GNSS signal sharing system for vehicle

Abstract

The invention relates to a GNSS signal sharing system for a vehicle. A global navigation satellite system (GNSS) signal sharing system of a vehicle includes a GNSS antenna disposed in the vehicle. The GNSS antenna is configured to receive a GNSS signal. The GNSS signal sharing system also includes a distributor configured to receive the GNSS signal from the GNSS antenna and to branch the GNSS signal. The GNSS signal sharing system additionally includes a plurality of GNSS receivers configured to receive the GNSS signals branched by the distributor. The GNSS antenna, the distributor, and a first GNSS receiver of the plurality of GNSS receivers are included in the emergency call device. A second GNSS receiver of the plurality of GNSS receivers is included in a device configured to utilize the GNSS signal, where the device configured to utilize the GNSS signal is disposed in the vehicle.

Description

[0001] Cross - reference to related applications

[0002] This application claims the benefit of priority of Korean Patent Application No. 10 - 2023 - 0185786, filed on December 19, 2023, the entire disclosure of which is incorporated herein by reference. Technical field

[0003] This application relates to a global navigation satellite system (GNSS) signal sharing system for vehicles. More specifically, this application relates to a system for effectively sharing GNSS signals between devices that utilize GNSS signals in a vehicle. Background art

[0004] The content described in this section merely provides background information related to the present application and does not necessarily constitute related art.

[0005] Recently, it has been found that an emergency call system (also known as an "eCall system") in a vehicle is very helpful in saving lives in the event of a traffic accident. Mainly in the European Union (EU), all types of passenger vehicles and light commercial vehicles are required to be equipped with an emergency call system by law. The emergency call system is a device installed in a vehicle that can automatically request rescue in the event of a traffic accident. Specifically, when a traffic accident is detected due to, for example, the activation of an airbag, the accident is automatically reported and traffic accident information including the accident location, vehicle type, driving direction, fuel type, etc. is sent to a rescue center via a subscriber identity module (SIM) card installed in the vehicle.

[0006] The emergency call system receives location information through a global navigation satellite system (GNSS) antenna. The emergency call system is powered by a battery.

[0007] In addition, with the continuous development of technologies related to autonomous driving and advanced driver assistance systems (ADAS), high - precision positioning technology for vehicles is required. Therefore, a GNSS receiver, which is one of the main sensor systems, plays an important role in determining the exact position of a vehicle by combining an inertial measurement unit (IMU), an inertial navigation system (INS), and real - time kinematic positioning technology (RTK).

[0008] Figure 4 A GNSS signal system of a vehicle according to the related art is shown.

[0009] Refer to Figure 4, the number of devices for precise positioning using GNSS signals in vehicle 1 has increased, and representative examples thereof include an eCall system, a navigation system, and an autonomous driving controller. Since these devices respectively include GNSS antennas 11, 12, and 13 and GNSS receivers 21, 22, and 23, there is a problem of low efficiency (for example, the cost of building a GNSS signal system in the vehicle increases). Summary of the Invention

[0010] Embodiments of the present application provide a design for effectively distributing Global Navigation Satellite System (GNSS) signals to devices that utilize GNSS signals in a vehicle.

[0011] In addition, embodiments of the present application provide a GNSS signal sharing system for a vehicle that can reduce the number of antennas.

[0012] The problems to be solved by the present application are not limited to the problems mentioned above. Through the following description, those of ordinary skill in the art can clearly understand other problems not mentioned herein.

[0013] According to one aspect, there is provided a Global Navigation Satellite System (GNSS) signal sharing system for a vehicle. The GNSS signal sharing system includes a GNSS antenna disposed in the vehicle. The GNSS antenna is configured to receive GNSS signals. The GNSS signal sharing system further includes a distributor configured to i) receive GNSS signals from the antenna and ii) branch the GNSS signals. The GNSS signal sharing system additionally includes a plurality of GNSS receivers configured to receive the GNSS signals branched by the distributor. The GNSS antenna, the distributor, and a first GNSS receiver among the plurality of GNSS receivers are included in an emergency call device. A second GNSS receiver among the plurality of GNSS receivers is included in a device configured to utilize GNSS signals, wherein the device configured to utilize GNSS signals is disposed in the vehicle.

