WO2004105324A1 - 無線通信を用いたクライアントへのサービス提供 - Google Patents
無線通信を用いたクライアントへのサービス提供 Download PDFInfo
- Publication number
- WO2004105324A1 WO2004105324A1 PCT/JP2004/006727 JP2004006727W WO2004105324A1 WO 2004105324 A1 WO2004105324 A1 WO 2004105324A1 JP 2004006727 W JP2004006727 W JP 2004006727W WO 2004105324 A1 WO2004105324 A1 WO 2004105324A1
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- Prior art keywords
- client
- information
- connection
- network
- information processing
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/246—Connectivity information discovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Definitions
- the present invention relates to an information processing apparatus for establishing a connection with a client via a protocol using wireless communication such as Bluetooth to provide a client with an access point to a network.
- a protocol using wireless communication such as Bluetooth
- a wireless system using them a wireless system using them
- a position detection system a position detection system
- an explanation system a program used therefor
- the information processing apparatus client, wireless' system, position detection system, and explanation It relates to access 'point provision method, network connection method, wireless' system operation method, position detection method, and explanation method applicable to the system.
- Bluetooth is known as one of the protocols for performing wireless data communication. Bluetooth makes it possible to easily connect various devices over obstacles as long as they are within a predetermined short distance, without using interface cables or the like.
- the server when a client is connected to a server on a network, the following procedure is followed.
- the server In other words, the server must be set in advance so that it can be detected by device detection by all clients, or set so that it can be detected by device detection by clients belonging to a specific group. Keep it.
- the client performs device detection based on a user's instruction or the like.
- the device detection in this case is an operation of obtaining information specifying a device from a Bluetooth device existing within the communicable range according to the inquiry procedure specified in the Bluetooth specification.
- the service provided by the detected device is detected.
- a physical link is established with the server that provides the LAN service.
- the LAN will be accessible through this physical link.
- Patent Document 1 JP 2002-230396 A
- the client to be managed is located at a distance from the server that can actually perform a handshake by Bluetooth, the client detects the server, establishes a connection between the two, and then connects to the server. Only after the process of registering a client can a managed connection be made. According to this, since the actual registration work is required for the number of clients to be managed, there are many clients to be managed, and in some cases it is not realistic.
- An object of the present invention is to eliminate the need for a server on a network in view of the problems of the related art.
- it is possible to easily manage clients that are allowed to connect to the network.
- Another purpose is to facilitate network connection.
- the information processing apparatus and the access point providing method establish a connection with a client via a predetermined protocol using wireless communication.
- the wireless communication It detects the clients in the server and sends the detected clients the connection information necessary to establish a connection to the network.
- a connection is established with the information processing apparatus via a predetermined protocol using wireless communication, and the information processing apparatus accesses the network.
- the client receives a broadcast packet specified by the information processing device and returns a response packet containing information that identifies the client, so that the client can communicate within the range where wireless communication is possible.
- the information processing device is located at a location, it can be detected by the information processing device, and a network connection is established based on connection information sent from the information processing device when the detection is performed.
- a wireless system includes the above-described information processing apparatus and client according to the present invention. Further, in the wireless system operating method according to the present invention, the client is connected to the network using the above-described access point providing method and network connecting method according to the present invention.
- a program according to the present invention causes a computer to function as the above-described information processing apparatus, client, or wireless system according to the present invention.
- Bluetooth corresponds to the predetermined protocol.
- Client detection can be performed, for example, according to the inquiry procedure defined in the Bluetooth specification.
- Transmission of connection information can be performed by push distribution, which distributes information semi-forcedly.
- Push delivery for example, blue This can be done according to the object 'push' profile according to the tooth specification.
- the connection to the network can be established, for example, by LAN access according to the Bluetooth specification, access using the PPP protocol according to the profile, etc.Establishment of the connection with the point, and establishment of the connection to the network by the upper TCP / IP protocol etc.
- Examples of the client include a PDA (Personal 'Digital' Assistant), a mobile phone, and a PHS that can support the predetermined protocol.
- a PDA Personal 'Digital' Assistant
- a mobile phone a PHS that can support the predetermined protocol.
- a PHS Personal System for Mobile communications
- the information processing device for example, a notebook PC or a desktop PC that can support the predetermined protocol is applicable.
- the information processing apparatus when the information processing apparatus sends out a broadcast packet at a predetermined interval and detects a client, and the client enters the communicable range, the client receives the broadcast packet and responds. Reply the packet. This means that the client has been detected by the information processing device.
- the response packet includes the identification information of the client, the information processing device that has received the response packet can transmit connection information necessary for establishing a network connection to the client. The client can establish a network connection based on this information.
