Communication device for vehicle
By introducing signal strength collection and connection management functions into the vehicle communication device, it automatically switches to a communication module with better signal strength, solving the problem of unstable connection in the communication service between the vehicle and the user terminal, and achieving stable and efficient communication services.
Patent Information
- Application Number
- CN202380060720.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2022-08-22
- Filing Date
- 2023-07-27
- Publication Date
- 2025-03-28
AI Technical Summary
When providing communication services between a vehicle and a user terminal, it is difficult to effectively manage signal strength, resulting in unstable connections and affecting service quality.
A communication device for a vehicle is designed, including a first communication module and a second communication module. Through a signal strength collection unit and a connection management unit, the signal strength between the user terminal and each communication module is collected and compared in real time, and the signal strength between the user terminal and the communication module is automatically switched to a communication module with better signal strength.
It realizes stable and efficient communication between the vehicle and the user terminal, improves service quality, and ensures connection reliability and performance.
Smart Images
Figure CN119732168A_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to a communication device for a vehicle, a user terminal, and a communication method for a vehicle. Background Art
[0002] With the development of wireless communication, services provided to vehicles in real time have been developing. In the future, it is expected that services based on the connection between user terminals (personal wireless devices such as smartphones) and communication devices for vehicles will increase.
[0003] Research into providing such services is being actively conducted, but there are various problems. Summary of the invention Technical Solution
[0004] According to an embodiment of the present disclosure, a communication device for a vehicle includes: a first communication module; and a second communication module, wherein the first communication module or the second communication module is connected to a user terminal according to a signal strength of the first communication module or the second communication module.
[0005] According to an embodiment, the communication device may further include a signal strength collecting unit configured to collect signal strength between the user terminal and the first communication module, or signal strength between the user terminal and the second communication module.
[0006] According to an embodiment, the communication device may further include a connection management unit configured to compare the signal strength between the user terminal and the first communication module with the signal strength between the user terminal and the second communication module.
[0007] According to an embodiment, the connection management unit may be configured to connect the user terminal to the communication module having a stronger signal strength between the first communication module and the second communication module.
[0008] According to an embodiment, when the first communication module and the user terminal are connected but the signal strength between the user terminal and the second communication module is stronger than the signal strength between the user terminal and the first communication module, the connection management unit can be configured to disconnect the user terminal from the first communication module and connect the user terminal to the second communication module.
[0009] According to an embodiment of the present disclosure, a user terminal includes: a communication unit configured to connect to a communication module of a vehicle, wherein the communication device for the vehicle includes: a first communication module; and a second communication module, and the communication unit is connected to the first communication module or the second communication module according to the signal strength of the first communication module or the second communication module.
[0010] According to an embodiment, the communication module of the vehicle may further include a signal strength collecting unit configured to collect signal strength between the user terminal and the first communication module, or signal strength between the user terminal and the second communication module.
[0011] According to an embodiment, the communication module of the vehicle may further include a connection management section configured to compare a signal strength between the user terminal and the first communication module with a signal strength between the user terminal and the second communication module.
[0012] According to an embodiment, the connection management section may send a connection request to the communication unit so that the user terminal may be connected to the communication module having a stronger signal strength between the first communication module and the second communication module.
[0013] According to an embodiment, when the first communication module and the user terminal are connected but the signal strength between the user terminal and the second communication module is stronger than the signal strength between the user terminal and the first communication module, the connection management unit can be configured to send a disconnect request to the communication unit to disconnect the user terminal from the first communication module, and send a connection request to the communication unit to connect the user terminal and the second communication module.
[0014] According to an embodiment of the present disclosure, a communication method for a vehicle includes: connecting a user terminal to a communication module according to the signal strength of the communication module of the vehicle, wherein the communication module of the vehicle includes: a first communication module; and a second communication module, and the connection includes connecting the first communication module or the second communication module to the user terminal according to the signal strength of the first communication module or the second communication module.
[0015] According to an embodiment, the communication method for a vehicle may further include collecting a signal strength between the user terminal and the first communication module or a signal strength between the user terminal and the second communication module.
