WO2023199405A1 - Mobile station, control circuit, and storage medium - Google Patents

Mobile station, control circuit, and storage medium Download PDF

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Publication number
WO2023199405A1
WO2023199405A1 PCT/JP2022/017607 JP2022017607W WO2023199405A1 WO 2023199405 A1 WO2023199405 A1 WO 2023199405A1 JP 2022017607 W JP2022017607 W JP 2022017607W WO 2023199405 A1 WO2023199405 A1 WO 2023199405A1
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Prior art keywords
connection
mobile station
wireless communication
communication unit
application server
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PCT/JP2022/017607
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French (fr)
Japanese (ja)
Inventor
周作 梅田
麻里 落合
雄 末廣
隆 淺原
進吾 龍
達也 横山
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三菱電機株式会社
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Priority to JP2024515213A priority Critical patent/JPWO2023199405A1/ja
Priority to PCT/JP2022/017607 priority patent/WO2023199405A1/en
Publication of WO2023199405A1 publication Critical patent/WO2023199405A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/14Reselecting a network or an air interface
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/40Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/14Direct-mode setup

Definitions

  • the present disclosure relates to a mobile station that performs wireless communication, a control circuit, and a storage medium.
  • Non-Patent Document 1 discloses a wireless communication technology used in the field of automatic driving.
  • Non-Patent Document 1 describes a technology that enables communication with a destination device by performing a relay connection via another communication device even in a location where direct connection to the destination device is not possible. By using this, it is possible to start pre-processing before moving to a location where it can be directly connected to the destination device.
  • Non-Patent Document 1 the upper system can communicate with the lower system without being aware of it, so the application for realizing specific control requires relay connection. It is not possible to determine whether the destination device is connected by a direct connection or by a direct connection.
  • the present disclosure has been made in view of the above, and aims to provide a mobile station that allows an application to determine whether the type of connection with a destination device is a relay connection or a direct connection. shall be.
  • a mobile station is a mobile station that is mobile and that communicates wirelessly with a destination device directly or by relay connection via another communication device.
  • the wireless communication unit includes a communication unit and an application server unit that performs processing of a layer higher than the wireless communication unit, and the wireless communication unit is configured to perform processing when starting a connection with a destination device and whether the type of connection is a relay connection or a direct connection.
  • the application server unit is notified of connection status information, which is information for specifying the type of connection and the destination device.
  • the mobile station according to the present disclosure has the effect of allowing an application to determine whether the type of connection with a destination device is a relay connection or a direct connection.
  • a diagram showing the configuration of a wireless communication system according to Embodiment 1 Diagram showing the functional configuration of the mobile station shown in Figure 1 Sequence diagram for explaining the operation of the wireless communication system shown in FIG. 1 Sequence diagram for explaining the operation of the wireless communication system according to the second embodiment Sequence diagram for explaining the operation of the wireless communication system according to the third embodiment
  • FIG. 1 is a diagram showing the configuration of a wireless communication system 1 according to the first embodiment.
  • the wireless communication system 1 is, for example, a fifth generation (hereinafter sometimes referred to as "5G") wireless communication system.
  • the wireless communication system 1 includes a mobile station 10, a roadside device 12 having an edge server 11, and roadside devices 13-a to 13-d that are connected by relay between the mobile station 10 and the roadside device 12.
  • 5G fifth generation
  • the wireless communication system 1 includes a mobile station 10, a roadside device 12 having an edge server 11, and roadside devices 13-a to 13-d that are connected by relay between the mobile station 10 and the roadside device 12.
  • roadside machines 13-a to 13-d they will be simply referred to as roadside machines 13.
  • the mobile station 10 has a function of wirelessly communicating with the roadside device 12 and the roadside device 13.
  • the mobile station 10 connects directly to the roadside device 12 when it is in a position where it can be directly connected to the roadside device 12; when it is in a position where it cannot be directly connected to the roadside device 12, the mobile station Relay connection is made to the roadside device 12.
  • FIG. 2 is a diagram showing the functional configuration of the mobile station 10 shown in FIG. 1.
  • Mobile station 10 includes a wireless communication section 110 and an application server section 111.
  • the wireless communication unit 110 communicates with the roadside devices 12 and 13 by direct connection or relay connection via the 5G wireless communication network.
  • the application server unit 111 implements specific control using an application 113 (not shown) that operates in cooperation with the edge server 11 provided in the roadside machine 12.
  • Specific control is, for example, control that is executed when the mobile station 10 is located at a location where it can be directly connected to the roadside device 12, and is executed when the mobile station 10 is located at a location where it cannot be directly connected to the roadside device 12.
  • This control is different from the control that The application server unit 111 performs processing using a protocol at a higher layer than the protocol used by the wireless communication unit 110 to communicate with the roadside devices 12 and 13.
  • the protocol used by the application server unit 111 allows communication without being aware of operations in lower layers.
  • connection status information which is information for specifying the type of connection and the destination device.
  • FIG. 3 is a sequence diagram for explaining the operation of the wireless communication system 1 shown in FIG. 1.
  • the wireless communication unit 110 of the mobile station 10 transmits a connection request to the roadside device 12, which is the destination device (step S101).
  • the roadside device 13 connects with each of the wireless communication unit 110 and the roadside device 12 of the mobile station 10 and functions as a relay roadside device, thereby starting a relay connection (step S102).
  • connection state information is information for specifying the type of connection and the destination device, and the wireless communication unit 110 determines when starting a connection with the destination device and whether the type of connection is a relay connection or a direct connection. Notifies connection status information when switching between
  • the application server unit 111 can control the operation of the mobile station 10 based on the connection state information. Based on the connection state information, if the destination device is a predetermined roadside device 12 and preliminary processing for starting specific control has not been performed yet, the application server unit 111 downloads the application 113 necessary for specific control. It is activated (step S104) and performs pre-processing with the edge server 11 (step S105). Pre-processing is processing performed before performing specific control, and includes, for example, authentication processing. Further, the pre-processing may include, for example, processing of acquiring data used when performing specific control from the edge server 11.
  • the distance between the roadside machine 12 and the mobile station 10 changes.
  • the mobile station 10 approaches the roadside device 12 and moves to a position where it can be directly connected to the roadside device 12
  • a direct connection is started between the mobile station 10 and the roadside device 12 (step S106).
  • the wireless communication unit 110 of the mobile station 10 notifies the application server unit 111 of connection state information indicating that the type of connection with the roadside device 12 has been switched to direct connection (step S107).