[0014] According to an aspect of the present application, the GNSS signal sharing system for a vehicle can effectively transmit GNSS signals to a plurality of devices that utilize GNSS signals within an authentication range to accurately measure the position of the vehicle.

[0015] According to an aspect of the present application, compared with a system in which a plurality of devices that utilize GNSS signals in a vehicle include corresponding GNSS antennas, the GNSS signal sharing system for a vehicle can reduce the number of GNSS antennas provided in the vehicle.

[0016] The effects provided by the embodiments of the present application are not limited to the effects mentioned above. Through the following description, those of ordinary skill in the art can clearly understand other effects not mentioned herein. Brief Description of the Drawings

[0017] Figure 1 It is a block diagram of a GNSS signal sharing system for a vehicle according to an embodiment of the present application.

[0018] Figure 2 It is a block diagram of a GNSS signal sharing system for a vehicle according to another embodiment of the present application.

[0019] Figure 3 It is a block diagram of a GNSS signal sharing system for a vehicle according to still another embodiment of the present application.

[0020] Figure 4 It shows a GNSS signal system for a vehicle according to the related art. Detailed Embodiments

[0021] Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings. In the accompanying drawings, even if elements are shown in different drawings, the same reference numerals denote the same elements. In addition, in the following description, if a detailed description of a related known component or function is determined to obscure the gist of the present application, its detailed description is omitted for the purpose of clarity and conciseness.

[0022] Various ordinal numbers or letter codes such as first, second, i), ii), a), b), etc. are only used as prefixes to distinguish one component from another, and do not indicate or imply the essence, order or sequence of the components. Throughout the specification, terms such as "comprising" or "including" are intended to indicate the presence of the recited components. Unless otherwise clearly stated, these terms do not exclude the presence or addition of other components.

[0023] Terms such as "unit", "module", "device", "controller", etc. in the specification refer to a unit that processes at least one function or operation, and can be implemented in hardware, software, or a combination of hardware and software. The operation of the functions described in the form disclosed herein can be directly embodied in a hardware or software module executed by a processor, or in a combination thereof.

[0024] When components, devices, elements, etc. of the present application are described as having a purpose or performing an operation, function, etc., the components, devices, or elements should be regarded as "configured to" meet the purpose or perform the operation or function herein.

[0025] The following description presented in conjunction with the accompanying drawings is intended to describe embodiments of the present application. This description is not intended to represent the only embodiment in which the technical idea of the present application can be practiced.

[0026] Figure 1It is a block diagram of a global navigation satellite system (GNSS) signal sharing system for a vehicle according to an embodiment of the present application.

[0027] Referring to Figure 1 , the GNSS signal sharing system for a vehicle according to an embodiment of the present application is a device that utilizes global navigation satellite system (GNSS) signals within a vehicle. The GNSS signal sharing system includes an emergency call device 110, an autonomous driving control device 120, and a navigation device 130. The GNSS signal sharing system further includes a single GNSS antenna 111, a distributor 113, and multiple GNSS receivers 115 and 121. The first GNSS receiver 115 among the single GNSS antenna 111, the distributor 113, and the multiple GNSS receivers 115 and 121 is included in the emergency call device 110 to meet the authentication range.

[0028] The emergency call device 110 is installed in the vehicle. When it detects that an accident has occurred, the emergency call device 110 generates accident information including the location information of the vehicle, reports the occurrence of the accident to the accident handling agency through the mobile communication network, and sends the accident information. Here, the accident handling agency includes the police station, the fire department, the hospital, the insurance company, the towing company, etc.

