WO2001067711A1 - Communication device and communication method - Google Patents
Communication device and communication method Download PDFInfo
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- WO2001067711A1 WO2001067711A1 PCT/JP2001/001781 JP0101781W WO0167711A1 WO 2001067711 A1 WO2001067711 A1 WO 2001067711A1 JP 0101781 W JP0101781 W JP 0101781W WO 0167711 A1 WO0167711 A1 WO 0167711A1
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- Prior art keywords
- wireless communication
- communication
- protocol
- network
- communication network
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/2898—Subscriber equipments
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2858—Access network architectures
- H04L12/2859—Point-to-point connection between the data network and the subscribers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0853—Network architectures or network communication protocols for network security for authentication of entities using an additional device, e.g. smartcard, SIM or a different communication terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/04—Protocols specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/2866—Architectures; Arrangements
- H04L67/30—Profiles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/168—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP] specially adapted for link layer protocols, e.g. asynchronous transfer mode [ATM], synchronous optical network [SONET] or point-to-point protocol [PPP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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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
- H04W12/062—Pre-authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
- H04W12/068—Authentication using credential vaults, e.g. password manager applications or one time password [OTP] applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/02—Inter-networking arrangements
Definitions
- the present invention relates to a communication device and a communication method for performing short-range wireless communication in accordance with, for example, a B1uet0oth system to transmit and receive data to and from an external communication network.
- BT B letooth
- the above-mentioned BT method is used for devices such as mopiles, convenience stores, handheld devices, mobile phones, headsets, wearable computing devices, PC peripheral devices such as printers, and data transfer devices. It is a code name of a new industry standard aiming at realizing wireless connection between human interface devices such as a mouse.
- This BT method is being developed jointly by companies in various industries such as telecommunications and networking, and will realize ad hoc wireless (RF) networking between multiple personal computers and devices.
- the BT method was developed by companies such as Intel, Ericsson, IBM, Nokia, and Toshiba (registered trademark) participating in the BT SIG (Speciall nterest Group).
- the BT method allows a notebook, PDA (Personal Digital Assistant), or mobile phone to share information and various services with a personal computer by wireless communication, eliminating the need for cumbersome cable connections.
- PDA Personal Digital Assistant
- a standard for wireless communication interface control software has been formulated in order to ensure interoperability between devices.
- the wireless communication system 100 adopting the BT method described above is divided into a mobile phone 101, a personal computer 102, a digital camera 103, and a portable information terminal 104. It is equipped with a BT wireless communication module 110. As a result, each mobile phone 101, personal computer 102, digital camera 103, and portable information terminal 104 constituting the wireless communication system 100 uses the mounted wireless communication module 110. By transmitting and receiving data, data can be mutually transmitted and received.
- the mobile phone 101 of the wireless communication system 100 When the mobile phone 101 of the wireless communication system 100 is connected to the Internet network 300 via the mobile communication network 200 by dial-up connection, the personal computer 102 and the digital computer 101 are connected. Camera 103, mobile information terminal 104, wireless communication system 100, and mobile communication network 200, via the internet network 300, an internet connection service provider 30 1 and connect to the WWW (World Wide Web) server 302 in the Internet network 300.
- WWW World Wide Web
- the personal computer 102, the digital camera 103, and the portable information terminal 104 can be connected wirelessly without being connected to the mobile phone 101 by wire. Connection with Internet network 300 becomes possible. Therefore, according to the wireless communication system 100, the portability of the personal computer 102, the digital camera 103, and the portable information terminal 104 can be improved. Further, according to such a wireless communication system 100, only the terminal device such as the portable information terminal 104 is held in a hand in a state where the mobile phone 101 is put in a telephone or the like, and the Internet network 300 is held. Connection to is enabled.
- This host device 500 corresponds to the personal computer 102, digital camera 103 or portable information terminal 104 in FIG. 1 described above.
- the host device 500 is provided with a wireless communication module 5110 corresponding to the wireless communication module 110, which controls external communication, and a host control unit which controls the device itself. 5 3 0
- the wireless communication module 5100 includes a wireless communication unit 511 for controlling wireless communication in the wireless communication system 100, and an antenna unit 512 for transmitting and receiving data to and from each unit constituting the wireless communication system 100. And a pace band control unit 5 13 for controlling the wireless communication unit 5 1 1 and an input / output unit 5 1 4 for performing data input / output by wired connection to the host control unit 5 3 0 And
- the baseband control section 5 13 controls the wireless communication section 5 11 including frequency hopping control. Further, the baseband control unit 513 converts the data into a predetermined format at the time of data transmission and transmits the data via the wireless communication module 510, and receives the data at the predetermined format at the time of data reception. Data conversion is performed to convert the converted data and output it to the P section 530 side after host control.
- the wireless communication unit 511 includes a receiving unit 521 that performs processing for receiving wireless data from the antenna unit 512 and a process that transmits wireless data from the antenna unit 512. Transmitting unit 5 2 2 and whether to transmit wireless data from the transmitting unit 5 2 2 via the antenna unit 5 1 2 or to output wireless data from the antenna unit 5 1 2 to the receiving unit 5 2 1 A switching unit 523 for switching, and a hopping synthesizer unit 524 for generating a local frequency used by the receiving unit 521 and the transmitting unit 5222 and performing spectrum spreading by frequency hopping are provided.
- the wireless communication module 510 includes a RAM (Random Access Memory) 516, a ROM (Read Only Memory) 517 connected to a system bus 515 composed of an address bus and a data bus. It has a CPU (Central Processing Unit) 5 18.
- RAM Random Access Memory
- ROM Read Only Memory
- system bus 515 composed of an address bus and a data bus. It has a CPU (Central Processing Unit) 5 18.
