WO2024031962A1 - 追踪器 - Google Patents

追踪器 Download PDF

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Publication number
WO2024031962A1
WO2024031962A1 PCT/CN2023/078612 CN2023078612W WO2024031962A1 WO 2024031962 A1 WO2024031962 A1 WO 2024031962A1 CN 2023078612 W CN2023078612 W CN 2023078612W WO 2024031962 A1 WO2024031962 A1 WO 2024031962A1
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WO
WIPO (PCT)
Prior art keywords
unit
tracker
baseband
radio frequency
signal
Prior art date
Application number
PCT/CN2023/078612
Other languages
English (en)
French (fr)
Inventor
钱嘉楠
Original Assignee
中兴通讯股份有限公司
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Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2024031962A1 publication Critical patent/WO2024031962A1/zh

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/14—Receivers specially adapted for specific applications
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present disclosure relates to the field of mobile communication technology, and in particular, to a tracker.
  • V2X Vehicle to Everything
  • the present disclosure proposes a tracker to solve the technical problem of difficulty in reminding pedestrians to avoid risks.
  • the present disclosure provides a tracker, which includes: a V2X antenna unit; a radio frequency unit, which is connected to the V2X antenna unit; a baseband unit, which is connected to the radio frequency unit; and a power supply unit, which is connected to the radio frequency unit and the baseband unit. connection, used to power the radio frequency unit and the baseband unit; wherein, when the tracker enters the signal transmission range of the Internet of Vehicles system, the V2X antenna unit obtains the first signal sent by the roadside unit and/or the vehicle-mounted unit; the radio frequency unit A signal is demodulated to obtain a second signal, and the second signal is sent to the baseband unit; the baseband unit obtains road information based on the second signal, and provides safety prompts based on the road information.
  • Figure 1 is an application scenario diagram of a tracker provided by the present disclosure
  • Figure 2 is a schematic block diagram of a tracker provided by the present disclosure
  • Figure 3 is a schematic block diagram of a tracker provided by the present disclosure.
  • Figure 4 is a schematic block diagram of a tracker provided by the present disclosure.
  • Figure 5 is a schematic block diagram of a tracker provided by the present disclosure.
  • Figure 6 is a schematic block diagram of a power supply unit provided by the present disclosure.
  • Figure 7 is a schematic block diagram of a tracker provided by the present disclosure.
  • Figure 8 is a schematic block diagram of a tracker provided by the present disclosure.
  • Figure 9 is a schematic block diagram of a tracker provided by the present disclosure.
  • Figure 10 is a schematic block diagram of a tracker provided by the present disclosure.
  • Figure 11 is a schematic structural diagram of a tracker provided by the present disclosure.
  • the tracker 100 provided by the present disclosure is used in the Internet of Vehicles system.
  • the Internet of Vehicles system includes a Road Side Unit (Road Side Unit, RSU for short) 200 and an On Board Unit (OBU for short) 300.
  • RSU Road Side Unit
  • OBU On Board Unit
  • the tracker 100 can complete communication handshakes with the roadside unit 200 and the vehicle-mounted unit 300 .
  • the disclosed tracker can communicate with roadside units and vehicle-mounted units in the Internet of Vehicles system and obtain road information. It uses the baseband module to generate safety information based on user information and road information, and issues safety reminders to users based on the safety information.
  • the tracker can be carried by pedestrians to provide them with more road information to help them proactively avoid road risks.
  • this disclosure is mainly used to provide road risk warnings for pedestrians, and can also be used to provide road risk warnings for drivers.
  • the present disclosure provides a tracker 100.
  • the tracker 100 includes: a V2X antenna unit 11, a radio frequency unit 12, a baseband unit 13, and a power supply unit 14.
  • the radio frequency unit 12 is connected to the V2X antenna unit 11, the baseband unit 13 is connected to the radio frequency unit 12, and the power supply unit 14 is connected to the radio frequency unit 12 and the baseband unit 13.
  • the power supply unit 14 is used to supply power to the radio frequency unit 12 and the baseband unit 13.
  • the V2X antenna unit 11 in the tracker 100 receives the signal from the roadside unit. 200 and/or the vehicle-mounted unit 300.