[0029] The emergency call device 110 can generate vehicle location information (which is an example of accident information) based on determining that an accident has occurred. In this case, the emergency call device 110 utilizes GNSS signals to generate the location information of the vehicle.

[0030] Therefore, when the vehicle is in motion, the emergency call device 110 does not always utilize GNSS signals. Instead, when an event occurs, that is, when it is determined that an accident has occurred, the emergency call device 110 utilizes GNSS signals. However, in view of the important role played by the emergency call device in reducing the degree of casualties related to accident handling, it is desirable for the emergency call device 110 to be configured to independently receive GNSS signals rather than receive GNSS signals through another device.

[0031] In an embodiment, the emergency call device 110 includes a single GNSS antenna 111, a distributor 113, and a first GNSS receiver 115, and further includes a backup battery (BUB). In addition, although Figure 1 not shown in

[0032] The GNSS signal sharing system of a vehicle according to an embodiment includes a single GNSS antenna 111. The single GNSS antenna 111 is configured to receive GNSS signals from GNSS satellites 10. In the embodiment, the single GNSS antenna 111 is an antenna that has been evaluated to have high performance. This can ensure that multiple devices in the vehicle can utilize the signals received through the single GNSS antenna 111.

[0033] The distributor 113 includes an input terminal and a plurality of output terminals. The input terminal is connected to the GNSS antenna 111. The output terminals are connected to a plurality of GNSS receivers 115 and 121. The distributor 113 distributes the received GNSS signals to a first GNSS receiver 115 on the B side of the distributor 113 and a second GNSS receiver 121 on the A side of the distributor 113.

[0034] In the embodiment, the first GNSS receiver 115 is provided in the emergency call device 110, and the second GNSS receiver 121 is provided in the autonomous driving control device 120 described in more detail below. Therefore, the distributor 113 sends the received GNSS signals to the emergency call device 110 and the autonomous driving control device 120.

[0035] When distributing GNSS signals, the distributor 113 can distribute the GNSS signals to the A side and the B side in an equal power ratio. In another example, the ratio can be different according to the function of the device receiving the GNSS signal (and the GNSS signal utilization conditions, etc.).

[0036] In the embodiment, the distributor 113 ensures that the intensity of the GNSS signal sent to the first GNSS receiver 115 is less than or equal to the intensity of the GNSS signal sent to the second GNSS receiver 121. This can reflect the differences in the conditions and frequencies of using GNSS signals in the operations of the emergency call device 110 and the autonomous driving control device 120.

[0037] In the embodiment, the emergency call device 110 is equipped with a backup power source of a backup battery (BUB). In the embodiment, since the emergency call device 110 has a built-in backup battery, even if the power supply from the main battery or the auxiliary battery installed in the vehicle is cut off during a collision, the power from the backup battery can be utilized to process GNSS signals. Therefore, accident information can be sent to the accident handling agency.

[0038] The autonomous driving control device 120 can implement at least one advanced driver assistance system (ADAS) function. The ADAS can implement at least one of adaptive cruise control (ACC), automatic emergency braking (AEB), forward collision warning (FCW), lane keeping assist (LKA), lane change assist (LCA), target tracking assist (TFA), blind spot monitoring (BSD), high beam assist (HBA), automatic parking system (APS), PD collision warning system, traffic sign recognition (TSR), traffic sign assist (TSA), night vision (NV) system, driver status monitoring (DSM), and / or traffic jam assist (TJA).

[0039] The autonomous driving control device 120 generates position information indicating the absolute position of the vehicle based on position signals received from the outside to implement at least one ADAS function. The position signals received from the outside can include GNSS signals and / or base station position signals received from the base stations of the mobile communication network.

[0040] The autonomous driving control device 120 generates a driving route based on the position information generated when the driver inputs a destination through the user interface. The generated driving route can include a driving map mapped to the generated position information.

