WO2005091666A1 - 無線通信端末及び無線通信方法 - Google Patents
無線通信端末及び無線通信方法 Download PDFInfo
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- WO2005091666A1 WO2005091666A1 PCT/JP2004/003562 JP2004003562W WO2005091666A1 WO 2005091666 A1 WO2005091666 A1 WO 2005091666A1 JP 2004003562 W JP2004003562 W JP 2004003562W WO 2005091666 A1 WO2005091666 A1 WO 2005091666A1
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- WIPO (PCT)
- Prior art keywords
- authentication information
- terminal authentication
- terminal
- wireless communication
- base station
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
Definitions
- the present invention relates to, for example, a wireless communication terminal that transmits and receives voice data and a wireless communication method.
- the Internet telephone network system is a system for transmitting and receiving voice data via the Internet including a wireless network.
- Internet telephone network systems have a form in which a wireless communication terminal is provided at the end.
- the wireless communication terminal on the calling side performs wireless communication.
- the called wireless communication terminal performs wireless communication.
- an IP (Internet Protocol 1) address is assigned to a calling wireless communication terminal and a called wireless communication terminal for communication.
- the IP address is an address that identifies a source terminal and a destination terminal that communicate with each other according to the Internet communication protocol.
- TC PZ IP fransmission control protocol / internet protocol
- UDP user data protocol
- TCP checks whether data has arrived at the other end, but UDP does not check, so reliability is low.
- UDP has a higher transfer rate than TCP.
- UDP is generally used for streaming.
- IP address simply includes both types of IP addresses.
- a patent application for a communication network system capable of performing communication even through a firewall, a local area network using a local IP address, or a dynamic IP address assignment has already been filed.
- HTTP HyperTecTtTransferrProtocol
- HTTP is a protocol used by web servers and terminal browsers to send and receive data.
- the HCAP method provides a wireless or wired network environment or network connection environment.
- the wireless communication terminal on the calling side and the wireless communication terminal on the called side perform wireless communication.
- the calling and called network devices perform wireless or wired communication.
- a session management server connected to the network controls and manages incoming and outgoing calls between the calling wireless communication terminal and the called wireless communication terminal.
- voice data is transmitted and received between the calling wireless communication terminal and the called wireless communication terminal via a communication relay server.
- the called network device is under the line connection device of AD SL (Asymme tric digital subscriber line). In some cases. For this reason, the address of the called wireless communication terminal is dynamically assigned, or the local IP address is assigned to the called wireless communication terminal.
- AD SL Analog tric digital subscriber line
- the communication relay server selects a communication method according to the network environment of the called side, and communicates with the wireless communication terminal on the calling side and the wireless communication terminal on the called side. Connect.
- ADSL Internet connection environments
- CATV Consumer Televisio n
- FTTH Fiber To Home
- Internet condominiums In any of these Internet connection environments, wireless communication terminals are placed underneath by setting router devices. Also in this case, the address of the wireless communication terminal is dynamically assigned, or the local IP address is assigned to the wireless communication terminal.
- the communication relay server selects a communication method according to the network environment of the called side, and connects the calling side wireless communication terminal and the called side wireless communication terminal. I do.
- H.323 which is standardized by the standardization organization ITU-T (Internationalization 1 Telecommunication Union-Teiecommm unicationsector), and the standardization organization IETF (Internet Engineering Technology)
- ITU-T Internationalization 1 Telecommunication Union-Teiecommm unicationsector
- IETF Internet Engineering Technology
- SIP Session Initiation Protocol
- MGCP Media Gateway Control Protocol
- SIP is the control protocol of the application layer of the reference model (OSI, ops ns ys e t s e s in nt e r c cn e n c e t c io n).
- OSI application layer of the reference model
- SIP is a control protocol that can set up, change, and disconnect calls in applications such as Internet telephony.
- MGCP is a protocol for converting an audio signal transmitted by PSTN (publicsswitchedttelelephonenework) into a data packet transmitted on the Internet.
- PSTN publicsswitchedttelelephonenework
- a wireless communication terminal is arranged at the end.
- audio data may be transmitted and received via the Internet including a wireless network.
- An object of the present invention is to provide a system in which a terminal and a base station can communicate efficiently in an Internet telephone network system. Disclosure of the invention
- a wireless communication terminal includes: a terminal authentication information storage unit that stores a plurality of terminal authentication information for obtaining a communication authentication permission from a base station;
- a terminal authentication information transmission control unit that attempts to access a base station using at least one of the plurality of terminal authentication information stored in the terminal authentication information storage unit;
- a terminal authentication information validity confirmation unit for confirming the validity of the terminal authentication information used by the terminal authentication information transmission control unit based on whether access to the base station from the terminal authentication information transmission control unit is successful or not;
- a communication unit that communicates with the base station using the terminal authentication information whose validity has been confirmed by the terminal authentication information validity confirmation unit.
- the terminal authentication information storage unit stores a communication specification as a part of the terminal authentication information
- the wireless communication terminal further comprises:
- the protocol storage unit that stores multiple types of protocol execution routines and the protocol corresponding to the communication specifications included in the terminal authentication information whose validity has been confirmed by the terminal authentication information validity confirmation unit are written in the protocol storage unit.
- a protocol start control unit that selects from among a plurality of types of stored protocols and starts communication with the base station using the selected protocol; It is provided with. '
- the wireless communication terminal further comprises:
- a terminal authentication information priority specifying unit for specifying a priority for a plurality of terminal authentication information stored in the terminal authentication information storage unit
- the terminal authentication information transmission control unit selects one terminal authentication information from the plurality of terminal authentication information according to the priority order specified by the terminal authentication information priority specification unit, and attempts access to the base station. It is characterized by the following.