[0016] According to an embodiment, the communication method for a vehicle may further include comparing a signal strength between the user terminal and the first communication module with a signal strength between the user terminal and the second communication module.
[0017] According to an embodiment, the comparing may include connecting the user terminal to a communication module having a stronger signal strength among the first communication module and the second communication module.
[0018] According to an embodiment, the comparison may include disconnecting the user terminal from the first communication module and connecting the user terminal to the second communication module when the first communication module and the user terminal are connected but the signal strength between the user terminal and the second communication module is stronger than the signal strength between the user terminal and the first communication module. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 is a block diagram of a communication device for a vehicle according to an embodiment.
[0020] Figure 2 is a diagram illustrating a switching connection process of a communication device for a vehicle according to an embodiment.
[0021] Figure 3 is a flowchart of a communication method for a vehicle according to an embodiment.
[0022] Figure 4 is a diagram illustrating a signal strength-based handover reconnection process of a communication method for a vehicle according to an embodiment.
[0023] Figure 5 is a diagram illustrating a communication device for a vehicle and a user terminal according to an embodiment.
[0024] Figure 6 is a diagram showing a flow of a communication method for a vehicle according to an embodiment.
[0025] Figure 7 is a block diagram of a user terminal according to one embodiment. DETAILED DESCRIPTION
[0026] The present disclosure can be modified in various ways and has various embodiments, and therefore will be shown in the drawings by way of example and described in detail in particular embodiments. However, it should be understood that the drawings and descriptions are not intended to limit the present disclosure to particular embodiments, but to cover all modifications, equivalents and substitutes falling within the spirit and scope of the present disclosure.
[0027] Although the terms "first", "second", etc. may be used herein to describe various elements, these elements should not be interpreted as being limited by these terms. These terms are only used to distinguish one element from another element. For example, without departing from the scope of the present disclosure, a first element may be referred to as a second element, and a second element may also be referred to as a first element. The term "and / or" may include a combination of multiple related description items or any one of multiple related description items.
[0028] When an element is described as being "connected" or "coupled" to another element, it should be understood that the element can be directly connected or joined to another element, but there may be intermediate elements therebetween. However, when an element is described as being "directly connected" or "directly coupled" to another element, it should be understood that there are no intermediate elements therebetween.
[0029] The terms used herein are only used for the purpose of describing specific embodiments and are not intended to limit the present disclosure. As used herein, the singular form is intended to also include the plural form, unless the context clearly indicates otherwise. It will be further understood that the terms "including" and / or "having" when used herein specify the presence of stated features, numbers, steps, operations, elements, parts and / or combinations thereof, but do not exclude the presence or addition of one or more other features, numbers, steps, operations, elements, parts and / or combinations thereof.
[0030] Unless otherwise defined, all terms used herein, including technical and scientific terms, have the same meaning as those commonly understood by those skilled in the art to which the present disclosure belongs. It will be further understood that terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and will not be interpreted in an idealized or overly formal sense unless explicitly defined herein.
[0031] Hereinafter, the embodiments will be described in detail with reference to the accompanying drawings, wherein the same or corresponding elements will be given the same reference numerals throughout, and repeated description thereof will be avoided.
[0032] Figure 1 is a block diagram of a communication device for a vehicle according to an embodiment.
[0033] According to an embodiment, the communication device 100 for a vehicle may include a first communication module 101 and a second communication module 102. The communication device 100 for a vehicle may include a plurality of communication modules, the plurality of communication modules including the first communication module 101 and the second communication module 102, and the plurality of communication modules may further include a third communication module, a fourth communication module, an nth communication module (where n is a natural number of 2 or greater), etc. The operation (described later) applicable to the second communication module 102 may also be applicable to the third communication module, the fourth communication module, the nth communication module (where n is a natural number of 2 or greater), etc. The plurality of communication modules may include at least some of the various communication devices / communication modules.
[0034] The communication device 100 for a vehicle may include at least some of a vehicle, a control device mounted to the vehicle, a memory, a processor, a data transceiver, and the like.