- the CPU 518 generates a control signal for controlling each unit by reading a control program from the ROM 517 for controlling each unit constituting the wireless communication module 510 via the system bus 515. At this time, the CPU 518 uses the RAM 516 as a work area to store data as needed and execute the control program. Thus, the CPU 5 18 controls the baseband control unit 5 13 and the wireless communication unit 5 11 1 to control wireless communication with other devices constituting the wireless communication system 100, and The user data is exchanged with the host control unit 530 via the interface unit 514. ⁇ .
- the host control unit 530 in the host device 500 includes an interface unit 531 for inputting / outputting signals to / from the interface unit 514 of the wireless communication module 510, and a host device 531.
- 0 0 owns the network setting storage unit 5 3 3 that stores the network setting information such as the server address of the internet service provider 3 0 1 when the internet connection is connected, and each host device 5 0 0
- a personal information storage unit 534 for storing personal information such as a user ID, an e-mail address, and a password for each user, and a CPU 535 for controlling these units are connected to a system bus 532.
- the host control unit 5330 includes a power supply unit 536 for supplying power to the wireless communication module 510.
- the network setting information stored in the network setting storage unit 533 and the personal information stored in the personal information storage unit 534 Is output to the wireless communication module 5110, and then the wireless communication section 5111 and the baseband control section 513 are controlled, and the Internet network 3100 is used by using the network setting information and personal information.
- the connection between the host device 500 and the WWW server 302 is established by setting the connection with the CPU 518 of the wireless communication module 510.
- FIG. 3 shows a mobile phone 101 equipped with a wireless communication module 5 10 1, and protocol stacks 6 10 and 6 20 mounted on a mobile information terminal 104.
- the protocol blocks 610 and 620 are, as lower layers, an RF layer that performs FH and transmission and reception in the 2.4 GHz band for realizing a BT wireless communication system 100.
- BB Baseband
- LMP Link Manager Protocol
- L2CAP for multiplexing and segmenting of various protocols and establishing and disassembling segments
- Logical Link Control and Adaptation Protocol Logical Link Control and Adaptation Protocol
- RS has five layers, RFC0MM layer, which is a simple transport protocol for emulating the C232C serial line.
- the mobile phone 101 and the mobile information terminal 104 transmit and receive data in the radio communication system 100 using these five layers.
- PPP Point to Point Protocol
- IP Internet Protocol
- TCP Transmission Control Protocol
- the protocol block 6 10 implemented by the mobile phone 101 implements the lower five layers for realizing the BT similar to the above-described protocol block 620, and moves to the top of the RFC OMM.
- a layer of a data communication mode for connecting to the mobile communication network 200 is implemented.
- a layer of a data communication mode of a mobile phone such as CDM A-ONE (Code Division Multiple Access-ONE) and W-CDMA (WideB and Code Division Multiple Access) is implemented.
- CDM A-ONE Code Division Multiple Access-ONE
- W-CDMA WideB and Code Division Multiple Access
- the method for constructing the wireless communication system 100 as described above has the following problems.
- an internet protocol protocol for realizing a connection to the Internet 300 via the wireless communication system 100 to the mobile phone 101, the portable information terminal 104, etc. constituting the wireless communication system 100. It is necessary to implement a sunset (TCP / IP, PPP), the hardware and software of each device 102-104 will be large, and the configuration of each device 102-104 will be complicated. There was a problem. This causes an increase in cost when manufacturing each of the devices 102 to 104, and for example, a user who does not connect to the Internet network 300 often has a redundant design. Further, as shown in FIG. 2, each of the devices 102 to 104 constituting the wireless communication system 100 is connected to an internet connection network 300, and is connected to an internet connection service provider. It is necessary to store the network setting information such as the address, mail address, and password of the binder 301 and personal information in the network setting storage section 533 and the personal information storage section 534.
- the present invention has been proposed in view of the above-mentioned circumstances, and has been made in connection with each host device constituting a wireless communication system, such as network settings for connecting to an Internet network or the like.
- An object of the present invention is to provide a communication device and a communication method that can be simplified.
- a communication device includes a wireless communication unit that transmits and receives data to and from a host device via a wireless communication network, and an external communication network outside the wireless communication network.
- External communication means for transmitting and receiving data over the Internet, a wireless communication protocol for transmitting and receiving data within the wireless communication network, an external communication protocol for transmitting and receiving data to and from the external communication network, and information on the external communication network.
- Storage means for storing communication setting information; and the external communication means for setting a connection relationship with the external communication network according to the external communication protocol using the communication setting information stored in the storage means.
- the wireless communication means so as to set a connection relationship with a host device in accordance with a wireless communication protocol stored in the storage means, so as to establish a connection between the external communication network and the host device. It is characterized by comprising a communication control means for controlling the wireless communication means and the external communication means so as to transmit and receive data. Further, in order to solve the above-mentioned problems, the communication method according to the present invention transmits and receives data between a host device and a communication device via a wireless communication network, and transmits and receives data outside the wireless communication network.
- a connection relationship between the communication device and the host device is set in accordance with a wireless communication protocol held in the communication device, and the connection relationship is held in the communication device.
- a connection relationship between the communication device and the external communication network is set in accordance with the external communication protocol using communication setting information that is information on the external communication network to be connected, and a connection relationship between the communication device and the host device is set. Data transmission and reception are performed between the external communication network and the host device by using the connection relationship between the communication device and the external communication network.
- FIG. 1 is a diagram for explaining an entire configuration of a conventional wireless communication system.
- FIG. 2 is a block diagram showing a configuration of a host device included in the conventional wireless communication system.
- FIG. 3 is a diagram for explaining a protocol of a mobile phone and a host device constituting a conventional wireless communication system.