- the wireless communication terminal further comprises:
- a terminal authentication information search unit that searches for terminal authentication information from a plurality of terminal authentication information stored in the terminal authentication information storage unit;
- the terminal authentication information transmission control unit accesses the base station using the terminal authentication information searched by the terminal authentication information search unit.
- the terminal authentication information storage unit stores, as terminal authentication information,
- Terminal authentication information for receiving authentication from a base station connected to the public local area network accessible to the public, and 'terminal authentication information for receiving authentication from a base station connected to a private local area network installed by an individual.
- Device credentials for receiving authentication from a base station connected to the public local area network accessible to the public, and 'terminal authentication information for receiving authentication from a base station connected to a private local area network installed by an individual.
- At least two of terminal authentication information for receiving authentication from a base station connected to a free local area network that can be freely accessed without authentication are stored. You.
- the terminal authentication information storage unit stores a plurality of types of protocols for the wireless local area network as the terminal authentication information.
- the terminal authentication information transmission control unit accesses a base station using a plurality of types of protocols with respect to a wireless local area network.
- a wireless communication method for a wireless communication terminal includes: a plurality of terminals storing a plurality of terminal authentication information for obtaining communication authentication permission from a base station in a terminal authentication information storage unit; Attempts to access the base station using at least one of the authentication information, and checks the validity of the terminal authentication information based on the success or failure of the access to the base station. It is characterized by communicating with a base station using information.
- the wireless communication method according to the present invention stores a communication specification as a part of the terminal authentication information
- the wireless communication method further comprises:
- Protocol execution routines are stored in the protocol storage unit, and protocols corresponding to the communication specifications included in the terminal authentication information whose validity has been confirmed are stored in the protocol storage unit. One of these is to start communication with the base station using the selected protocol.
- the wireless communication method further includes:
- one terminal authentication information is selected from a plurality of terminal authentication information, and an attempt is made to access the base station.
- a wireless communication program provides communication authorization from a base station.
- FIG. 1 is a system configuration diagram of the Internet communication system according to the first embodiment.
- FIG. 2 is a hardware configuration diagram of the wireless communication terminal 10.
- FIG. 3 is a block diagram of the wireless communication terminal 10.
- FIG. 4 is a diagram showing an example of the terminal authentication information 80 stored in the terminal authentication information storage unit 71.
- FIG. 5 is a flowchart showing a specific operation of the wireless communication terminal 10.
- FIG. 6 is a flowchart showing a specific operation of the wireless communication terminal 10.
- FIG. 7 is a system configuration diagram in a case where the wireless communication terminal 10 and the wireless communication terminal 19 make a call between extensions.
- FIG. 8 is a system configuration diagram in the case where the wireless communication terminal 10 and the telephone set 14 make a call between an extension and an outside line.
- FIG. 9 is a system configuration diagram in a case where the wireless communication terminal 10 and the wireless communication terminal 19 make a telephone call with one extension.
- FIG. 10 is a diagram showing a display device such as a liquid crystal display panel of the wireless communication terminal 10.
- FIG. 11 is a diagram illustrating a state in which one wireless communication terminal 10 changes the priority of terminal authentication information according to a location.
- an Internet telephone network system will be described.
- terminal authentication information is exchanged between a terminal and a base station.
- the terminal switches the communication means of the terminal based on the information for which the connection is permitted from the base station.
- the terminal communicates by efficient communication means according to the base station to which the terminal is connected. That is, in the embodiment described below, an Internet telephone that performs communication by efficient communication means according to the connected base station will be described.
- a terminal is a wireless communication terminal that transmits and receives data having real-time characteristics.
- a typical terminal is a wireless communication terminal that transmits and receives voice data.
- audio data is an example of data having real-time characteristics. Not only audio data but also image data for displaying moving images and 3D graphics can be similarly applied.
- the form of the wireless communication terminal in the embodiment described below corresponds to a form such as a wireless telephone form, a portable personal computer telephone form, or an electronic organizer telephone form.
- the embodiment of the present invention is not limited to the HCAP method as the Internet communication method, and the present invention is also effective with other communication methods and protocols.
- a method that combines the HCAP method with other communication methods and protocols may be used.
- a combination of the HCAP method and the SIP method may be used.
- the terminal In both the HCAP method and the existing standard network communication system, if the terminal is a wireless communication terminal, the terminal receives the radio signal within the range of the radio signal from the terminal and enters the network.
- a connecting device is required.
- this device is called a base station or an access point.
- the terminal holds the IP address and performs voice communication using the IP address as one of the identification information for transmission and reception.
- the terminal holds network connection permission information other than the IP address.
- the base station communicates this network connection permission information between the terminal and the base station in order to identify whether the connection of the terminal is permitted or not.
- this network connection permission information is referred to as terminal authentication information.
- An Internet communication adapter (or interface) that provides this Internet communication (call) function Network call adapter).
- This Internet communication adapter may have a separate housing and be connected (externally attached) to the wireless communication terminal, or may be detachable from the wireless communication terminal via a connector. Alternatively, it may be incorporated in a circuit board inside the housing of the wireless communication terminal in advance.
- a management server that manages the communication adapter and the communication relay server is installed.
- this management server is referred to as a “session management server”.
- the communication network system has multiple session management servers. For each session management server, the wireless communication terminal managed by the session management server is determined in advance. If there are multiple session management servers, the wireless communication terminal needs to know which session management server is managed by itself. Therefore, the wireless communication terminal receives an inquiry about which session management server is managing the wireless communication terminal, and sends the session management server that manages the wireless communication terminal to the wireless communication terminal. Provide a notification server for notification. Hereinafter, this notification server is referred to as "designated notification server”.
- FIG. 1 is a system configuration diagram of the Internet communication system according to the first embodiment.
