High-integration Beidou positioning communication core board, device and equipment thereof

Abstract

The utility model discloses a high-integration Beidou positioning communication core board, device and equipment thereof, and the core board comprises a radio frequency front-end module which is used for receiving a first signal; the radio frequency module is coupled with the radio frequency front end module and is used for performing frequency conversion processing on the first signal to obtain an intermediate frequency signal; the baseband processing module is respectively coupled with the radio frequency front-end module and the radio frequency module, and is used for outputting protocol information according to the intermediate frequency signal and carrying out BPSK processing on the protocol information to obtain a second signal; the power supply module is respectively coupled with the radio frequency front-end module, the radio frequency module and the baseband processing module and is used for supplying power to the radio frequency front-end module, the radio frequency module and the baseband processing module; wherein the radio frequency module is further used for modulating the second signal to obtain a modulated signal, and the radio frequency front-end module is further used for transmitting the modulated signal. The Beidou positioning communication core board, the Beidou positioning communication device and the Beidou positioning communication equipment have the characteristics of generalization, miniaturization and low power consumption.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of satellite communication positioning, and particularly relates to a high-integration Beidou positioning communication core board, device and equipment thereof. BACKGROUND

[0002] At present, satellite navigation technology is applied more and more widely, especially with the gradual perfection of the Beidou III global satellite positioning system independently designed by China, the application of the Beidou satellite positioning system has begun to expand to the global, therefore the application scenarios are more and more extensive and complex, and the corresponding technical index requirements are higher and higher.

[0003] Satellite navigation is applied more and more widely in various fields, steadily develops in professional fields such as navigation, agriculture, surveying and mapping, and with the explosive development of unmanned driving and other fields, navigation application technology has penetrated into life. At the same time, navigation equipment is developing towards generalization, miniaturization and low power consumption. CONTENT OF THE INVENTION

[0004] To solve the problems of the prior art, the application provides a high-integration Beidou positioning communication core board, device and equipment thereof, which realizes stable tracking and accurate positioning of satellite signals of B1I, B1C, B2a, B2b and B3I frequency points, speed measurement function, regional short message and global short message functions, and meets the market demand for miniaturization and low power consumption under the requirement of size.

[0005] The utility model adopts the following technical scheme:

[0006] A high-integration Beidou positioning communication core board comprises:

[0007] A radio frequency front-end module is used for receiving a first signal.

[0008] A radio frequency module is coupled with the radio frequency front-end module and is used for frequency conversion processing of the first signal to obtain an intermediate frequency signal.

[0009] A baseband processing module is coupled with the radio frequency front-end module and the radio frequency module respectively and is used for outputting protocol information according to the intermediate frequency signal and performing BPSK processing on the protocol information to obtain a second signal.

[0010] A power module is coupled with the radio frequency front-end module, the radio frequency module and the baseband processing module respectively and provides power.

[0011] The radio frequency module is further used for modulating the second signal to obtain a modulated signal, and the radio frequency front-end module is further used for transmitting the modulated signal.

[0012] Further, the radio frequency front end module comprises an external antenna, a first radio frequency receiving plug, a second radio frequency receiving plug, a third radio frequency receiving plug, a fourth radio frequency receiving plug, an internal antenna and a first radio frequency transmitting plug.

[0013] Further, the radio frequency front end module further comprises:

[0014] An antenna feeding circuit connected with the first radio frequency receiving plug, the second radio frequency receiving plug, the third radio frequency receiving plug, the fourth radio frequency receiving plug and the first radio frequency transmitting plug and providing 5.0V feeding for the first radio frequency receiving plug, the second radio frequency receiving plug, the third radio frequency receiving plug, the fourth radio frequency receiving plug and the first radio frequency transmitting plug;

[0015] A transmitting circuit for outputting the modulated signal to the first radio frequency transmitting plug;

[0016] A power dividing circuit for power dividing the first signal; and

[0017] A filtering circuit for filtering the first signal and the modulated signal.

[0018] Further, when the external antenna receives the first signal, the power dividing circuit is further used for dividing the first signal into a B3 signal, a B2 signal, a B1 signal and an S signal, and transmitting the B3 signal to the radio frequency module through the first radio frequency receiving plug, transmitting the B2 signal to the radio frequency module through the second radio frequency receiving plug, transmitting the B1 signal to the radio frequency module through the third radio frequency receiving plug and transmitting the S signal to the radio frequency module through the fourth radio frequency receiving plug.

