, the positioning data table can be transmitted to the master station platform 50.

In this embodiment, the second communication module 70 adopts a 5G communication module, and compared with a 4G communication module, the transmission rate is higher and the delay is lower. Therefore, the positioning data table can be quickly transmitted to the master station platform 50. Optionally, the second communication module 70 may also be a beidou communication module, which has a high transmission rate, a high module integration level, and low power consumption.

In the above embodiment, the first communication module 60 and the second communication module 70, the first communication module 60 is used for the calculation module 30 to perform communication connection with the plurality of positioning nodes 10, and is a downlink communication module; the second communication module 70 is used for the data fusion module 40 to be in communication connection with the master station platform 50, and is an uplink communication module.

As shown in connection with fig. 4, in some embodiments, the relay aid for positioning further comprises: and the database module 80 is connected with the data fusion module 40 and is configured to store the integration data in the data fusion module 40.

In this embodiment, the integration data stored in the database module 80 is a positioning data table integrated by the data fusion module 40. Here, the positioning data table integrated by the data fusion module 40 may save the positioning data table to the database module 80.

Further, to protect data privacy, as shown in connection with FIG. 5, in some embodiments database module 80 includes a storage module 81 and an encryption module 82. Wherein, the storage module 81 can store the integrated data (positioning data table) in the data fusion module 40; the encryption module 82 can encrypt the integration data (positioning data table) in the storage module 81. In this way, the privacy security of the data can be ensured. In any encryption method, it is only necessary to realize multiple functions of data encryption, decryption, signature, identity authentication, access authority control, communication line protection, and the like, and to ensure the security of data storage, transmission, and interaction.

With the relay assist device for positioning in the above embodiment, the deployment manner and the working mode thereof can be flexibly set according to different application scenarios and situations. Here, the deployment modes are divided into a mobile deployment mode and a fixed deployment mode, and the working modes include a continuous acquisition working mode, a periodic acquisition working mode and a trigger acquisition working mode.

In some specific applications, the relay assist device is deployed in a mobile manner, and in order to continuously acquire the working mode, the relay assist device needs to continuously collect the signal parameters of each positioning node 10 in real time.

In other specific applications, the relay assist device adopts a fixed deployment mode, and when the periodic acquisition mode is adopted, the relay assist device can perform effective adjustment according to the signal parameter change frequency of the positioning node 10. Further, if the frequency of the signal parameter change of the relay assist device collection positioning node 10 is not very stable, the working mode of the relay assist device may be adjusted to the trigger acquisition working mode.

The disclosed implementation also provides a positioning system, which is characterized by comprising the relay assistor for positioning in the foregoing embodiment.

Since the positioning system in this embodiment includes the technical solutions of the above embodiments, at least the beneficial effects brought by the technical solutions of the above embodiments are achieved, and are not described in detail herein.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and illustrated in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A relay aid for positioning, comprising:

a plurality of positioning nodes which are placed at a plurality of different positions and transmit signal parameters of the plurality of different positions;

the Beidou positioning module is configured to acquire position information and time information of the relay assistor;

the calculation module is respectively connected with the plurality of positioning nodes and the Beidou positioning module and is configured to calculate positioning data of the plurality of positioning nodes according to the position information and the signal parameters;

and the data fusion module is respectively connected with the calculation module and the Beidou positioning module, is configured to integrate the plurality of positioning data and the time information, and sends the integrated data to the master station platform.

2. The relay aid of claim 1, wherein the calculating module calculates the positioning data by using signal strength of the signal parameters to the position information.

3. The relay aid as claimed in claim 2, wherein the data fusion module integrates each positioning data and time information to obtain a positioning data table, and the data fusion module transmits the positioning data table to the master station platform.

4. The relay aid of claim 1, wherein the positioning node comprises one or more of a WiFi module, a WSN network communication module, an RFID module, and a LoRa module.

5. The relay aid according to any one of claims 1 to 4, wherein said Beidou positioning module comprises a dual-band multimode positioning module.

6. The relay aid of claim 5, wherein the computing module is communicatively coupled to the plurality of positioning nodes via a first communication module.

7. The relay aid of claim 6, wherein the first communication module comprises a wireless communication module.

8. The relay aid of claim 5, wherein the data fusion module is communicatively coupled to the master station platform via a second communication module.

9. The relay aid according to claim 8, wherein the second communication module comprises a 4G communication module or a 5G communication module.

10. A positioning system, characterized in that it comprises a relay aid for positioning according to any one of claims 1 to 9.

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