  • the application server unit 111 notifies the edge server 11 of the roadside device 12 of the start of specific control based on the connection status information notified in step S107 (step S108), and the mobile station 10 receives the instruction from the edge server 11. Achieve a specific action.
  • the application server unit 111 when the wireless communication unit 110 of the mobile station 10 starts a connection with the roadside device 12 which is a destination device, and when the type of connection is a relay connection or a direct connection, , the application server unit 111 is notified of connection status information, which is information for specifying the type of connection and the destination device.
  • the application server unit 111 of the mobile station 10 can grasp whether the type of connection is a relay connection or a direct connection. Therefore, it is possible to perform preprocessing, which is preparation before starting specific control, before the mobile station 10 can connect directly to the roadside device 12, at the stage of relay connection. . Therefore, when the mobile station 10 moves to a position where it can directly connect to the roadside device 12, it is possible to finish the preliminary processing, and it is possible to shift to specific control immediately after the direct connection. become.
  • Embodiment 2 The configuration of the wireless communication system 1 according to the second embodiment is similar to the configuration of the first embodiment shown in FIG. 1, and the configuration of the mobile station 10 is the same as the configuration of the mobile station 10 according to the first embodiment shown in FIG. The same is true.
  • FIG. 4 is a sequence diagram for explaining the operation of the wireless communication system 1 according to the second embodiment.
  • the operation shown in FIG. 4 starts from a state in which specific control is started between the application server section 111 of the mobile station 10 and the edge server 11 of the roadside machine 12, as shown in step S108.
  • the mobile station 10 After the mobile station 10 is directly connected to the roadside device 12, it executes specific control. After that, when the mobile station 10 moves away from the roadside device 12 and direct connection is no longer possible, the relay connection via the roadside device 13 starts again in the connection between the mobile station 10 and the roadside device 12. (Step S109).
  • the wireless communication unit 110 of the mobile station 10 notifies the application server unit 111 of connection state information indicating that the type of connection with the roadside device 12 has been switched from direct connection to relay connection (step S110). .
  • the application server unit 111 terminates the specific control by terminating the running application 113 according to the connection state information notified in step S110 (step S111), and notifies the edge server 11 of the termination of the specific control. (Step S112).
  • the application 113 is terminated at the timing when the type of connection between the mobile station 10 and the roadside device 12 is switched from a direct connection to a relay connection, thereby establishing a direct connection. It becomes possible to end the specific control at the timing of switching from to relay connection. Therefore, it is possible to implement application control that starts specific control at the timing of switching to direct connection with the roadside device 12 and ends specific control at the timing of switching from direct connection to relay connection.
  • Embodiment 3 The configuration of the wireless communication system 1 according to the third embodiment is the same as that of the first embodiment shown in FIG. 1, and the configuration of the mobile station 10 is the same as that of the mobile station 10 according to the first embodiment shown in FIG. be.
  • FIG. 5 is a sequence diagram for explaining the operation of the wireless communication system 1 according to the third embodiment.
  • the operation shown in FIG. 5 starts from a state in which specific control is started between the application server section 111 of the mobile station 10 and the edge server 11 of the roadside machine 12, as shown in step S108.
  • the mobile station 10 After the mobile station 10 is directly connected to the roadside device 12, it executes specific control. After that, when the mobile station 10 moves away from the roadside device 12 and direct connection is no longer possible, the relay connection via the roadside device 13 starts again in the connection between the mobile station 10 and the roadside device 12. (Step S109).
  • the wireless communication unit 110 of the mobile station 10 notifies the application server unit 111 of connection status information indicating that the connection with the roadside device 12 has been switched from a direct connection to a relay connection (step S110).
  • step S113 when the mobile station 10 moves further toward the roadside device 12 and direct connection becomes possible again, direct connection is started again between the mobile station 10 and the roadside device 12 (step S113).
  • the wireless communication unit 110 of the mobile station 10 notifies the application server unit 111 of connection status information indicating that the type of connection with the roadside device 12 has been switched from relay connection to direct connection (step S114). .
  • the application server unit 111 terminates the specific control by terminating the running application 113 in accordance with the connection status information notified in step S114 (step S115), and notifies the edge server 11 of the termination of the specific control. (Step S116). At this time, the application server unit 111 executes termination processing such as discarding information used for specific control.
  • the application 113 By terminating the specific control, it becomes possible to terminate the specific control at the timing of switching from relay connection to direct connection. Therefore, it is possible to realize application control that starts specific control at the timing of switching to direct connection with the roadside device 12, switches from direct connection to relay connection, and ends specific control at the timing of switching to direct connection again. .
  • the control shown in Embodiment 3 can be applied, for example, to a situation where an entrance is provided in a specific area where specific control is to be performed, and a roadside machine 12 connected to the edge server 11 is installed at the entrance. It can be used in It is conceivable that the mobile station 10 enters a specific area through an entrance, goes around the premises of the particular area, and returns to the entrance. In this case, when the mobile station 10 attempts to enter a specific area from the entrance/exit, it switches from relay connection to direct connection as soon as it approaches the entrance, and while it is circling around the premises of the specific area, it switches from direct connection to relay connection, and when moving When station 10 returns to the entrance/exit, it is assumed that the connection will switch back to direct connection.
  • the functions of the wireless communication section 110 and the application server section 111 of the mobile station 10 are realized by a processing circuit.
  • the processing circuit may be realized by dedicated hardware or may be a control circuit using a CPU (Central Processing Unit).
  • the processing circuit is a control circuit using a CPU.
  • FIG. 6 is a diagram showing dedicated hardware for realizing the functions of the mobile station 10 according to the first to third embodiments.
  • the processing circuit 90 is a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or a combination thereof.
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • FIG. 7 is a diagram showing the configuration of a control circuit 91 for realizing the functions of the mobile station 10 according to the first to third embodiments.
  • the control circuit 91 includes a processor 92 and a memory 93.
  • the processor 92 is a CPU, and is also called an arithmetic unit, microprocessor, microcomputer, DSP (Digital Signal Processor), or the like.
  • the memory 93 is, for example, a non-volatile or volatile semiconductor memory such as RAM (Random Access Memory), ROM (Read Only Memory), flash memory, EPROM (Erasable Programmable ROM), EEPROM (registered trademark) (Electrically EPROM), These include magnetic disks, flexible disks, optical disks, compact disks, mini disks, and DVDs (Digital Versatile Disks).
  • RAM Random Access Memory
  • ROM Read Only Memory
  • flash memory EPROM (Erasable Programmable ROM), EEPROM (registered trademark) (Electrically EPROM)
  • magnetic disks flexible disks, optical disks, compact disks, mini disks, and DVDs (Digital Versatile Disks).