  • the V2X antenna unit 11 receives the communication handshake information sent by the roadside unit 200 and/or the vehicle-mounted unit 300.
  • the first information for example, the road information includes: the location of nearby vehicles, vehicle speed, vehicle traveling direction and road surface conditions.
  • the radio frequency unit 12 performs a primary demodulation on the road information obtained by the V2X antenna unit 11 to obtain a second signal, and sends the second signal to the baseband unit 13; the baseband unit 13 performs a secondary demodulation according to the second signal to obtain the road information, and Safety tips based on road information.
  • the tracker 100 may also include a prompt unit 15.
  • the prompt unit 15 is connected to the baseband unit 13.
  • the prompt unit 15 is also connected to the power supply unit 14.
  • the power supply unit 14 supplies power to the prompt unit 15.
  • the prompt unit 15 includes at least one of a sound device and a vibration device, and outputs safety prompts through the sound device and/or the vibration device.
  • the baseband unit 13 controls the sound device to emit a sound prompt
  • the baseband unit 13 controls the vibration device to emit a vibration prompt to This reminds users to avoid risks.
  • the sound device may be a buzzer, and the vibration device may be a vibration motor.
  • the tracker 100 may also include a communication unit 16.
  • the communication unit 16 is connected to the baseband unit 13 and the power supply unit 14.
  • the power supply unit 14 supplies power to the communication unit 16.
  • the baseband unit 13 transmits the road information. Sent to the communication unit 16, the road information is sent to the user's mobile terminal through the communication unit 16.
  • the user's mobile terminal responds to the security information and outputs a security prompt.
  • the mobile terminal can also visually display road information to help users obtain more road information and better avoid road risks.
  • the communication unit 16 may include a Bluetooth unit and/or a WiFi unit, so that the tracker 100 may establish communication with the mobile terminal through the Bluetooth unit or WiFi unit.
  • users include electronic devices such as mobile phones, tablets, personal digital assistants, and wearable devices.
  • the present disclosure provides a tracker 100 that can parse the road information provided by the Internet of Vehicles system and issue safety prompts to the user based on the road information to remind the user to pay attention to possible traffic risks on the road, thereby helping Users proactively avoid risks, thereby reducing the probability of traffic accidents.
  • the power supply unit 14 may specifically include a battery management unit 141, a battery unit 142, a charging interface 143, a first conversion unit 144 and a second conversion unit 145.
  • the battery unit 142 is connected to a battery management unit 141.
  • the battery management unit 141 is used to control charge and discharge of the battery unit 142.
  • the battery management unit 141 includes a battery control chip and a plurality of switch circuits for controlling charge and discharge.
  • the charging interface 143 is connected to the battery management unit 141 , the first end of the first conversion unit 144 is connected to the battery management unit 141 , the second end of the first conversion unit 144 is connected to the radio frequency unit 12 , and the battery management unit 141 is also connected to the baseband unit 13 connection to power the radio frequency unit 12 and the baseband unit 13 respectively.
  • the charging interface 143 when the charging interface 143 is connected to a charging power source, the battery unit 142 is charged by the charging power source and each unit in the tracker 100 is powered, and the battery management unit 141 is responsible for completing power adaptation.
  • the charging interface 143 includes a USB interface and a Typc interface.
  • the first conversion unit 144 is a boost circuit
  • the second conversion unit 145 is a buck circuit.
  • the first conversion unit 144 is connected to the radio frequency unit 12 and boosts the voltage of the battery unit 142 to meet the power demand of the radio frequency unit 12 for modulating signals that can be transmitted.
  • the intensity of the signal transmitted by the V2X antenna 11 can be increased to obtain a longer communication distance, thereby achieving a larger early warning range.
  • the power supply unit 14 further includes a power display unit 146 , and the power display unit 146 is connected to the battery management unit 141 .
  • the power display unit 146 may be a breathing lamp or an electronic display screen, such as an LCD display screen.
  • the power display unit 146 is used to display the remaining power of the battery unit 142, the working status of the power supply unit 14, and the charging status of the battery unit 142.
  • each unit that requires power in the tracker 100 is connected to the battery management unit 141, and the power of the battery unit 142 is obtained through the battery management unit 141.
