WO2023105648A1 - 通信制御装置、および、通信制御方法 - Google Patents
通信制御装置、および、通信制御方法 Download PDFInfo
- Publication number
- WO2023105648A1 WO2023105648A1 PCT/JP2021/045005 JP2021045005W WO2023105648A1 WO 2023105648 A1 WO2023105648 A1 WO 2023105648A1 JP 2021045005 W JP2021045005 W JP 2021045005W WO 2023105648 A1 WO2023105648 A1 WO 2023105648A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- communication
- frequency band
- vehicle
- noise
- communication control
- Prior art date
Links
- 238000004891 communication Methods 0.000 title claims abstract description 204
- 238000000034 method Methods 0.000 title claims description 16
- 230000004913 activation Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 34
- 238000001514 detection method Methods 0.000 description 19
- 230000006870 function Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000004590 computer program Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
Definitions
- the present invention relates to a communication control device and a communication control method.
- Patent Document 1 in a road-to-vehicle communication system that uses different frequencies for each communication area, by detecting the angle of the arrival direction of radio waves received from a radio base station antenna, the communication frequency used for the next communication area A communication control method for switching to .
- processing was performed to reduce the overall amount of noise in order to improve the accuracy of communication with the wireless base station.
- the present invention has been made in view of the above problems, and its object is to improve communication quality without performing processing to reduce the overall amount of noise in a vehicle capable of wireless communication with a base station.
- the communication control device 100 determines the communication frequency band between the vehicle and the outside base station 200 when starting communication between the vehicle and the outside base station 200.
- the amount of electromagnetic noise in each frequency band is measured or determined, the communication frequency band is set based on the amount of electromagnetic noise, and communication with the base station outside the vehicle is performed using the set communication frequency band.
- communication quality in a vehicle capable of wireless communication with a base station, communication quality can be improved without performing processing to reduce the total amount of noise.
- FIG. 1 is a block diagram showing an example of the configuration of the communication control device 100.
- FIG. 2 is a diagram showing the positional relationship between the antenna 11 and the electrical component 60 in the vehicle.
- FIG. 3 is a diagram showing in-vehicle noise in the frequency band of standalone (SA) 5G communication.
- FIG. 4 is a flowchart illustrating an example of processing according to the first embodiment.
- FIG. 5 is a flowchart illustrating an example of processing according to the first embodiment.
- FIG. 6 is a flowchart illustrating an example of processing according to the first embodiment.
- FIG. 7 is a flowchart illustrating an example of processing according to the second embodiment.
- FIG. 8 is a flowchart illustrating an example of processing according to the second embodiment.
- FIG. 9 is a flowchart illustrating an example of processing according to the second embodiment.
- the communication control device 100 is mounted on the vehicle.
- the communication control device 100 controls communication between the vehicle and the external base station 200, as shown in FIG.
- the communication control device 100 can be connected to an electrical component 60 as a vehicle-mounted device, as shown in FIG. That is, the communication control device 100 can be connected to multiple electrical components 60 .
- the communication control device 100 is connected to an antenna 11 for wireless communication with the base station 200 .
- Wireless communication may be 5G (5th generation mobile communication system), Long Term Evolution (LTE, 4G), Wi-Fi, or the like.
- FIG. 2 is a diagram showing the positional relationship between the antenna 11 and the electrical component 60 in the vehicle.
- the antenna 11 and electrical equipment 60 that can be a noise source are laid out in the cockpit module (dashboard).
- the antenna 11-2 is arranged right beside the head-up display (H/U display) 60-2, it is susceptible to noise. Therefore, it is important to reduce the influence of noise when performing 5G communication or the like.
- FIG. 3 is a diagram showing in-vehicle noise in the frequency band of standalone (SA) 5G communication.
- SA standalone
- the strong peaks seen in the noise concentration band indicate the amount of noise that rises when the vehicle or electrical equipment is turned on.
- FIG. 3 it can be seen that noise generation is concentrated in a specific frequency band.
