WO2014024342A1 - 通信装置、通信方法、非一時的なコンピュータ可読媒体、及び配信サーバ - Google Patents
通信装置、通信方法、非一時的なコンピュータ可読媒体、及び配信サーバ Download PDFInfo
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- WO2014024342A1 WO2014024342A1 PCT/JP2013/001526 JP2013001526W WO2014024342A1 WO 2014024342 A1 WO2014024342 A1 WO 2014024342A1 JP 2013001526 W JP2013001526 W JP 2013001526W WO 2014024342 A1 WO2014024342 A1 WO 2014024342A1
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- 238000004891 communication Methods 0.000 title claims description 341
- 238000000034 method Methods 0.000 title claims description 46
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000001413 cellular effect Effects 0.000 claims description 12
- 230000004044 response Effects 0.000 claims description 7
- 230000008867 communication pathway Effects 0.000 abstract 3
- 238000012545 processing Methods 0.000 description 39
- 230000006870 function Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 13
- 239000000523 sample Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000005352 clarification Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Definitions
- This application relates to a wireless communication system, and more particularly to control of a communication path of a mobile station.
- Mobile stations such as mobile routers and smartphones with tethering functions are known. These mobile stations operate as bridges or routers to transfer data of other wireless terminals. These mobile stations are connected to a mobile network (eg cellular network or public wireless LAN (Local Area ⁇ Network)) provided by a mobile operator (wireless service provider), as well as wireless LAN (Local Area Network) or wireless PAN (Personal Connect to other wireless terminals using other wireless technologies such as (Area Network). Accordingly, the mobile station can provide communication with the end node via the mobile network to other wireless terminals.
- a mobile network eg cellular network or public wireless LAN (Local Area ⁇ Network)
- wireless LAN Local Area Network
- wireless PAN Personal Area Network
- the mobile station can provide communication with the end node via the mobile network to other wireless terminals.
- the end node is, for example, a server computer or personal computer arranged in an external network (eg, packet data network, IP (Internet Protocol) network, or the Internet), or other mobile station connected to a mobile network.
- the communication with the end node is, for example, Internet access, VoIP (Voiceoover Internet Protocol) call, voice chat, video chat, video streaming, or online game.
- VoIP Voiceoiceoover Internet Protocol
- Patent Document 1 discloses control of a communication path when a wireless terminal communicates with an end node via a mobile station.
- each of a plurality of mobile stations can be wirelessly connected to a wireless terminal and wirelessly connected to a mobile network.
- multiple mobile stations can communicate with each other to determine which mobile stations can provide the most appropriate wireless network connection (connection with a mobile network).
- one of the plurality of mobile stations determines which mobile station can provide the most appropriate wireless network connection (connection with a mobile network).
- the mobile network determines which mobile station can provide the most appropriate wireless network connection (connection with the mobile network).
- the mobile network can request a plurality of mobile stations to send their network connection capabilities.
- the inventors of the present invention have a function of communicating with an end node via a direct wireless connection with a mobile network, and other mobile stations such as a mobile router or a smartphone having a tethering function (second mobile station). ),
- the communication path selection control of a mobile station (referred to as a first mobile station) that also has a function of communicating with an end node via the network.
- the first mobile station include cellular network radio access technology (eg URAN (UMTS Terrestrial Radio Access Network), E-UTRAN (Evolved UTRAN), GERAN (GSM EDGE Radio Access Network), or WiMAX (Worldwide Interoperability for It is a multi-mode terminal that supports both wireless LAN and wireless PAN wireless access technologies.
- the first mobile station as a multi-mode terminal can establish a wireless connection directly with the base station of the cellular network and establish a wireless connection with the second mobile station using a wireless access technology of wireless LAN or wireless PAN. it can.
- Another example of the first mobile station is a wireless LAN terminal.
- a wireless LAN terminal can be connected to a plurality of wireless LANs having different SSIDs (Service Set Identifier). That is, the first mobile station as a wireless LAN terminal can directly establish a wireless connection with a base station (eg access point) of a mobile network (eg public wireless LAN service), and other mobile devices that function as mobile routers.
- a wireless connection can be established with the station.
- the inventors of the present case have found a problem in selecting a communication path for the first mobile station to communicate with the end node.
- the first mobile station uses both a first route via a mobile network that can be wirelessly connected directly and a second route via a second mobile station to communicate with the end node. can do.
- the first mobile station can compare the quality of two wireless connections to determine the communication path. In other words, the first mobile station compares the quality of the first wireless connection with the mobile network and the quality of the second wireless connection with the second mobile station, and compares the quality of the quality for communication with the end node.
- a good wireless connection may be used.
- the second mobile station is a mobile router or a smartphone having a tethering function
- the quality of the second wireless connection is often always better than the quality of the first wireless connection.
- the first mobile station always selects a communication path that passes through the second mobile station.
- the quality of the close wireless connection between the first mobile station and the second mobile station is good, the communication quality from the second mobile station to the end node is not always good.
- one of the objects of the present invention is to provide a first communication path via a direct first wireless connection with a mobile network and a second route via a second wireless connection with another mobile station.
- a communication device a communication method, a program, and a distribution server that contribute to efficient selection of a communication path of a mobile station that can use the communication path together.
- a communication device capable of communicating by a plurality of wireless access methods includes a first communication unit, a second communication unit, and a control unit.
- the first communication unit is configured to be wirelessly connectable to the first network.
- the second communication unit is configured to be wirelessly connectable to another communication device that is wirelessly connected to the second network.
- the control unit uses the first communication unit or the second communication unit according to a network selected from the first and second networks based on the information about the second network. Operate to control.
- a communication device including a first communication unit wirelessly connectable to the first network and a second communication unit wirelessly connectable to another communication device wirelessly connected to the second network
- a communication method is provided. Whether the communication method uses the first communication unit or the second communication unit according to the network selected from the first and second networks based on the information about the second network And communicating using the first network or the second network.
- a communication device capable of communicating by a plurality of wireless access methods includes a first communication unit, a second communication unit, and a control unit.
- the first communication unit is configured to be wirelessly connectable to the first network.
- the second communication unit is configured to be wirelessly connectable to another communication device that is wirelessly connected to the second network.
- the control unit operates to select a network to be used by the other communication device from the first and second networks based on information on the second network.
- a communication method includes selecting a network used by the other communication device from the first and second networks based on information on the second network, and communicating using the selected network. including.
- the program includes a first communication unit that can be wirelessly connected to the first network, and a second communication unit that can be wirelessly connected to another communication device wirelessly connected to the second network. Which one of the first communication unit and the second communication unit is used as a communication device according to a network selected from the first and second networks based on information on the second network The process to control is executed.
