CN112769443B - Internet of vehicles 5G communication system - Google Patents

Internet of vehicles 5G communication system Download PDF

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Publication number
CN112769443B
CN112769443B CN202110369632.5A CN202110369632A CN112769443B CN 112769443 B CN112769443 B CN 112769443B CN 202110369632 A CN202110369632 A CN 202110369632A CN 112769443 B CN112769443 B CN 112769443B
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China
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wireless communication
vehicle
antenna body
baseband processor
speed
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CN112769443A (en
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施林
吴日赐
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Shanghai Maiteng Iot Technology Co ltd
Shanghai Maiteng Internet Of Things Technology Co ltd
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Shanghai Maiteng Iot Technology Co ltd
Shanghai Maiteng Internet Of Things Technology Co ltd
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Publication of CN112769443A publication Critical patent/CN112769443A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3822Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving specially adapted for use in vehicles
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40Circuits

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a vehicle networking 5G communication system, which comprises N5G wireless communication units, wherein N is larger than 1, and the N5G wireless communication units are respectively arranged on the surface of a vehicle or in the vehicle; the 5G wireless communication unit is used for processing a 5G wireless signal; a baseband processor; the baseband processor is used for processing data of the 5G wireless communication unit, and the baseband processor is coupled with an application processor of a vehicle and used for carrying out information interaction on the 5G wireless communication unit and the application processor of the vehicle; and a high-speed communication line connecting the baseband processor and the plurality of 5G wireless communication units. The beneficial technical effects of the car networking 5G communication system are as follows: the distributed 5G antenna design enables the wireless signal receiving efficiency to be higher and better; the plurality of 5G wireless communication units are connected with the baseband processor, so that the cost is greatly saved; the wireless communication unit is connected with the baseband processor through a high-speed communication line, so that the data transmission efficiency is not influenced.

Description

5G communication system of Internet of vehicles
Technical Field
The invention relates to the field of vehicle networking communication, in particular to a vehicle networking 5G communication system.
Background
The current vehicle 5G communication system is similar to the arrangement of a mobile phone 5G communication system, the radio frequency front end is put together with a baseband processor and is connected with the baseband processor through a high-speed line, and 4-6 antenna bodies are pulled to the specified position of the vehicle, such as a shark fin antenna on the roof of the vehicle, a glass antenna on the back of the vehicle and the like and are connected with the vehicle 5G T-BOX through a radio frequency coaxial line. The design needs 4-6 radio frequency coaxial lines of 3-5 meters, which causes difficulty in mounting the antennas for vehicles, and simultaneously, the radio frequency communication efficiency is reduced due to the long distance of the radio frequency coaxial lines, and meanwhile, the cost and the weight of the vehicles are increased.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved by the present invention is to provide a solution with high efficiency, low cost, low weight, and low communication efficiency loss, while flexibly arranging a 5G antenna as required and making full use of the vehicle space.
In order to achieve the above object, the present invention provides a car networking 5G communication system, comprising:
N5G wireless communication units, wherein N is larger than 1, and the N5G wireless communication units are respectively arranged on the surface of the vehicle or in the vehicle; the 5G wireless communication unit is used for processing a 5G wireless signal;
a baseband processor; the baseband processor is used for processing data of the 5G wireless communication unit, and the baseband processor is coupled with an application processor of a vehicle and used for carrying out information interaction on the 5G wireless communication unit and the application processor of the vehicle;
a high-speed communication line connecting the baseband processor and the plurality of 5G wireless communication units;
the 5G wireless communication unit includes:
the 5G antenna body comprises M (M > = 1) 5G radio frequency antennas and is used for receiving and sending wireless signals;
and the radio frequency front end is connected with the 5G antenna body and used for converting the wireless signals of the antenna body into digital signals or converting the digital signals transmitted by the baseband processor into signals which can be sent by the 5G antenna body.
Further, the high-speed communication line includes a high-speed ethernet or an optical fiber.