- communication with the base station 200 is performed while avoiding the in-vehicle noise that occurs when the vehicle is ON or when the electrical components are ON. Therefore, in this embodiment, there are two main types of embodiments: changing the clock frequency of the noise source and changing the communication frequency to a high frequency band with less noise. may implement only one, or both may be implemented in any combination. For example, in the above case, even if the electrical equipment that is the source of the noise is turned off, noise cannot be avoided as long as the vehicle is turned on. You can do either.
- the communication control device 100 includes a communication control section 10 connected to an antenna 11 , a setting section 20 , an electrical component control section 30 and an output section 40 .
- the communication control unit 10 controls wireless communication with the base station 200 via the antenna 11.
- the communication control unit 10 determines the communication frequency band between the vehicle and the external base station 200 when starting communication between the vehicle and the external base station 200 .
- This communication frequency band may be assigned by the base station 200, and among the assigned communication frequency bands (a plurality of communication channels, etc.), a communication frequency band (at least one communication channel, etc.).
- the multiple frequency bands used by the communication control device 100 may be, for example, the high UHF band (that is, several GHz).
- the plurality of frequency bands used by the communication control device 100 may be two frequency bands, one of which is referred to as a first frequency band and the other of which is referred to as a second frequency band.
- the first frequency band may be the 5 GHz band and the second frequency band may be the 2.4 GHz band.
- frequency channels are available that divide the frequency band by a particular bandwidth.
- the number of frequency channels for example, 2.4 GHz-2.48 GHz
- a specific bandwidth of 2 MHz width for example, 40 channels can be used, of which may be determined and used as the communication frequency band.
- a high frequency band (so-called EHF (extremely high frequency, millimeter wave)) corresponding to a frequency band exceeding 52.6 GHz and up to 114.25 GHz may be used.
- the communication control unit 10 includes an antenna switch 12 for switching the antenna 11, a noise detection unit 14, and a communication unit 16, as shown in FIG.
- the antenna switch 12 is connected to the antenna 11.
- the antenna switch 12 may be connected to a BPF (that is, a bandpass filter) or the like that passes or blocks a specific frequency band. Note that frequency switching may be performed using a known technique such as frequency hopping, for example.
- the noise detection unit 14 measures or determines the amount of electromagnetic noise in each frequency band within the cockpit module.
- the noise detection unit 14 may measure or determine the amount of noise from outside the vehicle.
- the noise detection unit 14 may perform analysis processing to identify the vehicle interior noise and the vehicle exterior noise.
- the noise detection unit 14 measures noise when only a specific electrical component 60 is in the ON state, and stores the electrical component 60 and the frequency of the noise generated by the electrical component 60 in association with each other. good too. Accordingly, the noise detection unit 14 can perform analysis processing for separating noise in a wide range of frequencies into noise inside the vehicle and noise outside the vehicle.
- the communication unit 16 communicates with the base station 200 via the antenna 11. Note that the communication unit 16 itself may be the antenna 11 .
- the communication control unit 10, the setting unit 20, and the electrical component control unit 30 of the communication control device 100 are realized by a computer (for example, (Electronic Control Unit)) including semiconductor memory such as CPU, ROM, RAM, and flash memory.
- a computer for example, (Electronic Control Unit)
- semiconductor memory such as CPU, ROM, RAM, and flash memory.
- each part of the communication control device 100 is configured to realize each function by executing a program stored in a recording medium by a CPU or the like.
- the setting unit 20 determines the communication frequency band between the vehicle and the outside base station 200 when starting communication between the vehicle and the outside base station 200 . Normally, communication frequencies are determined according to frequency allocation from base station 200 . In addition to or instead of this, in the present embodiment (first embodiment), the setting unit 20 sets the communication frequency band based on the amount of electromagnetic noise measured or determined by the noise detection unit 14. . Alternatively, in addition to or instead of this, in the present embodiment (second embodiment), the setting unit 20 controls the electrical components 60 based on the amount of electromagnetic noise measured or determined by the noise detection unit 14. Set the operating clock frequency.
- the setting unit 20 sets a communication frequency band that avoids noise inside the vehicle. As a result, based on the amount of electromagnetic noise in the communication frequency band, it is possible to perform good communication while avoiding noise frequency bands.
