WO2005104459A1 - Appareil de communication sans fil et procede de configuration de communication sans fil - Google Patents

Appareil de communication sans fil et procede de configuration de communication sans fil Download PDF

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Publication number
WO2005104459A1
WO2005104459A1 PCT/JP2005/008105 JP2005008105W WO2005104459A1 WO 2005104459 A1 WO2005104459 A1 WO 2005104459A1 JP 2005008105 W JP2005008105 W JP 2005008105W WO 2005104459 A1 WO2005104459 A1 WO 2005104459A1
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WO
WIPO (PCT)
Prior art keywords
wireless
wireless communication
wireless lan
setting
access point
Prior art date
Application number
PCT/JP2005/008105
Other languages
English (en)
Inventor
Yasushi Yokomitsu
Original Assignee
Matsushita Electric Industrial Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co., Ltd. filed Critical Matsushita Electric Industrial Co., Ltd.
Publication of WO2005104459A1 publication Critical patent/WO2005104459A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0876—Aspects of the degree of configuration automation
    • H04L41/0886—Fully automatic configuration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/60—Router architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities

Definitions

  • the present invention relates to a wireless communication apparatus and a wireless communication configuration method at a wireless LAN access point (wireless Local Area Network access point), etc. able to automatically set a wireless communication condition between the wireless LAN access point and a wireless terminal device such as a server, a wireless computer device, etc.
  • a wireless LAN access point wireless Local Area Network access point
  • a wireless terminal device such as a server, a wireless computer device, etc.
  • the connection from the wireless LAN to the Internet can be simply made by the spread of a wireless connection technique if it is a reaching range of a radio wave.
  • the radio wave is simply intercepted and the communication can be tapped. Therefore, in the connection to the Internet, there is a possibility that a user account and a password are used by stealth. Therefore, the connection with a terminal of "ANY" setting of ESSID (Extended Service Set Identifier) is denied and filtering using a MAC address at the MAC address of a wireless network card is performed and data are ciphered by using WEP (Wired Equivalent Privacy) to secure security.
  • WEP Wired Equivalent Privacy
  • this router device with the wireless LAN function is used as the wireless LAN access point with a router function
  • another wireless LAN access point is also connected through a hub of the router device with the wireless LAN function.
  • an object of the present invention is to provide a wireless LAN access point and a wireless system able to easily set wireless setting information so as to wirelessly link with a device as an object even when another wireless LAN access point exists;
  • the present invention is mainly characterized in a wireless LAN access point able to wirelessly communicate with a terminal device, and comprising a first wired interface for communicating with the terminal device by wire only at the time of a communication condition automatic setting mode; a first port in which the first port is connected to the first wired interface and only a dedicated first cable can be connected to the first port and no cable except for the first cable can be connected to the first port; and a control section for transmitting wireless setting information to automatically set a communication condition when the control section receives a transmitting packet from the terminal device connected to the first wired interface in the communication condition automatic setting mode.
  • Fig. 1 is a constructional view showing a connecting example between devices using wireless LAN access points in an embodiment mode 1 of the present invention.
  • Fig. 2 (a) is an internal constructional view of a router device with a wireless LAN function in the embodiment mode 1 of the present invention
  • Fig. 2(b) is a rear view of the router device with the wireless LAN function of Fig. 2(a) .
  • Fig. 3 is a constructional view of a wireless computer device in the embodiment mode 1 of the present invention.
  • Fig. 4(a) is a connecting view when wireless setting information is automatically set between the router device with the wireless LAN function in the embodiment mode 1 of the present invention and the wireless computer device, and Fig.
  • Fig. 4(b) is a connecting view when the normal LAN connection is made between the router device with the wireless LAN function and the wireless computer device of Fig. 4 (a) .
  • Fig. 5(a) is a view showing the construction of a request packet used for the automatic setting in the embodiment mode 1 of the present invention
  • Fig. 5(b) is a view showing the construction of a response packet
  • Fig. 5(c) is a view showing a request code and a response code included within the packet.
  • Fig. 6(a) is a sequence chart showing the automatic setting operation using a cable
  • Fig. 6(b) is a sequence chart showing the automatic setting operation using a change-over switch.
  • FIG. 7(a) is an internal constructional view of a router device with the wireless LAN function in an embodiment mode 2 of the present invention
  • Fig. 7 (b) is an internal constructional view of a wireless LAN access point in the embodiment mode 2 of the present invention
  • Fig. 8 is a constructional view of a wireless computer device in the embodiment mode 2 of the present invention.
  • Fig. 9(a) is an ' explanatory view when an automatic setting request of the router with the wireless function and the wireless LAN access point according to a state of change-over switch is made
  • Fig. 9(b) is an explanatory view for setting preferential control
  • Fig. 9(c) is an explanatory view of the operations of the router and the wireless access point.
  • Fig. 9(a) is an internal constructional view of a router device with the wireless LAN function in an embodiment mode 2 of the present invention
  • Fig. 7 (b) is an internal constructional view of a wireless LAN access point in the embodiment mode 2 of the present invention
  • Fig. 10 is a flow chart at a setting time to a software mode for a constant time in the embodiment mode 2 of the present invention.
  • Fig. 11(a) is a response explanatory view when an automatic setting request is transmitted' from the wireless computer to the wireless LAN access point having no dedicated port
  • Fig. 11(b) is a view showing a response when the automatic setting request is transmitted from the wireless computer to the wireless LAN access point having the dedicated port.
  • Fig. 12 is a block diagram showing a hardware construction example of the wireless LAN access point in an embodiment mode 4 of the present invention.
  • Fig. 13 is a block diagram showing a hardware construction example when an adding function is attached to the wireless LAN access point in an embodiment mode 5 of the present invention.
  • Fig. 14 is a perspective view seen from the front face of a wireless LAN access point in an embodiment mode 6 of the present invention.
  • Fig. 15 is a perspective view seen from the rear face of the wireless LAN access point in the embodiment mode 6 of the present invention
  • Fig. 1 is a constructional view of a wireless system in the embodiment mode 1 of the present invention.
  • Fig. 2 (a) is an internal constructional view of the router device with the wireless LAN function in the embodiment mode 1 of the present invention.
  • Fig. 2 (b) is a rear view of the router device with the wireless LAN function of Fig. 2(a).
  • Fig. 3 is a constructional view of the wireless computer device in the embodiment mode 1 of the present invention.
  • Fig. 1 is a constructional view of a wireless system in the embodiment mode 1 of the present invention.
  • Fig. 2 (a) is an internal constructional view of the router device with the wireless LAN function in the embodiment mode 1 of the present invention.
  • Fig. 2 (b) is a rear view of the router device with the wireless LAN function of Fig. 2(a).
  • Fig. 3 is a constructional view of the wireless computer device in the embodiment mode 1 of the present invention.