Further, the high-speed ethernet is a hundred-mega ethernet or a gigabit ethernet, and the high-speed ethernet is used to transmit data of the baseband processor and the plurality of 5G wireless communication units at a high speed.
Further, the 5G wireless communication unit is disposed on the surface of the vehicle or inside the vehicle, including but not limited to a shark fin antenna, a sunroof, a rear view mirror, a window glass, a front bumper, a rear trunk, or a front and rear light.
Further, still include reserve 5G antenna body, reserve 5G antenna body with 5G antenna body functional structure is the same, reserve 5G antenna body with 5G antenna body distributes in the position of difference, reserve 5G antenna body does not power up at ordinary times, works as when 5G antenna body damages reserve 5G antenna body begins work.
Further, the 5G wireless communication unit further includes a high-speed communication interface connected to the radio frequency front end for connecting the high-speed communication line, and the high-speed communication interface includes at least one of a high-speed ethernet interface or an optical fiber interface.
Further, said N is one of 2, 3, 4, 5, 6, 7, 8, 9 or 10.
Further, the 5G wireless communication unit further includes:
the baseband preprocessor is connected with the radio frequency front end and used for preprocessing the radio frequency data; the baseband preprocessor receives the data transmitted by the baseband processor, preprocesses the data and transmits the preprocessed data to the radio frequency front end;
and the high-speed communication interface is connected with the baseband preprocessor and is used for connecting the high-speed communication line, the baseband preprocessor and the baseband processor perform data interaction through the high-speed communication line, and the high-speed communication interface comprises at least one of a high-speed Ethernet interface or an optical fiber interface.
Further, the system also comprises an application processor, vehicle data are obtained and uploaded to the baseband processor, and the baseband processor and the application processor carry out data exchange.
The beneficial technical effects of the car networking 5G communication system are as follows: the distributed 5G antenna design enables the wireless signal receiving efficiency to be higher and better; the 5G wireless communication unit is connected with the baseband processor through the high-speed communication line, the original analog signals are changed into digital signals, the anti-interference capacity in the signal transmission process is improved, the data transmission efficiency is not affected, the high-speed communication line replaces a radio frequency coaxial line, and the cost is greatly saved. The arrangement scheme of the baseband preprocessor enables the 5G signal to be subjected to preliminary processing, and the preprocessed signal is transmitted to the baseband processor, so that the workload of the baseband processor is greatly reduced, and the processing efficiency is improved; when an accident happens to the vehicle, the main 5G antenna is damaged, and the standby 5G antenna at different positions is activated and enabled. The invention forwards moves the radio frequency front end to the antenna body to form a communication unit with the antenna body, and then transmits data to the baseband processor, namely 5G T-BOX through a high-speed communication circuit such as a high-speed Ethernet or an optical fiber for processing, so that the original 4-6 radio frequency coaxial lines are changed into 1 common high-speed communication circuit, and the original analog signal communication is changed into digital signal communication, thereby providing the communication efficiency, reducing the difficulty of vehicle installation, and also reducing the cost and the vehicle weight.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic diagram of a prior art Internet of vehicles 5G communication system;
FIG. 2 is a schematic structural diagram of a car networking 5G communication system according to a preferred embodiment of the present invention;
fig. 3 is a schematic structural diagram of a car networking 5G communication system according to another preferred embodiment of the invention.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be made clear and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.
In the drawings, elements that are structurally identical are represented by like reference numerals, and elements that are structurally or functionally similar in each instance are represented by like reference numerals. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components has been exaggerated in some places in the drawings where appropriate for clarity of illustration.
The invention provides a 5G antenna body, and the 5G antenna body is arranged and installed in the production process of a vehicle. And each main 5G antenna body is correspondingly provided with a standby 5G antenna body. The main 5G antenna body and the standby 5G antenna body are arranged in different vehicle directions and are connected with the radio frequency front end. When an accident happens to the vehicle, the main 5G antenna body is damaged, and the standby 5G antenna body is activated and started.