  • the tracker 100 includes a positioning unit 17.
  • the positioning unit 17 is connected to the baseband unit 13.
  • the positioning unit 17 is also connected to the power supply unit 14.
  • the power supply unit 14 supplies power to the positioning unit 17.
  • the positioning unit 17 17. Obtain the user's positioning information based on satellite navigation and positioning systems such as GPS or Beidou.
  • the positioning information includes the user's current location, and send the positioning information to the baseband unit 13.
  • the tracker 100 may also actively search for roadside units 200 and/or vehicle-mounted units 300 near the user's current location.
  • the tracker 100 includes a motion unit 18 .
  • the motion unit 18 is connected to the baseband unit 13 and the power supply unit 14 .
  • the power supply unit 14 supplies power to the motion unit 18 .
  • the motion unit 18 is used to obtain the user's motion information, such as motion direction and motion speed, and send the motion information to the baseband unit 13 .
  • the baseband unit 13 can perform comprehensive calculations based on positioning information, motion information and second information to obtain more accurate and comprehensive safety information to improve the accuracy of safety prompts.
  • the tracker 100 includes a security unit 19.
  • the security unit 19 is connected to the baseband unit 13.
  • the security unit 19 is also connected to the power supply unit 14.
  • the power supply unit 14 supplies power to the security unit 19.
  • the security unit 19 19 can be a hardware encryption chip.
  • the security unit 19 sends decoded information and encryption information to the baseband unit 13, and the decoded information is used to demodulate the second information and communication handshake information.
  • the tracker 100 provided by the present disclosure can obtain the user's current location and movement information through the positioning unit 17 and the movement unit 18, in order to protect the user's information security, only when the security unit 19 confirms that the received communication handshake information includes the preset Only when the encrypted signature is connected to the Internet of Vehicles system does it ensure that it can only communicate with supporting Internet of Vehicles devices, thereby improving information security.
  • the tracker 100 can also send user information to the Internet of Vehicles system.
  • the security unit 19 sends encrypted information to the baseband unit 13, and the baseband unit 13 analyzes the user's positioning information and data based on the encrypted information.
  • the motion information is encrypted and organized into a third signal in a standard format, and the third signal is sent to the radio frequency unit 12.
  • the radio frequency unit 12 modulates the third signal to obtain a fourth signal, and sends the fourth signal to the V2X antenna unit through the V2X antenna unit.
  • Internet of Vehicles System In this way, the safety of the signal during transmission is ensured, and the vehicles in the Internet of Vehicles system can also be prompted to pay attention to avoid pedestrians.
  • the present disclosure provides a tracker 100.
  • the tracker 100 includes: V2X antenna unit 11, radio frequency unit 12, baseband unit 13, power supply unit 14, prompt unit 15, communication unit 16 , positioning unit 17, movement unit 18 and safety unit 19.
  • the power supply unit 14 includes a battery management unit 141, a battery unit 142, a charging interface 143, a first conversion unit 144 and a second conversion unit 145.
  • the battery unit 142 is connected to the battery management unit 141
  • the battery management unit 141 is connected to the baseband unit 13 and the prompting unit 15.
  • the battery unit 142 supplies power to the baseband unit 13 and the prompting unit 15 through the battery management unit 141.
  • the first conversion unit 144 is connected to the battery management unit 141 , and the first conversion unit 144 is connected to the radio frequency unit 12 .
  • the battery unit 142 boosts the voltage through the first conversion unit 144 and supplies power to the radio frequency unit 12 .
  • the second conversion unit 145 is connected to the battery management unit 141 .
  • the second conversion unit 145 is also connected to the communication unit 16 , the positioning unit 17 , the motion unit 18 , and the safety unit 19 .
  • the battery unit 142 is depressurized by the second conversion unit 145 and then used for communication. Unit 16, positioning unit 17, movement unit 18 and safety unit 19 are powered.
  • the transmitting antennas of the positioning unit 17 and the communication unit 16 may be the V2X antenna unit 11 or other independent antenna units.
  • the tracker 100 includes a housing 101 and a circuit board 102.
  • the prompt unit 15 is provided on the housing 101, and the other circuit units are provided on the circuit board. 102, the circuit board 102 is installed inside the housing 101.