[0035] The first communication module 101 or the second communication module 102 may be connected to the user terminal according to the signal strength of the first communication module 101 or the second communication module 102 .
[0036] According to an embodiment, the communication device 100 for a vehicle may further include a signal strength collecting unit (not shown) that collects the signal strength between the user terminal and the first communication module 101 , or the signal strength between the user terminal and the second communication module 102 .
[0037] According to an embodiment, the communication device 100 for a vehicle may further include a connection management part (not shown) that compares the signal strength between the user terminal and the first communication module 101 with the signal strength between the user terminal and the second communication module 102 .
[0038] According to an embodiment, the connection management unit may connect the user terminal to the communication module having a stronger signal strength between the first communication module 101 and the second communication module 102 .
[0039] According to an embodiment, when the first communication module 101 and the user terminal are connected but the signal strength between the user terminal and the second communication module 102 is stronger than the signal strength between the user terminal and the first communication module 101, the connection management unit may disconnect the user terminal from the first communication module 101 and connect the user terminal to the second communication module 102.
[0040] According to an embodiment, when the first communication module 101 and the user terminal are connected and the signal strength between the user terminal and the second communication module 102 is weaker than or equal to the signal strength between the user terminal and the first communication module 101, the connection management unit can maintain the connection between the user terminal and the first communication module 101.
[0041] Figure 2 is a diagram illustrating a switching connection process of a communication device for a vehicle according to an embodiment.
[0042] The communication device for a vehicle may include a first communication module 201 and a second communication module 202 .
[0043] refer to Figure 2 In (a), the communication device for the vehicle can be connected to the user terminal 210.
[0044] A communication device for a vehicle may adopt a method of improving coverage and connectivity more smoothly, rather than degrading wireless communication reliability and performance by maintaining an existing connection under weak electric field conditions.
[0045] The communication device for a vehicle can connect the user terminal 210 with the second communication module 202, which exhibits a stronger electric field than the existing connection device (ie, the first communication module 201), thereby increasing user convenience by ensuring operation time and improving performance in subsequent stages.
[0046] A communication device for a vehicle periodically identifies the signal strength between an unconnected device (i.e., the second communication module 202) and a user device (i.e., the user terminal 210), and ensures performance by identifying and connecting a device with a stronger signal strength than the currently connected device (i.e., the first communication module 201).
[0047] refer to Figure 2 In (b), the communication device for a vehicle may send parameters to a non-connected device, ie, the second communication module 202 , when connected with the user terminal 210 , and collect signal strength between the user device and the second communication module 202 .
[0048] refer to Figure 2 In (c), when there is a device among the unconnected devices whose signal strength is stronger than the signal strength of the existing connected device by a certain level (e.g., a preset threshold), the communication device for the vehicle can disconnect the existing connection and try to connect to the device with stronger signal strength or send a request / setting to the user terminal 210.
[0049] Figure 3 is a flowchart of a communication method for a vehicle according to an embodiment.
[0050] According to an embodiment, each step of the communication method for a vehicle may be performed by at least some elements of the communication device for a vehicle.
[0051] In step 301, a communication device for a vehicle may be connected to a user terminal according to a signal strength of a communication module of the vehicle. The communication module of the vehicle may include a first communication module and a second communication module.
[0052] The communication device for a vehicle may connect a user terminal with the first communication module or the second communication module according to the signal strength of the first communication module or the second communication module.
[0053] According to an embodiment, the communication device for a vehicle may collect a signal strength between a user terminal and a first communication module or a signal strength between a user terminal and a second communication module.
[0054] According to an embodiment, the communication device for a vehicle may compare a signal strength between a user terminal and a first communication module with a signal strength between a user terminal and a second communication module.
[0055] According to an embodiment, the communication device for a vehicle may connect the user terminal to a communication module having a stronger signal strength among the first communication module and the second communication module.
[0056] In step 302, when the first communication module and the user terminal are connected but the signal strength between the user terminal and the second communication module is stronger than the signal strength between the user terminal and the first communication module, the communication device for the vehicle can disconnect the user terminal from the first communication module and connect the user terminal to the second communication module.