- the detection procedure of the client is opposite to the conventional procedure of detecting the information processing device from the client side.
- the information processing device detects the client and selects the detected client to permit connection. can do. Therefore, according to the present invention, since the information processing device does not need to be detected by the client, it can be set so that the detection from the client side cannot be performed.
- the detected client determines whether or not the connection to the network is permitted, whether or not the detected client is recorded, and whether or not the detected client is recorded in a file, or not.
- the connection information By transmitting the connection information only when the connection is established, unauthorized clients can be prevented from connecting.
- the client that has received the connection information necessary for establishing the network connection can establish the network connection based on the connection information without bothering the user. At this time, if the client has a shared directory in which the transmitted connection information is stored, the client monitors the shared directory.
- the client monitors the network based on the connection information. Establish a connection, but leave the directory empty. On the other hand, if the client does not have a program that handles such connection information, it will be difficult to establish a network connection. This also prevents unrestricted access to the network.
- a server connected to the network transmits information associated with the client.
- the display related to the information based on the request from the client can be performed on the display device.
- the information associated with the client includes, for example, information on what information the client requested or provided to the client when the client accessed the server in the past. . It may be like a cookie sent to the client during past access.
- the server extracts information corresponding to the user's preference and displays the information on the display device. Can be performed. Also, the user can display desired information on the display device by operating the client. If a large-screen display such as a PDP is used as the display device, more information can be easily provided to the user.
- a position of a user carrying a client is detected, and a description of a location-historical site is provided.
- the information processing apparatus detects the client, and sends connection information to the client.
- the client establishes a connection to the network based on the connection information.
- the server sends the identification information of the information processing device providing the client to the server, stores in advance the position detection information that has the information processing device's position and the identification information in association with each other.
- the position of the client may be specified based on the information and the information for position detection.
- the client transmits its own identification information and the identification information of the information processing apparatus providing the access point to the network to the server
- the server stores in advance the explanation information having the identification information of the information processing apparatus and the information on the corresponding explanation in association with each other, and based on the transmitted identification information and the explanation information, the server stores the information on the corresponding explanation.
- the information may be transmitted to the client, and the client may output the explanation by voice or image display based on the transmitted information on the explanation.
- FIG. 1 illustrates a Bluetooth 'wireless. System according to one embodiment of the present invention.
- This system has a server 1, a client 2 receiving various information from the server 1, and a notebook PC 3 interposed between the server 1 and the client 2 and functioning as an access point.
- a personal digital assistant (PDA) or the like can be used as the client 2, a personal digital assistant (PDA) or the like can be used.
- the server 1 and the notebook PC 3 are connected by Ethernet (registered trademark), and bidirectional communication by TCP / IP is possible.
- Each of the notebook PC 3 and the client 2 has a Bluetooth 'module including a wireless modulation unit and a baseband unit, so that a Bluetooth link can be established. In addition, it supports the object 'push' profile and LAN access' profile etc. according to the Bluetooth specification.
- FIG. 2 is a block diagram showing a main configuration of the notebook PC 3.
- the notebook PC 3 has a CPU 21 that performs data processing and control of each part based on a program, a memory 22 that stores various programs and data, an input means 23 for performing operation input, a data processing result by the CPU 21, and the like.
- Display based on the device and functions as a GUI (graphical 'user' interface) 24, a network 'interface 25 for connecting to a network, including a wireless modulation unit and baseband unit, enabling communication using the Bluetooth' protocol ' Bluetooth module 26, and a bus 27 connecting these components.
- GUI graphical 'user' interface
- the memory 22 includes a ROM, a RAM, a hard disk, and the like.
- the application program includes a program to make the notebook PC 3 function as a Bluetooth access point.
- the memory 22 stores a list of Bluetooth 'device' addresses of the client 2 permitted to connect to the network. The Bluetooth 'device' address is assigned to each Bluetooth device for each device to uniquely identify the Bluetooth device.
- the server 1 and the client 2 also have the same configuration as the notebook PC 3.
- the server 1 does not need the Bluetooth module 26, and the client 2 does not need the network interface 25.
- FIG. 3 is a flowchart showing a processing procedure in the notebook PC 3 when the client 2 establishes a network connection.
- the client 2 detects the notebook PC 3 from the client 2 side.
- the notebook PC 3 detects the client 2.
- Client 2 establishes a Bluetooth link with the laptop 3 and can be detected to be able to make a network connection. It is necessary that the transfer function is enabled and that the LAN connection service is enabled.
- step 31 device detection for collecting information of the client 2 within a communicable range is performed.