- the setting unit 20 may also determine the amount of noise from outside the vehicle and perform processing to avoid noise inside the vehicle. As a result, noise outside the vehicle and noise inside the vehicle can be discriminated to enable better communication.
- the setting unit 20 may set the communication frequency band based on the amount of electromagnetic noise measured based on the speed of the vehicle. As the vehicle speed increases, the amount of noise increases due to factors such as the frequency of frequency switching due to handover (H/O). It is possible to set a frequency that avoids
- the setting unit 20 may detect the activation (ON) state of the electrical component 60 as an in-vehicle device, and set the communication frequency band based on the amount of electromagnetic noise measured based on the activation state.
- the amount of electromagnetic noise in advance using the operation of electrical equipment with a large amount of electromagnetic noise, such as air conditioners, navigation systems, and radios, as a trigger, it is possible to set a frequency that avoids electromagnetic noise earlier at the start of communication.
- the setting unit 20 selects a communication frequency band from among a plurality of frequency bands (a plurality of channels, etc.). Since this selects the communication frequency band, it is possible to set a frequency that avoids electromagnetic noise. Also, when selecting a communication frequency band from a plurality of frequency bands, the setting unit 20 selects in order from the highest frequency. As a result, by preferentially selecting a high frequency band in which the amount of electromagnetic noise is small, it is possible to set a frequency that avoids electromagnetic noise. .
- the setting unit 20 measures the amount of electromagnetic noise in order to estimate the switching area of the communication frequency band and determine the new communication frequency band with the base station outside the vehicle. As a result, the amount of electromagnetic noise is measured before reaching the point where communication frequency switching (H/O) occurs, so it is possible to set a frequency that avoids electromagnetic noise earlier at the start of communication.
- H/O communication frequency switching
- the setting unit 20 identifies the electrical component 60 that is the electromagnetic noise source based on the frequency band in which the amount of electromagnetic noise is equal to or greater than a predetermined value, and sets the operating clock frequency of the electrical component to A first frequency band different from the communication frequency band is set. As a result, the amount of electromagnetic noise in the communication frequency band is measured at the start of communication. It is possible to perform good communication with reduced influence due to
- the setting unit 20 changes the operating clock frequency of the electrical component 60 to the second frequency band when the amount of electromagnetic noise in the first frequency band is equal to or greater than a predetermined value.
- the setting unit 20 sets a frequency higher than that of the first frequency band for the second frequency band.
- the fundamental wave of the operating clock frequency By setting the fundamental wave of the operating clock frequency to a higher frequency band, the harmonic wave also becomes a high frequency band, and the span between the fundamental wave and the harmonic wave is also widened, so the influence of electromagnetic noise is reduced and good communication is possible. becomes.
- the setting unit 20 decomposes the frequency distribution of the measured electromagnetic noise to identify the electrical component 60 that is the source of the electromagnetic noise.
- the frequency of the fundamental wave can be identified from the harmonic components, and the electrical equipment that is the electromagnetic noise source can be reliably identified.
- the setting unit 20 does not change the operating clock frequency until the control of the electrical component is completed. Not performed.
- an electrical component that is an identified source of electromagnetic noise is executing control related to vehicle running, it is possible to maintain vehicle running safety by not changing the operating clock frequency. becomes.
- the setting unit 20 when switching the operating clock frequency of the electrical component 60, notifies the user in advance via the output unit 40 of the switching. By notifying the user in advance when switching the operating clock frequency, it is possible to confirm the user's consent to the switching.
- the electrical component control unit 30 is connected to various electrical components 60 and controls the electrical components 60 .
- the electrical component control unit 30 may be implemented using a control unit such as IVI (in-vehicle infotainment).
- the output unit 40 is output means such as a speaker and a display.
- the communication control unit 10 of the communication control device 100 determines whether or not to perform communication (SA-1). For example, the communication control unit 10 determines to start communication with a new base station 200 when the vehicle is started or during H/O.