[0019] Further, when the external antenna receives the first signal, the power dividing circuit is further used for dividing the first signal into a B3 signal, a B2 signal, a B1 signal and an S signal, and transmitting the B3 signal to the radio frequency module through the first radio frequency receiving plug, transmitting the B2 signal to the radio frequency module through the second radio frequency receiving plug, transmitting the B1 signal to the radio frequency module through the third radio frequency receiving plug and transmitting the S signal to the radio frequency module through the fourth radio frequency receiving plug.

[0020] Further, when the internal antenna receives the first signal, the power dividing circuit is further used for dividing the first signal into a B3 signal and an S signal, and transmitting the B3 signal to the radio frequency module through the first radio frequency receiving plug and transmitting the S signal to the radio frequency module through the fourth radio frequency receiving plug.

[0021] Further, the radio frequency module comprises a five-channel radio frequency chip; the five-channel radio frequency chip comprises a first receiving channel, a second receiving channel, a third receiving channel, a fourth receiving channel and a first transmitting channel; wherein the first receiving channel performs frequency conversion processing on the B3 signal to obtain a first intermediate frequency signal and outputs the first intermediate frequency signal to the baseband processing module, the second receiving channel performs frequency conversion processing on the B2 signal to obtain a second intermediate frequency signal and outputs the second intermediate frequency signal to the baseband processing module, the third receiving channel performs frequency conversion processing on the B1 signal to obtain a third intermediate frequency signal and outputs the third intermediate frequency signal to the baseband processing module, the fourth receiving channel performs frequency conversion processing on the S signal to obtain a fourth intermediate frequency signal and outputs the fourth intermediate frequency signal to the baseband processing module, and the first transmitting channel receives the second signal and performs modulation to obtain the modulated signal.

[0022] Further, the baseband processing module comprises:

[0023] a baseband core circuit, configured to perform capture, tracking, navigation text demodulation and decoding, raw observation extraction and PVT calculation on the B3 signal, the B2 signal, the B1 signal and the S signal, and output positioning data and speed measurement data required by a protocol, and perform BPSK processing on the positioning data and the speed measurement data to obtain the second information;

[0024] a reset circuit, configured to provide a reset signal for the baseband core circuit;

[0025] a FLASH circuit, configured to store programs and data of the baseband chip circuit; and

[0026] an RTC circuit, configured to perform hot start for the baseband core circuit.

[0027] In addition, the application further provides a high-integration Beidou positioning communication device, comprising:

[0028] a module box body;

[0029] a module cover; and

[0030] a high-integration Beidou positioning communication core board as described above;

[0031] The Beidou positioning communication core board is arranged in the module box body, and the module cover is arranged on the module box body.

[0032] In addition, the application further provides a high-integration Beidou positioning communication device, comprising the high-integration Beidou positioning communication device as described above.

[0033] The application has the characteristics of miniaturization and low power consumption, has the advantages of high sensitivity, high precision, high dynamic, has the ability of resisting narrowband interference and anti-fraud interference in complex environment, can meet the application requirements of high-precision positioning, speed measurement, time service, field communication and monitoring of industry users, and can be widely applied in various fields.

[0034] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. The utility model will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0035] The drawings described herein are used to provide further understanding of the application, constitute a part of the application, and the illustrative embodiments of the application and the description thereof are used to explain the application, but do not constitute improper limitation on the application. In the drawings:

[0036] Figure 1 It is a structure schematic view of a Beidou positioning communication core board provided by the utility model;

[0037] Figure 2 It is a system schematic view of a Beidou positioning communication provided by the utility model;

[0038] Figure 3 It is a structure schematic view of a Beidou positioning communication device provided by the utility model; DETAILED DESCRIPTION

[0039] In order to make the personnel in the technical field better understand the application scheme, the technical scheme in the application embodiment will be clearly and completely described below with reference to the drawings in the application embodiment.