Another preferred embodiment of the present invention provides a preferable solution, further comprising a standby 5G wireless communication unit, the standby 5G wireless communication unit and the 5G wireless communication unit have the same functional structure, the standby 5G wireless communication unit and the 5G wireless communication unit are distributed at different locations, the standby 5G wireless communication unit is not powered on at ordinary times, and the standby 5G wireless communication unit starts to operate when the 5G wireless communication unit is damaged.
The 5G wireless communication unit is arranged and installed in the vehicle production process. And each main 5G wireless communication unit is correspondingly provided with a standby 5G wireless communication unit. The main 5G wireless communication unit and the standby 5G wireless communication unit are arranged in different vehicle orientations, and are connected with the communication domain controller through respective Ethernet lines. When an accident happens to the vehicle, the main 5G wireless communication unit is damaged, and the standby 5G wireless communication unit is activated and started.
The beneficial technical effects of the car networking 5G communication system are as follows: the distributed antenna design enables the wireless signal receiving efficiency to be higher and better; the plurality of 5G wireless communication units are connected with one communication domain controller, so that the cost is greatly saved; the 5G wireless communication unit is connected with the communication domain controller through the high-speed Ethernet, so that the data transmission efficiency is not influenced. When the vehicle has an accident, the main antenna is damaged, and the standby antenna at different positions is activated and started.
As shown in fig. 1, a schematic diagram of a prior art 5G communication system structure includes: the plurality of 5G antenna bodies 31a are connected to the rf front end 31b through the coaxial shield line, the rf front end 31b is tightly connected to the baseband processor 32, and the baseband processor 32 is tightly connected to the application processor 34.
As shown in fig. 2, the present invention provides a car networking 5G communication system, comprising:
N5G wireless communication units 31, N being greater than 1, N being one of 2, 3, 4, 5, 6, 7, 8, 9 or 10. The N5G wireless communication units 31 are respectively provided on the vehicle surface or inside the vehicle; the distributed 5G antenna design enables the wireless signal receiving efficiency to be higher, and the 5G wireless communication unit 31 is better used for processing 5G wireless signals; a baseband processor 32, saving cost; the baseband processor 32 is used for processing data of the 5G wireless communication unit 31, and the baseband processor 32 is coupled with the application processor 34 of the vehicle for information interaction between the 5G wireless communication unit 31 and the application processor 34 of the vehicle; the high-speed communication line 33 connects the baseband processor 32 and the plurality of 5G wireless communication units 31. The high-speed communication line 33 includes a high-speed ethernet or an optical fiber. The high-speed ethernet is a hundred mega ethernet or a gigabit ethernet, and the high-speed ethernet is used to transmit data of the baseband processor 32 and the plurality of 5G wireless communication units 31 at a high speed. The 5G wireless communication unit 31 includes: a 5G antenna body 31a including M (M > = 1) 5G antenna bodies 31a to receive and transmit wireless signals; the radio frequency front end 31b is connected with the 5G antenna body 31a and used for converting the wireless signals of the antenna body into digital signals or converting the digital signals transmitted by the baseband processor 32 into signals which can be sent by the 5G antenna body 31 a; and a high-speed communication interface connected to the rf front end 31b for connecting to a high-speed communication line 33. The 5G wireless communication unit 31 is disposed on the surface of or inside the vehicle, including but not limited to a shark fin antenna of the vehicle, a sunroof of the vehicle, a rear view mirror, a window glass, a front bumper, a rear trunk, or front and rear headlights. The 5G antenna further comprises a standby 5G antenna body 31a, the standby 5G antenna body 31a and the 5G antenna body 31a are identical in functional structure, the standby 5G antenna body 31a and the 5G antenna body 31a are distributed at different positions, the standby 5G antenna body 31a is not powered on normally, and the standby 5G antenna body 31a starts to work when the 5G antenna body 31a is damaged. And the high-speed communication interface comprises at least one of a high-speed Ethernet interface or an optical fiber interface.