- Existing mobile phone 1 2 communicates with mobile phone base station 4 1.
- the wireless communication terminal 10 communicates with the mobile phone base station 41.
- the mobile phone base station 41 communicates with the existing public line telephone 13 via the public line 40.
- the public line 40 communicates with the telephone 14 via the IP telephone terminal 20.
- the IP telephone terminal 20 is an example of an Internet communication adapter.
- the mobile phone base station 41 is also simply referred to as the base station 41.
- the wireless communication terminal 10 can communicate with the wireless LAN compatible ISP server 31 via the wireless LAN repeater 29.
- the wireless LAN compatible ISP server 31 can communicate with the operation management server 33 and the ISP operation relay server 34 via the Internet 30. Further, the wireless LAN compatible ISP server 31 can communicate with the telephone 14 via the IP telephone terminal 20.
- the Internet 30 and the public line 40 can communicate with each other via an IP telephone gateway 42 and an SIP server 32.
- the wireless communication terminal 19 is composed of the mobile phone base station 41 and the wireless LAN compatible ISP server 31.
- FIG. 2 is a hardware configuration diagram of the wireless communication terminal 10.
- the wireless communication terminal 10 includes a CPU (CentralPRocsEngSingleUnit) 137 for executing a program.
- CPU CentralPRocsEngSingleUnit
- the CPU 1337 is connected to a ROM (read only memory) 1339, a RAM (random access memory) 140, a communication board 144, a display device 141, and a K / B (keyboard) via a bus 1338. ) Connected to 14 2 and nonvolatile memory 1 5 7. At the end of the communication board 144 is an antenna 199.
- ROM read only memory
- RAM random access memory
- K / B keyboard
- the wireless communication terminal 10 is a notebook personal computer, a mouse 143, FDD (flexible disk drive) 145, magnetic disk unit 146, CDD 186, printer unit 18 7. It may be connected to the scanner device 18 8.
- FDD flexible disk drive
- the RAMI 40 is an example of a volatile storage unit, and is an example of a storage unit.
- the ROM 139, the magnetic disk device 146, and the nonvolatile memory 157 are examples of a nonvolatile storage unit, and are examples of a storage unit.
- the communication board 144, the K / B 142, and the FDD 145 are examples of the input unit.
- the communication board 144 and the display device 141 are examples of an output unit.
- the communication board 144 has a function capable of wireless communication.
- the communication board 144 may be further connected to a fax machine 310, a telephone 320, a LAN 105, or the like by a connection cable.
- the communication board is not limited to the wireless LAN, but may be connected to the Internet or WAN (Wide Area Network).
- Internet or WAN Wide Area Network
- wireless communication terminal 10 It is connected to the Internet or WAN via a line base station or ISP (Internet Service Provider).
- ISP Internet Service Provider
- the nonvolatile memory 157 or the ROM 139 stores an operating system (OS) 147, a window system 148, a program group 149, and a file group 150.
- the programs are read and executed by the CPU 137, the OS 147, and the window system 148.
- the program group '149 stores a program that executes a function described as “-unit” in the description of the embodiment described below.
- a file group 150 stores the program described in the following embodiment.
- the information and data stored in the “-storage unit” described in the description of “1” are stored as the “-file”.
- Information and data are recorded on other recording media such as ROM139 and RAMI40. Alternatively, it is transmitted over a signal line or other transmission medium.
- firmware stored in the nonvolatile memory 157 or the ROM 139.
- it may be implemented by software only, or hardware only, a combination of software and hardware, or a combination of firmware.
- —unit can perform the processing by a program.
- the program is stored in another recording medium such as the ROM 139 and the RAMI 40, and is read and executed by the CPU.
- FIG. 3 is a block diagram of the wireless communication terminal 10.
- FIG. 3 shows logical components required for the wireless communication terminal 10 to operate as an Internet wireless communication terminal.
- the Internet wireless communication terminal 10 is also simply referred to as a wireless communication terminal 10 (or a wireless communication terminal).
- the Internet wireless communication terminal 10 performs data communication using the Internet.
- the wireless communication terminal 10 includes a communication unit 70 that communicates with a partner terminal via a base station.
- the wireless communication terminal 10 includes a terminal authentication information storage unit 71 that stores at least two or more pieces of terminal authentication information.
- the terminal authentication information refers to data sent from the terminal to the base station so that the terminal starts communication with the base station.
- the wireless communication terminal 10 includes a terminal authentication information transmission control unit 72 that controls the transmission order of a plurality of terminal authentication information.
- the terminal authentication information transmission control unit 72 transmits the terminal authentication information to the base station in the order of transmitting the predefined terminal authentication information.
- the wireless communication terminal 10 includes a terminal authentication information validity checking unit 73 that checks whether the terminal authentication information transmitted to the base station is valid at the base station.
- the wireless communication terminal 10 includes a terminal authentication information priority designation unit 74 that controls the transmission order of the plurality of terminal authentication information of the terminal authentication information transmission control unit 72.
- the terminal authentication information priority designation unit 74 controls the transmission order of the terminal authentication information by, for example, having the user designate the priority of the terminal authentication information in advance.
- the wireless communication terminal 10 includes a terminal authentication information search unit 75 that can efficiently search for the terminal authentication information stored in the terminal authentication information storage unit 71.
- the terminal authentication information search unit 75 efficiently searches, for example, from identification information indicating a location included in the terminal authentication information.
- the wireless communication terminal 10 includes a protocol storage unit 76 that stores a routine that executes a plurality of Internet communication protocols (HCAP, SIP, TCP, UDP, etc.).