- the program includes a first communication unit that can be wirelessly connected to the first network, and a second communication unit that can be wirelessly connected to another communication device wirelessly connected to the second network.
- the communication device is caused to execute a process of selecting a network used by the other communication device from the first and second networks based on the information on the second network.
- the distribution server operates to distribute the program according to the fifth aspect described above to the communication device.
- the distribution server operates to distribute the program according to the sixth aspect described above to the communication device.
- both the first communication path via the direct first wireless connection with the mobile network and the second communication path via the second wireless connection with the other mobile station are both used. It is possible to provide a communication device, a communication method, a program, and a distribution server that contribute to efficient selection of communication paths of mobile stations that can be used.
- 7 is a flowchart illustrating an operation example of a mobile station according to the second embodiment. It is a flowchart which shows the operation example of the mobile station (e.g. mobile router) which concerns on 2nd Embodiment. It is a sequence diagram which shows the determination procedure of the communication path of the mobile station which concerns on 3rd Embodiment.
- 10 is a flowchart illustrating an operation example of a mobile station according to the third embodiment. It is a flowchart which shows the operation example of the mobile station (e.g. mobile router) which concerns on 3rd Embodiment.
- FIG. 1 is a block diagram illustrating a configuration example of a wireless communication network according to the present embodiment.
- the mobile station 3 can be configured to establish a first wireless connection with the base station 1 included in the mobile network 5 and can establish a second wireless connection with the mobile station 4 for communication with the end node. It is configured as follows.
- the radio access technologies (radio access schemes) used for the first and second radio connections may be the same or different.
- the mobile station 3 may be a multi-mode terminal, and the mobile network 5 may be a cellular network including a radio access network and a core network.
- the mobile station 3 as a multimode terminal may establish a wireless connection with the base station 1 using a cellular network radio access technology (eg URAN, E-UTRAN, GERAN, or WiMAX).
- a cellular network radio access technology eg URAN, E-UTRAN, GERAN, or WiMAX
- the mobile station 3 as a multi-mode terminal may establish a wireless connection with the mobile station 4 by a wireless access technology of wireless LAN based on IEEE 802.11 series or wireless PAN (eg Bluetooth) based on IEEE 802.15 series.
- the mobile station 3 may be a wireless LAN terminal, and the mobile network 5 may be a public wireless LAN.
- the mobile station 4 and the mobile station 3 as a wireless LAN terminal can establish a wireless connection with the public wireless LAN base station 1 (ie access point) or the mobile station 4.
- the mobile station 4 establishes a third wireless connection with the base station 2 included in the mobile network 6 and transfers data of the mobile station 3 to the mobile network 6 for communication between the mobile station 3 and the end node. It is configured as follows. That is, the mobile station 4 operates as a bridge or a router in order to transfer the data of the mobile station 3.
- the radio access technologies used for the second and third radio connections may be the same or different.
- the mobile station 4 is a device that can simultaneously establish a connection with the mobile network 6 and a connection with the mobile station 3, such as a mobile router or a smartphone having a tethering function.
- the mobile station 4 as a mobile router may establish a wireless connection with the base station 2 using a cellular network radio access technology (e.g. URAN, E-UTRAN, GERAN, or WiMAX).
- a cellular network radio access technology e.g. URAN, E-UTRAN, GERAN, or WiMAX.
- the mobile station 4 as a mobile router may establish a wireless connection with the mobile station 3 by a wireless LAN or wireless PAN wireless access technology.
- the mobile network 6 is a network that cannot be directly accessed by the mobile station 3 that can be connected to the mobile network 5.
- the two mobile networks 5 and 6 may be networks operated by different mobile network operators (wireless service providers).
- the mobile network operator may be an MVNO (Mobile Virtual Network Operator).
- the mobile station 3 cannot access the mobile network 6 due to restrictions in the service use contract.
- the two mobile networks 5 and 6 may be different cellular radio systems operated by the same or different mobile network operators. Different cellular radio systems typically require mobile stations to support different radio access technologies or different NAS protocols. Therefore, in this case, the mobile station 3 cannot access the mobile network 6 due to technical restrictions.
- the external network 7 is a network through which the mobile station 3 or 4 can communicate via the mobile network 5 or 6.
- the external network 7 is, for example, a packet data network, an IP (Internet Protocol) network, the Internet, or another mobile network.
- IP Internet Protocol
- the end node that communicates with the mobile station 3 may be, for example, a server computer, a personal computer, or a mobile station located in the external network 7.
- the end node may be another mobile station connected to the mobile network 5 or 6.
- the communication between the mobile station 3 and the end node is, for example, Internet access, VoIP call, voice chat, video chat, video streaming, or online game, but is not limited thereto.
- the example of FIG. 1 includes a control device 8.
- the control device 8 may be omitted in the present embodiment unless the control device 8 is involved in determining the communication path of the mobile station 3 to be described later.
- the control device 8 is connected to the external network 7.
- the control device 8 may be directly connected to the mobile network 5 or 6 without going through the external network 7.
- the control device 8 may be a network management system operated by an operator (wireless service provider) of the mobile network 5 or 6.
- the network management system may also be called an OAM (Operation Administration and Maintenance) server, OMC (Operation and Maintenance Center), NM (Network Manager), or EM (Element Manager).
- the control device 8 may be operated by a third party independent of the operator of the mobile network 5 or 6.
- control device 8 may transmit / receive user data packets to / from at least one of the mobile stations 3 and 4 in order to transmit / receive signaling messages.
- the user data packet is transmitted transparently through the mobile networks 5 and 6 and reaches the mobile stations 3 and 4 and the control device 8.
- control device 8 may connect an interface (e.g. API (Application Programming) Interface) with the mobile network 5 or 6 or a management system thereof for transmission and reception of signaling messages.
- API Application Programming
- the mobile station 3, the mobile station 4, or the control device 8 has a processing unit that executes the operation shown in FIG. 2 for determining the communication path of the mobile station 3.
- the processing unit acquires network information of the two mobile networks 5 and 6.
- the processing unit may acquire network information of at least one of the mobile networks 5 and 6.
- Network information includes radio quality (eg received power, RSCP (Received Signal Code Power), RSRP (Reference Signal Received Power), Ec / No, SINR (Signal Interference plus Noise Ratio), or BER (Bit Error Rate)). May be shown.
- the network information may indicate a load on the mobile network.