  • the control circuit 91 When the above processing circuit is implemented by the control circuit 91, it is implemented by the processor 92 reading and executing a program stored in the memory 93 that corresponds to the processing of each component.
  • the memory 93 is also used as a temporary memory in each process executed by the processor 92.
  • the program executed by the processor 92 may be provided in a state stored in a storage medium, or may be provided via a communication path.
  • processing circuit may be realized by combining dedicated hardware and a control circuit using a CPU.
  • the mobile station 10 may be a mobile terminal whose position changes as a person moves while carrying it, or a mobile station such as a vehicle such as a car or a train, or a mobile object such as a robot. Good too.
  • the mobile station 10 is a mobile body and has an automatic driving function
  • the above implementation is performed in order to perform automatic driving at a higher level only in a specific area where it can be directly connected to the roadside unit 12 than in other areas.
  • the specific control is a control that deploys dynamic map information and operation instruction information to the application server unit 111 and causes a higher level of automatic driving to be performed in a specific area than in other areas.
  • the communication partner devices of the mobile station 10 are the roadside machines 12 and 13, but the communication partner devices of the mobile station 10 are not limited to the roadside machines 12 and 13.
  • the communication partner device of the mobile station 10 only needs to have a wireless communication function.
  • the communication partner device of the mobile station 10 is not limited to the roadside devices 12 and 13, but may be a base station.

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Abstract

Provided is a mobile station (10) characterized by comprising: a wireless communication unit (110) that wirelessly communicates, through a direct connection or a relay connection via another communication device, with a destination device; and an application server unit (111) that performs higher layer processing than the wireless communication unit (110), wherein the wireless communication unit (110) notifies the application server unit (111) of connection state information that is information for specifying the type of connection and the destination device, when starting the connection with the destination device and when the type of connection switches between the relay connection and the direct connection.

Description

移動局、制御回路、および、記憶媒体Mobile station, control circuit, and storage medium
 本開示は、無線通信を行う移動局、制御回路、および、記憶媒体に関する。 The present disclosure relates to a mobile station that performs wireless communication, a control circuit, and a storage medium.
 近年、自動車やロボットなどの移動体の自動運転技術が進展している。また、移動体の位置に応じて異なる機能を提供するために、位置に応じて制御内容を変更することが考えられる。位置に応じた制御内容の変更を実現する方法の1つに、無線通信を使用して、特定の路側機のような予め定められた装置と接続した際に特定の制御を行うようにする方法が考えられる。非特許文献1には、自動運転の分野で利用される無線通信技術が開示されている。 In recent years, autonomous driving technology for moving objects such as cars and robots has progressed. Furthermore, in order to provide different functions depending on the position of the moving body, it is conceivable to change the control content depending on the position. One way to change the control content depending on the location is to use wireless communication to perform specific control when connected to a predetermined device such as a specific roadside device. is possible. Non-Patent Document 1 discloses a wireless communication technology used in the field of automatic driving.
 しかしながら、上記従来の技術によれば、特定の制御を行う前の事前処理に時間がかかる場合、予め定められた装置と接続してから特定の制御を開始するために時間がかかってしまうという問題があった。非特許文献1には、宛先装置と直接接続できない位置においても、他の通信装置を介してリレー接続を行うことにより、宛先装置と通信可能にする技術が記載されており、リレー接続の技術を使用することで、宛先装置と直接接続することができる位置に移動するよりも前に、事前処理を開始させることが考えられる。 However, according to the above conventional technology, if pre-processing before performing specific control takes time, there is a problem that it takes time to start specific control after connecting with a predetermined device. was there. Non-Patent Document 1 describes a technology that enables communication with a destination device by performing a relay connection via another communication device even in a location where direct connection to the destination device is not possible. By using this, it is possible to start pre-processing before moving to a location where it can be directly connected to the destination device.
 しかしながら、非特許文献1に開示された技術では、上位のシステムが下位のシステムを意識せずに通信することができるようになっているため、特定の制御を実現するためのアプリケーションは、リレー接続によって宛先装置と接続しているのか、直接接続によって宛先装置と接続しているのかを判別することができない。 However, in the technology disclosed in Non-Patent Document 1, the upper system can communicate with the lower system without being aware of it, so the application for realizing specific control requires relay connection. It is not possible to determine whether the destination device is connected by a direct connection or by a direct connection.
 本開示は、上記に鑑みてなされたものであって、アプリケーションが宛先装置との接続の種別がリレー接続であるのか直接接続であるのかを判別することを可能にする移動局を得ることを目的とする。 The present disclosure has been made in view of the above, and aims to provide a mobile station that allows an application to determine whether the type of connection with a destination device is a relay connection or a direct connection. shall be.
 上述した課題を解決し、目的を達成するために、本開示にかかる移動局は、移動可能であって、宛先装置と直接接続、または、他の通信装置を介したリレー接続によって無線通信する無線通信部と、無線通信部よりも上位レイヤの処理を行うアプリケーションサーバ部と、を備え、無線通信部は、宛先装置との接続を開始するとき、および、接続の種別がリレー接続と直接接続との間で切り替わるとき、接続の種別および宛先装置を特定するための情報である接続状態情報をアプリケーションサーバ部に通知することを特徴とする。 In order to solve the above-mentioned problems and achieve the objectives, a mobile station according to the present disclosure is a mobile station that is mobile and that communicates wirelessly with a destination device directly or by relay connection via another communication device. The wireless communication unit includes a communication unit and an application server unit that performs processing of a layer higher than the wireless communication unit, and the wireless communication unit is configured to perform processing when starting a connection with a destination device and whether the type of connection is a relay connection or a direct connection. When switching between the two, the application server unit is notified of connection status information, which is information for specifying the type of connection and the destination device.
 本開示にかかる移動局は、アプリケーションが宛先装置との接続の種別がリレー接続であるのか直接接続であるのかを判別することを可能にすることができるという効果を奏する。 The mobile station according to the present disclosure has the effect of allowing an application to determine whether the type of connection with a destination device is a relay connection or a direct connection.