  • the tracker 100 is small in size and easy to carry.
  • the tracker of the present disclosure at least includes: a V2X antenna unit, a radio frequency unit, a baseband unit and a power supply unit; the radio frequency unit is connected to the V2X antenna unit; the baseband unit is connected to the radio frequency unit; the power supply unit is connected to the radio frequency unit and the baseband unit, and the configuration Provides power to the radio frequency unit and baseband unit.
  • the V2X antenna unit acquires the first signal sent by the roadside unit and/or the vehicle-mounted unit; the radio frequency unit demodulates the first signal to obtain the second signal, and transmits the second signal
  • the signal is sent to the baseband unit; the baseband unit obtains road information based on the second signal, and provides safety prompts based on the road information.
  • road information can be provided to users to help them proactively avoid road risks, thereby reducing the incidence of traffic accidents.
  • This disclosure proposes a tracker that provides road information for pedestrians to help them actively avoid road risks, thereby reducing the incidence of traffic accidents and protecting the lives and health of pedestrians.
  • the present disclosure proposes a tracker, which includes: a V2X antenna unit; a radio frequency unit, which is connected to the V2X antenna unit; a baseband unit, which is connected to the radio frequency unit; and a power supply unit, which is connected to the radio frequency unit and the baseband unit.
  • the V2X antenna unit obtains the first signal sent by the roadside unit and/or the vehicle-mounted unit; the radio frequency unit A signal is demodulated to obtain a second signal, and the second signal is sent to the baseband unit; the baseband unit obtains road information based on the second signal, and provides safety prompts based on the road information.
  • the tracker allows pedestrians Carry it with you to provide pedestrians with more road information to help them proactively avoid road risks.