- the communication control unit 10 measures noise in each frequency band via the noise detection unit 14 (SA-2).
- the communication control unit 10 determines the communication frequency band through communication with the base station 200 via the communication unit 16 at the start of communication (SA-3).
- SA-3 the communication frequency band
- the communication frequency band normally assigned by the base station 200 is used.
- the noise detection unit 14 measures or determines the amount of electromagnetic noise in each frequency band within the cockpit module (SA-4). As described above, the noise detection unit 14 may directly detect the amount of noise inside the cockpit module, that is, inside the vehicle. You can judge.
- the setting unit 20 allocates a new communication frequency band through communication with the base station 200 under the control of the communication control unit 10. By receiving it, the communication frequency band is changed (SA-5). Note that the configuration is not limited to this, and the setting unit 20 may change the communication frequency by switching channels in the communication frequency band that has already been allocated.
- the communication control unit 10 starts communication via the communication unit 16 (SA-6).
- the communication control unit 10 determines whether the vehicle speed is equal to or greater than the threshold (km/h) (SA-21).
- a vehicle speed sensor or GPS position information may be used for determination.
- the noise detection unit 14 measures noise in each frequency band with a fast sweep time (SA-22).
- the noise detection unit 14 measures noise in each frequency band with a slow sweep time (SA-23).
- the noise detection unit 14 of the communication control unit 10 is in the ON state. Avoiding the noise frequency of the electrical equipment 60, measure the noise in each frequency band (SA-24). For example, as described above, the noise detection unit 14 associates each electrical component 60 with the noise frequency and stores the noise frequency in advance in the storage unit. Avoid noise measurements may be made.
- the noise detection section 14 of the communication control section 10 measures noise in each frequency band (SA-25).
- the setting unit 20 can more accurately set the communication frequency based on the noise measurement result that avoids the noise frequency of the electrical component 60 in the ON state. This completes the description of the processing of the first embodiment.
- the setting unit 20 sets the operation clock of each electrical component 60 to operation clock setting 1 ( a first frequency band different from the communication frequency band) (SA-7).
- the setting unit 20 sets the operation clock of each electrical component 60 to The operating clock setting is changed to 2 (second frequency band different from the communication frequency band) (SA-8).
- the noise detector 14 measures noise in each frequency band (SA-26).
- the noise detection unit 14 changes only the clock frequency of the electrical component 60-1, measures the noise, and stores it in the storage unit (SA-27). This processing is also performed for each of the other electrical components 60 (SA-28, 29).
- the clock noise frequencies of the electrical components 60-1 to 60-3 can be stored in association with the storage unit, and the setting unit 20 identifies the electrical component 60 from the noise frequency based on the correspondence relationship in the storage unit.
- the number of clocks of the electrical equipment 60 which is a source of noise, can be avoided from the communication frequency band.
- the setting unit 20 specifies the electrical component x that is the noise generation source through the association of the storage unit described above. (SA-91).
- the setting unit 20 determines whether the electrical component x is an in-vehicle device related to driving safety. (SA-93).
- the electrical equipment 60 such as a speedometer, a car navigation system in use, and a collision avoidance safety device may be determined as in-vehicle equipment related to driving safety.
- the setting unit 20 does not change the clock number of the electrical component x (SA-94).
- the electrical component x is an in-vehicle device (such as an air conditioner) that is not important for driving safety (SA-93, NO), change the clock number of the electrical component x (SA-95).
- the setting unit 20 may notify the user in advance of the switching via the output unit 40. If the user's consent cannot be confirmed, the clock number is changed. It is good also as the structure which does not carry out.
- the communication control device 100 sets the communication frequency band based on the amount of electromagnetic noise measured or determined by noise detection when starting communication between the vehicle and the outside base station 200. and communicate. As a result, the amount of electromagnetic noise inside the cockpit module is measured at the start of communication with the base station outside the vehicle. It becomes possible.
- the communication control device 100 may determine the amount of noise from outside the vehicle and perform processing to avoid noise inside the vehicle. As a result, noise outside the vehicle and noise inside the vehicle can be discriminated to enable better communication.