[0040] In the description of the application, it should be understood that the orientation or position relationship indicated by the terms and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the devices, elements, modules, systems, platforms or devices indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the application. The following description of the application is only for understanding as a description of individual embodiments of the technical scheme of the application, and other embodiments are not embodied in the following description, but it does not mean that the application excludes these other embodiments, and the technical scheme of the application is not limited to the specific embodiments described below, and the protection scope of the application is not limited to only the specific embodiments described below. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the application.

[0041] It is to be understood that the terms "first", "second", and the like, used in the description and the claims of the present application as well as the foregoing drawings should not be construed as necessarily implying a specific order or sequence of steps or order of description unless explicitly stated otherwise. It is to be understood that the data thus used might be interchanged, where appropriate, so that the embodiments of the present application described herein can be carried out in other than the order shown or described herein. Furthermore, the terms "comprise" and "include" and their conjugates, as used in the specification and the claims, are intended to encompass the inclusion of steps or units that are not specifically recited, but that are inherent to the process, method, product, or apparatus being described. For example, processes, methods, articles, or apparatuses that include "comprising", "including", "containing", "have" or "have", or "consisting essentially of" do not necessarily exclude additional steps or units.

[0042] In some embodiments, as shown in Figure 1 The utility model discloses a high-integration degree's big dipper positioning communication core board 1, comprising:

[0043] Radio frequency front end module 11 is used for receiving first signal;

[0044] Radio frequency module 12 is coupled with radio frequency front end module 11, is used for frequency conversion processing to obtain intermediate frequency signal to first signal;

[0045] Baseband processing module 13 is coupled with radio frequency front end module 11 and radio frequency module 12 respectively, is used for according to intermediate frequency signal output protocol information and carries out BPSK processing to obtain second signal to protocol information;And

[0046] Power module 14 is coupled with radio frequency front end module 11, radio frequency module 12 and baseband processing module 13 respectively and provides power supply;

[0047] Wherein, radio frequency module 12 is also used for modulating to obtain modulated signal to second signal, and radio frequency front end module 11 is also used for emitting modulated signal.

[0048] In some embodiments, radio frequency front end module 11 includes external antenna, first radio frequency receiving plug, second radio frequency receiving plug, third radio frequency receiving plug, fourth radio frequency receiving plug, built-in antenna and first radio frequency transmitting plug.

[0049] In some embodiments, radio frequency front end module 11 further includes:

[0050] an antenna feeding circuit, connected to the first RF receiving plug, the second RF receiving plug, the third RF receiving plug, the fourth RF receiving plug, and the first RF transmitting plug, respectively, and providing 5.0V feeding to the first RF receiving plug, the second RF receiving plug, the third RF receiving plug, the fourth RF receiving plug, and the first RF transmitting plug;

[0051] a transmitting circuit, configured to output the modulated signal to the first RF transmitting plug;

[0052] a power division circuit, configured to perform power division processing on the first signal; and

[0053] A filtering circuit is used to filter the first signal and the modulated signal.

[0054] There are a total of 4 RF interfaces. The 3 interfaces in one row correspond to B3I, S, and L respectively, and the interface in the other row corresponds to full frequency points, that is, all frequency points are supported. A switching solution is provided internally to select which interface to use.

[0055] In some embodiments, when the external antenna receives the first signal, the power division circuit is also used to divide the first signal into a B3 signal, a B2 signal, a B1 signal and an S signal, and transmit the B3 signal to the RF module 12 through the first RF receiving plug, transmit the B2 signal to the RF module 12 through the second RF receiving plug, transmit the B1 signal to the RF module 12 through the third RF receiving plug, and transmit the S signal to the RF module 12 through the fourth RF receiving plug.

[0056] In some embodiments, when the external antenna receives the first signal, the power division circuit is also used to divide the first signal into a B3 signal, a B2 signal, a B1 signal and an S signal, and transmit the B3 signal to the RF module 12 through the first RF receiving plug, transmit the B2 signal to the RF module 12 through the second RF receiving plug, transmit the B1 signal to the RF module 12 through the third RF receiving plug, and transmit the S signal to the RF module 12 through the fourth RF receiving plug.