- the load of the mobile network is, for example, a radio resource load (eg noise level, radio resource usage rate) or a network load (eg processing load of a network device such as a base station, network resource usage rate, core network line usage rate). is there.
- step S102 the processing unit determines the communication path of the mobile station 3 based on the network information of the two mobile networks 5 and 6. That is, the processing unit transmits the first communication path via the direct first wireless connection with the mobile network 5 and the second communication path via the second wireless connection with the mobile station 4 (eg mobile router). Which of the communication paths is appropriate as the communication path of the mobile station 3 is determined. Note that the processing unit may not use the network information of both the mobile networks 5 and 6 in determining the communication path. For example, when the network information of any one of the mobile networks 5 and 6 is acquired, the processing unit may determine the communication path based on the network information of any one of the mobile networks 5 and 6.
- the communication path of the mobile station 3 can be determined from various viewpoints according to the network information to be used.
- the mobile station 3 communication path may be determined from the viewpoint of improving the throughput of the mobile station 3.
- a communication path that passes through a network having a high radio quality or a network having a low load on the mobile network 5 and the mobile network 6 may be selected as the mobile station 3 communication path.
- the communication path may be determined from the viewpoint of reducing the load on the mobile network 5 or 6 or improving the resource utilization rate (radio resource utilization rate or network resource utilization rate).
- a communication path that passes through a network having a low load or utilization rate out of the mobile network 5 and the mobile network 6 may be selected as the mobile station 3 communication path.
- the determination result of the communication path of the mobile station 3 by the processing unit is reflected in the mobile station 3.
- the processing unit arranged in the mobile station 3 may control circuit elements (e.g. baseband processor, wireless transceiver) in the mobile station 3 so as to use the first communication path.
- the processing unit arranged in the mobile station 4 or the control device 8 may notify the mobile station 3 of the communication path by transmitting a message to the mobile station 3.
- the processing unit arranged in the mobile station 4 may stop wireless transmission by the mobile station 4 for the second wireless connection with the mobile station 3. As a result, the mobile station 3 becomes unable to use the second communication path that passes through the mobile station 4, and therefore can spontaneously select the first communication path that passes through the mobile network 5.
- FIG. 3 is a block diagram illustrating a configuration example of the mobile station 3 including the processing unit.
- the wireless communication unit 31 can wirelessly connect to the base station 1 of the mobile network 5 and communicate with the end node via the mobile network 5.
- the wireless communication unit 31 can wirelessly connect to the mobile station 4 and communicate with the end node via the mobile station 4 and the mobile network 6.
- the wireless communication unit 31 may include a plurality of wireless transceivers corresponding to a plurality of wireless access technologies.
- the communication path control unit 32 corresponds to a processing unit that determines the communication path of the mobile station 3.
- the communication path control unit 32 determines the communication path of the mobile station 3 based on the network information of the mobile networks 5 and 6.
- the network information of the mobile network 5 may be acquired autonomously by the mobile station 3 (wireless communication unit 31) itself, or may be supplied from the control device 8 to the mobile station 3.
- the network information of the mobile network 6 may be supplied from the mobile station 4 or the control device 8 to the mobile station 3.
- FIG. 4 is a block diagram showing a configuration example of the mobile station 4 including the processing unit.
- the mobile station 4 is, for example, a mobile router, and relays data transmitted from the mobile station 3 and data received by the mobile station 3 between the mobile network 6 and the mobile station 3.
- the wireless communication unit 41 can wirelessly connect to the base station 2 of the mobile network 6 and communicate with the mobile network 6.
- the wireless communication unit 42 can wirelessly connect to the mobile station 3 and communicate with the mobile station 3.
- the communication path control unit 43 corresponds to a processing unit that determines the communication path of the mobile station 3.
- the communication path control unit 43 determines the communication path of the mobile station 3 based on the network information of the mobile networks 5 and 6.
- the network information of the mobile network 5 may be acquired autonomously by the mobile station 4 (wireless communication unit 41 or 42) itself, or may be supplied from the mobile station 3 or the control device 8 to the mobile station 4.
- the network information of the mobile network 6 may be acquired autonomously by the mobile station 4 (wireless communication unit 41) itself, or may be supplied from the control device 8 to the mobile station 4.
- FIG. 5 is a block diagram illustrating a configuration example of the control device 8 including the processing unit.
- the lower device communication unit 81 communicates with the mobile station 3 or 4, the base station 1 or 2, another network node arranged in the mobile network 5 or 6, or a network management system.
- the communication path control unit 82 corresponds to a processing unit that determines the communication path of the mobile station 3.
- the communication path control unit 82 determines the communication path of the mobile station 3 based on the network information of the mobile networks 5 and 6.
- the network information of the mobile networks 5 and 6 may be supplied from the mobile stations 3 and 4 to the control device 8, or may be supplied from the mobile networks 5 and 6 to the control device 8.
- the processing unit that determines the communication path of the mobile station 3 may be realized by using a semiconductor processing device including an ASIC (Application Specific Integrated Circuit).
- the processing unit for determining the communication path of the mobile station 3 is realized by causing a computer system including at least one processor (eg microprocessor, MPU (Micro Processing Unit), CPU (Central Processing Unit)) to execute a program. May be.
- processor eg microprocessor, MPU (Micro Processing Unit), CPU (Central Processing Unit)
- MPU Micro Processing Unit
- CPU Central Processing Unit
- Non-transitory computer readable media include various types of tangible storage media (tangible storage medium).
- Examples of non-transitory computer readable media are magnetic recording media (eg flexible disks, magnetic tapes, hard disk drives), magneto-optical recording media (eg magneto-optical disks), CD-ROM (Read Only Memory), CD-R, Includes CD-R / W, semiconductor memory (for example, mask ROM, PROM (Programmable ROM), EPROM (Erasable ROM), flash ROM, RAM (random access memory)).
- the program may also be supplied to the computer by various types of temporary computer-readable media. Examples of transitory computer readable media include electrical signals, optical signals, and electromagnetic waves.
- the temporary computer-readable medium can supply the program to the computer via a wired communication path such as an electric wire and an optical fiber, or a wireless communication path.
- FIG. 6 is a block diagram showing a configuration example when the mobile station 3 including the processing unit is manufactured using a computer system.
- the example of FIG. 6 includes a cellular wireless transceiver 301, a wireless LAN transceiver 302, an application processor 303, and a baseband processor 304 as specific examples of the wireless communication unit 31.
- the example of FIG. 6 includes a microphone 305, a speaker 306, a touch panel 307, and a display 308 as specific examples of the input device and the output device.