実施の形態1にかかる無線通信システムの構成を示す図A diagram showing the configuration of a wireless communication system according to Embodiment 1 図1に示す移動局の機能構成を示す図Diagram showing the functional configuration of the mobile station shown in Figure 1 図1に示す無線通信システムの動作を説明するためのシーケンス図Sequence diagram for explaining the operation of the wireless communication system shown in FIG. 1 実施の形態2にかかる無線通信システムの動作を説明するためのシーケンス図Sequence diagram for explaining the operation of the wireless communication system according to the second embodiment 実施の形態3にかかる無線通信システムの動作を説明するためのシーケンス図Sequence diagram for explaining the operation of the wireless communication system according to the third embodiment 実施の形態1~3にかかる移動局の機能を実現するための専用のハードウェアを示す図A diagram showing dedicated hardware for realizing the functions of the mobile station according to Embodiments 1 to 3. 実施の形態1~3にかかる移動局の機能を実現するための制御回路の構成を示す図A diagram showing the configuration of a control circuit for realizing the functions of the mobile station according to Embodiments 1 to 3.
 以下に、本開示の実施の形態にかかる移動局、制御回路、および、記憶媒体を図面に基づいて詳細に説明する。 Below, a mobile station, a control circuit, and a storage medium according to an embodiment of the present disclosure will be described in detail based on the drawings.
実施の形態1.
 図1は、実施の形態1にかかる無線通信システム1の構成を示す図である。無線通信システム1は、例えば、第5世代(以下「5G」と称する場合がある)無線通信システムである。無線通信システム1は、移動局10と、エッジサーバ11を有する路側機12と、移動局10および路側機12の間でリレー接続する路側機13-a~13-dとを有する。以下、路側機13-a~13-dのそれぞれを区別する必要がない場合、単に路側機13と称する。
Embodiment 1.
FIG. 1 is a diagram showing the configuration of a wireless communication system 1 according to the first embodiment. The wireless communication system 1 is, for example, a fifth generation (hereinafter sometimes referred to as "5G") wireless communication system. The wireless communication system 1 includes a mobile station 10, a roadside device 12 having an edge server 11, and roadside devices 13-a to 13-d that are connected by relay between the mobile station 10 and the roadside device 12. Hereinafter, when there is no need to distinguish each of the roadside machines 13-a to 13-d, they will be simply referred to as roadside machines 13.
 移動局10は、路側機12および路側機13と無線通信する機能を有する。移動局10は、路側機12と直接接続することが可能な位置にいる場合、路側機12と直接接続し、路側機12と直接接続することができない位置にいる場合、路側機13を介して路側機12とリレー接続する。 The mobile station 10 has a function of wirelessly communicating with the roadside device 12 and the roadside device 13. The mobile station 10 connects directly to the roadside device 12 when it is in a position where it can be directly connected to the roadside device 12; when it is in a position where it cannot be directly connected to the roadside device 12, the mobile station Relay connection is made to the roadside device 12.
 図2は、図1に示す移動局10の機能構成を示す図である。移動局10は、無線通信部110とアプリケーションサーバ部111とを有する。無線通信部110は、5G無線通信網を介して路側機12,13と直接接続またはリレー接続によって通信する。 FIG. 2 is a diagram showing the functional configuration of the mobile station 10 shown in FIG. 1. Mobile station 10 includes a wireless communication section 110 and an application server section 111. The wireless communication unit 110 communicates with the roadside devices 12 and 13 by direct connection or relay connection via the 5G wireless communication network.
 アプリケーションサーバ部111は、路側機12に備わるエッジサーバ11と連携して動作するアプリケーション113(不図示)を用いて特定制御を実現させる。特定制御は、例えば、移動局10が路側機12と直接接続可能な位置に存在するときに実行される制御であり、移動局10が路側機12と直接接続できない位置に存在するときに実行される制御とは異なる制御である。アプリケーションサーバ部111は、無線通信部110が路側機12,13との通信に使用するプロトコルよりも上位レイヤのプロトコルを使用した処理を行う。アプリケーションサーバ部111が使用するプロトコルは、下位レイヤにおける動作を意識せずに通信することが可能である。このため、アプリケーション113内では、無線通信部110が宛先装置と直接接続しているのかリレー接続しているのかを判別することができない。そこで、実施の形態1では、無線通信部110が接続の種別と、宛先装置とを特定するための情報である接続状態情報をアプリケーションサーバ部111に通知するものとする。 The application server unit 111 implements specific control using an application 113 (not shown) that operates in cooperation with the edge server 11 provided in the roadside machine 12. Specific control is, for example, control that is executed when the mobile station 10 is located at a location where it can be directly connected to the roadside device 12, and is executed when the mobile station 10 is located at a location where it cannot be directly connected to the roadside device 12. This control is different from the control that The application server unit 111 performs processing using a protocol at a higher layer than the protocol used by the wireless communication unit 110 to communicate with the roadside devices 12 and 13. The protocol used by the application server unit 111 allows communication without being aware of operations in lower layers. Therefore, within the application 113, it is not possible to determine whether the wireless communication unit 110 is directly connected to the destination device or connected by relay. Therefore, in the first embodiment, it is assumed that the wireless communication unit 110 notifies the application server unit 111 of connection status information, which is information for specifying the type of connection and the destination device.
 図3は、図1に示す無線通信システム1の動作を説明するためのシーケンス図である。移動局10の無線通信部110は、宛先装置である路側機12との接続要求を送信する(ステップS101)。接続要求に応じて、路側機13が移動局10の無線通信部110および路側機12のそれぞれと接続してリレー路側機として機能することによって、リレー接続を開始する(ステップS102)。 FIG. 3 is a sequence diagram for explaining the operation of the wireless communication system 1 shown in FIG. 1. The wireless communication unit 110 of the mobile station 10 transmits a connection request to the roadside device 12, which is the destination device (step S101). In response to the connection request, the roadside device 13 connects with each of the wireless communication unit 110 and the roadside device 12 of the mobile station 10 and functions as a relay roadside device, thereby starting a relay connection (step S102).