[0057] In some embodiments, when the built-in antenna receives the first signal, the power division circuit is also used to divide the first signal into a B3 signal and an S signal, and transmit the B3 signal to the RF module 12 through the first RF receiving plug, and transmit the S signal to the RF module 12 through the fourth RF receiving plug.

[0058] In some embodiments, the radio frequency module 12 comprises a five-channel radio frequency chip; the five-channel radio frequency chip comprises a first receiving channel, a second receiving channel, a third receiving channel, a fourth receiving channel and a first transmitting channel; wherein the first receiving channel performs frequency conversion processing on the B3 signal to obtain a first intermediate frequency signal and outputs the first intermediate frequency signal to the baseband processing module 13, the second receiving channel performs frequency conversion processing on the B2 signal to obtain a second intermediate frequency signal and outputs the second intermediate frequency signal to the baseband processing module 13, the third receiving channel performs frequency conversion processing on the B1 signal to obtain a third intermediate frequency signal and outputs the third intermediate frequency signal to the baseband processing module 13, the fourth receiving channel performs frequency conversion processing on the S signal to obtain a fourth intermediate frequency signal and outputs the fourth intermediate frequency signal to the baseband processing module 13, and the first transmitting channel receives the second signal and performs modulation to obtain the modulated signal.

[0059] In some embodiments, the baseband processing module 13 comprises:

[0060] a baseband core circuit for performing capture, tracking, navigation text demodulation and decoding, raw observation extraction and PVT calculation on the B3 signal, the B2 signal, the B1 signal and the S signal and outputting protocol-required positioning data and velocity measurement data, and performing BPSK processing on the positioning data and the velocity measurement data to obtain the second information;

[0061] a reset circuit for providing a reset signal for the baseband core circuit;

[0062] a FLASH circuit for storing programs and data of the baseband chip circuit; and

[0063] an RTC circuit for thermal starting of the baseband core circuit.

[0064] In some embodiments, the specific structures and connection modes of the above embodiments can be as shown in Figure 2 .

[0065] In some embodiments, as shown in Figure 3 , the application further provides a high-integration Beidou positioning communication device 2, comprising:

[0066] a module box body 21;

[0067] a module cover 22; and

[0068] a high-integration Beidou positioning communication core board 1 as described above;

[0069] wherein the Beidou positioning communication core board 1 is arranged in the module box body 21, and the module cover 22 is arranged on the module box body 21.

[0070] In some embodiments, the application also provides a high-integration Beidou positioning communication device, comprising the high-integration Beidou positioning communication apparatus as described above.

[0071] Optionally, the specific examples in the application can refer to the examples described in the above embodiments and optional implementation manners.

[0072] The specific embodiments of the application described above are merely for description, and do not represent the advantages and disadvantages of the embodiments.

[0073] In the above embodiments of the application, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0074] In the several embodiments provided by the present application, it should be understood that the disclosed technology can be implemented in other ways. Of course, the system embodiments described above are only illustrative, for example, multiple devices can be combined or integrated into another system, or some features can be ignored or not executed.

[0075] The above only describes the preferred embodiments of the application, and it should be pointed out that, for those skilled in the art, without departing from the principles of the application, some improvements and refinements can be made, which should also be regarded as the protection scope of the application.

Claims

1. A high-integration Beidou positioning communication core board, characterized in that, The application relates to a radio frequency module. The radio frequency module comprises: a radio frequency front-end module for receiving a first signal; a radio frequency module coupled with the radio frequency front-end module for frequency conversion processing of the first signal to obtain an intermediate frequency signal; a baseband processing module coupled with the radio frequency front-end module and the radio frequency module respectively for outputting protocol information according to the intermediate frequency signal and BPSK processing of the protocol information to obtain a second signal; and a power module coupled with the radio frequency front-end module, the radio frequency module and the baseband processing module respectively and providing power supply. The radio frequency module is further used for modulating the second signal to obtain a modulated signal, and the radio frequency front-end module is further used for transmitting the modulated signal.

2. The high-integration Beidou positioning communication core board according to claim 1, characterized in that: The radio frequency front-end module comprises an external antenna, a first radio frequency receiving plug, a second radio frequency receiving plug, a third radio frequency receiving plug, a fourth radio frequency receiving plug, an internal antenna and a first radio frequency transmitting plug.