- HCAP Internet communication protocols
- SIP Session Initiation Protocol
- TCP Transmission Control Protocol
- UDP User Datagram Protocol
- the wireless communication terminal 10 includes a protocol start control unit 77 that starts communication using a protocol selected from a plurality of protocols. Using the selected Internet communication protocol, the radio communication terminal 10 controls the protocol start control unit 77 according to parameters necessary for the protocol start control, and starts communication. Further, the protocol start control unit 77 starts communication according to the validity confirmed by the terminal authentication information validity confirmation unit 73.
- the wireless communication terminal 10 includes an input unit 78 such as a numeric keypad. Further, the wireless communication terminal 10 includes an output unit 79 such as a display device (liquid crystal display panel) and a warning sound generator (speaker).
- an input unit 78 such as a numeric keypad.
- the wireless communication terminal 10 includes an output unit 79 such as a display device (liquid crystal display panel) and a warning sound generator (speaker).
- the wireless communication terminal 10 includes a position specifying unit 68 such as GPS (GlobalPositioinngSystem).
- the wireless communication terminal 10 can know a nearby access point (base station) by incorporating the position specifying unit 68.
- the wireless communication terminal 10 can perform efficient authentication processing by transmitting from the authentication information of a nearby access point (base station).
- the wireless communication terminal 10 includes a local IP address resolution unit 69 that performs Internet communication using the UDP protocol.
- the wireless communication terminal 10 uses the local IP address resolution unit 69 to send a global IP address. It is possible to communicate across existing NAT routers without the need to allocate resources dynamically or dynamically.
- FIG. 4 is a diagram illustrating an example of the terminal authentication information 80 stored in the terminal authentication information storage unit 71.
- the terminal authentication information 80 includes items of an identifier 81, an identification tag 82 (setting mode 83), an Internet communication protocol name 84 (1P telephone protocol name 85), and a protocol start control parameter 86.
- an identifier for establishing the wireless communication terminal 10 as a terminal using the wireless communication terminal 19 is recorded.
- a serial number of the wireless communication terminal 10 a serial ID, or an individual IP telephone number is recorded.
- the mobile phone identifier for example, the phone number of the mobile phone is recorded.
- PHS registered trademark
- PHS Pe r s o n a l H a n d y p o n e S y s t em
- the identification tag 82 is identification data indicating the setting mode.
- a case is shown in which the wireless communication terminal 10 has the following six modes.
- the intra-organization mode is a mode for receiving authentication from a base station connected to an intra-organization local area network installed in the organization.
- An organization is a company or company.
- the premises A mode and the premises B mode are used as the in-organization modes.
- the premises A mode is a mode for receiving authentication from, for example, a base station connected to the head office roll area network installed at the Tokyo head office.
- the premises B mode is, for example, a mode for receiving authentication from a base station connected to the factory local area network installed at the Osaka factory. It is one.
- the public mode is a mode for receiving authentication from a base station connected to a public local area network accessible to the public. In the case of public mode, registration is made for each ISP and each base station service vendor.
- the public mode includes public A mode and public B mode.
- the public A mode is, for example, a mode in which the wireless LAN vendor A receives authentication from a base station connected to a public area network operated for public use.
- the public B mode is, for example, a mode in which the wireless LAN vendor B receives authentication from a base station connected to a local area network operated for public use.
- the home mode is a mode in which an individual, for example, receives authentication from a base station connected to a private local area network installed at home.
- the free mode is a mode for receiving authentication from a base station connected to a free local area network that can be accessed by anyone without authentication.
- This mode is for making IP calls over the Internet.
- This mode is for making an existing analog phone call.
- This mode can be a digital call mode.
- the wireless communication terminal 10 is characterized in that the mode can be set at each access location.
- usable IP telephone protocol names 85 are recorded as communication specifications.
- the names of the HCAP system and the SIP system are registered as usable protocols (communication specifications).
- the name of the existing analog telephone protocol is registered as a communication specification.
- the wireless LAN specification (wireless LAN type) is registered.
- wireless LAN As the specifications of the wireless LAN, for example, standard protocol types such as 802.1la and 802.11b are registered. Other wireless LAN protocols may be registered.
- 80.2.11 is the specification of the standard group of wireless LAN
- 802.11a is about 5.2 Mbps wireless communication at about 54 Mbps.
- 80 2. lib is a specification that communicates at about 11 Mb ps over 2.4 GHz band wireless
- 80 2.1 lg is a 2.4 GHz band It is a specification that communicates at about 54 Mbps.
- ESS-ID and WEPKey are registered as authentication information for the base station. This means that if ESS-ID and WE PK Ey are not authenticated, it cannot communicate with the base station.
- the ES-ID Extended Service Set Identifier
- the wireless LAN access point base station
- each terminal can set the ESS-ID, and the wireless AN access point communicates only with the terminal with the matching ESS-ID. Can be done.
- WEPKey (WiRedEquivallentPrivacyKey) is an encryption key in wireless communication.
- the wireless communication terminal 10 When the wireless communication terminal 10 operates as a mobile phone, the authentication information of the existing mobile phone is registered.
- protocol start control parameter 86 authentication information such as a local authentication user ID and a password is registered in accordance with each specification of each setting mode.
- S A-mode 80.2.11a For example, for S A-mode 80.2.11a, ESS-ID, WEPKey, premises authentication user ID, and password are registered. This indicates that when using the premises A mode 80.2.11a, it is not possible to communicate with the base station unless the SS-ID, WE PK ey, premises authentication user ID, and password are authenticated.
- ESS-ID, WEPKey, and “no premises authentication” are registered for 80 2. lib in premises A mode. This is because when using the type of the specification of 802.11b in the premises A mode, if the ESS-ID and the WEPKey are authenticated, the authentication of the premises authentication user ID and the passcode is not required. It is shown that.