- FIG. 4 is a diagram illustrating a configuration of a wireless communication system to which the present invention is applied, a relationship between the wireless communication system and an external communication network, a wireless communication device included in the wireless communication system, and a protocol stack of a host device.
- FIG. 5 is a perspective view showing an external configuration of a wireless communication device to which the present invention is applied.
- FIG. 6 is a plan view showing an external configuration of a wireless communication device to which the present invention is applied.
- FIG. 7 is a block diagram showing a configuration of a wireless communication device to which the present invention is applied.
- FIG. 8 shows a wireless communication device, a host device, a mobile communication network, and a public communication system to which the present invention is applied.
- FIG. 3 is a diagram for explaining a communication control sequence performed between a communication network, an Internet network, an Internet service provider, and a WWW server.
- the present invention is applied to, for example, a wireless communication system 1 configured as shown in FIG.
- the wireless communication system 1 employs a B1uet00th (hereinafter, referred to as BT) method to realize data communication between the wireless communication device 2 serving as a gateway and the host device 3.
- BT B1uet00th
- This BT system is a name for short-range wireless communication technology that five Japanese and European companies started standardizing activities in May 1998.
- data communication is performed by constructing a short-range wireless communication network with a maximum data transmission rate of 1 Mbps (effectively, 721 Kbps) and a maximum transmission distance of about 10 m.
- 79 channels with a bandwidth of 1 MHz are set in the 2.4 GHz ISM (Industrial Scientific Medical) frequency band that can be used without permission, and 160 times per second.
- Wireless data is transmitted and received between the wireless communication device 2 and the host device 3 by employing a frequency hopping spread spectrum technique for switching channels.
- a slave master method is applied, and a master device that determines a frequency hopping pattern according to processing contents and a slave device of a communication partner controlled by a master device And break up.
- the master device can perform data communication simultaneously with seven slave devices at a time.
- a subnet composed of a total of eight devices including the master device and the slave devices is called "piconet (piconet)".
- the host device 3 in the piconet that is, the slave device included in the wireless communication system 1, can be a slave device of two or more piconets at the same time.
- the wireless communication system 1 shown in FIG. 4 is, for example, an Internet network 40, a public communication network. 30, a wireless communication device 2 that transmits and receives data to and from the mobile communication network 20 and transmits and receives wireless data to and from the host device 3 via the short-range wireless communication network 10; It consists of a host device 3 that sends and receives packets including user data and so on.
- the host device 3 is an electronic device wirelessly connected to the wireless communication device 2 via the short-range wireless communication network 10 and operated by a user. Examples of the host device 3 include a PDA (Personal Digital Assistant), a digital camera, a mail processing terminal, and an EMD (Electronic Music Distribution) terminal.
- the host device 3 has a BT module 3a for transmitting and receiving data to and from the wireless communication device 2 in the wireless communication system 1 according to the BT method.
- the BT module 3a includes a module for executing a protocol and a protocol for transmitting and receiving data to and from the wireless communication device 2 according to the BT method.
- the host device 3 generates an operation input signal by, for example, a user's operation.
- the host device 3 generates an operation input signal for connecting to the wireless communication device 2 via the short-range wireless communication network 10, for example, and transmits a control command according to the operation input signal to the wireless communication device 2.
- a connection relationship via the short-range wireless communication network 10 is formed with the wireless communication device 2.
- the wireless communication device 2 is connected to the host device 3 via the short-range wireless communication network 10 and is connected to the mobile communication network 20, the public communication network 30, and the Internet network 40. This is a gateway for connecting to the network 40.
- the wireless communication device 2 includes a BT module 2a for transmitting and receiving data to and from the host device 3 in the wireless communication system 1 according to the BT method.
- the BT module 2a includes a module for executing a protocol and a protocol for transmitting and receiving data to and from the host device 3 according to the BT method.
- the wireless communication device 2 is a personal computer equipped with a modem or the like for connecting to a public communication network 30, such as a cdma One (Code Division Multiple Access) system or W-CDMA (Wide Band-Code Division Multiple Access).
- a public communication network 30 such as a cdma One (Code Division Multiple Access) system or W-CDMA (Wide Band-Code Division Multiple Access).
- a public communication network 30 such as a cdma One (Code Division Multiple Access) system or W-CDMA (Wide Band-Code Division Multiple Access).
- a public communication network 30 such as a cdma One (Code Division Multiple Access) system or W-CDMA (Wide Band-Code Division Multiple Access).
- TA / modems such as base stations that conform to the BT method
- wireless Internet access systems proposed by Quale 0 mm Wireless terminals using the HDR (High Data Rate) system.
- HDR High Data Rate
- Examples of the public communication network 30 include an Internet (Internet) network 40 connected to a personal computer via a telephone line, a mobile communication network (Mobile Network) 20 connected to a mobile phone, and a TA / modem.
- Internet Internet
- Mobile Network Mobile Network
- Services Digital Network / B (broadband) — Includes a satellite communication network (Broadcasting) connected to I SDN and STB, and a wireless local loop (WLL) connected to semi-public systems.
- Broadband Satellite communication network
- WLL wireless local loop
- the Internet connection network 40 includes an Internet service provider 41, a WWW server 42, an information providing server, a mail server, an EMD server, and a community server.
- the information providing server receives a request from the host device 3 via the wireless communication device 2 and transmits information corresponding to the request to the host device 3. Further, the mail server manages the e-mail and transmits / receives the e-mail to / from the host device 3 via the wireless communication device 2. Further, the EMD server manages the music providing service by transmitting music information to the EMD terminal of the host device 3 via the wireless communication device 2. Furthermore, the community server provides, for example, a street camera and a news information download service to the digital camera of the host device 3 and manages uploading of information from the host device 3.