  • Fig. 1 is a constructional view of
  • reference numeral 10 designates the router device with the wireless LAN function as a wireless LAN access point.
  • Reference numeral 20 designates a wireless image server as a wireless client such as a network camera, etc. able to establish communication link by a wireless protocol (a protocol conforming to ⁇ a standard such as IEEE802. lla/b/g, etc., and hereinafter the same) between the wireless image server 20 and the router device 10 with the wireless LAN function and perform data communication using UDP (User Datagram Protocol) and TCP/IP protocol (Transmission Control Protocol/Internet Protocol) on this communication link.
  • UDP User Datagram Protocol
  • TCP/IP protocol Transmission Control Protocol/Internet Protocol
  • Reference numeral 30 designates a wireless adapter for relaying the communication between the router device 10 with the wireless LAN function and a computer device 50 (or a wired image server 40) described later.
  • the wireless adapter 30 establishes the communication link by the wireless protocol between this wireless adapter 30 and the router device 10 with the wireless LAN function, and performs the data communication using the TCP/IP protocol, etc. on this communication link.
  • the wireless adapter 30 performs the data communication using the TCP/IP protocol, etc. through a cable of 100BASE-T, etc. between the wireless adapter 30 and the computer device 50 and the wired image server 40.
  • Reference numeral 40 designates the wired image server such as a network camera, etc.
  • Reference numeral 50 designates the computer device such as a personal computer, etc. mounting a browser thereto and able to perform the data communication using UDP and the TCP/IP protocol by wire using the Ethernet (registered trademark), etc.
  • Reference numeral 60 designates a second wireless LAN access point connected to the router device 10 with the wireless LAN function by wire. The second wireless LAN access point 60 can wirelessly communicate with the wireless adapter 30 and the wireless image server 20. A connecting state of two or more wireless LAN access points as a premise of .
  • the problems to be solved by the present invention is a connecting 'state of another wireless LAN access point such as the second wireless LAN access point 60, etc. through a hub (wired LAN interfaces 11a to lid) of this router device 10 with the wireless LAN function, etc.
  • Reference numeral 70 designates a wireless computer device mounting a wireless network card, etc. thereto.
  • the wireless computer device 70 is connected to the router device 10 with the wireless LAN function by a cable and performs wireless LAN setting (wireless LAN configuration) and network setting (network configuration) . Accordingly, the wireless computer device 70 is also suitably simply called a computer device 70.
  • Each of pairs of the wireless image server 20 and the wireless computer device 70, arid the wireless adapter 30 and the computer device 50 is hereinafter called a wireless terminal device (terminal device of the present invention) .
  • a web server function and a DHCP (Dynamic Host Configuration Protocol) server function are mounted to the router device 10 with the wireless LAN function.
  • a UPnP (Universal Plug and Play) function for allocating an external port by a request from the wireless computer device 70 and the wireless image server 20 is mounted to the router device 10 with the wireless LAN function. Subsequently, the constructions of the router device 10 with the wireless LAN function and the wireless LAN access point 60 in the embodiment mode 1 of the present invention will be explained.
  • the router device 10 with the wireless LAN function is a wireless LAN access point and has a construction as the router. Therefore, the router device 10 with the wireless LAN function will first be explained.
  • reference numerals 11a to lid are wired LAN interfaces (second wired interfaces of the present invention) for communicating with a terminal device constituting a private network.
  • Each of the wired LAN interfaces 11a to lid is an interface adapted for a LAN standard such as IEEE802.3 (CSMA/CD, Carrier Sense Multiple Access with Collision Detection), etc. and able to connect a cable of 100BASE-T, etc.
  • Reference numeral 12 designates a WAN interface for communicating with a Wide Area Network (WAN) such as the Internet, etc.
  • WAN Wide Area Network
  • the WAN interface 12 is an interface adapted for a LAN standard such as the Ethernet (registered trademark) , IEEE802.3 (CSMA/CD), etc., and able to connect a cable of 100BASE-T, etc.
  • the WAN interface 12 may be also an interface able to communicate by ADSL (Asymmetric Digital Subscriber Line) and ISDN (Integrated Services Digital Network) in addition to the interface adapted for the LAN standard.
  • ADSL Asymmetric Digital Subscriber Line
  • ISDN Integrated Services Digital Network
  • the router device 10 with the wireless LAN function can transfer a packet received by the WAN interface 12 to the terminal device connected to the wired LAN interface 11 by a port forwarding function, etc., and can reversely convert the packet transmitted from the terminal device into an IP address by a NAT (Network Address Translation) function and can transfer the IP address to an external network.
  • NAT Network Address Translation
  • the terminal device connected to the wired LAN interfaces 11a to lid constitutes a private network (LAN of the present invention) , and can perform communication between the respective terminals by using a local IP address.
  • the port forwarding function is fulfilled by using a port number set by automatic setting described later.
  • Reference numeral He designates a wired dedicated interface (first wired interface of the present invention) for automatically performing wireless setting by the terminal device and wire in accordance with a dedicated protocol.
  • a mode at this automatic setting time is a communication condition automatic setting mode of the present invention. It is necessary to perform common wireless setting in both the wireless terminal device and the router device 10 with the wireless LAN function so as to perform the wireless communication by the wireless terminal device and the router device 10 with the wireless LAN function as one of wireless LAN access points.
  • the wired dedicated interface He is arranged to notify the wireless setting set in the router device 10 with the wireless LAN function to this wireless terminal device by a dedicated protocol. Communication data according to this protocol are taken out by the wired dedicated interface He. When it is judged that access according to this protocol is gotten, connection is allowed for the automatic setting. In contrast to this, when it is judged that it is a protocol except for this dedicated protocol, no connection for the automatic setting is allowed. In addition to this, reliability of the connection with the wired dedicated interface He can be raised by setting the cable itself to a dedicated cable, or setting a terminal of the wired dedicated interface He to a shape different from that of the terminal of another wired interface.
  • the wireless LAN access point 60 and the router device 10 with the wireless LAN function are physically connected by the wired dedicated interface He in one-to-one, and no automatic setting is performed in a wired interface except for this wired dedicated interface He. Accordingly, when there are plural terminals, it is convenient to use a cable and a dedicated terminal able to be apparently discriminated. Therefore, it is a premise that the automatic setting can be performed by only the dedicated protocol.
  • a dedicated terminal 19e (described later) together with the wired dedicated interface He will next be explained.
  • Reference numeral 13 designates a wireless section having a wired LAN interface for communicating with the terminal device constituting the private network, and adapted for a wireless LAN standard such as the Ethernet (registered trademark), IEEE802. 11, etc., and wirelessly communicating with the terminal device.
  • Reference numeral 14 designates a storing section for storing a control program and various kinds of setting information. The storing section 14 also stores network information, wireless setting information (a communication condition of the present invention), etc. of each terminal device.
  • Reference numeral 14a designates a wireless setting information storing section arranged in the storing section 14.