As shown in fig. 3, the present invention provides a car networking 5G communication system, including:
N5G wireless communication units 31, N being greater than 1, N being one of 2, 3, 4, 5, 6, 7, 8, 9 or 10. The N5G wireless communication units 31 are respectively provided on the vehicle surface or inside the vehicle; the distributed 5G antenna design enables the wireless signal receiving efficiency to be higher and better; the 5G wireless communication unit 31 is configured to process a 5G wireless signal; a baseband processor 32, saving cost; the baseband processor 32 is used for processing data of the 5G wireless communication unit 31, and the baseband processor 32 is coupled with the application processor 34 of the vehicle for information interaction between the 5G wireless communication unit 31 and the application processor 34 of the vehicle; the high-speed communication line 33 connects the baseband processor 32 and the plurality of 5G wireless communication units 31. The high-speed communication line 33 includes a high-speed ethernet or an optical fiber. The high-speed ethernet is a hundred mega ethernet or a gigabit ethernet, and the high-speed ethernet is used to transmit data of the baseband processor 32 and the plurality of 5G wireless communication units 31 at a high speed. A 5G antenna body 31a including M (M > = 1) 5G antenna bodies 31a to receive and transmit wireless signals; a radio frequency front end 31b connected to the 5G antenna body 31a for converting a radio signal of the antenna body into a digital signal; the baseband preprocessor 31c is connected with the radio frequency front end 31b and is mainly used for preprocessing radio frequency data when the data volume of the wireless signals is large; the digital signal transmitted by the baseband preprocessor 31c is converted into a signal which can be transmitted by the 5G antenna body 31 a; and a high-speed communication interface connected to the baseband preprocessor 31c for connecting the high-speed communication line 33. The baseband preprocessor is connected with the radio frequency front end 31b and is used for preprocessing the radio frequency data; the baseband preprocessor receives the data transmitted by the baseband processor, preprocesses the data and transmits the preprocessed data to the radio frequency front end 31 b; and a high-speed communication interface connected with the baseband preprocessor and used for connecting the high-speed communication line 33, wherein the baseband preprocessor and the baseband processor carry out data interaction through the high-speed communication line 33. The 5G wireless communication unit 31 is disposed on the surface of or inside the vehicle, including but not limited to a shark fin antenna of the vehicle, a sunroof of the vehicle, a rear view mirror, a window glass, a front bumper, a rear trunk, or front and rear headlights. The 5G antenna further comprises a standby 5G antenna body 31a, the standby 5G antenna body 31a and the 5G antenna body 31a are identical in functional structure, the standby 5G antenna body 31a and the 5G antenna body 31a are distributed at different positions, the standby 5G antenna body 31a is not powered on at ordinary times, and the standby 5G antenna body 31a starts to work when the 5G antenna body 31a is damaged. And the high-speed communication interface comprises at least one of a high-speed Ethernet interface or an optical fiber interface. The setting scheme of the baseband preprocessor enables the 5G signals to be subjected to preliminary processing, and the preprocessed signals are transmitted to the baseband processor, so that the workload of the baseband processor is greatly reduced, and the processing efficiency is improved.