- a wireless communication comprising a wireless communication device 2 and a host device 3 which transmits and receives packets between the wireless communication device 2 and the BT method. Perform for system 1.
- the wireless communication device 2 and the host device 3 are, as lower layers, a layer for performing FH and transmission / reception in the 2.4 GHz band and a baseband control for realizing the BT wireless communication system 1; BB (Baseband) layer Establish and release connections LMP (Link Manager Protocol) layer for link and link handling, L2CAP (Logical Link Control and Adaptation Protocol) layer for establishing multiplexing and segmentation of various protocols and segmentation, and RS-232C serial line It has five protocols of the RF C ⁇ MM layer, which is a simple transport protocol for emulation.
- the host device 3 implements RF, BB, LMP, L2CAP, and RFCOM M as lower layers for transmitting and receiving wireless data to and from the wireless communication device 2 via the short-range wireless communication network 10 using the BT method,
- the application layer (AP) is implemented as an upper layer.
- the wireless communication device 2 includes a protocol stack 11 a for connecting to the host device 3 via the short-range wireless communication network 10, a mobile communication network 20 outside the short-range wireless communication network 10, and public communication.
- a protocol block 11b for connecting to the network 30 and the internet network 40 is implemented.
- the wireless communication device 2 implements the lower five layers of RF, BB, LMP, L2CAP, and RFC ⁇ MM as protocol blocks 11a.
- the wireless communication device 2 also implements a mobile communication protocol such as a W-CDMA (Wide Band-Code Division Multiple Access) protocol as a protocol block 11b.
- This wireless communication device 2 implements, for example, a W_CDMA protocol as a mobile communication protocol, connects to a mobile communication network 20, and enters a data communication mode to connect to a public communication network 30 via the mobile communication network 20.
- the wireless communication device 2 is a PPP (Point to Point Protocol) located in the link layer at the time of connection of the Internet, and is located in the network layer as an upper layer of the mobile communication protocol of the protocol block 11b. IP (Internet Protocol) and TCP (Transmission Control Protocol) located in the transport layer are implemented.
- PPP Point to Point Protocol
- IP Internet Protocol
- TCP Transmission Control Protocol
- the wireless communication device 2 implements a page as an upper layer of the protocol stack 1 la and the protocol block 11 b.
- data is exchanged between the protocol switch 11a and the protocol switch 1lb via the page. Since the lower layer of the protocol communication 11a of the wireless communication device 2 and the lower layer of the protocol 12 of the host device 3 correspond, the communication between the wireless communication device 2 and the host device 3 can be performed.
- the wireless communication device 2 transmits and receives packets between the RF COMMs mounted on the wireless communication device 2.
- the host device 3 when transmitting the user data generated by the AP of the host device 3 from the wireless communication device 2 to the Internet network 40, the host device 3 follows the lower layer of the protocol block 12. After that, the wireless communication is transmitted to the wireless communication device 2.
- the wireless communication device 2 receives the user data by performing processing according to each protocol of the lower layer of the protocol stack 11a, and pages the TCP in the protocol stack 11b via the bridge.
- a header conforming to the TCP / IP is added to the user data to form a TCP IP encapsulated packet, which is used for the mobile communication protocol.
- TCP / IP packet By transmitting TCP / IP packets by performing the processing in accordance with the above, the TCP / IP packet is transmitted to the Internet connection service provider 41 via the mobile communication network 20 and the public communication network 30 and transmitted to the connection network 40. I do.
- the host device 3 when the host device 3 receives the data from the internet connection network 40, the data is received via the internet connection network 40, the public communication network 30, and the mobile communication network 20.
- the wireless communication device 2 receives the TCP / IP packet transmitted.
- the wireless communication device 2 removes the header of the TCP / IP packet by performing processing according to the mobile communication protocol, IP, and TCP, and extracts data.
- the wireless communication device 2 bridges the extracted data from the protocol stack of 1 lb to the protocol corridor 11a, and performs processing according to the lower layer of the protocol cortex 11a.
- the host device 3 receives data from the Internet network 40 by performing processing according to the lower five layers.
- the wireless communication device 2 constituting the wireless communication system 1 described above has an external configuration as shown in FIG. 4, but may have a configuration as shown in FIG. 5 and FIG.
- the wireless communication device 2 starts from one end 2 of a substantially cylindrical housing.
- a display unit 51 and an operation unit 52 are provided on one surface 2d toward the other end 2c.
- the wireless communication device 2 is provided with an antenna for transmitting and receiving data to and from the host device 3 and the mobile communication network 20 on one end 2b side, and a plate-like card on the other end 2c side.
- the display unit 51 is formed of, for example, a liquid crystal display, and displays various contents.
- the display unit 51 includes, for example, the content of user data transmitted / received to / from the host device 3 by the wireless communication device 2, the processing content of the wireless communication device 2, the operation of the wireless communication device 2 and the host device 3 , Information about the card inserted into the mounting recess 53, and the like are displayed.
- the operation unit 52 is composed of, for example, a rotary dial, and is configured to rotate in a direction A in FIG. 5 when operated by a user.
- the operation unit 52 is configured to rotate the rotary dial and press the rotary dial toward the center of rotation.
- the operation unit 52 generates an operation input signal for controlling processing of the wireless communication device 2 when operated by a user.
- the mounting concave portion 53 is formed in a concave shape having a depth in which a plate-shaped card can be inserted.
- a memory card storing user data such as images and music, and a function card having a function of giving various functions to the wireless communication device 2 are inserted into the mounting recess 53.
- the mounting recess 53 has a terminal inside for inputting and outputting a signal by being mechanically connected to the card.
- the mounting recess 53 realizes input / output of signals between the wireless communication device 2 and the card when the card is mounted.