[0041] As described above, the autonomous driving control device 120 can include a second GNSS receiver 121 that receives GNSS signals. The second GNSS receiver 121 can send the GNSS signals received from the distributor 113 to at least one micro control unit (MCU) 123. The autonomous driving control device 120 includes at least one MCU that executes at least one ADAS function. The at least one MCU can be connected via a vehicle network. For example, the at least one MCU can be connected via a controller area network (CAN) bus. Although one MCU is shown in Figure 1 for simplicity, the autonomous driving control device 120 can include multiple MCUs according to its functions.

[0042] The MCU 123 uses the GNSS signals to generate vehicle position information and / or driving map information. The information generated by the MCU 123 can be sent to other devices. When such a transmission is performed through an Ethernet connection, the autonomous driving control device 120 can further include an Ethernet transceiver 125. In the shown embodiment, the autonomous driving control device 120 sends the generated information (e.g., vehicle position information and / or driving map information) to the navigation device 130 through an Ethernet connection.

[0043] The navigation device 130 is installed in a vehicle and provides a driving route for the vehicle based on the current position information of the vehicle and the destination information set by the driver. The navigation device 130 may include an Ethernet transceiver 131 that receives vehicle position information and / or a driving map information through an Ethernet connection with the autonomous driving control device 120. The navigation device 130 may further include an MCU 133 that processes the received information and outputs it. In addition, when the navigation device 130 transmits and receives information with the autonomous driving control device 120 through an Ethernet connection, the navigation device 130 may optionally further include a gateway 140.

[0044] In an embodiment, a GNSS signal sharing system of a vehicle includes an emergency call device 110, an autonomous driving control device 120, and a navigation device 130 as devices that utilize GNSS signals. The system is configured such that a single GNSS antenna 111 and a distributor 113 are included in the emergency call device 110. The single GNSS antenna 111 is used to receive GNSS signals, and the distributor 113 is used to distribute the GNSS signals to each of the above devices. Therefore, the emergency call device 110 is configured to independently receive GNSS signals without relying on other devices. The distributor 113 may be provided externally and may branch the GNSS signals to each device. In another example, as Figure 1 shown, the distributor 113 may be installed inside the device. In terms of cost, it would be advantageous to install the distributor 113 inside the device. The GNSS signal sharing system is configured such that the GNSS signals received through the distributor 113 are respectively provided to the emergency call device 110 and the autonomous driving control device 120.

[0045] In addition, the GNSS signal sharing system is configured such that the autonomous driving control device 120 and the navigation device 130 can communicate with each other. Therefore, the navigation device does not need to directly receive GNSS signals, and the navigation device does not need to be separately equipped with a GNSS receiver. This can generally advantageously reduce the number of GNSS receivers in the vehicle. In addition, when the navigation device 130 receives position information and / or map information from the autonomous driving control device 120, it has the advantage of avoiding duplication of the process of generating position and / or map information. The GNSS signal sharing system of the vehicle enables devices that utilize GNSS signals in the vehicle to effectively share and utilize GNSS signals.

[0046] Figure 2 is a block diagram of a GNSS signal sharing system of a vehicle according to another embodiment of the present application.

[0047] Refer to Figure 2, the GNSS signal sharing system of a vehicle according to another embodiment of the present application is a device that utilizes GNSS signals within the vehicle. The GNSS signal sharing system includes an emergency call device 210, a navigation device 220, and an autonomous driving control device 230. The GNSS signal sharing system includes a single GNSS antenna 211, a distributor 213, and multiple GNSS receivers 215 and 221. The single GNSS antenna 211, the distributor 213, and the first GNSS receiver 215 among the multiple GNSS receivers 215 and 221 are included in the emergency call device 210 to meet the authentication range.

[0048] In Figure 2 the embodiment shown, the emergency call device 210 is the same as the emergency call device 110 described above. The description related to the emergency call device 110 can also be applied to the emergency call device 210. The emergency call device 210 is configured to independently receive GNSS signals.

[0049] The emergency call device 210 includes a single GNSS antenna 211, a distributor 213, and a first GNSS receiver 215. The emergency call device 210 further includes a BUB 217.