- the communication control device 100 may set the communication frequency band based on the amount of electromagnetic noise measured based on the speed of the vehicle. As the vehicle speed increases, the amount of noise increases due to factors such as the frequency of frequency switching due to handover (H/O). It is possible to set a frequency that avoids
- the communication control device 100 may detect the activated (ON) state of the electrical component 60 as an in-vehicle device, and set the communication frequency band based on the amount of electromagnetic noise measured based on the activated state.
- the amount of electromagnetic noise in advance using the operation of electrical equipment with a large amount of electromagnetic noise, such as air conditioners, navigation systems, and radios, as a trigger, it is possible to set a frequency that avoids electromagnetic noise earlier at the start of communication.
- the communication control device 100 selects a communication frequency band from among a plurality of frequency bands (a plurality of channels, etc.). Since this selects the communication frequency band, it is possible to set a frequency that avoids electromagnetic noise.
- the communication control device 100 selects in order from the highest frequency. As a result, by preferentially selecting a high frequency band in which the amount of electromagnetic noise is small, it is possible to set a frequency that avoids electromagnetic noise.
- the communication control device 100 measures the amount of electromagnetic noise in order to estimate the switching area of the communication frequency band and determine the new communication frequency band with the base station outside the vehicle. As a result, the amount of electromagnetic noise is measured before reaching the point where communication frequency switching (H/O) occurs, so it is possible to set a frequency that avoids electromagnetic noise earlier at the start of communication.
- H/O communication frequency switching
- the communication control device 100 identifies the electrical component 60 that is the electromagnetic noise source based on the frequency band in which the amount of electromagnetic noise is equal to or greater than a predetermined value, and sets the operating clock frequency of the electrical component. , to a first frequency band different from the communication frequency band. As a result, the amount of electromagnetic noise in the communication frequency band is measured at the start of communication. It is possible to perform good communication with reduced influence due to
- the communication control device 100 changes the operating clock frequency of the electrical component 60 to the second frequency band when the amount of electromagnetic noise in the first frequency band is equal to or greater than a predetermined value.
- the communication control device 100 sets the second frequency band to a frequency higher than that of the first frequency band.
- the harmonic wave also becomes a high frequency band, and the span between the fundamental wave and the harmonic wave is also widened, so the influence of electromagnetic noise is reduced and good communication is possible. becomes.
- the communication control device 100 decomposes the frequency distribution of the measured electromagnetic noise and identifies the electrical component 60 that is the source of the electromagnetic noise. As a result, by performing the frequency distribution decomposition process, the frequency of the fundamental wave can be identified from the harmonic components, and the electrical equipment that is the electromagnetic noise source can be reliably identified.
- the communication control device 100 changes the operating clock frequency until the control of the electrical component is completed. not performed.
- an electrical component that is an identified source of electromagnetic noise is executing control related to vehicle running, it is possible to maintain vehicle running safety by not changing the operating clock frequency. becomes.
- the communication control device 100 when switching the operating clock frequency of the electrical component 60, notifies the user in advance via the output unit 40 of the switching. By notifying the user in advance when switching the operating clock frequency, it is possible to confirm the user's consent to the switching.
- the communication control device 100 includes one communication control device 100 and a plurality of electrical components 60 in the above-described embodiment, the present disclosure is not limited to this.
- a communication system according to the present disclosure may include one communication control device 100 and one electrical component 60 .
- the communication system according to the present disclosure may include multiple communication control devices 100 and one electrical component 60 .
- the communication control device 100 is mounted on the vehicle in the above embodiment, the present disclosure is not limited to this.
- the communication control device 100 may be installed in various devices other than a vehicle, or may be used by being connected to various devices.
- the communication control techniques described in this disclosure are implemented by a dedicated computer provided by configuring a processor and memory programmed to perform one or more functions embodied by a computer program. good too.
- the communication control techniques described in this disclosure may be implemented by a dedicated computer provided by configuring the processor with one or more dedicated hardware logic circuits.
- the communication control technique described in this disclosure is configured by a combination of a processor and memory programmed to perform one or more functions and a processor configured by one or more hardware logic circuits. It may also be implemented by one or more dedicated computers.