- the application processor 303 executes various functions of the mobile station 3 by executing a system software program (OS (Operating System)) 310 and various application programs (for example, a Web browser and a mailer) read from the nonvolatile storage unit 309. Realize.
- the nonvolatile storage unit 309 is, for example, a flash memory or a hard disk drive.
- the application processor 303 executes the communication path control application 311, the function of the processing unit (communication path control unit 32) described in the present embodiment is realized.
- the first communication path via the direct first wireless connection with the mobile network 5 and the second route via the second wireless connection with the mobile station 4 are used.
- the communication path of the mobile station 3 that can use both communication paths is determined based on the network information of the mobile networks 5 and 6.
- the mobile station 4 is a mobile router or a smartphone having a tethering function, it is generally considered that a single user owns and uses the mobile stations 3 and 4 together.
- the communication path is appropriate if the quality of the first and second wireless connections is compared. May not be available.
- this embodiment uses the network information of the mobile networks 5 and 6 for determining the communication path of the mobile station 3, the connection stability of the mobile station 3 is improved, the throughput is improved, the network load is reduced, Alternatively, it is possible to determine an efficient communication path based on a viewpoint such as efficient use of network resources.
- a processing unit for determining the communication path of the mobile station 3 is arranged in the mobile station 4 (eg mobile router). Further, the mobile station 4 acquires the network information of the two mobile networks 5 and 6 without receiving the network information of the mobile network 5 from the mobile station 3, and determines the communication path of the mobile station 3.
- FIG. 7 is a sequence showing a specific operation example of the present embodiment.
- FIG. 7 shows operations of the mobile stations 3 and 4, the mobile networks 5 and 6, and the external network 7.
- the mobile station 4 acquires network information of the mobile networks 5 and 6.
- the mobile station 4 preferably measures radio waves from the mobile network 5 using its own wireless communication unit, and independently acquires the network information (e.g. wireless quality) of the mobile network 5.
- the mobile station 4 may receive network information of the mobile network 5 from the control device 8.
- the mobile station 4 determines the communication path of the mobile station 3 based on the acquired network information.
- the mobile station 4 responds that the first communication path via the mobile network 5 is determined as the communication path of the mobile station 3, and performs wireless transmission for the second wireless connection with the mobile station 3. Is stopped (step S203).
- the mobile station 4 responds to the fact that the second communication path via the mobile station 4 and the mobile network 6 is determined as the communication path of the mobile station 3, and establishes the second wireless connection with the mobile station 3.
- Start (or continue) wireless transmission for The wireless transmission may be stopped by stopping transmission of at least one of radio waves, control information, and user data in the wireless access technology used for the second wireless connection. Further, the wireless transmission may be stopped by stopping the transmission related to the communication specified by the first identifier used for the second wireless connection.
- the mobile station 4 may continue transmission related to the communication specified by the second identifier different from the first identifier.
- the first and second identifiers are, for example, wireless LAN SSIDs (Service Set Identifiers). Accordingly, the mobile station 4 can continue communication with other mobile stations while performing path control for distributing the mobile station 3 to the first communication path.
- step S204 the mobile station 3 determines the availability of the first and second wireless connections. If the second wireless connection cannot be used due to the transmission stop of the mobile station 4, the mobile station 3 communicates with the end node using the first communication path via the mobile network 5 (step S205). On the other hand, when the second wireless connection can be used, the mobile station 3 communicates with the end node using the second communication path via the mobile station 4 and the mobile network 6 (step S206).
- FIG. 8 is a flowchart showing an operation example of the mobile station 3 according to the present embodiment.
- the flow in FIG. 8 is triggered by the mobile station 3 performing data transmission / reception.
- the mobile station 3 determines whether or not direct communication with the mobile station 4 is possible. Specifically, the mobile station 3 is determined to be capable of direct communication when it can detect the radio wave and broadcast information (beacon, probe response, SSID) from the mobile station 4 for establishing the second wireless connection. That's fine.
- the mobile station 3 may transmit a probe request.
- step S301 the mobile station 3 communicates directly with the mobile station 4 and connects to the external network 7 via the mobile network 6 (step S302). If direct communication is not possible (NO in step S301), the mobile station 3 connects to the external network 7 via the mobile network 5 (step S303).
- FIG. 9 is a flowchart showing an operation example of the mobile station 4 according to the present embodiment.
- the mobile station 4 acquires network information of the mobile networks 5 and 6.
- the mobile station 4 determines the communication path of the mobile station 3.
- the mobile station 4 stops radio wave transmission for the second wireless connection with the mobile station 3 in response to the first communication path via the mobile network 5 being determined as the communication path of the mobile station 3. (Step S403).
- the mobile station 4 performs the second wireless connection with the mobile station 3. Start (or continue) transmission of radio waves, notification information, and user data.
- the mobile station 4 determines the communication path of the mobile station 3 without receiving the network information of the mobile network 5 from the mobile station 3, and performs the second wireless communication.
- the communication path of the mobile station 3 is controlled by stopping transmission for connection. Therefore, the mobile station 3 does not need to implement additional functions for acquiring network information, transmitting / receiving network information, and determining a communication path. Therefore, in this embodiment, while using an existing mobile station as the mobile station 3, it is possible to improve throughput based on communication path control and to efficiently use network resources.
- a processing unit for determining the communication path of the mobile station 3 is arranged in the mobile station 3 or the mobile station 4 (eg mobile router).
- the network information of the mobile network 5 is acquired by the mobile station 3, and the network information of the mobile network 6 is acquired by the mobile station 4.
- FIG. 10 is a sequence showing a specific operation example of the present embodiment.
- FIG. 10 shows operations of the mobile stations 3 and 4, the mobile networks 5 and 6, and the external network 7.
- the mobile station 4 acquires (measures) network information of the mobile network 6.
- the mobile station 4 transmits a network information request to the mobile station 3 through direct communication via the second wireless connection.
- the mobile station 3 acquires (measures) the network information of the mobile network 5 (step S502) and transmits it to the mobile station 4 (step S504).
- the mobile station 4 determines the communication path of the mobile station 3 based on the network information of the mobile network 6 measured by itself and the network information of the mobile network 5 notified from the mobile station 3 (step S505).
- the mobile station 4 notifies the mobile station 3 of the determined communication path.
- the processing in steps S205 and S206 in FIG. 10 is the same as the processing in steps S205 and S206 shown in FIG.
- FIG. 11 is a flowchart showing an operation example of the mobile station 3 according to the present embodiment.
- the flow in FIG. 11 is triggered by the mobile station 3 receiving a network information request.