  • Reference numeral 15 designates a display section such as LCD, LED, etc.
  • Reference numeral 16 designates a control section for controlling the entire operation of a wireless device.
  • the control, section 16 connects communication link by the wireless protocol between the control section 16 and the terminal device, and performs data communication using UDP and the TCP/IP protocol on this communication link. Further, when the cable is connected to the dedicated terminal 19e described later and a transmitting packet requiring the wireless setting information is received by the dedicated protocol through the wired dedicated interface He, the control section 16 reads the wireless setting information from the wireless setting information storing section 14a, and unicasts or broadcasts this wireless setting information to the terminal device of a request source. Thus, the wireless setting information of the router device 10 with the wireless LAN function or the wireless LAN access point 60 is transmitted to the terminal device. Further, in Figs.
  • reference numeral 18 designates a port (connection port) for connection with the WAN interface 12.
  • Reference numerals 19a to 19d designate terminals (connection modular jacks) for connection with the wired LAN interfaces Ha to lid.
  • Reference numeral 19e designates a dedicated terminal (connection port) for reliable connection with the wired dedicated interface He in one-to-one. A dedicated terminal (modular plug) of a cable is inserted into the dedicated terminal 19e.
  • the port 18, the terminals 19a to 19d and the dedicated terminal 19e have different connection port shapes and are formed so as not to be fitted to each other.
  • the wired dedicated interface He may be also formed in a different connecting port shape in the same communication standard as the wired LAN interfaces 11a to lid, and may be also formed in connecting shapes of the USB (Universal Serial Bus) standard and the RS-232C standard different from the connecting shape of the connecting terminal of the wired LAN by using a serial communication standard such as the USB standard and the RS-232C standard, etc.
  • USB Universal Serial Bus
  • RS-232C serial communication standard
  • the wireless LAN access point 60 basically has the same construction except for a partial construction. Namely, since the router device 10 with the wireless LAN function is basically a router, the router device 10 with the wireless LAN function has a WAN interface 12 and plural wired LAN interfaces Ha to lid.
  • the wireless LAN access point 60 differs from the router device 10 with the wireless LAN function in that the wireless LAN access point 60 has no WAN interface 12 in the construction of the above router device 10 with the wireless LAN function, and has one or some wired LAN interfaces (e.g., see Fig. 7(b)).
  • the explanation of the other constructions is similar to the ' above explanation and is therefore omitted.
  • the construction of the wireless computer device 70 in the embodiment mode 1 will be explained on the basis of Fig. 3. In Fig. 3. In Fig.
  • reference numeral 71 designates a wireless transmitting-receiving section mounted to a wireless network card and having a wireless LAN interface for communicating with the router device 10 with the wireless LAN function.
  • the wireless transmitting-receiving section 71 performs this communication by using the connection of communication link with the router device 10 with the wireless LAN function in a shape adapted for the wireless LAN standard such as a standard, etc. of IEEE802. 11, etc.
  • the communication of the wireless computer device 70 and the router device 10 with the wireless LAN function can be performed through a wired LAN interface 74a described later and can be also performed through the wireless transmitting-receiving section 71.
  • Reference numeral 72 designates a wireless control section for controlling the operation of the wireless transmitting- receiving section 71 similarly mounted to the wireless network card.
  • Reference numeral 73 designates an antenna connected to the wireless transmitting-receiving section 71 and used to transmit and receive a wireless signal.
  • a wireless network adapter of the USB standard, the PCMCIA (Personal Computer Memory Card International Association) standard, etc. is connected to the computer device, the wireless transmitting-receiving section 71, the wireless control section 72 and the antenna 73 are assembled into the computer device so that the wireless computer device 70 is constructed.
  • Reference numeral 74a designates a wired LAN interface.
  • the wired LAN interface 74a is adapted for a LAN standard of IEEE802. 3 (CSMA/CD), etc., and can connect a cable of 100BASE-T, etc., and communicates with the router device 10 with the wireless LAN function in the TCP/IP protocol.
  • Reference numeral 74b designates a wired dedicated interface for performing communication for automatically performing the wireless setting between the wired dedicated interface 74b and the router device 10 with the wireless LAN function or the wireless LAN access point 60.
  • the wired dedicated ' interface 74b is similarly adapted for a LAN standard of IEEE802.
  • Reference numeral 75 designates a storing section for storing various kinds of settings.
  • Reference numeral 77 designates a control section.
  • the control section 77 controls the operation of the wireless control section 72, and connects wireless communication link with the router device 10 with the wireless LAN function, and performs a control operation so as to communicate with another terminal device, etc. through the router device 10 with the wireless LAN function in the TCP/IP protocol.
  • the control section 77 communicates with the router device 10 with the wireless LAN ' function in the TCP/IP protocol through the wired LAN interface 74a.
  • control section 77 transmits a request for requiring the automatic setting of the wireless setting by the dedicated protocol by the wired dedicated interface 74b, etc., and controls the entire operation of the wireless computer device 70.
  • Reference numeral . 77a designates an automatic setting control section.
  • the automatic setting control section 77a receives various kinds of wireless setting information such as SSID, ciphered information, etc. from the router device 10 with the wireless LAN function or the wireless LAN access point 60 through the wired dedicated interface 74b.
  • the automatic setting control section 77a controls the automatic setting operation in which this wireless setting information is stored to the storing section 75, etc.
  • the automatic setting control section 77a is stored to the storing section 75 as an application program for the automatic setting, and is read and fulfills a function by a CPU constituting the control section 77.
  • Reference numeral 77b designates a browser control section.
  • the browser control section 77b gets access to the Internet and a local network, and performs a control operation in which a web page is received, etc.
  • Reference numeral 76a designates a terminal connected to the wired LAN interface 74a.
  • Reference numeral 76b designates a dedicated terminal connected to the wired dedicated interface 74b. Similar to the above dedicated terminal 19e, the dedicated terminal 76b is formed in a connecting port shape different from that of the port 76a to insert the dedicated terminal (modular plug) of a cable.
  • Fig. 4(a) is a connecting view when the wireless setting information is automatically set between the router device with the wireless LAN function and the wireless computer device in the embodiment mode 1 of the present invention.
  • Fig. 4(b) is a connecting view when the normal LAN connection is made between the router device with the wireless LAN function and the wireless computer device in Fig. 4(a) .
  • Fig. 5(a) is a view showing the construction of a request packet used for the automatic setting in the embodiment mode 1 of the present invention.
  • Fig. 5(b) is a view showing the construction of a response packet.
  • Fig. 5(c) is a view showing a request code and a response code included within the packets.
  • Fig. 6(a) is a sequence chart showing the automatic setting operation using a cable.
  • Fig. 6(b) is a sequence chart showing the automatic setting operation using a change-over switch. The construction of the entire wireless system at this automatic setting time will first be explained.