- the terminals provided in the mounting recess 53 are configured in accordance with, for example, the existing serial interface standard configured with 10 pins.
- the mounting recess 53 is a serial interface having a specification corresponding to, for example, a Memory Stick (trade name). That is, the mounting recess 53 has a plurality of terminals for inputting / outputting a bus state indicating the state of the serial bus when the card is connected, data, a clock, and the like.
- the force to be inserted is, for example, 50.0 mm in vertical dimension, It has a 2.5 mm wide, 2.8 mm thick plate-like housing, and is fitted with a memory card containing flash memory and a memory controller inside.
- the wireless communication apparatus 2 only the three pins of the data, clock, and pass state among the ten pins are used, and data input / output is performed by bidirectional half-duplex transfer.
- such a wireless communication device 2 is large enough to fit in the user's hand, and the operation unit 52 is operated by the user's thumb, so that the display unit 51 And an operation input signal indicating transmission / reception of a data command with the host device 3 via the short-range wireless communication network 10 or the like.
- FIG. 7 shows a block diagram of the wireless communication device 2 constituting the wireless communication system 1 described above.
- portions other than the mobile communication unit 74 and the external communication antenna unit 75 described later correspond to the BT module 2a. '
- the wireless communication device 2 includes a wireless communication unit 61 1 that performs a transmission process and a reception process of wireless data transmitted and received by the wireless communication system 1, and a wireless communication that transmits and receives wireless data to and from each device configuring the wireless communication system 1.
- An antenna unit 62 and a paceband control unit 63 for controlling communication performed by the wireless control unit 61 are provided.
- the wireless communication antenna unit 62 is provided on one end 2b side.
- the wireless communication antenna unit 62 includes an antenna for transmitting / receiving wireless data in the 2.4 GHz band (2.402 GHz to 2.480 GHz).
- the wireless communication antenna unit 62 transmits the wireless data from the wireless communication unit 61 to the host device 3 via the short-range wireless communication network 10, and transmits the wireless data from the host device 3 via the short-range wireless communication network 10. And outputs it to the wireless communication unit 61.
- the wireless data in the short-range wireless communication network 10 transmitted and received by the wireless communication antenna unit 62 has a predetermined number of bits, and is transmitted and received using a packet including user data and control data as a minimum unit.
- the wireless communication section 61 includes a receiving section 81 for performing processing for receiving wireless data from the wireless communication antenna section 62 and a processing for transmitting wireless data from the wireless communication antenna section 62. Transmitting section 82 and wireless data from the transmitting section 82 via the wireless communication antenna section 62 or wireless data from the wireless communication antenna section 62. And a hopping synthesizer section 84 for performing spread spectrum by frequency hopping on wireless data in the receiving section 81 and the transmitting section 82.
- the switch section 83 operates in response to a control signal from a wireless communication CPU (Central Processing Unit) 69 described later, and when the wireless communication antenna section 62 receives a wireless signal, the wireless communication antenna section 6 It operates to output the wireless data from 2 to the receiving unit 81, and when transmitting wireless data from the wireless communication antenna unit 62, the wireless data from the transmitting unit 82 is sent to the wireless communication antenna unit 62. Operate to output.
- a wireless communication CPU Central Processing Unit
- the receiving section 81 receives the wireless data from the switch section 83 and outputs it to the paceband control section 63.
- the receiving unit 81 has a hopping frequency pattern designated by the hopping synthesizer unit 84, removes the 2.4 G band carrier wave according to the frequency pattern when receiving wireless data, and removes the wireless data from 0 and 1 data. Then, output to baseband control section 63. At this time, the receiving unit 81 removes the carrier from the wireless data by performing processing such as multiplying the frequency pattern specified in packet units by the hopping synthesizer unit 84, and outputs the result to the baseband control unit 63. I do.
- the transmitting section 82 is generated and primary-modulated by the paceband control section 63 as a wireless data output from the wireless communication antenna section 62 to the host device 3 via the short-range wireless communication network 10.
- the wireless data of 0 and 1 in packet units is input and output to the switch unit 83.
- the transmitting section 82 has a frequency pattern designated by the hopping synthesizer section 84, generates radio data with a 2.4 G band carrier wave according to the frequency pattern, and outputs the generated wireless data to the switch section 83.
- the transmitting unit 82 performs a process of applying a carrier in units of packets in accordance with the frequency pattern specified by the hobbing synthesizer unit 84 and performs a process of transmitting.
- a hopping pattern of frequency hopping is designated by the paceband control section 63.
- the hopping synthesizer unit 84 is controlled by the baseband control unit 63 so that the same frequency pattern is specified for the receiving unit 81 and the transmitting unit 82.
- the hopping synthesizer 84 receives wireless data from the antenna 62 In order to do so, the frequency of the carrier to be removed by the receiving unit 81 is changed for each slot in accordance with the frequency pattern specified by the paceband control unit 63.
- the hopping synthesizer unit 84 uses a frequency pattern for performing frequency conversion on data from the baseband control unit 63 in the transmitting unit 82.
- the transmission unit 82 changes the frequency of the carrier wave to be loaded on the data for each slot.
- the hopping synthesizer section 84 performs frequency hopping of 160 times per second on 79 channels (2.402 GHz to 2.480 GHz) divided at 1 MHz. Is performed to perform the frequency control.
- the paceband control unit 63 receives the wireless data in packet units from the receiving unit 81 and performs a process of demodulating the wireless data frequency-modulated by frequency hobbing.
- the baseband control unit 63 3 performs primary modulation on the data to be transmitted and outputs the result to the transmitting unit 82.