- ESS—ID, WE PKey, ISP authentication user ID, and password are registered for 802.11 g in public A mode. This means that if you use public mode A 802.11 g, ES Unless the S-ID, WE PKey, ISP authentication user ID, and password are authenticated, it cannot communicate with the base station.
- “no authentication” is registered for 802.1b in the free mode. This indicates that no authentication of ESS-ID, WEPKey, authenticated user ID, and password is required when using the free mode 80 2. lib.
- the wireless communication terminal 10 is used in an Internet telephone network system.
- the wireless communication terminal 10 transmits and receives voice data via the Internet including a wireless network.
- the wireless communication terminal 10 communicates terminal authentication information with the wireless communication terminal 10 and the mobile phone base station 41, and switches the communication protocol of the wireless communication terminal 10 based on the information for which connection has been permitted.
- the wireless communication terminal 10 emits a radio wave to a nearby wireless base station using the authentication information. If there is a base station that can authenticate the authentication information within the range of the radio wave, the base station will respond.
- Wireless communication terminal 10 and base station 41 can communicate with each other.
- Wireless communication terminal 10 and base station 41 identify connection permission For this purpose, terminal authentication information is exchanged between the wireless communication terminal 10 and the base station 41.
- the wireless communication terminal 10 has a terminal authentication information storage unit 71, and stores a plurality of terminal authentication information 80 in the wireless communication terminal 10 in the form of, for example, a table as shown in FIG. It is stored in the device.
- the table of this example is a set of information of, for example, “identifier 81”, “identification tag 82”, “Internet communication protocol name 84”, and “protocol start control parameter 86”.
- the terminal authentication information includes, as an identification tag 82, 1. Access to a wireless LAN base station 41 of an organization such as a company, a school, a public facility, or a building or site of various organizations or a premises. Force that is an in-organizational mode that shows
- Public mode which indicates that general airports, train stations, restaurants, stores, and accommodation facilities can access public access points that are widely open to general users.
- the identification tag 82 indicating the communication mode, the communication protocol specification of the mode, and the parameters are registered.
- the in-organization mode and the public mode corresponding to the identification tag are used.
- the wireless communication terminal shifts to various modes such as home mode and free mode.
- ISPs and base station service vendors to be connected vary depending on the access point (mobile phone base station 41) to be connected. Various things are assumed. These ISPs (Internet Services Providers) and base station service vendors are determined according to the access points that users accidentally use. Therefore, by registering authentication information on ISPs and base station service vendors that can be used for each access point in the wireless communication terminal 10 with their identification tags and registering them as authentication information, Appropriate authentication information can be found and used.
- the terminal authentication information transmission control unit 72 of the wireless communication terminal 10 selects the identification tag 82 indicated by the identifier 81 in the order of priority defined by the terminal authentication information priority specification unit 74, and performs terminal authentication.
- the information is sent to the mobile phone base station 41.
- the terminal authentication information transmission control unit 72 attempts communication in accordance with the corresponding protocol start control parameter 86.
- a response such as OK, or OK, no response, etc. is returned from the mobile phone base station 41. If the terminal authentication information validity checking unit 73 confirms a response of ⁇ or no response, it transmits another defined terminal authentication information in order of priority.
- the protocol start control unit 77 starts communication using the communication protocol stored in the protocol storage unit 76.
- FIGS. 5 and 6 are flowcharts showing specific operations of the wireless communication terminal 10.
- the terminal authentication information 80 shown in FIG. 4 is registered in the terminal authentication information storage unit 71. Also, the terminal authentication information priority designation unit 74 An example will be described in which the priority is set in the order of reducing communication costs among a plurality of types of setting modes.
- connection fee is owned by the company.
- the call fee is free by the HCAP method, and for a pay phone, the call fee is reduced by the SIP method.
- connection fee is a fixed monthly connection fee.
- the call fee is free by the HCAP method, and for a pay phone, the call fee is reduced by the SIP method.
- connection fee is owned by another person, and if an IP phone is used, the call fee is free using the HCAP method, and if a pay phone is used, the call fee is reduced using the SIP method.
- connection fee is a fixed monthly connection fee.
- the call fee is free by the HCAP method, and for a public phone, the call fee is low by the SIP method.
- the IP phone mode of the mobile phone in the above 5 is a fixed monthly connection charge.
- the call fee is free by the HCAP method, and for a pay phone, the call fee is low by the SIP method.
- connection fee is metered. Call costs are highest.
- terminal authentication information transmission control section 72 sends terminal authentication information 80 to the base station in the order of 1 to 6 above, and the base station responds in any one of the modes. This is an operation flow for starting communication with the base station when the user is authenticated by the authentication information 80.
- the user inputs a telephone number to the wireless communication terminal 10 using the input unit 78.
- a telephone number it is assumed that an IP telephone number or a public telephone number is input.
- the wireless communication terminal 10 starts the operation shown in the flowchart of FIG. 5 by triggering the input of the telephone number.
- the terminal authentication information transmission control unit 72 first selects the local A mode. In the premises A mode, the first terminal authentication information 80
- the terminal authentication information transmission control unit 72 transmits the ESS-ID, the WEPKey, the local authentication user ID, and the password based on the specification of 80.2.11a. As a result, if the authentication is obtained from the base station, in S12, the communication in the local A mode according to the specification of 80.2.11a is determined.
- the protocol start control unit 77 operates. If the input telephone number is an IP telephone number, the protocol start control unit 77 selects an HCAP protocol execution routine from the protocol storage unit 76 and operates the protocol execution routine. If the input telephone number is a public telephone number, the protocol start control unit 77 selects a protocol execution routine of the SIP method from the protocol storage unit 76 and operates the protocol execution routine. After that, communication is performed by the HCAP or SIP method until the line is disconnected.
