CN118042432A - Car Lu Yun all-in-one system based on programmable super surface antenna technology - Google Patents
Car Lu Yun all-in-one system based on programmable super surface antenna technology Download PDFInfo
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Abstract
The invention provides a vehicle Lu Yun through-sensing integrated system based on a programmable super-surface antenna technology, which belongs to the technical field of communication, and comprises: the system comprises a programmable super-surface antenna module, a vehicle OBU module and a cloud module, wherein the programmable super-surface antenna module generates a sensing beam and a communication beam with an independent channel transmission function through a control unit, the sensing beam detects and senses a traffic environment in real time, the communication beam is communicated with the vehicle OBU module in real time, and the obtained sensing and communication data are processed by an edge computing unit and are interacted with the cloud module in information. In the invention, the ventilation integrated system adopts a programmable super-surface antenna technology, so that not only are the road side units and road side sensing equipment integrated, but also the cost scale of the road side intelligent facilities is greatly reduced; and a large number of radio frequency links and TR components are reduced, digital-to-analog conversion, frequency mixing and other processes are not needed, the complexity of signal processing is well reduced, and the architecture of the system is simplified.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a vehicle Lu Yun communication integrated system based on a programmable super-surface antenna technology.
Background
At present, the technology in the fields of automobile, traffic, information communication and the like is accelerated and fused, and a vehicle-road cloud cooperative automatic driving system is formed. The vehicle-road cloud cooperation automatic driving system is based on road side sensing, edge calculation, cloud information fusion and C-V2X and 4G/5G communication technologies, and achieves omnibearing cooperation between vehicle-road-cloud. The intelligent road side facilities in the vehicle-road cloud cooperative system mainly comprise Road Side Units (RSUs), road side sensing equipment (such as cameras, millimeter wave radars and laser radars) and traffic signal facilities such as traffic lights and the like, so that functions of vehicle-road interconnection and intercommunication, environment sensing, local auxiliary positioning, real-time acquisition of traffic signals and the like are realized. Traditional traffic infrastructures such as marks and marked lines can be digitally brought into a road side system through road side intelligent equipment newly deployed in the periphery, and then information broadcasting is carried out in the modes of map broadcasting and the like, so that the soft cost is more input. In the face of huge cost scale, the evolution of road side sensing equipment to integration, high performance and cost control is a necessary path. Therefore, how to realize low power consumption, low cost and integration of the road side sensing equipment is a technical problem to be solved urgently.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a vehicle Lu Yun on-sense integrated system based on a programmable super-surface antenna technology, which solves the problems of discrete road side sensing equipment, high cost, high power consumption and the like in the prior art.
The invention adopts the following technical scheme for realizing the purposes:
A vehicle Lu Yun motion-sensing integrated system based on programmable subsurface antenna technology, the system comprising: a programmable ultra-surface antenna module, a vehicle OBU module and a cloud module, wherein,
The programmable super-surface antenna module consists of a plurality of low-power consumption super-surface units which are arranged periodically, the super-surface units are programmed and controlled by the control unit to generate sensing beams and communication beams with independent channel transmission functions, the generated sensing beams and communication beams are used for respectively sensing and detecting traffic environment and communicating with the vehicle-mounted OBU module, sensed and communicated data are transmitted to the edge computing unit for finishing and computing, and the edge computing unit and the cloud module are used for information interaction;
The vehicle OBU module is in real-time communication with the programmable super-surface antenna module, receives the traffic environment state and sends vehicle state information;
and the cloud module and the programmable super-surface antenna module perform information interaction and share related data required by fusion sensing.
Further, the programmable subsurface antenna module comprises a sensing beam, a communication beam, a control unit, and an edge calculation unit, wherein:
The sensing beam is controlled by the control unit to generate a beam covering a target traffic area, the traffic environment and the traffic state of the target area are scanned, sensed and detected in real time, and sensed data are transmitted back to the edge computing unit;
The communication beam is controlled by the control unit to generate a beam covering a target traffic area, the communication beam is communicated with a vehicle OBU module of the target area in real time, the traffic environment state is sent, the vehicle state information is received, and the communicated data is transmitted back to the edge computing unit;
The control unit encodes the super-surface antenna through the FPGA to generate a sensing beam and a communication beam, and controls the sensing beam and the communication beam to scan the beam in the respective space areas;
The edge computing unit performs information interaction with the cloud module, sorts, computes, positions and tracks data obtained by sensing the wave beam and the communication wave beam, and then uploads the data to the cloud module, meanwhile, remote road information and meteorological information in the cloud module are downloaded, and the data is returned to the vehicle OBU module through the communication wave beam.