- step S ⁇ b> 601 the mobile station 3 determines whether a network information request is received from the mobile station 4. If received (YES in step S601), the mobile station 3 acquires (measures) network information of the mobile network 6 (step S602), transmits the acquired information to the mobile station 4 (step S603), and moves.
- the process proceeds to step S604 in which it is determined whether a communication path notification is received from the station 4.
- the mobile station 3 selects the first or second communication path based on the notification and performs communication with the end node (step S605).
- FIG. 12 is a flowchart showing an operation example of the mobile station 4 according to the present embodiment.
- the mobile station 4 acquires (measures) network information of the mobile network 6.
- the mobile station 4 transmits a network information request to the mobile station 3, and proceeds to step S703 for determining reception of network information.
- the mobile station 4 determines the communication path of the mobile station 3 based on the network information of the mobile networks 5 and 6 (step S704). Then, a notification indicating the determined communication path is transmitted to the mobile station 3 (step S705).
- the mobile station 4 responds to the determination of the first communication path via the mobile network 5 as the communication path of the mobile station 3 as described in the second embodiment. Then, transmission for the second wireless connection with the mobile station 3 may be stopped. In this case, the communication path notification from the mobile station 4 to the mobile station 3 shown in S506 of FIG. 10 or S705 of FIG. 12 may be omitted. In addition, the mobile station 4 may notify the mobile station 3 of information indicating whether the second wireless connection is on or off.
- the mobile station 4 starts acquiring (measuring) network information before the mobile station 3, but it goes without saying that this may be reversed. That is, after the mobile station 3 acquires the network information of the mobile network 5 and transmits it to the mobile station 4, the mobile station 4 may acquire the network information of the mobile network 6.
- the communication path of the mobile station 3 is determined in the mobile station 4, but this determination may be performed in the mobile station 3. That is, the mobile station 4 may transmit the network information of the mobile network 6 to the mobile station 3.
- the mobile stations 3 and 4 measure the radio quality or the like of the mobile network 5 or 6 to which they are connected. Then, the mobile station 3 or 4 determines an optimal communication path for the mobile station 3. Therefore, this embodiment can collect network information while distributing functions or loads necessary for measurement for obtaining network information. For this reason, in this embodiment, it is possible to improve connection stability, improve throughput, and use network resources efficiently based on communication path control without using a high-performance mobile station.
- the control device 8 signals the mobile networks 5 and 6 and acquires network information of the mobile networks 5 and 6.
- the processing unit that determines the communication path of the mobile station 3 is arranged in the control device 8.
- the processing unit that determines the communication path of the mobile station 3 is arranged in the mobile station 3 or 4. In this case, the mobile station 3 or 4 receives the network information of the mobile networks 5 and 6 from the control device 8.
- FIG. 13 is a sequence showing a specific operation example of the present embodiment.
- FIG. 13 shows operations of the mobile stations 3 and 4, the mobile networks 5 and 6, the external network 7, and the control device 8.
- the control device 8 collects network information from the mobile networks 5 and 6.
- the control device 8 determines the communication path of the mobile station 3 based on the collected network information (step S803), and transmits a notification indicating the determined communication path to the mobile station 4 (step S804).
- the processing in steps S203 to S206 in FIG. 13 is the same as the processing in steps S203 to S206 in FIG.
- control device 8 may transmit a notification indicating the determined communication path to the mobile stations 3 and 4. Further, the control device 8 may transmit a notification indicating the determined communication path to the mobile station 3 instead of the mobile station 4. In this case, the control device 8 may notify the mobile station 4 of permission to stop the second wireless connection. By notifying the mobile station 4 of the communication path of the mobile station 3 or the permission to stop the second wireless connection from the control device 8, the mobile station 4 performs the second wireless connection as shown in FIG. Can be easily stopped (step S203).
- FIG. 14 is a flowchart showing an operation example of the control device 8 according to the present embodiment.
- the control device 8 transmits a network information request to the network devices in the mobile networks 5 and 6 (e.g. base station 1, base station 2, core network node, network management system).
- the control device 8 determines the communication path of the mobile station 3 (step S903), and transmits a notification indicating the determined communication path to the mobile station 3 or 4 (step S903). S904).
- FIG. 15 is a flowchart showing an operation example of the network device (e.g. base station 1, base station 2, core network node, network management system) according to the present embodiment.
- the network device determines whether a network information request has been received from the control device 8.
- the network apparatus acquires information on the NW load such as the radio resource usage rate of the base station 1 or 2 and the line usage rate of the core network as network information (step S1002). This is transmitted to the control device 8 (step S1003).
- FIG. 16 is a flowchart showing an operation example of the mobile station 4 according to the present embodiment.
- the mobile station 4 receives a communication path notification indicating the communication path of the mobile station 3.
- the notified communication path is determined (step S1102).
- the operation of stopping or continuing the wireless transmission for the second wireless connection according to the communication path of the mobile station 3 is the same as steps S403 and S404 shown in FIG.
- control device 8 determines the communication path of the mobile station 3.
- the determination of the communication path of the mobile station 3 may be performed in the mobile station 3 or 4.
- the mobile station 3 or 4 receives the network information of the mobile networks 5 and 6 from the control device 8.
- the optimum communication path of the mobile station 3 is determined according to the load status of the network device and the like. Therefore, this embodiment can realize communication path selection of the mobile station 3 based on information on the network side that is difficult to measure in the mobile stations 3 and 4.
- the mobile station 3 and the mobile station 4 collect network information of the mobile network 5 or 6 to which they are connected. Further, the control device 8 also collects network information of the mobile networks 5 and 6. Then, the mobile station 3 or 4 determines the communication path of the mobile station 3 by using both the network information obtained by the mobile stations 3 and 4 and the network information obtained by the control device 8.
- FIG. 17 is a sequence showing a specific operation example of the present embodiment.
- FIG. 17 shows operations of the mobile stations 3 and 4, the mobile networks 5 and 6, the external network 7, and the control device 8.
- Steps S801 and S802 in FIG. 17 are the same as steps S801 and S802 in FIG.
- the control device 8 sends the network information of the mobile networks 5 and 6 to the mobile station 4.
- Steps S501 to S504 in FIG. 17 are the same as steps S501 to S504 in FIG.
- the mobile station 4 determines the communication path of the mobile station 3 using both the network information obtained by the control device 8 and the network information obtained by the mobile stations 3 and 4.
- Steps S506, S205, and S206 in FIG. 17 are the same as steps S506, S205, and S206 in FIG.
- FIG. 18 is a flowchart showing an operation example of the mobile station 4 according to the present embodiment.