- the paceband control unit 63 controls the hobbing synthesizer unit 84 by giving a hobbing pattern to the hobbing synthesizer unit 84 (this allows the baseband control unit 63 to operate as a wireless communication device).
- the baseband control unit 63 controls the transmission timing of the wireless data transmitted from 2, and also controls the reception timing of the wireless data received from the base station 2.
- the baseband control unit 63 includes, for example, (k), f The frequency patterns of (k + l), f (k + 2),... are given to the hopping synthesizer unit 84 every predetermined time.
- the baseband control unit 63 converts data to be transmitted into a predetermined packet format in accordance with a control signal from the wireless communication CPU 69, outputs the data to the receiving unit 81 in packet units, and The processing of disassembling the packet of the predetermined packet format from the unit 82 is performed, and the result is output to the wireless communication CPU 69 via the system bus 70.
- the baseband control unit 63 has a function of controlling the transmission output of the transmission unit 82 to be changed, and transmits information indicating the distance between the wireless communication device 2 and the host device 3 to the wireless communication CPU 6. Output power of wireless data generated by transmitter 8 Control.
- the wireless communication device 2 includes a personal information storage unit 65 that stores personal information given to each user, and a host device 3 for connecting to a network such as a public communication network 30 or an Internet network 40.
- a network setting storage unit for storing network setting information indicating necessary information.
- the personal information storage unit 65 stores, as personal information, a mail address of a user who owns the host device 3, a user ID for connecting to an access point, a password (for PPP connection), and the like.
- the personal information storage section 65 is read by the wireless communication CPU 89, and its contents are controlled.
- the personal information storage section 65 when transmitting wireless data created by, for example, an e-mail application, includes information indicating an e-mail address list (address book) of e-mail transmission destinations, and transmission / reception history.
- Information information indicating a list of fixed phrases to simplify input to host equipment 3 (for example, a digital camera) that lacks character input functions, signature information to be added to the end of the sent e-mail, and e-mail
- host equipment 3 for example, a digital camera
- signature information to be added to the end of the sent e-mail
- information indicating an email ID for managing unread or read messages may be stored.
- the personal information storage unit 65 may store SIM (Subscriber Identification Module) information.
- SIM Subscriber Identification Module
- the SIM information stored in the personal information storage unit 65 is information necessary to identify a user.
- the SIM information is encrypted inside the wireless communication device 2 in order to improve security.
- Information includes, for example, the above-mentioned user ID, user password, a mail ID for accessing a personal mail box, a mail password, a user mail address, and a personal authentication password for confirming the right to use the wireless communication device 2 itself. Are the encrypted information.
- the network setting storage unit 66 stores the server address and access point telephone number required when the host device 3 makes a dial-up connection with the internet network service provider 41 of the internet network 40. Are stored as network setting information, read by the wireless communication CPU 69, and the contents thereof are controlled.
- the wireless communication apparatus 2 includes an interface section 64, a mobile communication section 74 that performs processing according to the mobile communication protocol of the protocol block 11b, and a mobile communication network 20.
- An external communication antenna unit 75 that transmits and receives wireless data to and from the communication unit.
- the interface unit 64 is connected to the system bus 70, and based on a control signal from the wireless communication CPU 69, the mobile communication unit The data from the baseband control unit 63 is output to the mobile communication unit 74 while the wireless data from the baseband control unit 63 is output to the baseband control unit 63.
- the interface section 64 has a plurality of signal input / output terminals.
- the interface memory section 64 has, for example, an external memory module 90 having a memory function mounted in the mounting recess 53, and performs input / output of data with the external memory module 90.
- the interface section 64 has, for example, 10 pins for signal input / output terminals, and performs input / output of data with the external memory module 90 in accordance with a standard for input / output of data serially. That is, when the external memory module 90 is mounted in the mounting recess 53, the interface section 64 inputs and outputs a bus state indicating the state of the serial bus, a data bus, a clock, etc. Output.
- the wireless communication device 2 is a RAM (Random Access Memory) connected to a data bus.
- RAM Random Access Memory
- the wireless communication CPU 69 generates a control signal by reading a control program from the ROM 68 to control each unit constituting the wireless communication device 2 via the system bus 70.
- the wireless communication CPU 69 uses the RAM 67 as a work area, stores data as needed, executes a control program, and generates a control signal. Accordingly, the wireless communication CPU 69 controls the paceband control unit 63, the wireless communication unit 61, and the interface unit 64 to communicate with other devices constituting the wireless communication system 1. Generation of packets to be controlled, input / output of data to / from external memory module 90 via interface section 64, transmission / reception of data to / from mobile communication network 20 via mobile communication section 7, etc. Control to do.
- the wireless communication device 2 includes a display unit 71 corresponding to the display unit 51 of FIG.
- An operation input unit 72 corresponding to the operation unit 52 and a power supply unit 73 for supplying power to each unit constituting the wireless communication device 2 are provided.
- the display unit 71 displays various processing contents by the processing contents of the wireless communication CPU 69 and the contents of data to be input / output by the interface unit 64 according to the control signal from the wireless communication CPU 69. To present.
- the operation input unit 72 generates an operation input signal and outputs it to the wireless communication CPU 69 when operated by the user.
- the wireless communication CPU 69 executes the control program according to the operation input signal from the operation input unit 72, and performs a process of changing the display content of the display unit 71.
- the wireless communication device 2 and the host device 3 configured as described above have a master / slave relationship, with the host device 3 serving as the master / slave and the wireless communication device 2 serving as the slave. For example, even when transmitting the user data from the wireless communication device 2 to the host device 3, the wireless communication device 2 transmits a packet from the host device 3 to the effect that the transmission right to the host device 3 has been obtained. Wireless data can be transmitted to the host device 3 only when the Further, in the wireless communication system 1, the wireless communication device 2 operated by the user may be a master device and the host device 3 may be a slave device.