3. The high-integration Beidou positioning communication core board according to claim 2, characterized in that, The radio frequency front-end module further comprises: an antenna feed circuit connected with the first radio frequency receiving plug, the second radio frequency receiving plug, the third radio frequency receiving plug, the fourth radio frequency receiving plug and the first radio frequency transmitting plug and providing 5.0V feed for the first radio frequency receiving plug, the second radio frequency receiving plug, the third radio frequency receiving plug, the fourth radio frequency receiving plug and the first radio frequency transmitting plug; a transmitting circuit for outputting the modulated signal to the first radio frequency transmitting plug; a power dividing circuit for power dividing processing of the first signal; and a filter circuit for filtering processing of the first signal and the modulated signal.

4. The high-integration Beidou positioning communication core board according to claim 3, characterized in that: When the external antenna receives the first signal, the power dividing circuit is further used for dividing the first signal into a B3 signal, a B2 signal, a B1 signal and an S signal, and transmitting the B3 signal to the radio frequency module through the first radio frequency receiving plug, transmitting the B2 signal to the radio frequency module through the second radio frequency receiving plug, transmitting the B1 signal to the radio frequency module through the third radio frequency receiving plug and transmitting the S signal to the radio frequency module through the fourth radio frequency receiving plug.

5. The high-integration Beidou positioning communication core board according to claim 4, characterized in that: When the external antenna receives the first signal, the power dividing circuit is further used for dividing the first signal into a B3 signal, a B2 signal, a B1 signal and an S signal, and transmitting the B3 signal to the radio frequency module through the first radio frequency receiving plug, transmitting the B2 signal to the radio frequency module through the second radio frequency receiving plug, transmitting the B1 signal to the radio frequency module through the third radio frequency receiving plug and transmitting the S signal to the radio frequency module through the fourth radio frequency receiving plug.

6. The high-integration Beidou positioning communication core board according to claim 5, characterized in that: When the internal antenna receives the first signal, the power dividing circuit is further used for dividing the first signal into a B3 signal and an S signal, and transmitting the B3 signal to the radio frequency module through the first radio frequency receiving plug and transmitting the S signal to the radio frequency module through the fourth radio frequency receiving plug.

7. The high-integration Beidou positioning communication core board according to claim 6, characterized in that: The radio frequency module comprises a five-channel radio frequency chip; the five-channel radio frequency chip comprises a first receiving channel, a second receiving channel, a third receiving channel, a fourth receiving channel and a first transmitting channel; wherein the first receiving channel performs frequency conversion processing on the B3 signal to obtain a first intermediate frequency signal and outputs the first intermediate frequency signal to the baseband processing module, the second receiving channel performs frequency conversion processing on the B2 signal to obtain a second intermediate frequency signal and outputs the second intermediate frequency signal to the baseband processing module, the third receiving channel performs frequency conversion processing on the B1 signal to obtain a third intermediate frequency signal and outputs the third intermediate frequency signal to the baseband processing module, the fourth receiving channel performs frequency conversion processing on the S signal to obtain a fourth intermediate frequency signal and outputs the fourth intermediate frequency signal to the baseband processing module, and the first transmitting channel receives the second signal and performs modulation to obtain the modulated signal.

8. The high-integration Beidou positioning communication core board according to claim 7, characterized in that, The baseband processing module comprises: a baseband core circuit for capturing, tracking, navigation text demodulation and decoding, raw observation extraction and PVT calculation of the B3 signal, the B2 signal, the B1 signal and the S signal, and outputting protocol-required positioning data and velocity measurement data, and performing BPSK processing on the positioning data and the velocity measurement data to obtain the second information; a reset circuit for providing a reset signal for the baseband core circuit; a FLASH circuit for storing programs and data of the baseband chip circuit; and an RTC circuit for thermal starting of the baseband core circuit.

9. A high-integration Beidou positioning communication device, characterized in that, It comprises: a module box body; a module cover; and a high-integration Beidou positioning communication core board according to any one of claims 1-8; wherein the Beidou positioning communication core board is arranged in the module box body, and the module cover is arranged on the module box body. It comprises the high-integration Beidou positioning communication device according to claim 9.

10. A high-integration Beidou positioning communication device, characterized in that, ​

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