[0050] According to Figure 2 the GNSS signal sharing system of a vehicle in the embodiment shown includes a single GNSS antenna 211. The single GNSS antenna 211 is configured to receive GNSS signals from GNSS satellites 10. In the embodiment, the single GNSS antenna 211 is an antenna that has been evaluated to have high performance. This is to ensure that multiple devices 210, 220, and 230 in the vehicle can utilize the signals received by the single GNSS antenna 211.

[0051] The distributor 213 includes an input terminal and multiple output terminals. The input terminal is connected to the GNSS antenna 211. The output terminals are connected to the multiple GNSS receivers 215 and 221. The distributor 213 distributes the received GNSS signals to the first GNSS receiver 215 on the B side of the distributor 213 and the second GNSS receiver 221 on the A side of the distributor 213.

[0052] In Figure 2 the embodiment shown, the first GNSS receiver 215 is provided in the emergency call device 210, and the second GNSS receiver 221 is provided in the navigation device 220 described in more detail below. The distributor 213 sends the received GNSS signals to the emergency call device 210 and the navigation device 220.

[0053] When allocating GNSS signals, the allocator 213 may allocate the GNSS signals to side A and side B in equal power ratios. In another example, this ratio may vary according to the function of the device receiving the GNSS signal (as well as the GNSS signal utilization conditions, etc.).

[0054] In the Figure 2 embodiment shown, the allocator 213 may ensure that the intensity of the GNSS signal sent to the first GNSS receiver 215 is less than or equal to the intensity of the GNSS signal sent to the second GNSS receiver 221. This may reflect the differences in the conditions and frequencies of using the GNSS signal in the operations of the emergency call device 210 and the navigation device 220.

[0055] The navigation device 220 is installed in a vehicle and provides a driving route for the vehicle based on the vehicle's current position information and the destination information set by the driver.

[0056] As described above, the navigation device 220 may include a second GNSS receiver 221 that receives GNSS signals. The second GNSS receiver 221 may send the GNSS signals received from the allocator 213 to the MCU 223. The MCU 223 may use the GNSS signals to generate vehicle position information and / or driving map information. The information generated by the MCU 223 may be sent to other devices. If such sending is performed through an Ethernet connection, the navigation device 220 may further include an Ethernet transceiver 225. In the embodiment shown, the navigation device 220 sends the generated information (e.g., vehicle position information and / or driving map information) to the autonomous driving control device 230 through an Ethernet connection.

[0057] Referring to Figure 1 the autonomous driving control device 120, the autonomous driving control device 230 may implement at least one ADAS function in the same manner as the autonomous driving control device 120 described above.

[0058] The autonomous driving control device 230 includes an Ethernet transceiver 231 that receives vehicle position information and / or driving map information through an Ethernet connection with the navigation device 220. The autonomous driving control device 230 includes at least one MCU 233 that executes at least one ADAS function. The at least one MCU may be connected via a vehicle network. For example, the at least one MCU may be connected via a CAN bus. In addition, when the autonomous driving control device 230 sends and receives information with the navigation device 220 through an Ethernet connection, the autonomous driving control device 230 may optionally further include a gateway 240.

[0059] In Figure 2In the embodiment shown, the GNSS signal sharing system of the vehicle is a device that utilizes GNSS signals and includes an emergency call device 210, a navigation device 220, and an autonomous driving control device 230. The GNSS signal sharing system is configured such that a single GNSS antenna 211 and a distributor 213 are included in the emergency call device 210. The single GNSS antenna 211 is used to receive GNSS signals, and the distributor 213 is used to distribute the GNSS signals to each of the above devices. Therefore, the emergency call device 210 is configured to independently receive GNSS signals without relying on other devices. The distributor 213 can be provided externally and can branch the GNSS signals to each device. In another example, as Figure 2 shown, the distributor 213 is installed inside the device. In terms of cost, it would be advantageous to install the distributor 113 inside the device. The GNSS signal sharing system is configured such that the GNSS signals received through the distributor 213 are respectively sent to the emergency call device 210 and the navigation device 220.