Compared with the prior art, the invention provides a vehicle Lu Yun through-feel integrated system based on a programmable super-surface antenna technology, which has the following beneficial effects:
According to the invention, a general sense integrated system is established through a programmable super-surface antenna technology, the super-surface antenna is controlled by utilizing FPGA codes to generate multiple beams, communication and sensing channel separation are realized, vehicles are respectively communicated and road traffic environment sensing and detection are respectively carried out, fusion sensing data are uploaded to a cloud end in real time, functions of a traditional Road Side Unit (RSU) and road side sensing equipment are integrated, integration of the road side sensing equipment is realized, and cost scale of road side intelligent facilities is greatly reduced; because the sensing and the communication share the same frequency spectrum resource, the sensing detection has a large bandwidth for communication, so that the problem of limited frequency spectrum resource is effectively solved, and the frequency spectrum resource is saved; meanwhile, the sensing and the communication share the same bandwidth, so that the communication rate can be improved by the large bandwidth of sensing detection, and the long-distance large-capacity data transmission can be realized by the large transmission power required by sensing detection.
The invention adopts the programmable super-surface antenna technology, the modulation of the baseband signal can be directly carried out on the programmable super-surface antenna without the processes of digital-to-analog conversion, frequency mixing, radio frequency emission and the like, thereby solving the problems of complex architecture, large link loss, high hardware cost and the like of the traditional phased array system.
Drawings
FIG. 1 is a diagram of a vehicle Lu Yun through-sensing integrated system based on programmable subsurface antenna technology provided by an embodiment of the invention;
FIG. 2 is a diagram of a conventional vehicle road cloud road side system according to the present invention;
fig. 3 is a schematic diagram of a programmable subsurface antenna of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Fig. 2 is a schematic diagram of a conventional vehicle-road cloud road side system, where the conventional vehicle-road cloud road side system is divided into a Road Side Unit (RSU) and a road side sensing device, and in actual construction, cost scales of the Road Side Unit (RSU) and the road side sensing device reach billions, and the Road Side Unit (RSU) and the road side sensing device are respectively used as discrete devices, so that the system architecture is complicated, the communication rate is slow, and the integrated and intelligent development of the co-system of the future vehicle Lu Yun is not facilitated.
In order to solve the limitations of the related art, the present invention proposes: the programmable ultra-surface antenna technology is adopted, the FPGA is used for encoding and controlling the ultra-surface antenna to generate multiple beams with independent channels, and the multiple beams are respectively used for communication and perception detection, so that the integrated sense of ventilation is realized; meanwhile, the adoption of the programmable super-surface antenna reduces the complexity of the system, and the baseband signal is directly modulated on the programmable super-surface antenna, so that the vehicle Lu Yun communication-sensing integrated system with low cost, low power consumption and high speed is realized.
As shown in fig. 1, a vehicle Lu Yun integrated system for sensing a sense of a vehicle based on a programmable subsurface antenna technology according to an embodiment of the present invention includes: the system comprises a programmable super-surface antenna module, a vehicle OBU module and a cloud module. Wherein:
The programmable super-surface antenna module consists of a plurality of low-power consumption super-surface units which are arranged periodically, the super-surface units are programmed and controlled by the control unit to generate sensing beams and communication beams with independent channel transmission functions, the generated sensing beams and communication beams are used for respectively sensing and detecting traffic environment and communicating with the vehicle-mounted OBU module, sensed and communicated data are transmitted to the edge computing unit for finishing and computing, and the edge computing unit and the cloud module are used for information interaction;
The vehicle OBU module is in real-time communication with the programmable super-surface antenna module, receives the traffic environment state and sends vehicle state information;
And the cloud module and the programmable super-surface antenna module perform information interaction and share related data required by fusion sensing.
In the embodiment of the application, the programmable subsurface antenna module comprises a sensing beam, a communication beam, a control unit and an edge calculation unit, fig. 3 is a schematic diagram of the programmable subsurface antenna structure, the programmable subsurface antenna module is composed of a plurality of periodically arranged low-power consumption subsurface units, and the control unit encodes the subsurface antenna through an FPGA to generate the sensing beam and the communication beam; the sensing beam is controlled by the control unit to generate a beam covering a target traffic area, the traffic environment and the traffic state of the target area are scanned, sensed and detected in real time, and sensed data are transmitted back to the edge computing unit; the communication beam is controlled by the control unit to generate a beam covering a target traffic area, the communication beam is communicated with a vehicle OBU module of the target area in real time, the traffic environment state is sent, the vehicle state information is received, and the communicated data is transmitted back to the edge computing unit; the edge computing unit performs information interaction with the cloud module, sorts, computes, positions and tracks data obtained by sensing the wave beam and the communication wave beam, and then uploads the data to the cloud module, meanwhile, remote road information and meteorological information in the cloud module are downloaded, and the data is returned to the vehicle OBU module through the communication wave beam.