  • the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may consist of several physical components. Components execute cooperatively. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, a digital signal characteristic electrical signal processor, or a microprocessor, or as hardware, or as an integrated circuit, such as ASIC. Such software may be distributed on computer-readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media).
  • computer storage media includes volatile and nonvolatile media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. removable, removable and non-removable media.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disk (DVD) or other optical disk storage, magnetic cassettes, tapes, disk storage or other magnetic storage devices, or may Any other medium used to store the desired information and that can be accessed by a computer.
  • communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media .

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)

Abstract

本公开提供了一种追踪器，涉及移动通信技术领域，该追踪器应用于车联网系统，追踪器包括：V2X天线单元；射频单元，射频单元与V2X天线单元连接；基带单元，基带单元与射频单元连接；供电单元，供电单元与射频单元、基带单元连接，用于给射频单元和基带单元供电；其中，在追踪器进入车联网系统的信号传输范围内时，V2X天线单元获取路侧单元和/或车载单元发送的第一信号；射频单元对第一信号进行解调得到第二信号，并将第二信号发送至基带单元；基带单元根据第二信号得到道路信息，并根据道路信息进行安全提示。

Description

追踪器
相关申请的交叉引用
本公开要求享有2022年08月11日提交的名称为“追踪器”的中国专利申请CN202222120843.8的优先权，其全部内容通过引用并入本公开中。
技术领域
本公开涉及移动通信技术领域，尤其涉及一种追踪器。
背景技术
目前，道路交通事故的数量逐年爬升，为了减少道路交通事故，提供事故预警的车联网(Vehicle to Everything，简称V2X)技术得到了重视和发展，因此，越来越多的道路信息能够实时提供给安装了V2X设备的车辆和驾驶员。目前的V2X技术通常只收集行人的定位信息，以帮助车辆规避行人，但是由于超速、酒驾或疲劳驾驶等人为原因的事故占比越来越高，因此提醒行人主动风险规避是十分必要的。本领域存在难以提醒行人进行风险规避的技术问题。
发明内容
本公开提出一种追踪器，用于解决难以提醒行人进行风险规避的技术问题。
本公开提供了一种追踪器，该追踪器包括：V2X天线单元；射频单元，射频单元与V2X天线单元连接；基带单元，基带单元与射频单元连接；供电单元，供电单元与射频单元、基带单元连接，用于给射频单元和基带单元供电；其中，在追踪器进入车联网系统的信号传输范围内时，V2X天线单元获取路侧单元和/或车载单元发送的第一信号；射频单元对第一信号进行解调得到第二信号，并将第二信号发送至基带单元；基带单元根据第二信号得到道路信息，并根据道路信息进行安全提示。
附图说明
图1是本公开提供的一种追踪器的应用场景图；
图2是本公开提供的一种追踪器的示意性框图；
图3是本公开提供的一种追踪器的示意性框图；
图4是本公开提供的一种追踪器的示意性框图；
图5是本公开提供的一种追踪器的示意性框图；
图6是本公开提供的一种供电单元的示意性框图；
图7是本公开提供的一种追踪器的示意性框图；
图8是本公开提供的一种追踪器的示意性框图；
图9是本公开提供的一种追踪器的示意性框图；
图10是本公开提供的一种追踪器的示意性框图；
图11是本公开提供的一种追踪器的结构示意图。
附图标记说明：
100、追踪器；101、壳体；102、电路板；200、路侧单元；300、车载单元；11、V2X天线单元；12、射频单元；13、基带单元；14、供电单元；141、电池管理单元；142、电池单元；143、充电接口；144、第一转换单元；145、第二转换单元；146、示电单元；15、提示单元；16、通信单元；17、定位单元；18、运动单元；19、安全单元。
具体实施方式