- the mobile station 4 receives network information obtained by the control device 8 from the control device 8.
- Steps S701 to S703 in FIG. 18 are the same as steps S701 to S703 in FIG.
- the mobile station 4 determines the communication path of the mobile station 3 using both the network information obtained by the control device 8 and the network information obtained by the mobile stations 3 and 4.
- Step S705 in FIG. 18 is the same as step S705 in FIG.
- the communication path of the mobile station 3 is determined in the mobile station 4, but this is the same as described in the third and fourth embodiments.
- the determination may be made at the mobile station 3. That is, the control device 8 may transmit network information to the mobile station 3.
- the mobile station 4 may transmit the network information of the mobile network 6 to the mobile station 3.
- the mobile station 3 or 4 according to the present embodiment is based on both the network information (eg wireless quality) obtained by the mobile station 3 or 4 and the network information (eg network load) obtained by the network device.
- the communication path of the mobile station 3 is determined. Therefore, the present embodiment can realize the selection of the communication path of the mobile station 3 in consideration of the situation on both the wireless side and the network side.
- both the network information collected by the mobile stations 3 and 4 and the network information collected by the control device 8 are used.
- a specific method of determining a communication path a mobile network with a low network load is selected when the radio quality is equal to or higher than a predetermined value, and a mobile network with a good radio quality is selected when the radio quality is lower than the predetermined value A method is mentioned.
- the wireless service contract system (whether pay-per-use or flat-rate billing) is different between the mobile networks 5 and 6, or if the service usage fee is different, a communication path with a low usage fee or a flat-rate billing service is included.
- a method of preferentially using the communication path is also conceivable.
- the wireless quality of the mobile network 5 or 6 through which the preferential communication path passes is below a predetermined value or the load exceeds a predetermined value, a method of using the other communication path is also conceivable.
- the mobile station 3 prioritizes communication via the mobile station 4 and switches to communication with the mobile network 5 according to the situation between the mobile station 4 and the mobile network 6.
- the communication fee when communicating with the mobile network 6 via the mobile station 4 is a fixed amount regardless of the communication amount, and the communication fee when the mobile station 3 communicates with the mobile network 5 depends on the communication amount.
- a billing system of the type use of this embodiment is conceivable.
- FIG. 19 is a sequence diagram showing an operation example of the sixth embodiment.
- FIG. 19 is an example, and the operation of the sixth embodiment is not limited to the operation shown in FIG. It is assumed that the mobile station 3 is performing communication via the mobile station 4.
- the mobile station 4 monitors the network information of the mobile network 6 (S1500).
- the mobile station 4 may monitor the network information at a predetermined cycle, for example.
- the mobile station 4 uses a communication path used by the mobile station 3 for communication (that is, a communication path via the mobile network 5 or a communication communicating with the mobile network 6 via the mobile station 4). Route) is selected (S1501).
- the mobile station 4 determines to switch the communication path from the mobile network 6 to the mobile network 5 when the communication quality of the mobile network 6 deteriorates below a predetermined threshold.
- FIG. 19 shows an example in which the mobile station 4 selects the communication path
- the control device 8 and the mobile station 3 may select the communication path. Any method of the above-described embodiment can be used for selecting a communication path.
- the control device 8 may collect the network information of the mobile network 6 and select the communication path of the mobile station 3, or the mobile station 3 receives the network information of the mobile network 6 from the mobile station 4, and the communication path May be selected.
- the mobile station 4 notifies the mobile station 3 of the selected communication path (S1502).
- the control device 8 selects a communication path, the control device 8 may notify the mobile station 3 of the communication path.