- Computer programs may also be stored as computer-executed instructions on a computer-readable, non-transitory, tangible storage medium. The method of realizing the function of each part of the communication control device 100 does not necessarily include software, and all the functions may be realized using one or more pieces of hardware.
- a plurality of functions possessed by one component in the above embodiment may be realized by a plurality of components, or a function possessed by one component may be realized by a plurality of components. Also, a plurality of functions possessed by a plurality of components may be realized by a single component, or a function realized by a plurality of components may be realized by a single component. Also, part of the configuration of the above embodiment may be omitted. Moreover, at least part of the configuration of the above embodiment may be added or replaced with respect to the configuration of the other above embodiment.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
Abstract
Description
を提供することにある。
本実施形態に係る通信制御装置100の構成について、図1及び図2を参照して説明する。
。
<2.1 第一の実施形態の処理>
第一の実施形態の処理の例について、図4~図6のフローチャートを用いて説明する。
第二の実施形態の処理の例について、図7~図9のフローチャートを用いて説明する。第二の実施形態では、第一の実施形態のようにノイズ周波数を避けて通信周波数を設定(変更)するのではなく、通信周波数を避けてノイズ周波数を設定(変更)する。
[3.効果]
以上、詳述した実施形態によれば、以下の効果を奏する。
以上、本開示の実施形態について説明したが、本開示は上述の実施形態に限定されることなく、種々変形して実施することができる。
100 通信制御装置
10 通信制御部
11 アンテナ
12 アンテナスイッチ
14 ノイズ検出部
16 通信部
20 設定部
30 電装品制御部30
40 出力部
60 電装品
Claims (8)
- 車両と車外基地局との間で通信を開始するときに、車両と車外基地局との通信周波数帯を決定する通信制御装置において、
コックピットモジュール内の各周波数帯の電磁ノイズ量を測定または判定し、
前記電磁ノイズ量に基づいて通信周波数帯を設定し、
設定した前記通信周波数帯を用いて車外基地局との通信を行う、
通信制御装置。 - 車外からのノイズ量を判定することにより車内のノイズを避けた前記通信周波数帯を設定する、
請求項1に記載の通信制御装置。 - 車両の速度に基づいて計測した前記電磁ノイズ量に基づいて、前記通信周波数帯を設定する、
請求項1または2に記載の通信制御装置。 - 車載機器の起動状態を検知し、
前記起動状態に基づいて計測した電磁ノイズ量に基づいて、前記通信周波数帯を設定する、
請求項1乃至3のいずれか一つに記載の通信制御装置。 - 複数の周波数帯の中から前記通信周波数帯を選択する、
請求項1乃至4いずれか一つに記載の通信制御装置。 - 複数の周波数帯から前記通信周波数帯を選択する際、高い周波数から順に選択する、
請求項1乃至5のいずれか一つに記載の通信制御装置。 - 通信周波数帯の切り替えエリアを推定し、新たな車外基地局との通信周波数帯を決定するため、前記電磁ノイズ量を計測する、
請求項1乃至6のいずれか一つに記載の通信制御装置。 - 車両と車外基地局との間で通信を開始するときに、車両と車外基地局との通信周波数帯を決定する通信制御装置において実行される通信制御方法であって、
コックピットモジュール内の各周波数帯の電磁ノイズ量を測定または判定し、
前記電磁ノイズ量に基づいて通信周波数帯を設定し、
設定した前記通信周波数帯を用いて車外基地局との通信を行う、
通信制御方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2021/045005 WO2023105648A1 (ja) | 2021-12-07 | 2021-12-07 | 通信制御装置、および、通信制御方法 |
CN202180104778.5A CN118369701A (zh) | 2021-12-07 | 2021-12-07 | 通信控制装置和通信控制方法 |
JP2023565748A JPWO2023105648A1 (ja) | 2021-12-07 | 2021-12-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2021/045005 WO2023105648A1 (ja) | 2021-12-07 | 2021-12-07 | 通信制御装置、および、通信制御方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023105648A1 true WO2023105648A1 (ja) | 2023-06-15 |
Family