- the wireless communication CPU 69 When a connection request is sent from the host device 3 to the wireless communication device 2 configured as described above to request connection to the Internet network 40, the wireless communication CPU 69 firstly sends personal information from the personal information storage unit 65, The network setting information is read from the network setting storage unit 66 via the system bus 70, and the personal information and the network setting information are temporarily stored in the RAM 67. Next, the wireless communication CPU 69 controls the wireless communication unit 61 and the paceband control unit 63, and performs processing according to the lower 5 layers of the protocol block 11a to connect with the host device 3. Establish a connection relationship via the BT short-range wireless communication network 10.
- the wireless communication CPU 69 uses the connection relationship via the short-range wireless communication network 10 and uses the network setting information and the personal information stored in the RAM 67 to access PPP, IP,
- the host device 3 and the Internet network 40 are connected by performing processing according to TCP and the mobile communication protocol.
- a connection relationship between the host device 3 and the internet connection network 40 is established, and user data is transmitted and received between the host device 3 and the internet connection network 40.
- FIG. 8 shows a communication control sequence among seven parts of the host device 3, the wireless communication device 2, the mobile communication network 20, the public communication network 30, the Internet service provider 41, and the WWW server 42. .
- the host device 3 first, when the user operates the host device 3 to generate an operation input signal requesting connection with the Internet network 40, the host device 3 establishes a connection according to the BT method.
- a BT connection request (S 1) requesting connection with the wireless communication device 2 via the short-range wireless communication network 10 is transmitted to the wireless communication device 2 to establish a relationship with the wireless communication device 2 .
- the host device 3 performs processing according to the lower five layers of the protocol block 12, and the wireless communication device 2 performs processing according to the lower 5 layers of the protocol block 11 a corresponding to the host device 3.
- a link according to the BT method is established by performing the above processing (step ST1).
- the wireless communication CPU 69 of the wireless communication device 2 recognizes the BT connection request (S 1) from the host device 3, reads out personal information and network setting information, temporarily stores the information in the RAM 67, and then performs wireless communication.
- S 1 the BT connection request
- the baseband control unit 63 By controlling the unit 61 and the baseband control unit 63, a link with the host device 3 via the short-range wireless communication network 10 is established.
- the wireless communication CPU 69 of the wireless communication device 2 transmits a BT connection completion message (S 2) to the host device 3.
- the host device 3 transmits to the wireless communication device 2 an Internet connection request (S3) for requesting connection with the Internet network 40 via the short-range wireless communication network 10.
- Radio communication CPU 69 of the wireless communication apparatus 2 in accordance with the fin evening Rondane Uz preparative connection request from the host apparatus 3 (S 3), ⁇ 1 3 1 0 protocol scan evening brute 1 113] ⁇ 6 Read from 8 and start (step ST 3).
- the wireless communication CPU 69 of the wireless communication device 2 Upon receiving the Internet connection request (S3) from the host device 3, the wireless communication CPU 69 of the wireless communication device 2 refers to the telephone number of the Internet service provider 41 stored in the RAM 67, and Sending outgoing call request and telephone number Output to 74.
- the mobile communication unit 74 receives a call request and a telephone number from the wireless communication CPU 69 via the interface unit 64, and receives a setup request as a call setup message (SET UP 1) (S4). Is transmitted to the public communication network 30 via the mobile communication network 20.
- the public communication network 30 Upon receiving the setup request (S4), the public communication network 30 sends a setup request (SET UP2) (S5) having the same contents as the setup request (S4) to the internet service provider 41. Send.
- SET UP2 setup request
- S5 setup request
- the internal network service provider 41 Upon receiving the set-up request (S5), the internal network service provider 41 receives the set-up request (S5) when its own line is free and the user data can be received. In response, a response message (CONNECT 2) (S6) is sent back to the public communication network 30.
- the public communication network 30 upon receiving a response message (S6) from the in-coming one-to-one service provider 41, the response message (C ONNE CT1) (CONNE CT1) via the mobile communication network 20 is received. S7) is transferred to the wireless communication device 2.
- the mobile communication unit 74 of the wireless communication device 2 recognizes that the connection with the Internet service provider 41 has been completed, and shifts to the link establishment phase. Yes (step ST 4).
- the wireless communication C'PU 69 activates an authentication process in accordance with the PPP (step ST5), refers to the user ID and password stored as personal information in the RAM 67, and performs Internet service.
- Authentication data (S8) for performing authentication processing is transmitted and received with the service provider 41. Accordingly, when the authentication processing is established with the Internet service provider 41, the wireless communication CPU 69 shifts to an authentication establishment phase (step ST6).
- the wireless communication CPU 69 controls the wireless communication unit 61 and the baseband control unit 63 to transmit an Internet connection completion message (S 9) to the host device 3. I do.
- the wireless communication CPU 69 starts the network protocol activation process, reads out the program indicating the TCP and IP processing contents of the protocol 11b from the ROM 68, and activates it. In addition, the wireless communication CPU 69 performs processing according to PPP.
- the IP address dynamically allocated by the server is stored in the RAM 67 (step ST7).
- the host device 3 transmits the destination IP address and the user data (S 10) of the user data transmission destination to the wireless communication device 2 via the short-range wireless communication network 10.
- the wireless communication CPU 69 temporarily stores the destination IP address and the user data (S10) from the host device 3 in the RAM 67 and executes TCP / IP processing (step ST8). That is, the wireless communication CPU 69 adds a TCP header to the user data, sets the own IP address stored in the RAM 67 as the source IP address, and uses the source IP address and the destination IP address. By adding an IP header to the user data, the user data can be encapsulated into TCP / IP. Then, the wireless communication device 2 transmits the user data (S11) encapsulated in the TCP / IP to the WWW server 42 specified by the destination IP address via the in-net network service provider 41. Send to
- the wireless communication CPU 69 separates the IP header and the TCP header from the user data and decapsulates the TCP / IP by executing the TCP ZIP processing (step ST8).