- the mobile station 3 executes data communication through the selected communication path (S1503).
- an application for example, the communication path control application 311 shown in FIG. 6
- the distribution server 9 is described.
- the application is executed in the computer, the computer is operated as the processing unit described in the first to sixth embodiments, that is, the processing unit that determines the communication path of the mobile station 3.
- FIG. 20 shows an example of the system configuration of the sixth embodiment.
- the distribution server 9 distributes an application for realizing a function corresponding to the processing unit to the mobile station 3 or the mobile station 4.
- the distribution server 9 is arranged in the external network 7, for example.
- the distribution server 9 distributes the application to the mobile station 3 or 4 of the service user who selects and connects the mobile network 5 or 6 as appropriate.
- the service user can avoid the burden of purchasing a dedicated device in order to enjoy the service.
- a mobile router is shown as a specific example of the mobile station 4, but as described above, the mobile station 4 is a terminal that can provide wireless access to other wireless devices such as a smartphone. I just need it.
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Abstract
Description
図1は、本実施形態に係る無線通信ネットワークの構成例を示すブロック図である。移動局3は、エンドノードとの通信のために、モバイルネットワーク5に含まれる基地局1と第1の無線接続を確立できるよう構成されるとともに、移動局4と第2の無線接続を確立できるよう構成されている。第1及び第2の無線接続に用いられる無線アクセス技術(無線アクセス方式)は、同一でもよいし異なってもよい。例えば、移動局3はマルチモード端末であってもよく、モバイルネットワーク5は無線アクセスネットワーク及びコアネットワークを含むセルラネットワークであってもよい。マルチモード端末としての移動局3はセルラネットワークの無線アクセス技術(e.g. URAN、E-UTRAN、GERAN、又はWiMAX)によって基地局1との無線接続を確立すればよい。一方、マルチモード端末としての移動局3は、IEEE 802.11シリーズ準拠の無線LAN又はIEEE 802.15シリーズ準拠の無線PAN(e.g. Bluetooth)の無線アクセス技術によって移動局4との無線接続を確立してもよい。また、移動局3は、無線LAN端末であってもよく、モバイルネットワーク5は公衆無線LANであってもよい。この場合、移動局4と無線LAN端末としての移動局3は、公衆無線LANの基地局1(i.e. アクセスポイント)又は移動局4と無線接続を確立できる。
本実施形態では、第1の実施形態の1つの具体例について説明する。本実施形態のネットワーク構成は、図1と同様とすればよい。本実施形態では、移動局3の通信経路を決定する処理ユニットが移動局4(e.g. モバイルルータ)に配置される。さらに、移動局4は、移動局3からモバイルネットワーク5のネットワーク情報を受信することなく2つのモバイルネットワーク5及び6のネットワーク情報を取得し、移動局3の通信経路を決定する。
本実施形態では、第1の実施形態の1つの具体例について説明する。本実施形態のネットワーク構成は、図1と同様とすればよい。本実施形態では、移動局3の通信経路を決定する処理ユニットが移動局3又は移動局4(e.g. モバイルルータ)に配置される。モバイルネットワーク5のネットワーク情報は移動局3によって取得され、モバイルネットワーク6のネットワーク情報は移動局4によって取得される。
本実施形態では、第1の実施形態の1つの具体例について説明する。本実施形態のネットワーク構成は、図1と同様とすればよい。本実施形態では、制御装置8は、モバイルネットワーク5及び6とシグナルし、モバイルネットワーク5及び6のネットワーク情報を取得する。本実施形態の一例において、移動局3の通信経路を決定する処理ユニットは、制御装置8に配置される。また、本実施形態の他の例において、移動局3の通信経路を決定する処理ユニットは、移動局3又は4に配置される。この場合、移動局3又は4は、モバイルネットワーク5及び6のネットワーク情報を制御装置8から受信する。
本実施形態では、第1の実施形態の1つの具体例について説明する。本実施形態のネットワーク構成は、図1と同様とすればよい。本実施形態では、上述した第3及び第4の実施形態の組み合わせについて説明する。具体的には、移動局3及び移動局4は、各々が接続するモバイルネットワーク5又は6のネットワーク情報を収集する。さらに、制御装置8もモバイルネットワーク5及び6のネットワーク情報を収集する。そして、移動局3及び4により得られたネットワーク情報と制御装置8により得られたネットワーク情報の両方を用いて、移動局3又は4は、移動局3の通信経路を決定する。
本実施形態では、移動局3は、移動局4を経由した通信を優先し、移動局4とモバイルネットワーク6との間の状況に応じて、モバイルネットワーク5との通信に切り替える例を説明する。例えば、移動局4を経由してモバイルネットワーク6と通信する場合の通信料金が通信量に関わらず定額であり、移動局3がモバイルネットワーク5と通信する場合の通信料金が通信量に応じた従量型の課金システムである場合に、本実施形態の利用が考えられる。
本実施形態では、コンピュータに実行されることによって、処理ユニットに対応する機能をコンピュータにおいて実現するアプリケーション(例えば、図6に示した通信経路制御アプリケーション311)を、移動局3又は移動局4に配信する配信サーバ9について説明する。当該アプリケーションは、コンピュータにおいて実行されることにより、第1~第6の実施形態で説明された処理ユニット、すなわち移動局3の通信経路を決定する処理ユニット、としてコンピュータを動作させる。
第1~第7の実施形態は、適宜組み合わせることも可能である。
2 基地局
3 移動局
4 移動局(e.g. モバイルルータ)
5 モバイルネットワーク
6 モバイルネットワーク
7 外部ネットワーク
8 制御装置
9 配信サーバ
31 無線通信部
32 通信路制御部
41 無線通信部
42 無線通信部
43 通信路制御部
81 下位装置通信部
82 通信路制御部
301 セルラ無線トランシーバ
302 無線LANトランシーバ
303 アプリケーションプロセッサ
304 ベースバンドプロセッサ
305 マイクロフォン
306 スピーカ
307 タッチパネル
308 ディスプレイ
309 不揮発性記憶部
310 OS(Operating System)
311 通信路制御アプリケーション
Claims (36)
- 複数の無線アクセス方式により通信可能な通信装置あって、
第1のネットワークと無線接続可能な第1の手段と
第2のネットワークと無線接続する他の通信装置と無線接続可能な第2の手段と、
前記第2のネットワークに関する情報に基づいて前記第1及び第2のネットワークから選択されたネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いるかを制御する第3の手段と
を備えることを特徴とする通信装置。 - 前記第3の手段は、前記第1のネットワークに関する第1の情報と前記第2のネットワークに関する第2の情報とに基づいて前記第1及び第2のネットワークから選択されたネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いるかを制御する
ことを特徴とする請求項1の通信装置。 - 前記第3の手段は、前記他の通信装置が収集した前記第2のネットワークに関する情報に基づいて前記第1及び第2のネットワークから選択されたネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いて通信するかを制御する
ことを特徴とする請求項1または2に記載の通信装置。 - 前記第3の手段は、前記他の通信装置が収集した前記第1及び第2の情報に基づいて、前記他の通信装置が前記第1及び第2のネットワークから選択したネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いて通信するかを制御する
ことを特徴とする請求項1乃至3のいずれか1項に記載の通信装置。 - 前記第3の手段は、前記通信装置が収集した前記第1の情報と前記他の通信装置が収集した前記第2の情報とに基づいて前記第1及び第2のネットワークから選択されたネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いて通信するかを制御する
ことを特徴とする請求項2の通信装置。 - 前記通信装置は、前記第2の手段を介して、前記他の通信装置から、前記他の通信装置が収集した前記第2の情報を受信する
ことを特徴とする請求項5に記載の通信装置。 - 前記通信装置は、前記第2の手段を介して、前記通信装置が収集した前記第1の情報を前記他の通信装置に対して送信する