下面将结合本公开中的附图，对本公开中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本公开的一部分实施例，而不是全部的实施例,基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
为了便于理解本公开，下面将参照相关附图对本公开进行更全面的描述。附图中给出了本公开的若干实施例。但是，本公开可以以许多不同的形式来实现，并不限于本文所描述的实施例。相反地，提供这些实施例的目的是使对本公开的公开内容更加透彻全面。
需要说明的是，当元件被称为“固设于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的。
除非另有定义，本文所使用的所有的技术和科学术语与属于本公开的技术领域的技术人员通常理解的含义相同。本文中在本公开的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本公开。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。
下面结合具体的实施例，详细介绍本公开提供的追踪器。
如图1所示，本公开提供的追踪器100应用于车联网系统中，车联网系统中包括路侧单元(Road Side Unit，简称RSU)200和车载单元(On board Unit，简称OBU)300，当追踪器100进入车联网系统的信号传输范围内时，追踪器100能够和路侧单元200、车载单元300完成通信握手。本公开的追踪器能够与车联网系统中的路侧单元和车载单元进行通信并获取道路信息，利用基带模块，根据用户信息和道路信息生成安全信息，并根据安全信息向用户发出安全提醒。该追踪器能够让行人随身携带，以向行人提供更多的道路信息，以帮助行人主动规避道路风险。
需要说明的是，本公开主要应用于为行人提供道路风险提示，也可以应用于为驾驶员提供道路风险提示。
如图2所示，本公开提供了一种追踪器100，追踪器100包括：V2X天线单元11、射频单元12、基带单元13、供电单元14。
其中，射频单元12与V2X天线单元11连接，基带单元13与射频单元12连接，供电单元14与射频单元12、基带单元13连接，供电单元14用于给射频单元12和基带单元13供电。在追踪器100进入车联网系统的信号传输范围内时，V2X天线单元11获取路侧单元200和/或车载单元300发送的第一信号；射频单元12对第一信号进行解调得到第二信号，并将第二信号发送至基带单元13；基带单元13根据第二信号得到道路信息，并根据道路信息进行安全提示。
示例性，如图1和图2所示，用户(行人)携带追踪器100进入路侧单元200或车载单元300的信号传输范围内时，追踪器100内的V2X天线单元11接收到路侧单元200和/或车载单元300发送的通信握手的信息，追踪器100与路侧单元200和/或车载单元300完成通信握手后，V2X天线单元11接收路侧单元200和/或车载单元300发送的第一信息，例如，该道路信息包括：附近车辆的位置、车辆的车速、车辆行驶方向和路面状况。射频单元12对V2X天线单元11获取到的道路信息进行一次解调得到第二信号，并将第二信号发送至基带单元13；基带单元13根据第二信号进行二次解调得到道路信息，并根据道路信息进行安全提示。
在一些实施例中，如图3所示，追踪器100还可以包括提示单元15，提示单元15与基带单元13连接，提示单元15还与供电单元14连接，供电单元14向提示单元15供电，提示单元15包括声音器件和振动器件中至少一项，并通过声音器件和/或振动器件输出安全提示，例如，基带单元13控制声音器件发出声音提示，基带单元13控制振动器件发出振动提示，以此提醒用户规避风险。其中声音器件可以是蜂鸣器，振动器件可以是振动电机。
在一些实施例中，如图4所示，追踪器100还可以包括通信单元16，通信单元16与基带单元13、供电单元14连接，供电单元14给通信单元16供电，基带单元13将道路信息发送至通信单元16，通过通信单元16将道路信息发送至用户的移动终端。用户的移动终端响应该安全信息，输出安全提示。该移动终端还能够对道路信息进行可视化展示，以帮助用户获得更多的道路信息，从而更好地规避道路风险。
在一些实施例中，通信单元16可以包括蓝牙单元和/或WiFi单元，使得追踪器100可以通过蓝牙单元或WiFi单元，与移动终端建立通信。
需要说明的是，用户的移动终端包括：手机、平板电脑、个人数字助理和穿戴式设备等电子设备。
本公开提供了一种追踪器100，该追踪器100能够解析得到车联网系统提供的道路信息，并基于该道路信息向用户发出安全提示，以提示用户注意道路上可能存在的交通风险，从而帮助用户主动规避风险，从而减少交通事故的发送概率。
在一些实施例中，如图5所示，供电单元14具体可以包括电池管理单元141、电池单元142、充电接口143、第一转换单元144和第二转换单元145。电池单元142和电池管理单元141连接，电池管理单元141用于控制电池单元142的充放电，电池管理单元141包括电池控制芯片和多个控制充放电的开关电路。充电接口143与电池管理单元141连接，第一转换单元144的第一端与电池管理单元141连接，第一转换单元144的第二端与射频单元12连接，电池管理单元141还与基带单元13连接，分别给射频单元12和基带单元13供电。