- This device detection is performed according to the Bluetooth 'device' inquiry procedure, and is performed by transmitting a broadcast packet including an IAC (inquiry access' code) at regular intervals.
- the broadcast packet may be a GIAC (General / Unlimited Inquiry Access Code) code that indicates that all Bluetooth devices are to be queried, or a DIAC that indicates that only specific types of unorate devices are to be queried. (Device-Specific Inquiry Access Code) Ability to use a code including a code Use the DIAC code that is the target of the training.
- GIAC General / Unlimited Inquiry Access Code
- step 32 it is determined whether the client 2 has been recognized by receiving the response packet transmitted by the client 2 in response to the broadcast packet.
- the response packet contains the Bluetooth 'device' address of client 2 that responded. If it is determined that the client 2 cannot be recognized, the process waits for about 10 seconds in step 33, returns to step 31, and performs device detection again. In this way, device detection is repeated about every 10 seconds until Client 2 enters the communication range and responds.
- step 32 If it is determined in step 32 that any of the clients 2 has been recognized, the process proceeds to step 34 to interrupt the device detection. Then, in step 35, the Bluetooth device address of the client 2 included in the response packet is obtained.
- step 36 it is determined whether or not a device that matches the acquired Bluetooth "device" address is present in the list of Bluetooth "device” addresses of the client 2 that is permitted to connect to the network.
- the process proceeds to step 37, and the information file having the information necessary for establishing the network connection is pushed to the detected client 2 according to the object push-up profile.
- the pushed information file will be stored in the shared directory of Client 2.
- step 37 the process returns to step 31 after waiting for 10 seconds again in step 33, and further continues device detection.
- FIG. 4 is a flowchart showing a processing procedure in the client 2 when establishing a network connection.
- step 41 the information file transferred from the notebook PC 3 is searched in the shared directory, and in step 42, it is determined whether or not the information file has been recognized. If it is determined that the information file could not be recognized, the process waits for about one second in step 43, and then returns to step 41 to search the information file again. In this way, continuously monitor the information file being pushed
- step 42 when it is determined that the information file in the shared directory has been recognized, the process proceeds to step 44, in which it is determined whether or not to execute a network connection. After prompting the user for input and emptying the shared directory in step 45, it is determined in step 46 whether the execution of the network connection is selected. If it is determined that the execution of the network connection has not been selected, the process waits for about one second in step 43, returns to step 41, and searches the information file again. To empty the shared directory, move the information file to another location or delete it.
- step 46 If it is determined in step 46 that execution of network connection is selected, network connection information in the OS is set in step 47 based on the information file, and network connection is executed in step 48.
- a link to the notebook PC 3 is formed according to the LAN access profile of the Bluetooth specification, and a connection to the network with the notebook PC 3 as the access point is established.
- an environment for connecting to the Internet and intranet for Client 2 will be established.
- the process returns to step 41 via step 43.
- the client 2 since the client 2 is detected from the notebook PC 3, contrary to the related art, it is possible to prevent the client 2 from making an unlimited network connection.
- laptop 3 was set to be able to be detected, and device detection was performed from client 2 side, so the Bluetooth 'device address of laptop 3 was sent to client 2 when it was detected, Based on this, Client 2 could make a network connection without any restrictions.
- the notebook PC In contrast, in the present embodiment, the notebook PC
- Client 2's Bluetooth 'device' address is in the list of Client 2 Bluetooth.device.addresses that are allowed to connect to the network, it will give Client 2 its own Bluetooth 'device' address, etc. Push and allow network connection.
- the client 2 automatically establishes a network connection based on information pushed by the notebook PC 3, so that the user can set up a network connection in the client 2. Labor for performing the operation can be eliminated. [0036] Further, the client 2 needs to have a program for processing the information file pushed by the notebook PC and establishing a network connection. That is, the client 2 without such a program cannot establish a network connection. From a powerful point of view, it is possible to prevent unrestricted access to the network.
- FIG. 5 shows an Internet 'cafe' system according to another embodiment of the present invention.
- This system consists of web servers 51 and 52 connected to the Internet, a notebook PC 53, and a PDA 54 carried by the user.
- a PDP (plasma 'display' panel) 55 is connected to each of servers 51 and 52.
- a PDP 55 connected to server 52 is installed outside the store so that customers at the storefront can easily observe it.
- the Sano's 51 and 52, the notebook PC 53, and the PDA 54 have the same configurations as the server 1, the notebook PC 3, and the client 2 in the above-described embodiment, respectively.
- the notebook PC 53 uses the PDA 54 set so that it can be detected by device detection in the same procedure as the procedure shown in FIG.