Further, in the detectable range of the super-surface antenna, when traffic jam is caused by natural disasters or traffic accidents and other factors on a road, the sensing unit beam of the antenna performs scanning sensing detection, the traffic information of the current road is transmitted to the edge computing unit, the current road is arranged, classified, calculated and stored and then uploaded to the cloud, the cloud is transmitted to road side equipment behind the road, the edge computing unit in the road side equipment in the rear area downloads the road traffic information in front from the cloud, and the road traffic information is transmitted to the vehicle OBU module by the communication unit beam to inform the vehicle owner of road section information and change the driving route.
Further, when a traffic accident occurs to a target vehicle in a target area, the communication unit beam and the vehicle OBU module conduct information interaction, the current vehicle state and vehicle information are transmitted to the edge computing unit, the edge computing unit is arranged, identified and then uploaded to the cloud, and a traffic management department checks the state and information of the accident vehicle from the cloud and timely carries out rescue, so that the life safety and road traffic safety of a driver are better guaranteed.
Further, a plurality of intelligent road side facilities with programmable ultra-surface antenna technology sense-of-general integrated systems are installed in a region, the sensing unit wave beam of each sense-of-general integrated system senses and detects traffic information of a current road and uploads the traffic information, the cloud end integrates, processes and calculates a plurality of local road traffic information, a real-time updated dynamic map is constructed by utilizing the road traffic information sensed and detected in real time, the dynamic map is downloaded to each sense-of-general integrated system, and the dynamic map is transmitted to a vehicle by the communication unit wave beam to guide intelligent driving of a target vehicle.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A vehicle Lu Yun through-feel integrated system based on programmable subsurface antenna technology, the system comprising: a programmable ultra-surface antenna module, a vehicle OBU module and a cloud module, wherein,
The programmable super-surface antenna module consists of a plurality of low-power consumption super-surface units which are arranged periodically, the super-surface units are programmed and controlled by the control unit to generate sensing beams and communication beams with independent channel transmission functions, the generated sensing beams and communication beams are used for respectively sensing and detecting traffic environment and communicating with the vehicle-mounted OBU module, sensed and communicated data are transmitted to the edge computing unit for finishing and computing, and the edge computing unit and the cloud module are used for information interaction;
The vehicle OBU module is in real-time communication with the programmable super-surface antenna module, receives the traffic environment state and sends vehicle state information;
and the cloud module and the programmable super-surface antenna module perform information interaction and share related data required by fusion sensing.
2. The integrated vehicle Lu Yun motion sensing system based on programmable subsurface antenna technology as claimed in claim 1, wherein the programmable subsurface antenna module includes a sensing beam, a communication beam, a control unit, and an edge calculation unit, wherein:
The sensing beam is controlled by the control unit to generate a beam covering a target traffic area, the traffic environment and the traffic state of the target area are scanned, sensed and detected in real time, and sensed data are transmitted back to the edge computing unit;
The communication beam is controlled by the control unit to generate a beam covering a target traffic area, the communication beam is communicated with a vehicle OBU module of the target area in real time, the traffic environment state is sent, the vehicle state information is received, and the communicated data is transmitted back to the edge computing unit;
The control unit encodes the super-surface antenna through the FPGA to generate a sensing beam and a communication beam, and controls the sensing beam and the communication beam to scan the beam in the respective space areas;
The edge computing unit performs information interaction with the cloud module, sorts, computes, positions and tracks data obtained by sensing the wave beam and the communication wave beam, and then uploads the data to the cloud module, meanwhile, remote road information and meteorological information in the cloud module are downloaded, and the data is returned to the vehicle OBU module through the communication wave beam.
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| CN202410417619.6A CN118042432A (en) | 2024-04-09 | 2024-04-09 | Car Lu Yun all-in-one system based on programmable super surface antenna technology |
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| CN202410417619.6A CN118042432A (en) | 2024-04-09 | 2024-04-09 | Car Lu Yun all-in-one system based on programmable super surface antenna technology |
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Patent Citations (6)
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| KR102130312B1 (en) * | 2019-07-18 | 2020-07-08 | 중앙대학교 산학협력단 | A beam steering antenna with a metasurface |
| CN115113199A (en) * | 2022-06-22 | 2022-09-27 | 东南大学 | Radar communication integration method based on digital programmable super surface |
| CN115394100A (en) * | 2022-07-22 | 2022-11-25 | 上海交通大学 | Intelligent roadside system facing vehicle-road cooperation |
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