[0060] In addition, the GNSS signal sharing system is configured such that the navigation device 220 and the autonomous driving control device 230 are communicatively connected to each other. Therefore, the autonomous driving control device does not need to directly receive GNSS signals, and the autonomous driving control device does not need to be equipped with a separate GNSS receiver. This can generally advantageously reduce the number of GNSS receivers in the vehicle. In addition, when the autonomous driving control device 230 receives position information and / or map information from the navigation device 220, it has the advantage of avoiding duplication of the process of generating position and / or map information. The GNSS signal sharing system of the vehicle enables devices that utilize GNSS signals in the vehicle to effectively share and utilize GNSS signals. However, when compared with Figure 1 the embodiment of Figure 2 where the autonomous driving control device receives information from the navigation device in the embodiment of Figure 1 the embodiment of

[0061] Figure 3 is a block diagram of a GNSS signal sharing system of a vehicle according to still another embodiment of the present application.

[0062] Referring to Figure 3, the GNSS signal sharing system of a vehicle according to another embodiment of the present application is a device that utilizes GNSS signals within the vehicle. The GNSS signal sharing system includes an autonomous driving control device 310, a navigation device 320, and an emergency call device 330. The GNSS signal sharing system includes a plurality of GNSS antennas 311 and 331, a distributor 313, and a plurality of GNSS receivers 315, 321, and 333. The first GNSS antenna 311 among the plurality of GNSS antennas, the distributor 313, and the first GNSS receiver 315 among the plurality of GNSS receivers are included in the autonomous driving control device 310. The second GNSS antenna 331 among the plurality of GNSS antennas and the third GNSS receiver 333 among the plurality of GNSS receivers 315, 321, and 333 are included in the emergency call device 330 to meet the authentication range.

[0063] According to Figure 3 The GNSS signal sharing system of the vehicle according to the embodiment shown in

[0064] includes a plurality of GNSS antennas 311 and 331. Each of the GNSS antennas 311 and 331 is configured to receive GNSS signals from GNSS satellites 10. The first antenna 311 is included in the autonomous driving control device 310. The second antenna 331 is included in the emergency call device 330. The first antenna 311 and the second antenna 331 may have different performances. The performance of the first antenna 311 may be higher than the performance of the second antenna 331. This can ensure that various devices in the vehicle can utilize the signals received through the first antenna 311.

[0065] In Figure 3 the embodiment shown in

[0066] the first GNSS receiver 315 is provided in the autonomous driving control device 310, and the second GNSS receiver 321 is provided in the navigation device 320 described in more detail below. The distributor 313 sends the received GNSS signals to the autonomous driving control device 310 and the navigation device 320.

[0067] The emergency call device 330 includes a second GNSS antenna 331 and a third GNSS receiver 333. The emergency call device 330 further includes a BUB 335. In addition, although Figure 3 not shown in, the emergency call device 330 may further include components that can process GNSS signals, generate accident information including vehicle position information, and send the generated accident information to the outside.

[0068] It is advantageous for the emergency call device 330 to include a backup power supply for the BUB. If the emergency call device 330 has a built-in backup battery, even when the power supply from the main battery or auxiliary battery installed in the vehicle is cut off during a collision, the power from the backup battery can be used to process GNSS signals. Therefore, vehicle accident information can be sent to the accident handling agency.

[0069] As in the foregoing embodiments, according to Figure 3 the embodiment of, the emergency call device 330 is configured to independently receive GNSS signals without relying on other devices.

[0070] The autonomous driving control device 310 can implement at least one ADAS function. The autonomous driving control device 310 can generate position information indicating the absolute position of the vehicle based on position signals received from the outside to implement at least one ADAS function. The position signals received from the outside may include GNSS signals and / or base station position signals received from the base stations of the mobile communication network.