[0057] Figure 4 is a diagram illustrating a signal strength-based handover reconnection process of a communication method for a vehicle according to an embodiment.
[0058] The communication apparatus for a vehicle may include a master device or a first slave device as a first communication module 401. The communication apparatus for a vehicle may include a second slave device (strong electric field) as a second communication module 402.
[0059] The communication device for a vehicle may turn on / supply power to the first communication module 401 and the second communication module 402. The communication device for a vehicle may perform advertisement to the user terminal 410 through the first communication module 401 and the second communication module 402.
[0060] The communication device for a vehicle may transmit a connection request to a user device (ie, the user terminal 410 ) through the first communication module 401 , and receive a connection completion, etc. from the user terminal 410 .
[0061] The communication device for a vehicle may maintain wireless communication between the first communication module 401 and the user terminal 410. The communication device for a vehicle may perform wireless communication detection and signal strength check on another device (ie, the second communication module 402).
[0062] The communication device for the vehicle can check the signal strength and switching possibility. The communication device for the vehicle can set the disconnection / simultaneous operation and connection order based on the usage scenario.
[0063] The communication device for a vehicle may request the user terminal 410 to disconnect the user from the first communication module 401 and perform user connection setting for the second communication module 402 .
[0064] The first communication module 401 and the user terminal 410 may be disconnected from each other. The communication device for a vehicle may perform advertisement to the user terminal 410 using the second communication module 402 .
[0065] The communication device for a vehicle may request the user device (ie, the user terminal 410 ) to be connected with the second communication module 402 , and receive information on the connection completion from the user terminal 410 .
[0066] Figure 5is a diagram illustrating a communication device for a vehicle and a user terminal according to an embodiment.
[0067] The communication device 501 for a vehicle may include a main device such as an H / U and N communication modules such as a radio frequency (RF) module (for example, N is a natural number of 2 or more). The user terminal 510 may be connected to at least one of the communication modules of the communication device 501 for a vehicle, and the user terminal 510 may also be newly connected to a communication module other than the connected communication module according to signal strength.
[0068] When the signal strength between the communication module and the user terminal 510 is higher than or equal to a preset threshold and the communication therebetween is in a stable condition, the communication device 501 for a vehicle may maintain the wireless connection between the communication module and the user terminal 510 .
[0069] When the signal strength between the communication module and the user terminal 510 is lower than a preset threshold or the communication between them is not in a stable state, the communication device 501 for the vehicle can release the wireless connection between the communication module and the user terminal 510, and establish / request wireless communication between another communication module and the user terminal 510.
[0070] The communication device 501 for a vehicle can improve the communication stability between wireless devices. In addition, the communication device 501 for a vehicle has the effect of shortening the operation processing time through stable wireless communication data exchange.
[0071] The communication device 501 for a vehicle has an advantage of improving time synchronization performance with other wireless devices such as UWB.
[0072] Figure 6 is a diagram showing a flow of a communication method for a vehicle according to an embodiment.
[0073] In step 601 , a communication device for a vehicle may be turned on / powered on by a user or the like.
[0074] The communication device for a vehicle may perform wireless device advertisement through a plurality of communication modules in step 602. The communication device for a vehicle may transmit a signal for connecting with a communication module (eg, RF module) after startup.
[0075] In step 603 , the communication device for a vehicle may connect the user terminal to one of the plurality of communication modules.
[0076] In step 604 , the communication device for the vehicle may collect and check the signal strength between the user terminal and the communication module other than the connected wireless device (communication module).
[0077] In step 605 , the communication device for a vehicle may perform a comparison of signal strengths between a currently connected device (communication module) and an unconnected device (other communication modules).
[0078] In step 606 , when the signal strength of the unconnected device (other communication module) is weaker than the signal strength of the currently connected device (communication module), the communication device for the vehicle may maintain the connection.
[0079] In step 607, when the signal strength of the unconnected device (other communication module) is better than the signal strength of the currently connected device (communication module), the communication device for the vehicle may release the connection and connect the user terminal with the signal strength of the unconnected device (other communication module). The communication device for the vehicle may perform a disconnection based on the scenario and then perform a new connection, or may perform a new connection and then perform a disconnection.