ID=86729927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/045005 WO2023105648A1 (ja) | 2021-12-07 | 2021-12-07 | 通信制御装置、および、通信制御方法 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPWO2023105648A1 (ja) |
CN (1) | CN118369701A (ja) |
WO (1) | WO2023105648A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09135214A (ja) * | 1995-11-13 | 1997-05-20 | Denso Corp | 車載通信装置 |
JPH1186191A (ja) * | 1997-09-10 | 1999-03-30 | Hitachi Ltd | ビーコン移動局装置 |
JP3448651B2 (ja) | 2001-03-05 | 2003-09-22 | 国土交通省国土技術政策総合研究所長 | 周波数選択方式 |
JP2013207546A (ja) * | 2012-03-28 | 2013-10-07 | Denso Corp | 車両用通信装置 |
-
2021
- 2021-12-07 JP JP2023565748A patent/JPWO2023105648A1/ja active Pending
- 2021-12-07 CN CN202180104778.5A patent/CN118369701A/zh active Pending
- 2021-12-07 WO PCT/JP2021/045005 patent/WO2023105648A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09135214A (ja) * | 1995-11-13 | 1997-05-20 | Denso Corp | 車載通信装置 |
JPH1186191A (ja) * | 1997-09-10 | 1999-03-30 | Hitachi Ltd | ビーコン移動局装置 |
JP3448651B2 (ja) | 2001-03-05 | 2003-09-22 | 国土交通省国土技術政策総合研究所長 | 周波数選択方式 |
JP2013207546A (ja) * | 2012-03-28 | 2013-10-07 | Denso Corp | 車両用通信装置 |
Also Published As
Publication number | Publication date |
---|---|
CN118369701A (zh) | 2024-07-19 |
JPWO2023105648A1 (ja) | 2023-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10971008B2 (en) | Safety event message transmission timing in dedicated short-range communication (DSRC) | |
WO2018105225A1 (ja) | 携帯機位置推定システム | |
CN114019943B (zh) | 一种汽车钥匙的能耗控制方法及系统 | |
CN112153739B (zh) | 一种通信方法及装置 | |
WO2018216462A1 (ja) | タイヤ空気圧検出システム | |
CN111505641B (zh) | 无线电信号发送方法和装置 | |
US11736929B2 (en) | Vehicle system, in-vehicle device, and terminal locating method | |
WO2023105648A1 (ja) | 通信制御装置、および、通信制御方法 | |
WO2023105649A1 (ja) | 通信制御装置、および、通信制御方法 | |
US12015970B2 (en) | Communication apparatus, vehicle having the same and control method for controlling the vehicle | |
WO2017051653A1 (ja) | 無線通信装置 | |
US11172546B2 (en) | Wireless device adapted to perform wireless communication | |
JP2017161430A (ja) | 他車両の位置検出装置 | |
JP7259626B2 (ja) | 測距システム、測距方法およびコンピュータプログラム | |
JP5698723B2 (ja) | 車両用電力伝送装置 | |
JP2010154183A (ja) | 車載無線通信装置およびキャリアセンス方法 | |
JP2018179670A (ja) | 周辺監視レーダ装置 | |
JP6439500B2 (ja) | 無線通信システム、無線通信システムの制御方法、及び無線通信装置 | |
JP2016099831A (ja) | 車載機 | |
JP7008868B1 (ja) | 無線装置、無線制御方法、制御回路および記憶媒体 | |
JP2003185444A (ja) | 車載通信装置 | |
US20240172268A1 (en) | Method for Creating a Prioritization of Communications in an Environment | |
JP2018207146A (ja) | 無線装置 | |
KR20160031736A (ko) | 무선 식별 신호를 이용한 자동차의 충돌 방지 장치 및 방법 | |
CN115728575A (zh) | 一种车辆电磁状态检测方法、装置、车辆及存储介质 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21966591 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2023565748 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2021966591 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2021966591 Country of ref document: EP Effective date: 20240708 |