 移動局10の無線通信部110は、リレー接続する路側機13と接続すると、路側機12とリレー接続したことを示す接続状態情報をアプリケーションサーバ部111に通知する(ステップS103)。接続状態情報は、接続の種別と、宛先装置とを特定するための情報であり、無線通信部110は、宛先装置との接続を開始するとき、および、接続の種別がリレー接続と直接接続との間で切り替わるとき、接続状態情報を通知する。 When the wireless communication unit 110 of the mobile station 10 connects with the roadside device 13 for relay connection, it notifies the application server unit 111 of connection state information indicating that the relay connection is established with the roadside device 12 (step S103). The connection state information is information for specifying the type of connection and the destination device, and the wireless communication unit 110 determines when starting a connection with the destination device and whether the type of connection is a relay connection or a direct connection. Notifies connection status information when switching between
 アプリケーションサーバ部111は、接続状態情報に基づいて、移動局10の動作を制御することができる。アプリケーションサーバ部111は、接続状態情報に基づいて、宛先装置が予め定められた路側機12であり、未だ特定制御を開始するための事前処理を行っていない場合、特定制御に必要なアプリケーション113を起動し(ステップS104)、エッジサーバ11との間で事前処理を実行する(ステップS105)。事前処理は、特定制御を行う上で事前に行う処理であり、例えば、認証処理などを含む。また、事前処理は、例えば、特定制御を行う際に使用するデータをエッジサーバ11から取得する処理を含んでもよい。 The application server unit 111 can control the operation of the mobile station 10 based on the connection state information. Based on the connection state information, if the destination device is a predetermined roadside device 12 and preliminary processing for starting specific control has not been performed yet, the application server unit 111 downloads the application 113 necessary for specific control. It is activated (step S104) and performs pre-processing with the edge server 11 (step S105). Pre-processing is processing performed before performing specific control, and includes, for example, authentication processing. Further, the pre-processing may include, for example, processing of acquiring data used when performing specific control from the edge server 11.
 移動局10が移動すると、路側機12と移動局10との間の距離は変化する。移動局10が路側機12に近づき、路側機12と直接接続することが可能な位置に移動すると、移動局10と路側機12との間で直接接続を開始する(ステップS106)。移動局10の無線通信部110は、路側機12との接続の種類が直接接続に切り替わったことを示す接続状態情報をアプリケーションサーバ部111に通知する(ステップS107)。 When the mobile station 10 moves, the distance between the roadside machine 12 and the mobile station 10 changes. When the mobile station 10 approaches the roadside device 12 and moves to a position where it can be directly connected to the roadside device 12, a direct connection is started between the mobile station 10 and the roadside device 12 (step S106). The wireless communication unit 110 of the mobile station 10 notifies the application server unit 111 of connection state information indicating that the type of connection with the roadside device 12 has been switched to direct connection (step S107).
 アプリケーションサーバ部111は、ステップS107で通知された接続状態情報に基づいて、路側機12のエッジサーバ11に特定制御の開始を通知し(ステップS108)、移動局10は、エッジサーバ11に指示された特定の動作を実現する。 The application server unit 111 notifies the edge server 11 of the roadside device 12 of the start of specific control based on the connection status information notified in step S107 (step S108), and the mobile station 10 receives the instruction from the edge server 11. Achieve a specific action.
 以上説明したように、実施の形態1によれば、移動局10の無線通信部110は、宛先装置である路側機12との接続を開始するとき、および、接続の種別がリレー接続と直接接続との間で切り替わるとき、接続の種別および宛先装置を特定するための情報である接続状態情報をアプリケーションサーバ部111に通知する。このような構成を有することにより、移動局10のアプリケーションサーバ部111は、接続の種別がリレー接続であるか直接接続であるかを把握することが可能になる。したがって、特定制御を開始する前の準備である事前処理を、移動局10が路側機12と直接接続することができるようになる前、リレー接続をしている段階で実行することが可能になる。このため、移動局10が路側機12と直接接続することが可能な位置に移動したときには、事前処理を終わらせておくことが可能になり、直接接続した直後に特定制御へ移行することが可能になる。 As described above, according to the first embodiment, when the wireless communication unit 110 of the mobile station 10 starts a connection with the roadside device 12 which is a destination device, and when the type of connection is a relay connection or a direct connection, , the application server unit 111 is notified of connection status information, which is information for specifying the type of connection and the destination device. With such a configuration, the application server unit 111 of the mobile station 10 can grasp whether the type of connection is a relay connection or a direct connection. Therefore, it is possible to perform preprocessing, which is preparation before starting specific control, before the mobile station 10 can connect directly to the roadside device 12, at the stage of relay connection. . Therefore, when the mobile station 10 moves to a position where it can directly connect to the roadside device 12, it is possible to finish the preliminary processing, and it is possible to shift to specific control immediately after the direct connection. become.
実施の形態2.
 実施の形態2にかかる無線通信システム1の構成は図1に示す実施の形態1の構成と同様であり、移動局10の構成は図2に示す実施の形態1にかかる移動局10の構成と同様である。図4は、実施の形態2にかかる無線通信システム1の動作を説明するためのシーケンス図である。
Embodiment 2.
The configuration of the wireless communication system 1 according to the second embodiment is similar to the configuration of the first embodiment shown in FIG. 1, and the configuration of the mobile station 10 is the same as the configuration of the mobile station 10 according to the first embodiment shown in FIG. The same is true. FIG. 4 is a sequence diagram for explaining the operation of the wireless communication system 1 according to the second embodiment.
 図4に示す動作は、ステップS108に示したように、移動局10のアプリケーションサーバ部111と路側機12のエッジサーバ11との間で特定制御が開始された状態から開始する。移動局10は、路側機12と直接接続した後、特定制御を実行する。その後、移動局10が路側機12から離れる方向に移動して、直接接続することができなくなると、移動局10と路側機12との間の接続において路側機13を介したリレー接続が再び開始される(ステップS109)。このとき、移動局10の無線通信部110は、路側機12との間の接続の種別が直接接続からリレー接続に切り替わったことを示す接続状態情報をアプリケーションサーバ部111に通知する(ステップS110)。 The operation shown in FIG. 4 starts from a state in which specific control is started between the application server section 111 of the mobile station 10 and the edge server 11 of the roadside machine 12, as shown in step S108. After the mobile station 10 is directly connected to the roadside device 12, it executes specific control. After that, when the mobile station 10 moves away from the roadside device 12 and direct connection is no longer possible, the relay connection via the roadside device 13 starts again in the connection between the mobile station 10 and the roadside device 12. (Step S109). At this time, the wireless communication unit 110 of the mobile station 10 notifies the application server unit 111 of connection state information indicating that the type of connection with the roadside device 12 has been switched from direct connection to relay connection (step S110). .
 アプリケーションサーバ部111は、ステップS110において通知される接続状態情報に応じて、起動中のアプリケーション113を終了することによって特定制御を終了させ(ステップS111)、エッジサーバ11に特定制御の終了を通知する(ステップS112)。 The application server unit 111 terminates the specific control by terminating the running application 113 according to the connection state information notified in step S110 (step S111), and notifies the edge server 11 of the termination of the specific control. (Step S112).