在一些实施例中，当充电接口143连接充电电源时，通过充电电源对电池单元142充电和对追踪器100中的各个单元供电，电池管理单元141负责完成电能适配。充电接口143包括USB接口和Typc接口。
在一些实施例中，第一转换单元144为升压电路，第二转换单元145为降压电路。第一转换单元144与射频单元12连接，通过对电池单元142的电压进行升压，以满足射频单元12调制可发射信号的用电需求。通过升压电路给射频单元12提供电能，能够提高V2X天线11发射信号的强度，以获得更远的通信距离，从而实现更大的预警范围。
在一些实施例中，如图6所示，供电单元14还包括示电单元146，示电单元146与电池管理单元141连接。示电单元146可以是呼吸灯，还可以是电子显示屏，例如LCD显示屏。示电单元146用于展示电池单元142的剩余电量，还用于展示供电单元14的工作状态，还用于展示电池单元142的充电情况。
需要说明的是，若无特殊说明，追踪器100中各个需要用电的单元都与电池管理单元141连接，通过电池管理单元141获取电池单元142的电能。
在一些实施例中，如图7所示，追踪器100包括定位单元17，定位单元17与基带单元13连接，定位单元17还与供电单元14连接，供电单元14给定位单元17供电，定位单元17基于GPS或北斗等卫星导航定位系统获取用户的定位信息，该定位信息包括用户的当前位置，并将定位信息发送给基带单元13。
在本公开中，追踪器100也可以主动搜索用户的当前位置附近的路侧单元200和/或车载单元300。
在一些实施例中，如图8所示，追踪器100包括运动单元18，运动单元18与基带单元13、供电单元14连接，供电单元14给运动单元18供电。运动单元18用于获取用户的运动信息，例如，运动方向和运动速度，并将该运动信息发送至基带单元13。
基带单元13可以根据定位信息、运动信息和第二信息进行综合计算，以获取更准确和更全面的安全信息，以提高安全提示的准确性。
在一些实施例中，如图9所示，追踪器100包括安全单元19，安全单元19与基带单元13连接，安全单元19还与供电单元14连接，供电单元14给安全单元19供电，安全单元19可以是硬件加密芯片。安全单元19给基带单元13发送解码信息和加密信息，该解码信息用于解调第二信息和通信握手信息。
由于本公开提供的追踪器100能够通过定位单元17和运动单元18获取用户的当前位置和运动信息，为了保护用户的信息安全，仅当安全单元19确认接收到的通信握手信息中包括预设的加密签名时才接入车联网系统，确保了只和配套的车联网设备进行互相通信，从而提高信息安全。
在本公开中，追踪器100还能够将用户信息发送给车联网系统，在一示例性实施例中，安全单元19向基带单元13发送加密信息，基带单元13根据加密信息对用户的定位信息和运动信息进行加密并整理成标准格式的第三信号，并将第三信号发送给射频单元12，射频单元12对第三信号进行调制得到第四信号，并通过V2X天线单元将第四信号发送给车联网系统。 这样，保证了信号在传输过程中的安全，也可以提示车联网系统中的车辆注意规避行人。
在一些实施例中，如图10所示，本公开提供一种追踪器100，追踪器100包括：V2X天线单元11、射频单元12、基带单元13、供电单元14、提示单元15、通信单元16、定位单元17、运动单元18和安全单元19。供电单元14包括电池管理单元141、电池单元142、充电接口143、第一转换单元144和第二转换单元145。其中，电池单元142与电池管理单元141连接，电池管理单元141与基带单元13、提示单元15连接，电池单元142通过电池管理单元141给基带单元13、提示单元15供电。第一转换单元144与电池管理单元141连接，第一转换单元144与射频单元12连接，电池单元142通过第一转换单元144升压后给射频单元12供电。第二转换单元145与电池管理单元141连接，第二转换单元145还与通信单元16、定位单元17、运动单元18、安全单元19连接，电池单元142通过第二转换单元145降压后给通信单元16、定位单元17、运动单元18和安全单元19供电。
需要说明的是，在本公开中，定位单元17和通信单元16的发射天线可以是V2X天线单元11，也可以是其他的独立的天线单元。
在一些实施例中，如图11所示，追踪器100包括壳体101和电路板102，其中，如图10所示提示单元15设置在壳体101上，其他的各个电路单元设置在电路板102上，电路板102安装在壳体101的内部。追踪器100体积小，便于用于携带。
在本公开的追踪器中，至少包括：V2X天线单元、射频单元、基带单元和供电单元；射频单元与V2X天线单元连接；基带单元与射频单元连接；供电单元与射频单元、基带单元连接，配置为给射频单元和基带单元供电。在追踪器进入车联网系统的信号传输范围内时，V2X天线单元获取路侧单元和/或车载单元发送的第一信号；射频单元对第一信号进行解调得到第二信号，并将第二信号发送至基带单元；基带单元根据第二信号得到道路信息，并根据道路信息进行安全提示。这样，能够为用户提供道路信息，以帮助用户主动规避道路风险，从而降低交通事故发生率。