[0071] The autonomous driving control device 310 can generate a driving route based on the position information generated when the driver inputs a destination through the user interface. The generated driving route may include a driving map mapped to the generated position information.

[0072] In the autonomous driving control device 310, the first GNSS receiver 315 can send the GNSS signals received from the distributor 313 to at least one MCU. The autonomous driving control device 310 may include at least one MCU that executes at least one ADAS function. At least one MCU can be connected via the vehicle network. For example, at least one MCU can be connected via the CAN bus. Although the MCU of the autonomous driving control device 310 is omitted in Figure 3 , the autonomous driving control device 310 may include multiple MCUs according to its functions.

[0073] The navigation device 320 is installed in the vehicle and provides a driving route for the vehicle based on the current position information of the vehicle and the destination information set by the driver. In the navigation device 320, the second GNSS receiver 321 sends the GNSS signals received from the distributor 313 to at least one MCU. Although inFigure 3 The MCU of the navigation device 320 is omitted, but the navigation device 320 may include at least one MCU according to its functions.

[0074] In an embodiment, a GNSS signal sharing system of a vehicle is provided. The GNSS signal sharing system includes a GNSS antenna disposed in the vehicle. The GNSS antenna is configured to receive GNSS signals. The GNSS signal sharing system further includes a distributor configured to i) receive GNSS signals from the GNSS antenna and ii) branch the received GNSS signals. The GNSS signal sharing system additionally includes a plurality of GNSS receivers configured to receive the GNSS signals branched by the distributor. The GNSS antenna, the distributor, and a first GNSS receiver among the plurality of GNSS receivers are included in an emergency call device. A second GNSS receiver among the plurality of GNSS receivers is included in a device configured to utilize GNSS signals, wherein the device configured to utilize GNSS signals is disposed in the vehicle.

[0075] In an embodiment, the device configured to utilize GNSS signals includes an autonomous driving control device.

[0076] In an embodiment, the autonomous driving control device is configured to generate position information of the vehicle. The autonomous driving control device is further configured to send the generated position information to the navigation device.

[0077] In an embodiment, the autonomous driving control device is further configured to generate map information around the vehicle and send the generated map information to the navigation device.

[0078] In an embodiment, the device configured to utilize GNSS signals includes a navigation device.

[0079] In an embodiment, the navigation device is configured to generate position information of the vehicle. The navigation device is further configured to send the generated position information to the autonomous driving control device.

[0080] In an embodiment, the intensity of the GNSS signal sent by the distributor to the first GNSS receiver is less than or equal to the intensity of the GNSS signal sent by the distributor to the second GNSS receiver.

[0081] In another embodiment, a GNSS signal sharing system for a vehicle is provided. The GNSS signal sharing system includes a plurality of antennas disposed in the vehicle. The plurality of antennas are configured to receive GNSS signals. The GNSS signal sharing system further includes a distributor configured to i) receive GNSS signals from a first antenna among the plurality of antennas, and ii) branch the GNSS signals. The GNSS signal sharing system additionally includes a plurality of GNSS receivers configured to receive the GNSS signals branched by the distributor. The first GNSS receiver, the distributor, and the first GNSS receiver among the plurality of GNSS receivers are included in an autonomous driving control device. The second GNSS receiver among the plurality of GNSS receivers is included in a navigation device. The second antenna among the plurality of antennas is included in an emergency call device.

[0082] In an embodiment, the performance of the first antenna is higher than the performance of the second antenna.

[0083] Various exemplary embodiments of the systems and methods described herein can be implemented by digital electronic circuits, integrated circuits, field programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), computer hardware, firmware, software, and / or combinations thereof. These various embodiments can include embodiments implemented in one or more computer programs executable on a programmable system. The programmable system includes at least one programmable processor, at least one input device, and at least one output device, the programmable processor being coupled to receive data and instructions from a storage system and to send data and instructions to the storage system. The programmable processor can be a dedicated processor or a general-purpose processor. A computer program (also referred to as a program, software, software application, or code) contains instructions for the programmable processor and is stored in a "computer-readable recording medium".