 以上説明したように、実施の形態2によれば、移動局10と路側機12との間の接続の種別が直接接続からリレー接続に切り替わったタイミングで、アプリケーション113を終了させることによって、直接接続からリレー接続に切り替わるタイミングにおいて、特定制御を終了させることが可能になる。したがって、路側機12と直接接続への切り替わりタイミングで特定制御を開始し、直接接続からリレー接続に切り替わったタイミングで特定制御を終了させるアプリケーション制御を実現することが可能になる。 As explained above, according to the second embodiment, the application 113 is terminated at the timing when the type of connection between the mobile station 10 and the roadside device 12 is switched from a direct connection to a relay connection, thereby establishing a direct connection. It becomes possible to end the specific control at the timing of switching from to relay connection. Therefore, it is possible to implement application control that starts specific control at the timing of switching to direct connection with the roadside device 12 and ends specific control at the timing of switching from direct connection to relay connection.
実施の形態3.
 実施の形態3にかかる無線通信システム1の構成は図1に示す実施の形態1と同様であり、移動局10の構成は図2に示す実施の形態1にかかる移動局10の構成と同様である。図5は、実施の形態3にかかる無線通信システム1の動作を説明するためのシーケンス図である。
Embodiment 3.
The configuration of the wireless communication system 1 according to the third embodiment is the same as that of the first embodiment shown in FIG. 1, and the configuration of the mobile station 10 is the same as that of the mobile station 10 according to the first embodiment shown in FIG. be. FIG. 5 is a sequence diagram for explaining the operation of the wireless communication system 1 according to the third embodiment.
 図5に示す動作は、ステップS108に示したように、移動局10のアプリケーションサーバ部111と路側機12のエッジサーバ11との間で特定制御が開始された状態から開始する。移動局10は、路側機12と直接接続した後、特定制御を実行する。その後、移動局10が路側機12から離れる方向に移動して、直接接続することができなくなると、移動局10と路側機12との間の接続において路側機13を介したリレー接続が再び開始される(ステップS109)。このとき、移動局10の無線通信部110は、路側機12との間の接続が直接接続からリレー接続に切り替わったことを示す接続状態情報をアプリケーションサーバ部111に通知する(ステップS110)。 The operation shown in FIG. 5 starts from a state in which specific control is started between the application server section 111 of the mobile station 10 and the edge server 11 of the roadside machine 12, as shown in step S108. After the mobile station 10 is directly connected to the roadside device 12, it executes specific control. After that, when the mobile station 10 moves away from the roadside device 12 and direct connection is no longer possible, the relay connection via the roadside device 13 starts again in the connection between the mobile station 10 and the roadside device 12. (Step S109). At this time, the wireless communication unit 110 of the mobile station 10 notifies the application server unit 111 of connection status information indicating that the connection with the roadside device 12 has been switched from a direct connection to a relay connection (step S110).
 その後、さらに移動局10が路側機12に近づく方向に移動して、再び直接接続することが可能になると、移動局10と路側機12との間で直接接続が再び開始される(ステップS113)。このとき、移動局10の無線通信部110は、路側機12との間の接続の種別がリレー接続から直接接続に切り替わったことを示す接続状態情報をアプリケーションサーバ部111に通知する(ステップS114)。 After that, when the mobile station 10 moves further toward the roadside device 12 and direct connection becomes possible again, direct connection is started again between the mobile station 10 and the roadside device 12 (step S113). . At this time, the wireless communication unit 110 of the mobile station 10 notifies the application server unit 111 of connection status information indicating that the type of connection with the roadside device 12 has been switched from relay connection to direct connection (step S114). .
 アプリケーションサーバ部111は、ステップS114において通知される接続状態情報に応じて、起動中のアプリケーション113を終了させることによって特定制御を終了させ(ステップS115)、エッジサーバ11に特定制御の終了を通知する(ステップS116)。このとき、アプリケーションサーバ部111は、特定制御に使用していた情報の破棄などの終了処理を実行する。 The application server unit 111 terminates the specific control by terminating the running application 113 in accordance with the connection status information notified in step S114 (step S115), and notifies the edge server 11 of the termination of the specific control. (Step S116). At this time, the application server unit 111 executes termination processing such as discarding information used for specific control.
 以上説明したように、実施の形態3によれば、移動局10と路側機12との間の接続の種別が直接接続からリレー接続に切り替わった後、再び直接接続に切り替わったタイミングで、アプリケーション113を終了させることによって、リレー接続から直接接続に切り替わるタイミングにおいて、特定制御を終了させることが可能になる。したがって、路側機12と直接接続への切り替わりタイミングで特定制御を開始し、直接接続からリレー接続に切り替わり、再び直接接続に切り替わったタイミングで特定制御を終了させるアプリケーション制御を実現することが可能になる。 As described above, according to the third embodiment, after the type of connection between the mobile station 10 and the roadside device 12 is switched from a direct connection to a relay connection, the application 113 By terminating the specific control, it becomes possible to terminate the specific control at the timing of switching from relay connection to direct connection. Therefore, it is possible to realize application control that starts specific control at the timing of switching to direct connection with the roadside device 12, switches from direct connection to relay connection, and ends specific control at the timing of switching to direct connection again. .
 実施の形態3に示したような制御は、例えば、特定制御を行わせたい特定エリアに出入口が設けられており、エッジサーバ11に接続された路側機12が出入口に設置されているような場面で用いることができる。移動局10は、出入口から特定エリアに入り、特定エリアの構内を周回して、また出入口に戻ってくるといった動きを行うことが考えられる。この場合、移動局10が出入口から特定エリアに入ろうと、出入口に近づいた時点でリレー接続から直接接続に切り替わり、特定エリアの構内を周回している間に、直接接続からリレー接続に切り替わり、移動局10が出入口に戻ってくると再び直接接続に切り替わると考えられる。実施の形態3に示した制御によれば、移動局10が出入口から特定エリアに入ると特定制御を開始し、再び出入口に戻ってきて路側機12と直接接続したタイミングで特定制御を終了させることが可能になる。 The control shown in Embodiment 3 can be applied, for example, to a situation where an entrance is provided in a specific area where specific control is to be performed, and a roadside machine 12 connected to the edge server 11 is installed at the entrance. It can be used in It is conceivable that the mobile station 10 enters a specific area through an entrance, goes around the premises of the particular area, and returns to the entrance. In this case, when the mobile station 10 attempts to enter a specific area from the entrance/exit, it switches from relay connection to direct connection as soon as it approaches the entrance, and while it is circling around the premises of the specific area, it switches from direct connection to relay connection, and when moving When station 10 returns to the entrance/exit, it is assumed that the connection will switch back to direct connection. According to the control shown in Embodiment 3, when the mobile station 10 enters the specific area from the entrance/exit, the specific control is started, and the specific control is ended when the mobile station 10 returns to the entrance/exit and connects directly with the roadside device 12. becomes possible.