  • the router device 10 with the wireless LAN function connected to the Internet network or other networks performs data communication using the TCP/IP protocol and TCP/UDP.
  • This router device 10 with the wireless LAN function performs routing by wire and is also a wireless LAN access point having the wireless LAN function.
  • the router device 10 with the wireless LAN function can transfer a packet received from the WAN interface 12 to a terminal device by the port forwarding function, etc., and can reversely convert the packet transmitted from the terminal device into an IP address by a NAT function and can transfer the IP address to an external network.
  • the wireless LAN access point 60 is connected to one of wired LAN interfaces of the router device 10 with the wireless LAN function by a cable.
  • This router device 10 with the wireless LAN function, the wireless LAN access point 60, a wireless communication terminal under its control, and the terminal devices connected to wired LAN interfaces lib to lid entirely constitute the private network, and can communicate between the respective terminals by using the local IP address.
  • the packet When the packet is broadcasted, the packet is received by these devices within the private network.
  • an arrow A of Fig. 4 (a) when the packet requiring the automatic setting is broadcasted by connecting the router device 10 with the wireless LAN function and the wireless computer device 70 by a cable, two wireless LAN access points including the wireless LAN access point 60 exist. Accordingly, it becomes difficult to automatically set the wireless setting information. Therefore, in the embodiment mode 1, as shown by an arrow B of Fig. 4(a), the wireless LAN access point 60 and the wireless computer device 70 are directly connected to each other by a cable, and the wireless setting information is automatically set by using a dedicated protocol. Thus, no request of the automatic setting arrives at the two wireless LAN access points.
  • an unillustrated dedicated terminal of the cable is first inserted into the dedicated terminal 76b of the wired dedicated interface 74b of the wireless computer device 70. Simultaneously, a dedicated terminal at the other end of this cable is inserted into the dedicated terminal 19e of the wireless LAN access point 60.
  • the wireless computer device 70 and the wireless LAN access point 60 are connected by wire, and communication can be performed in the dedicated protocol through the wired dedicated interface He.
  • the dedicated terminal 76b and the dedicated terminal 19e are formed in a connecting port shape different from that of each of the other terminals 19a to 19d for wired LAN and the terminal 76a, the connection for the automatic setting can be simply made even when there are plural terminals.
  • the wireless computer device 70 broadcasts a packet requiring the wireless setting information from the wireless LAN access point 60 in UDP.
  • the packet of an IP layer or more of the broadcasted packet is constructed from a UDP header portion and a data portion as shown in Figs. 5(a) and 5(b).
  • a number avoiding well-known port numbers "0" to "1023", e.g., "10667” is used in a destination port of the UDP header portion.
  • Network information and the wireless setting information are stored to the storing section 75 of the wireless computer device 70.
  • a data series "FFFF” showing an automatic setting packet is stored to the storing section. Therefore, its data, e.g., "FFFF " is stored to a data area together . with a
  • the transmitting packet is a packet of a fixed length and the data portion is set to 10 bytes.
  • a variable length packet is preferably used in a response packet to this transmitting packet.
  • the broadcasted transmitting packet is transmitted through a cable and is received by the wireless LAN access point 60.
  • the destination port is a predetermined port number "10667”
  • the automatic setting operation is started. It is first judged in the automatic setting whether a transmitting source MAC address included in the transmitting packet exists in the storing section 14. If no transmitting source MAC address exists, a new setting operation is performed..
  • the control section 16 reads network information, e.g., an IP address, a subnet mask, a default gate way, a DNS (Domain Name System) server address, the wireless setting information, e.g., SSID (Service Set ID), the existence/non-existence of encryption, an encryption system such as WEP (Wired Equivalent Privacy) , WPA (Wi-Fi Protected Access) , TKIP (Temporal Key Integrity Protocol) , etc. and the value of an encryption code from the wireless setting information storing section 14a in accordance with the request codes "01", "02".
  • network information e.g., an IP address, a subnet mask, a default gate way, a DNS (Domain Name System) server address
  • the wireless setting information e.g., SSID (Service Set ID)
  • WEP Wi-Fi Protected Access
  • TKIP Temporal Key Integrity Protocol
  • the information relevant to the encryption used in the wireless data communication can be used.
  • AES Advanced Encryption Standard
  • the control section 16 then stores such information to the transmitting packet, and designates and transmits the MAC address stored to the storing section 14 in the UDP protocol.
  • Response codes "11", "12” are stored to the packet.
  • a number avoiding the well-known port numbers "0" to "1023” and "10667", e.g., "10668" is used in the destination port of the UDP header portion.
  • the control section 16 transmits the packet to a predetermined port of another device of the network, here, the router device 10 with the wireless LAN function, and makes an inquiry.
  • the router device 10 with the wireless LAN function replies a response message in the shape of collective information, the case that the information stored to the wireless setting information storing section 14a and the responded information are not conformed to each other is caused.
  • the stored information is responded to the wireless setting information storing section 14a with respect to the un-conforming portion.
  • the transmitting packet broadcasted from the wireless LAN access point 60 is received by the wireless computer device 70 through the wired dedicated interface He, the cable and the wired dedicated interface 74b.
  • a transmitting source port is the predetermined port number "10668"
  • the transmitted setting information is then stored to the storing section 75 of the wireless computer device 70.
  • the wireless computer device 70 After the setting information is stored (set), the wireless computer device 70 notifies that the automatic setting is terminated from an unillustrated display section and an unillustrated voice output section. Thereafter, the setting information may be also transmitted from the wireless computer device 70.
  • the control section 16 of the wireless LAN access point 60 judges whether the setting information corresponding to the wireless computer device 70 and stored to the wireless setting information storing section 14a, and the received setting information are conformed to each other or not.
  • the display section 15 displays the automatic setting termination and terminates the automatic setting operation.
  • the wireless computer device 70 is a device operated as a terminal of the private network.
  • the control section 16 can judge whether (1) only the wireless setting information is transmitted, (2) only the network information is transmitted, or (3) both the wireless setting information and the network information are transmitted by seeing the transmitting source MAC address by the request codes "01", "02" included in the packet from the wireless computer device 70, or setting performed in advance.
  • the control section 16 can also transmit a signal in accordance with (1) to (3) .
  • the automatic setting between the router device 10 with the wireless LAN function and the wireless computer device 70 can be also similarly performed by using the dedicated protocol and the wired dedicated interface He as shown in Fig. 4(a) although a detailed explanation is omitted.
  • the wired dedicated interface of the wireless LAN access point 60 and the wired dedicated interface 74b of the wireless computer device 70 are first connected by a cable as shown in Fig. 4 to perform the operation in an automatic setting mode (SI) .
  • the wireless computer device 70 broadcasts the transmitting packet requiring the setting contents of the wireless setting information such as SSID, encryption information, etc. to the wired dedicated interface He by e.g., a port number "10667" in accordance with the UDP protocol (S2) .