- An information file having information necessary for establishing a network connection is pushed to the detected PDA 54 on condition that the network connection is permitted.
- This information includes the access' point name (bluetooth 'device' name of laptop 53) access point's hardware address (bluetooth device address of laptop 53), and the BMP file that was displayed. Included.
- PDA 54 Based on these pushed information, PDA 54 establishes a network connection in a procedure similar to the procedure shown in Fig. 4. At that time, the display device of the PDA 54 performs display based on the BMP file. As a result, the PDA 54 can access the Internet and can perform two-way communication with the servers 51 and 52.
- the PDA 54 and the application program of the server 52 can communicate with each other.
- the server 52 records the PDA 54 in association with the Bluetooth "device" address or the like. Based on the information provided, appropriate information and display data can be selected, displayed on the PDP 55, and transmitted to the PDA 54 by push transmission.
- the PDA 54 can send a request based on the operation input to the server 52, and display the request based on the request on the PDP 55 by the Sano 52.
- information etc. according to the needs of each customer is pushed to the customers passing through the storefront.
- FIG. 6 is a block diagram showing a position detection system according to still another embodiment of the present invention.
- This system includes an information processing device 61 (61a-61d, ...) functioning as an access point, a server 63 connected to each information processing device 61 via an Ethernet (registered trademark) 62, It has a client 64 whose location is detected.
- the information processing device 61, the server 63, and the client 64 have the same configurations as the notebook PC 3, the server 1, and the client 2 in FIG. 1, respectively.
- the server 63 stores information on the position of each information processing device 61 as position detection information in association with the Bluetooth 'device' address of each information processing device 61.
- the information processing device 61a detects the client 64 in the procedure of FIG. 3, and sends the connection information to the client 64. To push. At this time, the client 64 receives the connection information including the Bluetooth device address of the information processing device 61a according to the procedure of FIG. 4, and connects the information processing device 61a to the server 63 as an access point. Thereafter, the program of the client 64 sends the Bluetooth 'device address of the client 64 and the information processing device 61a to the program of the server 63. The program of the server 63 can detect that the client 64 is located within the communicable range of the information processing device 61a based on the Bluetooth 'device' address and the position detection information.
- the client 64 When the user having the client 64 moves in the direction of arrow 65 and leaves the communicable range of the information processing device 61a and enters the communicable range of the information processing device 61b, the client 64 Through the same procedure via 61b, it is detected that the information processing device 61b is located within the communicable range. Thus, while the user proceeds in the direction of the arrow 65, the position of the user is detected via the sequential information processing devices 61a 61d.
- FIG. 7 is a block diagram showing an explanation system according to still another embodiment of the present invention.
- This system is an information processing device 71 (71a 71d, ...) that functions as an access point.
- Each information processing apparatus 71 includes a server 73 connected via an Ethernet (registered trademark) 72 and a client 74 owned by a user.
- the information processing device 71, the server 73, and the client 74 have the same configurations as the notebook PC 3, the server 1, and the client 2 in FIG. 1, respectively.
- the server 73 stores information relating to the explanation content corresponding to each information processing apparatus 71 as explanation information in association with the Bluetooth 'device' address of each information processing apparatus 71.
- the information processing device 71a detects the client 74 in the procedure of FIG. 3, and sends the connection information to the client 74. To push. At this time, the client 74 receives the connection information including the Bluetooth 'device' address of the information processing device 71a according to the procedure of FIG. 4, and connects the information processing device 71a to the server 73 as an access point. At that time, a confirmation message such as "Do you want to hear the explanation?" Is displayed on the confirmation screen as to whether or not to establish the network connection as in step 45 in Fig. 4, and confirm that the explanation will be heard. If the result is obtained, a network connection can be established thereafter.
- the program of the client 74 After establishing the network connection, the program of the client 74 sends the Bluetooth 'device' address of the client 74 and the information processing device 71a to the program of the server 73.
- the program of the server 73 sends information on the explanation corresponding to the information processing apparatus 71a to the client 74 based on the Bluetooth 'device' address and the explanation information.
- the program of the client 74 Upon receiving this, the program of the client 74 outputs a description by voice or displays it on the screen based on the received information.
- the client 74 When the user having the client 74 advances in the direction of arrow 75 and leaves the communicable range of the information processing device 71a and enters the communicable range of the information processing device 71b, the client 74 Through the same procedure, the instruction information corresponding to the information processing device 71b is received via the information processing device 71b, and the audio output of the explanation and the image display can be performed. In this way, while the user proceeds in the direction of arrow 75, the information for explanation is sequentially received via the information processing devices 71a 71d, and the explanation corresponding to the information processing devices 71a 71d is provided to the user. It can be carried out.