 続いて、実施の形態1~3にかかる移動局10のハードウェア構成について説明する。移動局10の無線通信部110およびアプリケーションサーバ部111の機能は、処理回路により実現される。無線通信部110について、処理回路は、専用のハードウェアにより実現されてもよいし、CPU(Central Processing Unit)を用いた制御回路であってもよい。アプリケーションサーバ部111について、処理回路は、CPUを用いた制御回路である。 Next, the hardware configuration of the mobile station 10 according to the first to third embodiments will be explained. The functions of the wireless communication section 110 and the application server section 111 of the mobile station 10 are realized by a processing circuit. Regarding the wireless communication unit 110, the processing circuit may be realized by dedicated hardware or may be a control circuit using a CPU (Central Processing Unit). Regarding the application server unit 111, the processing circuit is a control circuit using a CPU.
 上記の処理回路が、専用のハードウェアにより実現される場合、これらは、図6に示す処理回路90により実現される。図6は、実施の形態1~3にかかる移動局10の機能を実現するための専用のハードウェアを示す図である。処理回路90は、単一回路、複合回路、プログラム化したプロセッサ、並列プログラム化したプロセッサ、ASIC(Application Specific Integrated Circuit)、FPGA(Field Programmable Gate Array)、またはこれらを組み合わせたものである。 When the above processing circuits are realized by dedicated hardware, they are realized by the processing circuit 90 shown in FIG. 6. FIG. 6 is a diagram showing dedicated hardware for realizing the functions of the mobile station 10 according to the first to third embodiments. The processing circuit 90 is a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or a combination thereof.
 上記の処理回路が、CPUを用いた制御回路で実現される場合、この制御回路は例えば図7に示す構成の制御回路91である。図7は、実施の形態1~3にかかる移動局10の機能を実現するための制御回路91の構成を示す図である。図7に示すように、制御回路91は、プロセッサ92と、メモリ93とを備える。プロセッサ92は、CPUであり、演算装置、マイクロプロセッサ、マイクロコンピュータ、DSP(Digital Signal Processor)などとも呼ばれる。メモリ93は、例えば、RAM(Random Access Memory)、ROM(Read Only Memory)、フラッシュメモリ、EPROM(Erasable Programmable ROM)、EEPROM(登録商標)(Electrically EPROM)などの不揮発性または揮発性の半導体メモリ、磁気ディスク、フレキシブルディスク、光ディスク、コンパクトディスク、ミニディスク、DVD(Digital Versatile Disk)などである。 When the above processing circuit is realized by a control circuit using a CPU, this control circuit is, for example, a control circuit 91 having the configuration shown in FIG. 7. FIG. 7 is a diagram showing the configuration of a control circuit 91 for realizing the functions of the mobile station 10 according to the first to third embodiments. As shown in FIG. 7, the control circuit 91 includes a processor 92 and a memory 93. The processor 92 is a CPU, and is also called an arithmetic unit, microprocessor, microcomputer, DSP (Digital Signal Processor), or the like. The memory 93 is, for example, a non-volatile or volatile semiconductor memory such as RAM (Random Access Memory), ROM (Read Only Memory), flash memory, EPROM (Erasable Programmable ROM), EEPROM (registered trademark) (Electrically EPROM), These include magnetic disks, flexible disks, optical disks, compact disks, mini disks, and DVDs (Digital Versatile Disks).
 上記の処理回路が制御回路91により実現される場合、プロセッサ92がメモリ93に記憶された、各構成要素の処理に対応するプログラムを読み出して実行することにより実現される。また、メモリ93は、プロセッサ92が実行する各処理における一時メモリとしても使用される。なお、プロセッサ92が実行するプログラムは、記憶媒体に記憶された状態で提供されてもよいし、通信路を介して提供されてもよい。 When the above processing circuit is implemented by the control circuit 91, it is implemented by the processor 92 reading and executing a program stored in the memory 93 that corresponds to the processing of each component. The memory 93 is also used as a temporary memory in each process executed by the processor 92. Note that the program executed by the processor 92 may be provided in a state stored in a storage medium, or may be provided via a communication path.
 なお、処理回路は、専用のハードウェアとCPUを用いた制御回路とを組み合わせることによって実現されてもよい。 Note that the processing circuit may be realized by combining dedicated hardware and a control circuit using a CPU.
 以上の実施の形態に示した構成は、一例を示すものであり、別の公知の技術と組み合わせることも可能であるし、実施の形態同士を組み合わせることも可能であるし、要旨を逸脱しない範囲で、構成の一部を省略、変更することも可能である。 The configurations shown in the embodiments above are merely examples, and can be combined with other known techniques, or can be combined with other embodiments, within the scope of the gist. It is also possible to omit or change part of the configuration.
 例えば、移動局10は、携帯端末であって人が携帯して移動することによって位置が変化するものであってもよいし、自動車、列車などの車両や、ロボットのような移動体であってもよい。移動局10が移動体であって、自動運転機能を有する場合、路側機12と直接接続可能な特定のエリアにおいてのみ、他のエリアよりも高いレベルの自動運転を行わせるために上記の実施の形態において説明した技術を用いることが考えられる。この場合、特定制御は、ダイナミックマップ情報および動作指示情報をアプリケーションサーバ部111に展開し、特定エリアにおいて、他のエリアよりも高いレベルの自動運転を実施させる制御である。 For example, the mobile station 10 may be a mobile terminal whose position changes as a person moves while carrying it, or a mobile station such as a vehicle such as a car or a train, or a mobile object such as a robot. Good too. When the mobile station 10 is a mobile body and has an automatic driving function, the above implementation is performed in order to perform automatic driving at a higher level only in a specific area where it can be directly connected to the roadside unit 12 than in other areas. It is conceivable to use the technique described in the embodiment. In this case, the specific control is a control that deploys dynamic map information and operation instruction information to the application server unit 111 and causes a higher level of automatic driving to be performed in a specific area than in other areas.
 また、上記の実施の形態では、移動局10の通信相手装置は、路側機12,13であることとしたが、移動局10の通信相手装置は、路側機12,13に限定されない。移動局10の通信相手装置は、無線通信機能を有していればよい。例えば、移動局10の通信相手装置は、路側機12,13に限らず、基地局であってもよい。 Furthermore, in the above embodiment, the communication partner devices of the mobile station 10 are the roadside machines 12 and 13, but the communication partner devices of the mobile station 10 are not limited to the roadside machines 12 and 13. The communication partner device of the mobile station 10 only needs to have a wireless communication function. For example, the communication partner device of the mobile station 10 is not limited to the roadside devices 12 and 13, but may be a base station.