  • the wireless LAN access point 60 waits for the reception of the packet in the predetermined port number "10667".
  • the wireless LAN access point 60 checks the contents of the packet.
  • the wireless LAN access point 60 judges that it is a request of the automatic setting, the wireless LAN access point 60 recognizes that the request person is the wireless computer device 70 from the MAC address described within the packet or the MAC address of a transmitting person within an Ethernet (registered trademark) frame of the received packet.
  • the wireless LAN access point 60 then starts the automatic setting operation.
  • the control section 16 reads the wireless setting information, e.g., SSID, the existence/non-existence of encryption, an encryption system and the value of an encryption code from the wireless setting information storing section 14a.
  • the control section 16 then stores the wireless setting information to the transmitting packet in which the destination port number is the port number "10668". Further, the control section 16 designates and ' transmits the MAC address of the request person as a client of the automatic setting in the UDP protocol (S3) .
  • the wireless computer device 70 receiving this packet sets the wireless setting information by these contents (S4), and notifies that the setting is terminated from an unillustrated display section and an unillustrated voice output section. Communication link can be established when the setting of the network information is successful at a correct value and the wireless computer device 70 gets access to the router device 10 with the wireless LAN function in the wireless protocol irrespective of the existence of a wired cable (S5) .
  • the wireless LAN access point 60 of the embodiment mode 1 can easily set the wireless setting information by using the dedicated protocol and the wired dedicated interface He even when the wireless LAN access point 60 is connected to the router device 10 with the wireless LAN function. Since the dedicated cable, the dedicated terminal and the wired dedicated interface are used, it is known at a glance about which wireless LAN access point the automatic setting is performed, thereby causing no error.
  • This embodiment mode 1 shows an example in which there are dedicated terminals in both the wireless LAN access point and the wireless computer and these dedicated terminals are connected by utilizing the dedicated cable. However, it is actually difficult to arrange a dedicated port in the wireless computer. Accordingly, it is preferable to utilize a normal Ethernet (registered trademark) port.
  • FIG. 7(a) is an internal constructional view of the router device with the wireless LAN function in the embodiment mode 2 of the present invention.
  • Fig. 7(b) is an internal constructional view of the wireless LAN access point in the embodiment mode 2 of the present invention.
  • Fig. 8 is a constructional view of the wireless computer device in the embodiment mode 2 of the present invention.
  • the router device 10 with the wireless LAN function and the wireless LAN access point 60 in the embodiment mode 2 basically have the same construction as the router device 10 with the wireless LAN function in the embodiment mode 1, and the same reference numerals designate the same contents and their explanations are therefore quoted.
  • the wireless computer device 70 of the embodiment mode 2 basically has the same construction as the wireless computer device 70 of the embodiment mode 1, and the same reference numerals de ' signate the same contents and their explanations are therefore quoted.
  • the router device 10 with the wireless LAN function and the wireless LAN access point 60 in the embodiment mode 2 will first be explained.
  • the router device 10 with the wireless LAN function will be briefly explained.
  • reference numerals 16a and 17 respectively designate a web server and a change-over switch.
  • the change-over switch 17 can perform a setting operation for allowing that a response to a received automatic setting request is made with respect to only a device turned on in its switch, and un-allowing that the response is made with respect to a device turned off in its switch.
  • the wireless LAN access point 60 waits for the operation of a change-over switch 27.
  • the change-over switch 27 can switch the operations of making a response to the automatic setting request at the turning-on time, and making no response to the automatic setting request at the turning-off time.
  • the wireless computer device 70 has a construction in which the wired dedicated interface 74b and the dedicated terminal 76b arranged in the wireless computer device 70 of the embodiment mode 2 are not arranged.
  • the wireless computer device 70 and one of LAN ports of the router device 10 with the wireless LAN function having a hub function are connected by a cable, and the wireless LAN access point 60 and another LAN port of the router device 10 with the wireless LAN function are connected by a cable.
  • the wireless LAN access point broadcasts an automatic setting request packet as a predetermined destination port number "10667".
  • the router device 10 with the wireless LAN function or the wireless LAN access point 60 receiving this packet determines the operation of making a response/no response in accordance with the state of the change-over switch 17 or 27.
  • This change-over switch 17 may be a hardware switch (a mechanical switch of the present invention) , and may be also a software ' switch for setting a flag corresponding to turning-on and turning-off of the switch at the automatic setting time and changing the setting of the switch by the control section 16 of the wireless LAN access point 60.
  • the router device 10 with the wireless LAN function and the wireless LAN access point 60 constructed above the automatic setting operation of the wireless setting information and the network information of the wireless computer device 70 will first be explained along the sequence chart of Fig. 6(b).
  • the router device 10 with the wireless LAN function and the wireless computer device 70 are first connected by a cable (Sll) , and the change-over switch 27 of the wireless LAN access point 60 is set to be turned on and the change-over switch 17 of the router device 10 with the wireless LAN function is turned off to perform the operation in an automatic setting mode (S12) .
  • the change-over switches 17, 27 are hardware switches
  • the change-over switches 17, 27 are set to be manually turned on and off.
  • the control section 16 is started and sets the change-over switches 17, 27 to be turned on and off. Operation control using the switching of the software switch will be explained in detail later.
  • the wireless computer device 70 broadcasts a transmitting packet requiring the setting contents of the wireless setting information to the network (S13) .
  • the change-over switch 27 is set to be turned off in the other access points except for the wireless LAN access point 60. Accordingly, no response to the transmitting packet requiring the setting contents of the ' wireless setting information is made (S13*)
  • the wireless LAN access point 60 waits ' for the reception of the packet in a predetermined port.
  • the wireless LAN access point 60 When the wireless LAN access point 60 confirms the contents of the received packet and judges that it is an automatic setting request, the wireless LAN access point 60 starts the automatic setting operation.
  • the control section 16 reads the wireless setting information from the wireless setting information storing section 14a, and stores the wireless setting information to the transmitting packet of a predetermined port number and transmits this wireless setting information (S14).
  • the wireless computer device 70 receiving this transmitting packet sets the wireless setting information (S15)-, and notifies that the setting is terminated from an unillustrated display section and an unillustrated voice output section. Next, if necessary, the turning-on and turning-off of the switch set in S12 are released (S16) .
  • the communication link can be established when the wireless computer device 70 gets access to the wireless LAN access point 60 in the wireless protocol in this state (S17) . Accordingly, data communication using UDP and the TCP/IP protocol can be performed on this communication link. Thus, web browsing from the wireless computer device to a server on the network can be performed (S18) .
  • the router device 10 with the wireless LAN function and the wireless LAN access point 60 in the embodiment mode 2 can univocally designate the device of a connecting object by switching the setting (the designation of a connection destination) of the change-over switch 17 of each device even in an environment in which another wireless LAN access point is connected in addition to the self wireless LAN access point.