- the terminal authentication information transmission control unit 72 tries the next access.
- the terminal authentication information 80 is registered with the specification of 82. lib, ESS-ID, WE PKey, and "no authentication".
- the terminal authentication information transmission control unit 72 transmits ESS-ID and WEPKey based on the specification of 8002.lib.
- the protocol start control unit 77 operates. If the input telephone number is an IP telephone number, the protocol start control unit 77 selects an HCAP protocol execution routine from the protocol storage unit 76 and operates the protocol execution routine.
- the protocol start control unit 77 selects a protocol actual routine of the SIP method from the protocol storage unit 76 and operates the protocol execution routine. After that, communication is performed by the HC AP method or the SIP method until the line is disconnected.
- the output unit 79 displays the out-of-service area on the display device 141 in S99. Then, the terminal authentication information transmission control section 72 starts the processing of S11 after a certain time has elapsed.
- FIG. 7 is a system configuration diagram in a case where the wireless communication terminal 10 and the wireless communication terminal 19 make a call between extension lines.
- the wireless communication terminal 1 ⁇ and the wireless communication terminal 19 are on the company premises, and the wireless communication terminal 10 is in the premises mode from the access point 50 (base station). This shows the case where the user is authenticated. Also, a case where the wireless communication terminal 19 is authenticated in the private mode from the access point 59 is shown.
- the wireless communication terminal 10 and the wireless communication terminal 19 complete the outgoing / incoming call via the session management server 35 by the HCAP call control, and communicate with the specifications of G.721a. In the case of FIG. 7, both the wireless communication terminal 10 and the wireless communication terminal 19 communicate with the fixed IP address by UDP.
- FIG. 8 is a system configuration diagram in a case where the wireless communication terminal 10 and the telephone set 14 make a call between an extension and an outside line.
- the wireless communication terminal 10 is on the company premises, and the telephone 14 is connected to the telephone network 49.
- FIG. 8 shows a case where the wireless communication terminal 10 is authenticated from the access point 50 in the private mode.
- the wireless communication terminal 10 and the telephone set 14 complete the outgoing / incoming call via the SIP server 32 by SIP call control, and communicate with the G.711 specification.
- the wireless communication terminal 10 communicates by UDP with the IP address fixed.
- FIG. 9 is a system configuration diagram in a case where the wireless communication terminal 10 and the wireless communication terminal 19 make a telephone call with one extension.
- FIG. 9 shows a case where the wireless communication terminal 10 is on the company premises, and the wireless communication terminal 19 is at the public spot 61 or at home 62.
- FIG. 9 shows a case where the wireless communication terminal 10 is authenticated from the access point 50 in the private mode.
- the wireless communication terminals 10 and 19 complete outgoing / incoming calls via the session management server 35 by HCAP call control, and communicate via the voice relay server 36 according to the specifications of the compression protocol (G.729a). It shows the case of communication.
- the wireless communication terminal 19 and the voice relay server 36 perform voice data communication in SIP, HTTP, or UDP.
- the voice relay server 36 and the wireless communication terminal 10 have the NAP T router 52, the HTT Perform voice data communication on P.
- IP address is used as an IP telephone communication method in the wireless LAN (Local Area Network) standard such as IEEE (Institute of Electronics 1 and Electronic Engineering) 8 0 2.1 la, b, g.
- IEEE Institute of Electronics 1 and Electronic Engineering
- 3 ⁇ 4rUDP User Data Protocol Protocol 1
- HTTP Hyper Text Transfer Protocol
- the NAPT (Network Adre ss Port T rans l a t io n) router 52 shown in FIG. 9 has an address conversion function like the NAT router.
- the address conversion function of the NAP T router 52 is a function of converting a plurality of low power IP addresses and one global IP address.
- a network address translation (NAPT) router 52 and a network address translator (NAT) In some cases, only voice data communication using HTTP may be possible.
- general public access points often allow only voice data communication by HTTP.
- the voice relay server 36 exchanges UDP and HTTP, and Is an exchange between SIP and HTTP.
- An implementation example in which voice data communication by HTTP is set as public mode terminal authentication information is also effective.
- the wireless communication terminal 10 to have the NAT (Network Address Translator) on the access point side allocate UDP port usage, thus, UDP voice data communication can be realized.
- NAT Network Address Translator
- UP n P Un iversal Plug and Lay
- 3 ⁇ 4 T iJ N 3 ⁇ 4 T iJ N (di mp 1 e Traversal of UDP Through Net) are used in communication negotiation processing between the wireless communication terminal 10 and the NAT router.
- wo rk Ad dress Translators NAT routers are static, using methods such as NAT router traversal method studied by IETF and MI DCOM (NAT router traversal method studied by I ETF MI DCOM WG). Or it may be possible to dynamically allocate UDP ports.
- the local IP address resolution unit 69 performs communication negotiation processing with the NAT router.
- the wireless communication terminal 10 can make settings for transmitting and receiving UDP voice data in the public mode in correspondence with this type of NAT router.
- the local IP address resolution unit 69 accepts the fixed or dynamic allocation of the local IP address, and sends static IP masquerade automatic setting information (such as UPnP information) to the router that controls the base station. Sends out and negotiates communication with the NAT router. After that, the communication unit 70 Communicate by protocol.
- static IP masquerade automatic setting information such as UPnP information
- the wireless communication terminal 10 accepts the fixed or dynamic assignment of the local IP address in the organization mode and communicates with the UDP protocol, and in the public mode, the fixed or dynamic assignment of the global IP address. I will accept it and communicate with the Internet using the UDP protocol.
- the wireless communication terminal 10 uses the UDP protocol by the local IP address resolution unit 69 that executes a method that transcends existing NAT routers such as MI DCOM, STUN, and UPnP. Internet communication may be performed by using.