- confirmation message other than selecting whether the language for explanation is English or Japanese
- a message for prompting the user to select a detailed or brief explanation is displayed, and the information provided from the server 73 to the client 74 is dynamically changed according to the user's selection. You may do so.
- the explanation system according to the present embodiment can be applied to guidance of famous places and historic sites, and explanation of exhibits in museums.
- the information processing device 71 is installed at each of the explanation points and the guidance points, and the visitor has the client 74.
- Bluetooth is used as a protocol for establishing a network connection by performing wireless communication. Instead, similar to Bluetooth, device detection from the server side and establishment of a network connection are performed. If there is a protocol that can perform the push distribution before, it can be used.
- device detection is performed from the information processing apparatus side, and connection information necessary for establishing a network connection is sent to the detected client. Unrestricted access to the server can be prevented. Also, based on the sent connection information, it is possible to establish a network connection without bothering the user.
- FIG. 1 is a block diagram showing a Bluetooth 'wireless system according to an embodiment of the present invention.
- FIG. 2 is a block diagram showing a main configuration of a notebook PC in the system of FIG. 1.
- FIG. 9 is a flowchart showing a processing procedure in C.
- FIG. 4 is a flowchart showing a processing procedure in a client when establishing a network connection in the system of FIG. 1.
- FIG. 5 is a block diagram showing an Internet 'cafe' system according to another embodiment of the present invention.
- FIG. 6 is a block diagram showing a position detection system according to still another embodiment of the present invention.
- FIG. 7 is a block diagram showing an explanation system according to still another embodiment of the present invention.
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US10/557,544 US20080051031A1 (en) | 2003-05-21 | 2004-05-15 | Providing Service to Clients Using Wireless Communication |
JP2005506337A JP4435089B2 (ja) | 2003-05-21 | 2004-05-19 | 無線通信を用いたクライアントへのサービス提供 |
EP20040733913 EP1631008A1 (en) | 2003-05-21 | 2004-05-19 | Provision of services to clients by use of radio communication |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2003-142923 | 2003-05-21 | ||
JP2003142923 | 2003-05-21 |
Publications (1)
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WO2004105324A1 true WO2004105324A1 (ja) | 2004-12-02 |
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PCT/JP2004/006727 WO2004105324A1 (ja) | 2003-05-21 | 2004-05-19 | 無線通信を用いたクライアントへのサービス提供 |
Country Status (7)
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US (1) | US20080051031A1 (ja) |
EP (1) | EP1631008A1 (ja) |
JP (1) | JP4435089B2 (ja) |
KR (1) | KR20060022644A (ja) |
CN (1) | CN1826764A (ja) |
TW (1) | TW200503474A (ja) |
WO (1) | WO2004105324A1 (ja) |
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KR200480760Y1 (ko) * | 2015-03-19 | 2016-07-05 | 주식회사 서울스탠다드 | 블루투스 모듈이 구비된 군용차량용 슬립링 |
CN104968030B (zh) | 2015-04-30 | 2016-12-28 | 广东欧珀移动通信有限公司 | 一种网络接入方法及移动通信终端 |
CN106101977A (zh) * | 2015-04-30 | 2016-11-09 | 马卡波罗股份有限公司 | 自动授权移动装置连接因特网的系统及方法 |
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- 2004-05-15 US US10/557,544 patent/US20080051031A1/en not_active Abandoned
- 2004-05-19 EP EP20040733913 patent/EP1631008A1/en not_active Withdrawn
- 2004-05-19 KR KR20057019226A patent/KR20060022644A/ko not_active Application Discontinuation
- 2004-05-19 WO PCT/JP2004/006727 patent/WO2004105324A1/ja active Application Filing
- 2004-05-19 JP JP2005506337A patent/JP4435089B2/ja not_active Expired - Fee Related
- 2004-05-19 CN CNA2004800210470A patent/CN1826764A/zh active Pending
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US10372956B2 (en) | 2009-10-14 | 2019-08-06 | Honeywell International Inc. | Automatic information distribution system between indicia reader system and mobile device |
Also Published As
Publication number | Publication date |
---|---|
US20080051031A1 (en) | 2008-02-28 |
JP4435089B2 (ja) | 2010-03-17 |
EP1631008A1 (en) | 2006-03-01 |
TW200503474A (en) | 2005-01-16 |
KR20060022644A (ko) | 2006-03-10 |
JPWO2004105324A1 (ja) | 2006-07-20 |
CN1826764A (zh) | 2006-08-30 |
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