ことを特徴とする請求項5に記載の通信装置。 - 前記第3の手段は、管理装置が収集した前記第2のネットワークに関する情報に基づいて前記第1及び第2のネットワークから選択されたネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いて通信するかを制御する
ことを特徴とする請求項1に記載の通信装置。 - 前記第3の手段は、管理装置が収集した前記第1及び第2の情報に基づいて前記第1及び第2のネットワークから選択されたネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いて通信するかを制御する
ことを特徴とする請求項1に記載の通信装置。 - 前記第3の手段は、管理装置が前記第2のネットワークに関する情報に基づいて前記第1及び第2のネットワークから選択したネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いて通信するかを制御する
ことを特徴とする請求項1に記載の通信装置。 - 前記第3の手段は、管理装置が前記第1の情報と前記第2の情報とに基づいて前記第1及び第2のネットワークから選択したネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いて通信するかを制御する
ことを特徴とする請求項2に記載の通信装置。 - 前記第1及び第2のネットワークの各々は、互いに異なるオペレータによって運用されるセルラネットワークを含む、請求項1乃至11のいずれか1項に記載の通信装置。
- 第1のネットワークと無線接続可能な第1の手段と、第2のネットワークと無線接続する他の通信装置と無線接続可能な第2の手段とを含む通信装置における通信方法であって、
前記第2のネットワークに関する情報に基づいて前記第1及び第2のネットワークから選択されたネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いるかを制御し、
前記第1のネットワーク又は第2のネットワークを用いて通信する
ことを特徴とする通信方法。 - 前記第1のネットワークに関する第1の情報と前記第2のネットワークに関する第2の情報とに基づいて前記第1及び第2のネットワークから選択されたネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いるかを制御する
ことを特徴とする請求項13の通信方法。 - 前記他の通信装置が収集した前記第2のネットワークに関する情報に基づいて前記第1及び第2のネットワークから選択されたネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いて通信するかを制御する
ことを特徴とする請求項13または14に記載の通信方法。 - 前記他の通信装置が収集した前記第1及び第2の情報に基づいて、前記他の通信装置が前記第1及び第2のネットワークから選択したネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いて通信するかを制御する
ことを特徴とする請求項13乃至15のいずれか1項に記載の通信方法。 - 前記通信装置が収集した前記第1の情報と前記他の通信装置が収集した前記第2の情報とに基づいて前記第1及び第2のネットワークから選択されたネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いて通信するかを制御する
ことを特徴とする請求項14の通信方法。 - 前記第2の手段を介して、前記他の通信装置から、前記他の通信装置が収集した前記第2の情報を受信する
ことを特徴とする請求項17に記載の通信方法。 - 前記第2の手段を介して、前記通信装置が収集した前記第1の情報を前記他の通信装置に対して送信する
ことを特徴とする請求項17に記載の通信方法。 - 管理装置が収集した前記第2のネットワークに関する情報に基づいて前記第1及び第2のネットワークから選択されたネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いて通信するかを制御する
ことを特徴とする請求項13に記載の通信方法。 - 管理装置が収集した前記第1及び第2の情報に基づいて前記第1及び第2のネットワークから選択されたネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いて通信するかを制御する
ことを特徴とする請求項13に記載の通信方法。 - 管理装置が前記第2のネットワークに関する情報に基づいて前記第1及び第2のネットワークから選択したネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いて通信するかを制御する
ことを特徴とする請求項13に記載の通信方法。 - 管理装置が前記第1の情報と前記第2の情報とに基づいて前記第1及び第2のネットワークから選択したネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いて通信するかを制御する
ことを特徴とする請求項14に記載の通信方法。 - 前記第1及び第2のネットワークの各々は、互いに異なるオペレータによって運用されるセルラネットワークを含む、請求項13乃至23のいずれか1項に記載の通信方法。
- 複数の無線アクセス方式により通信可能な通信装置あって、
第1のネットワークを無線接続可能な第1の手段と、
第2のネットワークと無線接続する他の通信装置と無線接続可能な第2の手段と、
前記第2のネットワークに関する情報に基づいて、前記第1及び第2のネットワークから、前記他の通信装置が使用するネットワークを選択する第3の手段と
を備えることを特徴とする通信装置。 - 第3の手段は、前記第1のネットワークに関する第1の情報と前記第2のネットワークに関する第2の情報とに基づいて、前記第1及び第2のネットワークから、前記他の通信装置が使用するネットワークを選択する
ことを特徴とする請求項25に記載の通信装置。 - 前記第3の手段は、前記第2の情報を、前記他の通信装置を介さずに取得する、
ことを特徴とする請求項26の通信装置。 - 前記他の通信装置が使用するネットワークとして前記第2のネットワークが選択されたことに応じて、前記第2の手段による無線送信を停止する無線制御手段を備える、請求項25乃至27のいずれか1項に記載の通信装置。
- 前記無線制御手段は、前記第2の手段が使用する無線アクセス方式における電波、制御情報、及びユーザデータの少なくとも1つの送信を停止する、請求項28に記載の通信装置。
- 前記無線制御手段は、前記第2の手段による無線接続に使用するための第1の識別子によって特定される通信に関する送信を停止し、前記第1の識別子とは異なる第2の識別子によって特定される通信に関する送信を行う、請求項28に記載の通信装置。
- 前記第1及び第2の識別子は、SSID(Service Set Identifier)である、請求項30に記載の通信装置。
- 第1のネットワークと無線接続可能な第1の手段と、第2のネットワークと無線接続する他の通信装置と無線接続可能な第2の手段とを含む通信装置における通信方法であって、
前記第2のネットワークに関する情報に基づいて、前記第1及び第2のネットワークから、前記他の通信装置が使用するネットワークを選択し、
選択したネットワークを用いて通信する
ことを特徴とする通信方法。 - プログラムを格納した非一時的なコンピュータ可読媒体であって、
前記プログラムは、第1のネットワークと無線接続可能な第1の手段と、第2のネットワークと無線接続する他の通信装置と無線接続可能な第2の手段とを含む通信装置に、前記第2のネットワークに関する情報に基づいて前記第1及び第2のネットワークから選択されたネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いるかを制御する処理を実行させる、
コンピュータ可読媒体。 - プログラムを格納した非一時的なコンピュータ可読媒体であって、
前記プログラムは、第1のネットワークと無線接続可能な第1の手段と、第2のネットワークと無線接続する他の通信装置と無線接続可能な第2の手段とを含む通信装置に、前記第2のネットワークに関する情報に基づいて、前記第1及び第2のネットワークから、前記他の通信装置が使用するネットワークを選択する処理を実行させる、
コンピュータ可読媒体。 - 第1のネットワークと無線接続可能な第1の手段と、第2のネットワークと無線接続する他の通信装置と無線接続可能な第2の手段とを含む通信装置に、前記第2のネットワークに関する情報に基づいて前記第1及び第2のネットワークから選択されたネットワークに応じて、前記第1の手段又は前記第2の手段のいずれを用いるかを制御する処理を実行させるプログラムを、前記通信装置に配信する手段を備える配信サーバ。
- 第1のネットワークと無線接続可能な第1の手段と、第2のネットワークと無線接続する他の通信装置と無線接続可能な第2の手段とを含む通信装置に、前記第2のネットワークに関する情報に基づいて、前記第1及び第2のネットワークから、前記他の通信装置が使用するネットワークを選択する処理を実行させるプログラムを、前記通信装置に配信する手段を備える配信サーバ。
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JP2020010385A (ja) * | 2014-03-24 | 2020-01-16 | シャープ株式会社 | 端末装置及びProSeサーバ装置 |
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US9743331B1 (en) * | 2016-01-29 | 2017-08-22 | Google Inc. | Techniques for remotely managing device connectivity in response to cellular network outages |
JP2018007148A (ja) * | 2016-07-06 | 2018-01-11 | セイコーエプソン株式会社 | 無線通信システムおよび無線通信装置 |
US11564140B2 (en) * | 2017-06-23 | 2023-01-24 | Tracfone Wireless, nc. | Device, system, and process for changing networks for wireless devices |
JP7402697B2 (ja) * | 2020-01-17 | 2023-12-21 | キヤノン株式会社 | 通信装置、制御方法、及びプログラム |
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