本公开提出了一种追踪器，为行人提供道路信息，以帮助行人主动规避道路风险，从而降低交通事故发生率，保障行人的生命健康。本公开提出了一种追踪器，该追踪器包括：V2X天线单元；射频单元，射频单元与V2X天线单元连接；基带单元，基带单元与射频单元连接；供电单元，供电单元与射频单元、基带单元连接，用于给射频单元和基带单元供电；其中，在追踪器进入车联网系统的信号传输范围内时，V2X天线单元获取路侧单元和/或车载单元发送的第一信号；射频单元对第一信号进行解调得到第二信号，并将第二信号发送至基带单元；基带单元根据第二信号得到道路信息，并根据道路信息进行安全提示。该追踪器能够让行人 随身携带，以向行人提供更多的道路信息，以帮助行人主动规避道路风险。
本领域普通技术人员可以理解，上文中所公开方法中的全部或某些步骤、系统、设备中的功能模块/单元可以被实施为软件、固件、硬件及其适当的组合。
在硬件实施方式中，在以上描述中提及的功能模块/单元之间的划分不一定对应于物理组件的划分；例如，一个物理组件可以具有多个功能，或者一个功能或步骤可以由若干物理组件合作执行。某些物理组件或所有物理组件可以被实施为由处理器，如中央处理器、数字信号特征电信号处理器或微处理器执行的软件，或者被实施为硬件，或者被实施为集成电路，如专用集成电路。这样的软件可以分布在计算机可读介质上，计算机可读介质可以包括计算机存储介质(或非暂时性介质)和通信介质(或暂时性介质)。如本领域普通技术人员公知的，术语计算机存储介质包括在用于存储信息(诸如计算机可读指令、数据结构、程序模块或其他数据)的任何方法或技术中实施的易失性和非易失性、可移除和不可移除介质。计算机存储介质包括但不限于RAM、ROM、EEPROM、闪存或其他存储器技术、CD-ROM、数字多功能盘(DVD)或其他光盘存储、磁盒、磁带、磁盘存储或其他磁存储装置、或者可以用于存储期望的信息并且可以被计算机访问的任何其他的介质。此外，本领域普通技术人员公知的是，通信介质通常包含计算机可读指令、数据结构、程序模块或者诸如载波或其他传输机制之类的调制数据信号中的其他数据，并且可包括任何信息递送介质。
以上参照附图说明了本公开的优选实施例，并非因此局限本公开的权利范围。本领域技术人员不脱离本公开的范围和实质内所作的任何修改、等同替换和改进，均应在本公开的权利范围之内。

Claims (10)

  1. 一种追踪器，所述追踪器应用于车联网系统，所述追踪器包括：
    V2X天线单元；
    射频单元，所述射频单元与所述V2X天线单元连接；
    基带单元，所述基带单元与所述射频单元连接；
    供电单元，所述供电单元与所述射频单元、所述基带单元连接，用于给所述射频单元和基带单元供电；
    其中，在所述追踪器进入所述车联网系统的信号传输范围内时，所述V2X天线单元获取所述路侧单元和/或所述车载单元发送的第一信号；所述射频单元对所述第一信号进行解调得到第二信号，并将所述第二信号发送至所述基带单元；所述基带单元根据所述第二信号得到道路信息，并根据所述道路信息进行安全提示。
  2. 如权利要求1所述的追踪器，其中，所述供电单元包括：
    电池管理单元；
    电池单元，所述电池单元与所述电池管理单元连接，所述电池管理单元用于控制所述电池单元的充放电；
    充电接口，所述充电接口与所述电池管理单元连接，用于对所述电池单元进行充电；
    第一转换单元，所述第一转换单元的第一端与所述电池管理单元连接，所述第一转换单元的第二端与所述射频单元连接，所述电池管理单元还与所述基带单元连接，分别给所述射频单元和所述基带单元供电。
  3. 如权利要求2所述的追踪器，其中，所述追踪器还包括：
    通信单元，所述通信单元与所述基带单元、所述供电单元连接，所述基带单元将所述道路信息发送至所述通信单元，发送给用户的移动终端。
  4. 如权利要求3所述的追踪器，其中，所述通信单元包括蓝牙单元和/或WiFi单元。
  5. 如权利要求4所述的追踪器，其中，所述供电单元还包括第二转换单元，所述第二转换单元与所述电池管理单元连接，所述第二转换单元还与所述通信电路连接，所述第二转换单元用于给所述通信电路供电。
  6. 如权利要求4所述的追踪器，其中，所述第一转换单元为升压电路，所述第二转换单元为降压电路。
  7. 如权利要求1所述的追踪器，其中，所述追踪器还包括定位单元，所述定位单元与所述基带单元连接，所述定位单元还与所述供电单元连接，所述定位单元用于获取用户的定位信息，并将所述定位信息发送至所述基带单元。
  8. 如权利要求1所述的追踪器，其中，所述追踪器还包括安全单元，所述安全单元与所述基带单元连接，所述安全单元给所述基带单元发送解码信息，所述解码信息用于解调所述第二信息。
  9. 如权利要求1所述的追踪器，其中，所述追踪器还包括运动单元，所述运动单元与所述基带单元连接，所述运动单元用于获取用户的运动信息，并将所述运动信息发送至所述基带单元。
  10. 如权利要求1所述的追踪器，其中，所述追踪器包括：
    提示单元，所述提示单元与所述基带单元连接，所述基带单元控制所述提示单元进行安全提示；其中，所述提示单元包括声音器件和振动器件中至少一项。
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