- the wireless communication terminal 10 includes a plurality of ESS-IDs, WE PKeys as data stored in the terminal authentication information storage unit 71 that stores a plurality of terminal authentication information. , Registers authentication information for wireless LAN standards such as WPA.
- the terminal authentication information 80 is sequentially transmitted according to the terminal authentication information transmission control unit 72 that controls the transmission order of the terminal authentication information. If the mode of the terminal authentication information adopted by the terminal authentication information validity check unit 73 is the in-organization mode, the IP address is fixed and the communication is performed by UDP, and if the mode is the public mode, the IP address dynamic assignment is accepted. Internet communication using HTTP.
- the wireless communication terminal 10 includes a terminal authentication information storage unit 71 that stores a plurality of terminal authentication information, and a terminal authentication information transmission control unit that controls the order in which the plurality of terminal authentication information is sent. 72 and a terminal authentication information validity checking unit 73 for checking whether the terminal authentication information is valid.
- the wireless communication terminal 10 includes a protocol storage unit 76 that stores an execution routine of a plurality of Internet communication protocols (HCAP, SIP, TCP, UDP), and a plurality of Internet communication protocols. Communication And a protocol start control unit 77 for starting communication using any one of the Internet communication protocols.
- the wireless communication terminal 10 controls the protocol start control unit 77 according to the validity confirmed by the terminal authentication information validity confirmation unit 73.
- wireless communication terminal 10 of the present embodiment it is possible to provide, in the Internet telephone network system, a system that allows efficient communication between the terminal and the base station according to the base station.
- FIG. 10 is a diagram showing a display device such as a liquid crystal display panel of the wireless communication terminal 10.
- the wireless communication terminal 10 connects to a premises or a public access point (base station 41), the setting mode for the access point is displayed on a display device such as a liquid crystal display panel of the wireless communication terminal 10. This allows the user to confirm what kind of communication path the connection is made to.
- the output unit 79 can notify the user of the switching of the connection mode by the access point in an audio-visual manner by the display unit in order to inform the user why the voice is interrupted.
- the terminal authentication information search unit 75 can receive the position measurement result from the position specifying unit 68 and specify the location of the wireless communication terminal 10.
- the terminal authentication information storage unit 71 stores the geographical conditions such as the premises of a specific company or organization, the premises of the related place, and the location accessible to the public as part of the terminal authentication information 80. Can be registered in the terminal authentication information storage unit 71 as it can.
- the terminal authentication information storage unit 71 can register the terminal authentication information as a data structure of a tree structure, a directory structure, an array structure, a table structure, and a map structure in consideration of these geographical conditions. Alternatively, terminal authentication information can be registered as a data structure composed of a combination of these structures.
- the terminal authentication information search unit 75 manages the location of the wireless communication terminal 10 and the location of the access point.
- the terminal authentication information search unit 75 searches for the terminal authentication information according to the data structure of the terminal authentication information storage unit 71 according to the location of the wireless communication terminal 10 or the location of the access point.
- the terminal authentication information search unit 75 uses a data structure such as a map structure that can be searched from the coordinates of map information and a data structure such as a directory structure that can be searched from items of prefectures, municipalities, and addresses. The efficiency of authentication information search can be improved.
- the terminal authentication information validity checking unit 73 checks whether the terminal authentication information is valid.
- the terminal authentication information validity checking unit 73 determines whether the terminal authentication information is valid based on a response signal from the base station.
- the terminal authentication information validity checking unit 73 may adopt the terminal authentication information whose validity has been confirmed first.
- the terminal authentication information validity checking unit 73 transmits all or a part of the terminal authentication information, identifies whether the terminal authentication information is valid or invalid, stores it in the storage unit, and stores one terminal authentication information from the valid terminal authentication information. You may select and adopt.
- the terminal authentication information validity checking unit 73 may employ terminal authentication information whose validity has been finally confirmed.
- the terminal authentication information validity checking unit 73 may allow the user to register in advance a method of determining adoption from among a plurality of valid terminal authentication information. Yes.
- the ability to preferentially use the communication connection mode depends on those conditions.
- FIG. 11 is a diagram illustrating a state in which one wireless communication terminal 10 changes the priority of terminal authentication information according to a location.
- the wireless communication terminal 10 has a connection mode such as an in-organization mode or a public mode.
- the wireless communication terminal 10 uses a plurality of types of wireless communication methods (802.11a, 80.lib, 80.llg, Bluetooth, mobile phone, etc.) in each connection form. IP communication). That is, within one mode, an appropriate one of the plural types of wireless communication systems can be selected and used.
- the terminal authentication information priority designating section 74 selects an appropriate one of a plurality of types of mode-wireless communication systems, and operates the terminal authentication information transmission control section 72.
- the terminal authentication information priority specification unit 74 For example, the terminal authentication information priority specification unit 74
- the terminal authentication information priority designation unit 74 When controlling the transmission order of a plurality of terminal authentication information, the terminal authentication information priority designation unit 74
- the terminal authentication information priority designation unit 74 Specify the order of. In this case, the probability of connection permission can be increased. Alternatively, the terminal authentication information priority designation unit 74
- the wireless communication terminal 10 is turned off in the continuous connection state. Lowest power consumption. That is, by sending the connection requests in the order described above, the continuous use time for the connection can be made as long as possible.
- the terminal authentication information priority designation unit 74 designates the priority at which a connection request is sent.
- the terminal authentication information priority designation unit 74 is mounted on the wireless communication terminal 10 and realizes a mechanism for automatically controlling connection request transmission.