 1 無線通信システム、10 移動局、11 エッジサーバ、12,13,13-a~13-d 路側機、90 処理回路、91 制御回路、92 プロセッサ、93 メモリ、110 無線通信部、111 アプリケーションサーバ部、113 アプリケーション。 1 Wireless communication system, 10 Mobile station, 11 Edge server, 12, 13, 13-a to 13-d Roadside machine, 90 Processing circuit, 91 Control circuit, 92 Processor, 93 Memory, 110 Wireless communication section, 111 Application server section , 113 Application.

Claims (6)

  1.  移動可能な移動局であって、
     宛先装置と直接接続、または、他の通信装置を介したリレー接続によって無線通信する無線通信部と、
     前記無線通信部よりも上位レイヤの処理を行うアプリケーションサーバ部と、
     を備え、
     前記無線通信部は、前記宛先装置との接続を開始するとき、および、接続の種別がリレー接続と直接接続との間で切り替わるとき、前記接続の種別および前記宛先装置を特定するための情報である接続状態情報を前記アプリケーションサーバ部に通知することを特徴とする移動局。
    A movable mobile station,
    a wireless communication unit that wirelessly communicates with a destination device by direct connection or by relay connection via another communication device;
    an application server unit that performs processing of a layer higher than the wireless communication unit;
    Equipped with
    The wireless communication unit includes information for identifying the type of connection and the destination device when starting a connection with the destination device and when the type of connection is switched between a relay connection and a direct connection. A mobile station characterized in that it notifies the application server unit of certain connection state information.
  2.  前記アプリケーションサーバ部は、前記無線通信部が予め定められた装置と直接接続したとき、前記無線通信部が前記予め定められた装置と直接接続できないときに行う制御とは異なる特定制御を行い、前記接続状態情報に基づいて、前記宛先装置が前記予め定められた装置であり前記接続の種別がリレー接続である場合、前記特定制御を実行する前に行う事前処理を開始することを特徴とする請求項1に記載の移動局。 The application server unit performs specific control when the wireless communication unit directly connects with the predetermined device from the control performed when the wireless communication unit cannot directly connect with the predetermined device, and Based on connection state information, if the destination device is the predetermined device and the type of connection is a relay connection, preprocessing is started before executing the specific control. The mobile station according to item 1.
  3.  前記アプリケーションサーバ部は、前記無線通信部と前記予め定められた装置との間の接続の種別が直接接続からリレー接続に切り替わったタイミングで通知される前記接続状態情報に応じて、前記特定制御を終了させることを特徴とする請求項2に記載の移動局。 The application server section performs the specific control according to the connection state information notified at the timing when the type of connection between the wireless communication section and the predetermined device is switched from a direct connection to a relay connection. The mobile station according to claim 2, characterized in that the mobile station is terminated.
  4.  前記アプリケーションサーバ部は、前記無線通信部と前記予め定められた装置との間の接続の種別が、直接接続からリレー接続に切り替わり、さらにリレー接続から直接接続に切り替わったタイミングで通知される前記接続状態情報に応じて、前記特定制御を終了させることを特徴とする請求項2に記載の移動局。 The application server unit is configured to detect the connection, which is notified at the timing when the type of connection between the wireless communication unit and the predetermined device switches from a direct connection to a relay connection, and further switches from the relay connection to a direct connection. The mobile station according to claim 2, wherein the specific control is terminated depending on state information.
  5.  宛先装置と直接接続、または、他の通信装置を介したリレー接続によって無線通信する無線通信部と、
     前記無線通信部よりも上位レイヤの処理を行うアプリケーションサーバ部と、
     を備え、移動可能な移動局を制御する制御回路であって、
     前記無線通信部が、前記宛先装置との接続を開始するとき、および、接続の種別がリレー接続と直接接続との間で切り替わるとき、前記接続の種別および前記宛先装置を特定するための情報である接続状態情報を前記アプリケーションサーバ部に通知するステップ、
     を前記移動局に実行させることを特徴とする制御回路。
    a wireless communication unit that wirelessly communicates with a destination device by direct connection or by relay connection via another communication device;
    an application server unit that performs processing of a layer higher than the wireless communication unit;
    A control circuit for controlling a mobile mobile station, comprising:
    When the wireless communication unit starts a connection with the destination device and when the connection type is switched between a relay connection and a direct connection, information for identifying the connection type and the destination device is provided. a step of notifying the application server section of certain connection state information;
    A control circuit that causes the mobile station to execute.
  6.  宛先装置と直接接続、または、他の通信装置を介したリレー接続によって無線通信する無線通信部と、
     前記無線通信部よりも上位レイヤの処理を行うアプリケーションサーバ部と、
     を備え、移動可能な移動局を制御するためのプログラムを記憶した記憶媒体において、該プログラムは、
     前記無線通信部が、前記宛先装置との接続を開始するとき、および、接続の種別がリレー接続と直接接続との間で切り替わるとき、前記接続の種別および前記宛先装置を特定するための情報である接続状態情報を前記アプリケーションサーバ部に通知するステップ、
     を前記移動局に実行させることを特徴とする記憶媒体。
    a wireless communication unit that wirelessly communicates with a destination device by direct connection or by relay connection via another communication device;
    an application server unit that performs processing of a layer higher than the wireless communication unit;
    A storage medium storing a program for controlling a movable mobile station, the program comprising:
    When the wireless communication unit starts a connection with the destination device and when the connection type is switched between a relay connection and a direct connection, information for identifying the connection type and the destination device is provided. a step of notifying the application server section of certain connection state information;
    A storage medium that causes the mobile station to execute the following.
PCT/JP2022/017607 2022-04-12 2022-04-12 Mobile station, control circuit, and storage medium WO2023199405A1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020524953A (en) * 2017-06-23 2020-08-20 華為技術有限公司Huawei Technologies Co.,Ltd. Communication mode switching method, network side device and terminal device
JP2022515071A (en) * 2018-12-21 2022-02-17 テレフオンアクチーボラゲット エルエム エリクソン(パブル) Communication technology selection method and equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020524953A (en) * 2017-06-23 2020-08-20 華為技術有限公司Huawei Technologies Co.,Ltd. Communication mode switching method, network side device and terminal device
JP2022515071A (en) * 2018-12-21 2022-02-17 テレフオンアクチーボラゲット エルエム エリクソン(パブル) Communication technology selection method and equipment

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