  • a software switch is arranged in the router device 10 with the wireless LAN function and the wireless LAN access point 60, it is preferable to perform an operation from the network by using the wireless computer device 70.
  • the switching processing of the changeover switch 17 can be easily performed even when many wireless LAN access points 60 exist and the arranging place of the wireless LAN access point 60 is an unreachable place.
  • a web server 16a able to change the setting into a dialogue type is mounted to the control section 16 of the router device 10 with the wireless LAN function shown in Figs. 7(a) and 7(b) by transmitting and receiving a switch setting request in TCP/UDP and the TCP/IP protocol.
  • a switch setting page (hereinafter, information for displaying a switch setting input) described in HTML, etc. is stored to the storing section 14.
  • the control section 16 reads the information for the switch setting input display from the storing section 14 and transmits this information to a client PC through the network.
  • the browser of the client PC displays this information in an unillustrated display section. It is complicated to switch the states of the above individual switches by the switch setting requests for respectively setting these states since it is necessary to perform the switching operation by the number of changeover switches 17 of all the plural wireless LAN access points.
  • the automatic setting is performed by changing the hardware switch or the software switch and the switch of a device must be then changed physically or in software so as to return it to the original state. Therefore, it is necessary to confirm the settings of all the devices at the next automatic setting time and perform a resetting operation in accordance with necessity due to return forgetting and a setting error, which is complicated. Therefore, it is preferable to juxtapose a hardware switch in addition to the software switch so as to avoid this complicatedness . In this case, a device responding to the automatic setting can be finely designated by preferentially distinguishing the software switch and the hardware switch in accordance with time. Fig.
  • FIG. 9(a) is an explanatory view at an automatic setting request time of the router with the wireless function and the wireless LAN access point according to the state of the change-over switch.
  • Fig. 9(b) is an explanatory view for setting the preferential control.
  • Fig. 9(c) is an explanatory view of the operations of the router with the wireless function and the wireless LAN access point.
  • wireless LAN access points 60A, 60B and the wireless computer device 70 are connected and the automatic setting is performed by the switch.
  • the setting of the software switch is prior to that of the hardware switch for three minutes after an electric power source is turned on. Therefore, whether each device responds to an automatic setting response is different in accordance with the three minutes after the electric power source is turned on, and its subsequent time.
  • the router device 10 with the wireless LAN function does not respond to the automatic setting request for the first three minutes after the electric power source is turned on, but responds to the automatic setting request after the first three minutes have passed.
  • the wireless LAN access points 60A, 60B respond to the automatic setting request for the first three minutes after the electric power source is turned on, but do not respond to the automatic setting request after the first three minutes have passed. Accordingly, if the three minutes have passed after the electric power sources of all devices of the network are turned on, only the router device 10 with the wireless LAN function responds to the automatic setting request.
  • the automatic setting request is made from the wireless computer device 70 after the three minutes have passed after the electric power source of an entire system is turned on. Further, when it is desirous to perform the automatic setting so as to establish wireless link with the wireless LAN access point 60A, the electric power source of the entire system is turned off and the automatic setting request is made from the wireless computer device 70 within the three minutes after the electric power source of only the wireless LAN access point 60A is turned on. A similar operation is also performed with respect to the wireless LAN access point 60B.
  • FIG. 10 is a flow chart when it is set to a software mode for a constant time in the embodiment mode 2 of the present invention.
  • the router with the wireless function and the wireless LAN access point wait for an automatic setting request at a predetermined port number (S21) .
  • the router with the wireless function and the wireless LAN access point receive a packet
  • the router with the wireless function and the wireless LAN access point confirm the contents of the packet.
  • the router with the wireless function and the wireless LAN access point judge that it is an automatic setting request
  • the router with the wireless function and the wireless LAN access point confirm a passing time after an electric power source is turned on (S22) .
  • the router with the wireless function and the wireless LAN access point confirm the setting of a software switch (S23) .
  • the router with the wireless function and the wireless LAN access point confirm the setting of a hardware switch (S26) .
  • S24 information required from an internal memory area is fetched and response data are made
  • S25 a response to the automatic setting request is made
  • response data are made in S24 and a response to the automatic setting request is made in S25.
  • Fig. 11(a) is a response explanatory view when the automatic setting request is transmitted from the wireless computer to the wireless LAN access point having no dedicated port.
  • Fig. 11(b) is a view showing a response when the automatic setting request is transmitted from the wireless computer to the wireless LAN access point having the dedicated port.
  • Fig. 11(a) shows a network construction when the wireless LAN access points 60A, 60B having no dedicated port explained in the embodiment mode 2 are connected.
  • Fig. 11 (a) also shows a response when the automatic setting request is transmitted from the wireless computer.
  • Fig. 11(a) shows a response explanatory view when the automatic setting request is transmitted from the wireless computer to the wireless LAN access point having no dedicated port.
  • Fig. 11(b) is a view showing a response when the automatic setting request is transmitted from the wireless computer to the wireless LAN access point having the dedicated port.
  • Fig. 11(a) shows a network construction when the wireless LAN access points 60A, 60B having no dedicated port explained
  • FIG. 11 (b) shows a network construction when a wireless LAN access point 60C having the dedicated port explained in the embodiment mode 1 is connected.
  • Fig. 11 (b) also shows a response when the automatic setting request is transmitted from the wireless computer. Transmitted and received requests and response packet are similar to those shown in Figs. 5(a), 5(b) and 5(c).
  • Figs. 7 and 8 are also referred in the embodiment mode 3.
  • the router device 10 with the wireless LAN function can respond to both the request of network information such as . an IP address, etc. and the ' wireless setting information.
  • the wireless LAN access points 60A, 60B, 60C can respond to the request of the wireless setting information, but cannot respond to the request of the network information.
  • the router having no wireless LAN function can respond to the request of the network information, but cannot respond to the request of the wireless setting information.
  • the information of different kinds such as the wireless setting information, the network information, etc.
  • an operation according to the state of the hardware switch is performed with respect to the automatic setting request from the wireless computer device.
  • the router with the wireless LAN function makes responses of information with respect to both the network information and the wireless setting information.
  • the hardware switch (Sw) becomes off in the wireless LAN access point 60A, no response is made at all. Further, the hardware switch (Sw) becomes on in the wireless LAN access point 60B, but no wireless LAN access point 60B ' has the network information. Therefore, only the wireless setting information is responded in the wireless LAN access point 60B. Accordingly, two information constructed by the network information and the wireless setting information is given from the router device 10 with the wireless LAN function to the wireless computer. Only the wireless setting information is given from the wireless LAN access point 60B. Thus, the wireless computer device 70 receives the two kinds of wireless setting information, and it is necessary to judge which information should be adopted.
  • the router device 10 with the wireless LAN function, the wireless LAN access point 60 and the wireless computer device 70 for solving these problems will next be explained.