[0080] Figure 7 is a block diagram of a user terminal according to one embodiment.
[0081] According to an embodiment, the user terminal may include a communication unit 710 for connecting with a communication module of a vehicle.
[0082] The user terminal may include at least some of devices used by a user when using a vehicle, such as a smart phone, a mobile phone, and a tablet PC.
[0083] The communication module of the vehicle may include a first communication module 701 and a second communication module 702 .
[0084] The communication unit 710 may be connected to the first communication module or the second communication module according to the signal strength of the first communication module or the second communication module.
[0085] According to an embodiment, the communication module of the vehicle may further include a signal strength collecting unit that collects the signal strength between the user terminal and the first communication module, or the signal strength between the user terminal and the second communication module.
[0086] According to an embodiment, the communication module of the vehicle may further include a connection management section that compares a signal strength between the user terminal and the first communication module with a signal strength between the user terminal and the second communication module.
[0087] According to an embodiment, the connection management section may send a connection request to the communication unit 710 to connect the user terminal to the communication module having a stronger signal strength between the first communication module and the second communication module.
[0088] According to an embodiment, when the first communication module and the user terminal are connected but the signal strength between the user terminal and the second communication module is stronger than the signal strength between the user terminal and the first communication module, the connection management unit may send a disconnect request to the communication unit 710 to disconnect the user terminal from the first communication module, and send a connection request to the communication unit 710 to connect the user terminal to the second communication module.
[0089] Although embodiments have been described, these are merely examples and do not limit the present disclosure, and various modifications and applications may be made by a person with ordinary knowledge of the field to which the present disclosure belongs without departing from the scope of the present disclosure. For example, the elements shown in the embodiments may be modified and implemented. In addition, differences associated with modifications and applications should be interpreted as being included within the scope of the present disclosure as defined in the appended claims.
Claims
1. A communication device for a vehicle, comprising: A first communication module; as well as A second communication module, wherein Connecting the first communication module or the second communication module to a user terminal according to the signal strength of the first communication module or the second communication module.
2. The communication device for a vehicle according to claim 1, further comprising a signal strength collecting unit, wherein the signal strength collecting unit is configured to collect the signal strength between the user terminal and the first communication module, or the signal strength between the user terminal and the second communication module. 3 . The communication device for a vehicle according to claim 2 , further comprising a connection management unit configured to compare the signal strength between the user terminal and the first communication module or the signal strength between the user terminal and the second communication module.
4. The communication device for a vehicle according to claim 3, wherein: The connection management unit is configured to connect the user terminal to the communication module with a stronger signal strength between the first communication module and the second communication module.
5. The communication device for a vehicle according to claim 3, wherein: The connection management unit is configured to: when the first communication module and the user terminal are connected, if the signal strength between the user terminal and the second communication module is stronger than the signal strength between the user terminal and the first communication module, disconnect the user terminal from the first communication module and connect the user terminal to the second communication module.
6. A communication method for a vehicle, comprising: The step of connecting the user terminal to the communication module of the vehicle according to the signal strength of the communication module of the vehicle, wherein: The communication module of the vehicle comprises: a first communication module; and The second communication module, The connecting step comprises: Connecting the first communication module or the second communication module to the user terminal according to the signal strength of the first communication module or the second communication module. 7 . The communication method according to claim 6 , further comprising the step of collecting the signal strength between the user terminal and the first communication module, or the signal strength between the user terminal and the second communication module.
8. The communication method according to claim 6, further comprising the step of comparing the signal strength between the user terminal and the first communication module, or the signal strength between the user terminal and the second communication module.
9. The communication method according to claim 8, wherein: The comparing step further includes the step of connecting the user terminal to the communication module having a stronger signal strength between the first communication module and the second communication module.
10. The communication method according to claim 8, wherein: The comparison step also includes a step of disconnecting the user terminal from the first communication module and connecting the user terminal to the second communication module when the first communication module and the user terminal are connected and the signal strength between the user terminal and the second communication module is stronger than the signal strength between the user terminal and the first communication module.