- the terminal authentication information priority designation unit 74 can change the contents of the priority by the user's operation to improve the usability. For example, when the organization mode is clearly not used for a long period of time during a business trip from the premises of a company or the like, there is no need to start the organization mode authentication processing, so temporarily remove the authentication information search processing. It is efficient to keep. Also, if the company does not allow users to use the public mode in order to reduce communication costs, the public mode can be disabled. The terminal authentication information priority designation unit 74 accepts these settings from the user via the input unit and stores them in the storage unit.
- the terminal authentication information priority specification unit 74 allows the user to specify the priority in advance as a terminal authentication information transmission control method for controlling the transmission order of a plurality of terminal authentication information.
- the terminal authentication information priority designation unit 74 stores the frequency of use of the user in a storage unit and indicates the frequency to the user as a transmission control method of terminal authentication information, and designates the priority of the user. May be assisted.
- the terminal authentication information priority designation unit 74 displays the frequency of use of the authentication information, which can be used as an aid when the user designates the priority of the order of sending the terminal authentication information. .
- the terminal authentication information priority specification section 74 is a terminal authentication information transmission control method. As a rule, the frequency of use of the user's authentication information may be stored, and the most frequently used information may be transmitted.
- the terminal authentication information priority specification unit 74 can perform optimum priority control by learning the frequency of use of authentication information. Also. Efficiency can be improved by sending the most frequent ones.
- the terminal authentication information priority designation unit 74 may store the use results of the user and transmit the terminal authentication information from the most recently used terminal authentication method as a terminal authentication information transmission control method.
- the terminal authentication information priority designation section 74 uses the wireless communication terminal 10 such as the GPS (Global Positioning System) of the wireless communication terminal 10 as a transmission control method. Based on the location of the terminal 10, the information may be transmitted from terminal authentication information for a base station that is spatially or geographically nearby.
- GPS Global Positioning System
- the wireless communication terminal 10 incorporates the position identification unit in the wireless communication terminal, so that the terminal authentication information priority designation unit 74 transmits the information from the authentication information of the nearby access point (base station 41). By doing so, efficient authentication processing can be performed.
- the terminal authentication information priority designation unit 74 registers the above-mentioned transmission control method and other transmission control orders individually or in combination in the storage unit as the terminal authentication information transmission control method. That is, the terminal authentication information priority designation unit 74 processes and changes the terminal authentication information transmission control method, registers it in the storage unit, selects, extracts, and uses it.
- priorities are registered by processing and changing, and By selecting and reusing a user, an efficient authentication process can be realized according to the actual situation of the user.
- the wireless communication terminal 10 has a built-in communication function of an existing mobile phone or mobile phone, so that the wireless communication terminal 10 can use normal communication instead of an IP phone. It is also possible to implement public mode as described above.
- the wireless communication terminal 10 performs Internet telephone communication while retaining the IP address in the in-house mode, and performs voice communication by wireless communication using an existing mobile phone other than the Internet in the public mode. It may be.
- the wireless communication terminal 10 holds the IP address in the organization mode and performs Internet telephone communication, and if the wireless communication terminal 10 is in the public mode, the Internet access is performed by the existing mobile telephone wireless communication in the Vo IP system.
- Voice communication may be performed via an established bucket communication line.
- the wireless communication terminal 10 When the wireless communication terminal 10 is used by a base station in an organization such as a general company, only the wireless communication terminal 10 in the organization is closed. Therefore, as a specific member price service form, users outside the organization may be allowed to use access to the base station of the organization. In other words, the authentication information is shared between the members, and the registered information of the members is managed by a server on the Internet. The member wireless communication terminal 10 can access the registration information and use the base station of an organization to which many members belong.
- the wireless communication terminal 10 has already If there are other modes that can communicate simultaneously at the same location in the current situation, let the user operate the wireless communication terminal 10 to a mode with better communication quality or a mode with lower communication price Then, the mode may be changed. Alternatively, the mode may be changed automatically.
- the user may want to further improve the communication quality, and change the communication mode to, for example, a pay mode access point connection in a public mode, and make the call. It is also possible to measure the radio wave intensity and the packet loss rate of the transferred data and change to better access to the mobile phone base station 41 to make a call.
- a free access point without authentication information may be used to lower the communication cost. That is, when a plurality of communication connection modes can be used at the same time, the user may be allowed to intentionally change the communication mode. Until now, it was assumed that campus mode would be used only within a specific company or other organization.
- a wireless mobile phone is connected to a base station in a user's preferred state. You can continue.
Abstract
Description
Claims
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JP2006511086A JP4630275B2 (ja) | 2004-03-17 | 2004-03-17 | 無線通信端末及び無線通信方法 |
PCT/JP2004/003562 WO2005091666A1 (ja) | 2004-03-17 | 2004-03-17 | 無線通信端末及び無線通信方法 |
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PCT/JP2004/003562 WO2005091666A1 (ja) | 2004-03-17 | 2004-03-17 | 無線通信端末及び無線通信方法 |
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Cited By (3)
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JP2008219733A (ja) * | 2007-03-07 | 2008-09-18 | Softbank Mobile Corp | 移動無線電話による通信と無線lanアクセスポイントによる通信の選択方法及びシステム |
JP2009055165A (ja) * | 2007-08-24 | 2009-03-12 | Panasonic Corp | 中継機能付きip電話装置及びこれを備えたip電話システム並びに通信中継方法 |
JP2018023148A (ja) * | 2013-06-25 | 2018-02-08 | グーグル エルエルシー | 住宅ネットワークの装置のための効率的通信 |
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JP5574869B2 (ja) * | 2010-07-29 | 2014-08-20 | キヤノン株式会社 | 通信装置、中継装置、無線通信システム、通信装置の制御方法、中継装置の制御方法およびプログラム |
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Also Published As
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JP4630275B2 (ja) | 2011-02-09 |
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