  • the wireless computer device 70 of Fig. 11(a) performs broadcast transmission by an automatic setting request packet shown in Fig. 5(a) .
  • both the network information and the wireless setting information are requested by describing two codes "01" and "02" in a request code.
  • the router device 10 with the wireless LAN function and the wireless LAN access points 60A and 60B receiving this request packet respond to the receiving packet, or abandon the receiving packet in accordance, with the state of a switch set to each device as mentioned above.
  • the wireless computer device 70 makes a response by broadcast-transmitting the response packet shown in Fig.
  • the router device 10 with the wireless LAN function has a global IP address "232. 0. 0. 2" and a local IP address "192. 168. 0. 2".
  • the wireless LAN access point 60B has a local IP address "192. 168. 0. 3".
  • the IP address "192. 168. 0. 2" is smaller than the IP address "192. 168. 0. 3" when these IP addresses are seen as numerals. Accordingly, in such a case, the router device 10 with the wireless LAN function is adopted as a wireless LAN access point.
  • the automatic setting can be very easily performed by only the comparison of the IP addresses.
  • the MAC address . for example, "2233FFDD6601” and “2233FFDD6602" are compared and the wireless LAN access point of the MAC address of a smaller numeral is adopted.
  • the wireless LAN access point having the host name of "pcOOl" is selected.
  • the wireless LAN access point having the dedicated port shown in the embodiment mode 1 there is a case in which the wireless LAN. access point 60C is connected to the router device 10 with the wireless LAN function by the Ethernet (registered trademark) , and the dedicated port of the wireless LAN access point 60C and an Ethernet (registered trademark) port of the wireless computer device 70 are connected.
  • a normal Ethernet (registered trademark) cable can be used in the dedicated port of the wireless LAN access point 60C if this dedicated port is an Ethernet (registered trademark) port.
  • the wireless computer device 70 performs the automatic setting.
  • the wireless LAN access point 60C stores a local IP address "192. 168. 0. 4" and an external port number "2000" to the response code "11" as data. Further, the wireless LAN access point 60C stores the wireless setting information to the response code "12", and generates 'a response I. However, no wireless LAN access point 60C can make a response with respect to the network information (IP address) . Therefore, the wireless LAN access point 60C transmits a request II to the router device 10 with the wireless LAN function having a routing function, and makes an inquiry of the network information (IP address, etc.).
  • the request code is set to "01" in the format of Fig. 5(a) .
  • the router with the wireless LAN function receiving this request packet (II) stores the network information (IP address "192. 168. 0. 10", etc.) for allocating the response code as "11" in the format of Fig. 5(a) to a data portion, and makes a response packet (III) and broadcast-transmits this response packet.
  • the wireless LAN access point 60C fetches the network information (IP address "192. 168. 0. 10", etc.) from the response packet (III), and makes an automatic setting response packet (IV) in the format described in Fig.
  • the wireless computer device 70 can set the network information and the wireless setting information on the basis of this response packet (IV) . After the setting, the wireless computer device 70 broadcasts the setting termination, and the wireless LAN access point 60C receives this setting termination and confirms the setting.
  • the request packet (II) may be transmitted in a format for transferring the request packet (I) as it is, and the router device 10 with the wireless LAN function may also make a reply of the personal network information and wireless setting information without inquiring of the router device 10 with the wireless LAN function about the network information (IP address, etc.) in the request packet (II) by the wireless LAN access point 60C.
  • the wireless LAN access point changes the area of the MAC address of a requested device in format data described in Fig. 5(a) from the wireless computer device 70 to the personal MAC address.
  • the router device 10 with the wireless LAN function receives the automatic setting request (II) including the request codes "01", "02” in which the request person is the wireless LAN access point 60C.
  • the router device 10 with the wireless LAN function also makes the automatic setting response packet (III) including the response codes "11", "12” by using internal information of the router with the wireless LAN function, and broadcast- transmits this automatic setting response packet (III) to the wireless LAN access point 60C.
  • the wireless LAN access point 60C fetches the network information (IP address "192. 168. 0.
  • the wireless LAN access point 60C can also have a change-over switch for switching two operating modes constructed by a mode for performing a rewriting operation at a relaying time of the automatic setting request packet from the wireless computer device 70 and the automatic setting response packet and the automatic setting response packet from the router with the wireless LAN function, and a mode for relaying these packets as they are without performing the rewriting operation.
  • This change-over switch may be one of the hardware switch and the software switch.
  • the automatic setting request packet from the wireless computer device 70 is received by both the wireless LAN access point 60C and the router device 10 with the wireless LAN function, and both the wireless LAN access point 60C and the router device 10 with the wireless LAN function reply the automatic setting response packet. Therefore, the network information and the wireless setting information can be also constructed by the wireless computer device 70 by obtaining the automatic setting response (I) from each of the wireless LAN access point 60C and the router device 10 with the wireless LAN function. At this time, one of the overlapping information is adopted by the above judging method. (Embodiment mode 4) A hardware construction example of the wireless LAN access point 60 in embodying the present invention is shown in Fig. 12.
  • a wireless radio wave is received from an antenna 131 for performing wireless communication with another terminal device.
  • a wireless section LSI132 for converting a wireless signal into a digital signal or converting the digital signal into the wireless signal on the basis of standards of IEEE802.11a, 802.11b, 802. llg is realized by AR5112 of Atheros corporation.
  • the antenna 131 and the wireless section LSI132 of the embodiment mode 3 correspond to the wireless section 13 of the wireless LAN access point explained by using Fig. 7 (b) in the embodiment mode 2.
  • a control section 16 for performing relay processing of the digital signals of communication of the wireless LAN access point and wired LAN communication, and control processing of the wireless section LSI132, and having a MAC frame transmitting-receiving function in the wired LAN is realized by AR2313 of Athero corporation.
  • the control section 16 executes the relay processing of the digital signal and the control processing of the wireless section LSI132 by executing a program stored to a ROM (Read Only Memory) 141 while using a RAM (Random Access Memory) 142.
  • the ROM 141 and the RAM 142 of the embodiment mode 3 correspond to the storing section 14 of the wireless LAN access point explained by using Fig. 7 (b) in the embodiment mode 2.
  • a LAN interface Ha for converting an electric signal inputted and outputted via a connection modular jack 19a into a digital signal processed by the control section 16, or converting the digital signal into the electric signal is realized by KSZ8721BT of Kendin corporation.
  • the change-over switch 27 explained in the embodiment mode 2 is realized as a switch for selecting a high electric potential side and a ground side connected to a pull-up resistor from an electric power source.
  • the display section 15 showing an operating state of the wireless LAN access point of the present invention is realized by using an LED connected to the control section 16. This LED shows a state of the wired LAN, a state of the wireless LAN, and a state of the electric power source of the wireless LAN access point. (Embodiment mode 5) Fig.