The beneficial technical effects of the car networking 5G communication system are as follows: the distributed 5G antenna design enables the wireless signal receiving efficiency to be higher and better; the 5G wireless communication unit is connected with the baseband processor through the high-speed communication line, original analog signals are changed into digital signals, the anti-interference capacity in the signal transmission process is improved, the data transmission efficiency is not affected, the high-speed communication line replaces a radio frequency coaxial line, and the cost is greatly saved. The setting scheme of the baseband preprocessor enables the 5G signal to be subjected to preliminary processing, and the preprocessed signal is transmitted to the baseband processor, so that the workload of the baseband processor is greatly reduced, and the processing efficiency is improved; when an accident happens to the vehicle, the main 5G antenna is damaged, and the standby 5G antenna at different positions is activated and enabled. The invention moves the front end of radio frequency forward to the antenna body, and forms the communication unit with the antenna body, and then transmits the data to the baseband processor, namely 5G T-BOX through the high-speed communication circuit such as high-speed Ethernet or optical fiber to process, thus changing the original 4-6 radio frequency coaxial lines into 1 common high-speed communication circuit, and changing the original analog signal communication into digital signal communication, thus providing the communication efficiency, reducing the difficulty of vehicle installation, and also reducing the cost and the vehicle weight.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concept. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims (8)

1. The utility model provides a car networking 5G communication system which characterized in that includes:
N5G wireless communication units, wherein N is one of 4, 5, 6, 7, 8, 9 or 10, and the N5G wireless communication units are respectively arranged on the surface of the vehicle or in the vehicle; the 5G wireless communication unit is used for processing a 5G wireless signal;
a baseband processor; the baseband processor is used for processing data of the 5G wireless communication unit, and the baseband processor is coupled with an application processor of a vehicle and used for carrying out information interaction on the 5G wireless communication unit and the application processor of the vehicle;
a high-speed communication line connecting the baseband processor and the N5G wireless communication units;
the 5G wireless communication unit includes:
the 5G antenna body comprises M > =1 5G radio frequency antennas and is used for receiving and sending wireless signals;
and the radio frequency front end is connected with the 5G antenna body and used for converting the wireless signals of the antenna body into digital signals or converting the digital signals transmitted by the baseband processor into signals which can be sent by the 5G antenna body.
2. The internet of vehicles 5G communication system of claim 1, wherein the high speed communication line comprises a high speed ethernet or an optical fiber.
3. The vehicle networking 5G communication system as claimed in claim 2, wherein the high speed Ethernet is one hundred mega Ethernet or one thousand mega Ethernet or one ten mega Ethernet, and the high speed Ethernet is used for transmitting data of the baseband processor and the N5G wireless communication units at a high speed.
4. The internet of vehicles 5G communication system of claim 1, wherein the 5G wireless communication unit is disposed on the surface of or inside the vehicle including but not limited to a vehicle shark fin antenna, a vehicle sunroof, a rear view mirror, a window glass, a front rear bumper, a trunk, or front and rear lights.
5. The Internet of vehicles 5G communication system of claim 1,
still include reserve 5G antenna body, reserve 5G antenna body with 5G antenna body functional structure is the same, reserve 5G antenna body with 5G antenna body distributes in the position of difference, reserve 5G antenna body does not power up at ordinary times, works as when 5G antenna body damages reserve 5G antenna body begins work.
6. The Internet of vehicles 5G communication system of claim 1, wherein the 5G wireless communication unit further comprises a high-speed communication interface connected to the radio frequency front end for connecting the high-speed communication line, the high-speed communication interface comprising at least one of a high-speed Ethernet interface or an optical fiber interface.
7. The internet of vehicles 5G communication system of claim 1, wherein the 5G wireless communication unit further comprises:
the baseband preprocessor is connected with the radio frequency front end and used for preprocessing the radio frequency data; the baseband preprocessor receives the data transmitted by the baseband processor, preprocesses the data and transmits the preprocessed data to the radio frequency front end;
and the high-speed communication interface is connected with the baseband preprocessor and is used for connecting the high-speed communication line, the baseband preprocessor and the baseband processor perform data interaction through the high-speed communication line, and the high-speed communication interface comprises at least one of a high-speed Ethernet interface or an optical fiber interface.
8. The internet of vehicles 5G communication system of claim 1, further comprising an application processor, wherein vehicle data is obtained and uploaded to the baseband processor, and the baseband processor exchanges data with the application processor.
CN202110369632.5A 2021-04-07 2021-04-07 Internet of vehicles 5G communication system Active CN112769443B (en)

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