- the wireless communication CPU 69 uses the IP address of the WWW server 42 as the source IP address, and transmits the source IP address and the user data (S12) to the host device 3 as data from the WWW server 42. .
- the wireless communication device 2 encapsulates the user data (S 11) from the host device 3 and transmits the user data (S 11) to the WWW server 42. It is possible to decapsulate the user data (SI 1) transmitted from the WWW server 42 to the mobile communication unit 74 of the wireless communication device 2 and transmit the user data (S 12) to the host device 3. it can.
- the wireless communication device 2 realizes connection between the host device 3 and the Internet network 40 by repeating such processing.
- the user data from the host device 3 is encapsulated.
- the user data stored in the external memory module 90 mounted in the mounting recess 53 may be encapsulated and transmitted to the WWW server 42.
- the network setting information and the personal information stored inside the wireless communication device 2 are used to establish a TCP, IP, and PPP network connection.
- the host device 3 can be easily connected to the Internet network 40. That is, the host device 3 does not need to store the network setting information and personal information necessary for the connection of the Internet network 40, and has a function of setting these information and the TCP, IP, PPP, mobile communication protocol. There is no need to implement a network protocol such as this inside, and it is possible to connect to the internal network 40.
- a host device in which network setting information and personal information are set according to another user, and another host device in which network setting information and personal information are not set are transmitted to the wireless communication device 2. It is possible to connect to the Internet service provider 41 using the stored network setting information and personal information.
- the wireless communication system 1 it is only necessary to incorporate a module in the host device 3 that only connects to the wireless communication device 2 via the short-range wireless communication network 10 according to the BT method. , low consumption reduction, also c can be realized cost reduction, the external memory module 9 0 to be attached to the mounting recess 5 3 of the wireless communication apparatus 2 in the embodiment described above, the physical of various flash memory cards It may be based on specifications and data communication specifications.
- the external memory module 90 is, for example, a compact flash (length 36 mm x width 42 mm x thickness 3.3 mm) proposed by SanDisk Corporation of the United States, smart media proposed by Toshiba.
- connection relationship with the external communication network via the wireless communication network ′ is set based on the communication setting information, and the external communication network and the host device are connected to each other.
- the connection between the host and the external communication network is formed regardless of the communication setting of the host device, and the host device is connected to the external communication network such as the Internet network. Connection to can be made. Therefore, according to this communication device, connection setting for a plurality of host devices can be performed only by changing internal settings, and network settings for connecting the host device to an Internet network or the like can be easily performed. can do.
- the connection relationship between the communication device and the external communication network is set using communication setting information that is information stored in the external communication network, and the communication device and the external communication network are set.
- the connection relationship between the communication device and the external communication network data is transmitted and received between the communication device and the external communication network. Since the transmission and reception of data can be controlled overnight, a connection relationship with an external communication network is formed inside the communication device regardless of the communication settings of the host device, and the host device is connected to an Internet network or the like. Connection to an external communication network can be made. Therefore, according to this communication method, the internal settings are changed.
- the connection setting for a plurality of host devices can be performed only by using this function alone, and the network setting for connecting the host device to an Internet network or the like can be simplified.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Small-Scale Networks (AREA)
- Communication Control (AREA)
- Transceivers (AREA)
Description
Claims
Priority Applications (4)
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| AU41053/01A AU4105301A (en) | 2000-03-07 | 2001-03-07 | Communication device and communication method |
| EP20010912159 EP1178646B1 (en) | 2000-03-07 | 2001-03-07 | Communication device and communication method |
| KR1020017013967A KR100767455B1 (ko) | 2000-03-07 | 2001-03-07 | 통신장치 및 통신방법 |
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| JP2000067212A JP2001251366A (ja) | 2000-03-07 | 2000-03-07 | 通信装置及び通信方法 |
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| JP (1) | JP2001251366A (ja) |
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| AU (1) | AU4105301A (ja) |
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- 2001-03-07 EP EP20010912159 patent/EP1178646B1/en not_active Expired - Lifetime
- 2001-03-07 CN CNB018008682A patent/CN1215689C/zh not_active Expired - Lifetime
- 2001-03-07 EP EP20110175828 patent/EP2388975B1/en not_active Expired - Lifetime
- 2001-03-07 US US09/980,867 patent/US7289479B2/en not_active Expired - Lifetime
- 2001-03-07 AU AU41053/01A patent/AU4105301A/en not_active Abandoned
- 2001-03-07 KR KR1020017013967A patent/KR100767455B1/ko not_active Expired - Lifetime
- 2001-03-07 WO PCT/JP2001/001781 patent/WO2001067711A1/ja not_active Ceased
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2388975B1 (en) | 2013-12-11 |
| CN1366756A (zh) | 2002-08-28 |
| JP2001251366A (ja) | 2001-09-14 |
| EP1178646B1 (en) | 2013-06-19 |
| TW498640B (en) | 2002-08-11 |
| CN1215689C (zh) | 2005-08-17 |
| AU4105301A (en) | 2001-09-17 |
| US20030012156A1 (en) | 2003-01-16 |
| EP1178646A4 (en) | 2009-05-13 |
| EP1178646A1 (en) | 2002-02-06 |
| KR100767455B1 (ko) | 2007-10-17 |
| EP2388975A1 (en) | 2011-11-23 |
| KR20020012559A (ko) | 2002-02-16 |
| US7289479B2 (en) | 2007-10-30 |
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