[0084] A computer-readable recording medium includes any type of recording device capable of recording data readable by a computer system. Examples of non-transitory computer-readable recording media include non-volatile or non-transitory media such as, for example, ROM, CD-ROM, magnetic tape, floppy disk, memory card, hard disk, optical disk / disk, storage device, etc. The computer-readable recording medium can further include transitory media such as, for example, data transmission media. In addition, the computer-readable recording medium can be distributed among computer systems connected via a network, wherein the computer-readable code can be stored and executed in a distributed manner.

[0085] Various embodiments of the systems and techniques described herein can be implemented by a programmable computer. The computer can include a programmable processor, a data storage system (including volatile memory, non-volatile memory, or another type of storage system, or a combination thereof), and at least one communication interface. For example, the programmable computer can be one of a server, a network device, a set-top box, an embedded device, a computer expansion module, a personal computer, a laptop, a personal digital assistant (PDA), a cloud computing system, or a mobile device.

[0086] Although embodiments of the present application have been described for illustrative purposes, those of ordinary skill in the art should understand that various modifications, additions, and substitutions can be made without departing from the spirit and scope of the present application. Therefore, the embodiments of the present application have been described for the sake of brevity and clarity. The scope of the technical idea of the embodiments of the present application is not limited by the drawings. Therefore, the scope of the present application is not limited by the embodiments described explicitly above. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A GNSS signal sharing system for a vehicle, the GNSS signal sharing system comprising: a GNSS antenna disposed in the vehicle, wherein the GNSS antenna is configured to receive GNSS signals; a distributor configured to i) receive a GNSS signal from a GNSS antenna, and ii) split the GNSS signal; and a plurality of GNSS receivers configured to receive the GNSS signals branched by the distributor; in: The GNSS antenna, the distributor, and a first GNSS receiver among the plurality of GNSS receivers are included in the emergency call device, A second GNSS receiver among the plurality of GNSS receivers is included in the device configured to utilize the GNSS signal, wherein the device configured to utilize the GNSS signal is disposed in a vehicle.

2. The GNSS signal sharing system for a vehicle according to claim 1, wherein: Devices configured to utilize GNSS signals include autopilot control devices.

3. The vehicle GNSS signal sharing system according to claim 2, wherein: The automatic driving control device is configured as follows: Generate vehicle location information; The position information is sent to the navigation device.

4. The vehicle GNSS signal sharing system according to claim 3, wherein: The automatic driving control device is further configured as follows: Generate map information around the vehicle; Send map information to the navigation device.

5. The vehicle GNSS signal sharing system according to claim 1, wherein: Devices configured to utilize GNSS signals include navigation devices.

6. The vehicle GNSS signal sharing system according to claim 5, wherein: The navigation device is configured as follows: Generate vehicle location information; Send the position information to the autonomous driving control device.

7. The vehicle GNSS signal sharing system according to claim 1, wherein: The strength of the GNSS signal sent by the distributor to the first GNSS receiver is less than or equal to the strength of the GNSS signal sent by the distributor to the second GNSS receiver.

8. A GNSS signal sharing system for a vehicle, the GNSS signal sharing system comprising: a plurality of antennas disposed in the vehicle, wherein the plurality of antennas are configured to receive GNSS signals; a distributor configured to i) receive a GNSS signal from a first antenna of the plurality of antennas, and ii) split the GNSS signal; and a plurality of GNSS receivers configured to receive the GNSS signals branched by the distributor; in: The first antenna, the distributor, and the first GNSS receiver of the plurality of GNSS receivers are included in the automatic driving control device, A second GNSS receiver of the plurality of GNSS receivers is included in the navigation device, and a second antenna of the plurality of antennas is included in the emergency call device.

9. The vehicle GNSS signal sharing system according to claim 8, wherein: The performance of the first antenna is higher than the performance of the second antenna.

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