  • the router device 10 ' with the wireless LAN function of the embodiment mode 1 is one example of this hardware construction.
  • the control section 16 is constructed by two LSIs.
  • the wireless LAN access point having the additional function of the embodiment mode 5 basically has the same construction as the wireless LAN access point 60 of the embodiment mode 4, and the same reference numerals designate the same contents and their explanations are therefore quoted.
  • the difference between the wireless LAN access point of the embodiment mode 5 and the wireless LAN access point of the embodiment mode 3 is that the control section 16 is constructed by two LSIs and the LSI realizes the wireless section LSI132.
  • the wireless section LSI132 for converting a wireless signal into a digital signal or converting the digital signal into the wireless signal on the basis of the standard of IEEE802.11b is realized by AR2112 of Atheros corporation. Similar to the embodiment mode 4, a case for coping with the standards of IEEE802.11a, 802.11b and 802. llg can be realized by mounting AR5112 of Atheros corporation.
  • a control section (network control) 161. for performing relay processing of the digital signals of communication of the wireless LAN access point and wired LAN communication, and control processing of the wireless section LSI132, and having a MAC frame transmitting- receiving function in the wired LAN is realized by AR5213 of Athero corporation.
  • a control section (device control) 162 for realizing an additional function such as a router function, etc. is realized by 6417751 of Hitachi Co., Ltd.
  • a ROM 141 and a RAM 142 are determined in accordance with the specification of the control section (device control) 162 and processing contents for realizing the additional function.
  • the control section (device control) 162 for controlling the additional function performs processing for controlling the operation of a device, and processing for controlling the operation of the control section (network control) 161.
  • the wireless LAN access point having various additional functions can be realized by adding elements required in accordance with the additional function.
  • FIG. 14 shows a perspective view seen from the front face of the wireless LAN access point 60 in its external appearance example in embodying the present invention.
  • Fig. 15 is a perspective view seen from the rear face of the wireless LAN access point 60.
  • An antenna 131 is mounted to a right-hand deep portion seen from the front face of a box body 98.
  • a change-over input switch 27 is mounted to the right-hand side face of the box body.
  • the change-over switch may be constructed by mounting a slide switch, and may be also set to a mechanical push switch.
  • the change-over switch may be also set to a switch in which a switch having a simple contact unfixing ON/OFF and processing for making a judgment by the control section 16 or the control section 162 are combined.
  • the mounting place of the change-over input switch 27 is desirably set to the side face or the front face of the box body 98 in setting the wireless LAN access point after the arrangement. When the external appearance is considered, the arrangement onto the side face of the box body is further desirable.
  • a LED (Light Emitting Diode) showing the state of the wireless LAN access point is mounted to the front face of the box body 98. The LED shows a state of the wired LAN, a state of the wireless LAN, and an electric power state of this wireless LAN access point.
  • An AC adapter connector 99 for supplying electric power to the wireless LAN access point of this embodiment is mounted to the right-hand side seen from the rear face of the box body 98.
  • a terminal (connection modular jack) 19a for connection to the wired LAN is mounted to the left-hand side seen from the rear face of the box body 98.
  • the present invention can be applied to a wireless LAN access point able to automatically set a wireless communication condition between the wireless LAN access point and a wireless terminal device such as a server, a wireless computer device, etc.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Automation & Control Theory (AREA)
  • Small-Scale Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

La présente invention porte sur un point d'accès au réseau local (LAN) et un système sans fil qui permettent de régler facilement les informations de réglage du point d'accès au système sans fil même s'il existe un autre point d'accès au réseau local. L'invention est principalement caractérisée en ce qu'un dispositif routeur (10) possède une fonction de réseau sans fil, et qu'un point d'accès sans fil possède un port dédié qui règle automatiquement un état de communication. Le système comprend un moyen de commande pour émettre et recevoir des informations de réglage de condition de communication par rapport à un dispositif désigné, ainsi qu'un moyen de connexion directe du port dédié et un dispositif informatique sans fil (70). La présente invention est également caractérisée en ce que l'objet de l'invention comprend un moyen de commande pour faire un jugement pour savoir si la réponse à une requête de réglage automatique a été faite conformément à l'état d'un commutateur inverseur au lieu du port dédié.
PCT/JP2005/008105 2004-04-21 2005-04-21 Appareil de communication sans fil et procede de configuration de communication sans fil WO2005104459A1 (fr)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2053785A1 (fr) * 2007-10-22 2009-04-29 Sony Corporation Dispositif sans fil pour routeur
US8050241B2 (en) 2006-11-30 2011-11-01 Research In Motion Limited Determining identifiers for wireless networks
US8335156B2 (en) 2009-02-17 2012-12-18 Seiko Epson Corporation Network connection control system
US8676157B2 (en) 2004-08-20 2014-03-18 Fujitsu Limited Wireless network system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011238984A (ja) * 2010-04-30 2011-11-24 Mitsubishi Electric Corp 通信装置及び運用情報取得方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1367775A2 (fr) * 2002-05-09 2003-12-03 Gateway, Inc. Procédé, système et programme d'ordinateur pour transférer une configuration de réseau longue distance d'un ordinateur à une passerelle residentielle
US20040030895A1 (en) * 2002-08-09 2004-02-12 Canon Kabushiki Kaisha Network configuration method and communication system and apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1367775A2 (fr) * 2002-05-09 2003-12-03 Gateway, Inc. Procédé, système et programme d'ordinateur pour transférer une configuration de réseau longue distance d'un ordinateur à une passerelle residentielle
US20040030895A1 (en) * 2002-08-09 2004-02-12 Canon Kabushiki Kaisha Network configuration method and communication system and apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
D'ANTONIO S ET AL: "An architecture for automatic configuration of integrated networks", NETWORK OPERATIONS AND MANAGEMENT SYMPOSIUM, 2004. NOMS 2004. IEEE/IFIP SEOUL, KOREA APRIL 19-23, 2004, PISCATAWAY, NJ, USA,IEEE, vol. 1, 19 April 2004 (2004-04-19), pages 351 - 364, XP010712593, ISBN: 0-7803-8230-7 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8676157B2 (en) 2004-08-20 2014-03-18 Fujitsu Limited Wireless network system
US8744405B2 (en) 2004-08-20 2014-06-03 Fujitsu Limited Wireless network system
DE112004002946B4 (de) * 2004-08-20 2016-03-31 Fujitsu Ltd. Drahtloses Netzsystem
US8050241B2 (en) 2006-11-30 2011-11-01 Research In Motion Limited Determining identifiers for wireless networks
EP2053785A1 (fr) * 2007-10-22 2009-04-29 Sony Corporation Dispositif sans fil pour routeur
US7958211B2 (en) 2007-10-22 2011-06-07 Sony Corporation Automatic configuration of wireless device for router
US8335156B2 (en) 2009-02-17 2012-12-18 Seiko Epson Corporation Network connection control system

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