WO2003036880A1 - Systeme intranet a grande vitesse - Google Patents

Systeme intranet a grande vitesse Download PDF

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Publication number
WO2003036880A1
WO2003036880A1 PCT/JP2002/010994 JP0210994W WO03036880A1 WO 2003036880 A1 WO2003036880 A1 WO 2003036880A1 JP 0210994 W JP0210994 W JP 0210994W WO 03036880 A1 WO03036880 A1 WO 03036880A1
Authority
WO
WIPO (PCT)
Prior art keywords
data
speed
intranet system
internet
optical fiber
Prior art date
Application number
PCT/JP2002/010994
Other languages
English (en)
Japanese (ja)
Inventor
Masaki Naritomi
Ryouta Yoshida
Ichirou Yamanouchi
Original Assignee
Asahi Glass Company, Limited
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 Asahi Glass Company, Limited filed Critical Asahi Glass Company, Limited
Priority to JP2003539245A priority Critical patent/JPWO2003036880A1/ja
Publication of WO2003036880A1 publication Critical patent/WO2003036880A1/fr

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Classifications

    • 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]
    • H04L12/46—Interconnection of networks

Definitions

  • the present invention relates to a high-speed intranet system, and more particularly to a communication system of a communication network used in a multi-unit building, such as an apartment building, an office building, a medical or educational facility, or a detached housing district such as a residential area.
  • a multi-unit building such as an apartment building, an office building, a medical or educational facility, or a detached housing district such as a residential area.
  • the silica-based optical fiber used mainly in the current telecommunications industry has a very small core diameter of less than 100 m, making it difficult to connect the fibers.
  • silica-based optical fibers are poor in flexibility and easy to break, It is difficult to lay or lay in places that need to be bent multiple times, such as behind a house wall.
  • an acryl-based plastic fiber having a greater flexibility and a larger core system than a silica-based optical fiber can be used.
  • its transmission distance is extremely short, about 5 Om, and it is difficult to lay it without using an amplifier in large buildings such as condominiums and office buildings.
  • each home (each room) would have to have its own ISP (Internet Service Provider) to achieve Internet connection. ), And the communication speed was limited according to the communication status of the ISP, which sometimes hindered the transmission and reception of large amounts of data such as moving images.
  • ISP Internet Service Provider
  • the present invention is intended to solve such a problem, and can easily solve the last one mile problem in optical communication, and can be used for moving images and the like without being limited to the communication state of an ISP or the like. It is an object of the present invention to provide a high-speed intranet system that enables high-speed communication of capacity data. Disclosure of the invention
  • the present invention relates to an intranet system constructed in an island constituted by a plurality of dwelling units, wherein the data transmitted to the Internet and / or the internet of data received from the internet and the dwelling units are connected to each of the dwelling units.
  • a server that controls relaying data overnight, a fluororesin optical fiber cable laid from the server to each of the dwelling units, and a predetermined information that is installed in each of the dwelling units, and that the fluororesin optical fiber cable is provided.
  • a high-speed intranet system including an information outlet functioning as a connection unit with a device.
  • the server includes a monitoring unit that monitors an Internet connection status in each of the dwelling units, and a storage unit that stores data received from the Internet. The data on the Internet that the information device tried to access was stored in the storage unit, and the information device that tried to access the same data as the data stored in the storage unit was read from the storage unit.
  • the data is transmitted to the information device.
  • the storage unit stores and holds data published on the Internet, data published on a television broadcast, or data published on a radio broadcast.
  • the dwelling unit is preferably a dwelling unit in an apartment house, a tenant in an office building or a commercial building, or a dwelling unit in a residential area.
  • the fluororesin optical fiber cable preferably has a single-core or multi-core structure.
  • the information outlet and the information device be communicable by being connected by wire or wirelessly.
  • communication between terminals in each dwelling unit be performed peer-to-peer in the same island.
  • the transmission distance of the fluororesin optical fiber cable is preferably 200 m or more.
  • the server further includes a user management unit that manages information of a resident in the island and a company that has opened a store in Z or net shopping in the island.
  • the server may be configured to be operated by the user management unit. It is preferable to further include a billing means for performing a billing process on the managed user.
  • the delay of data transmission is within 1 second.
  • a building or a group of houses is a virtual island.
  • FIG. 1 is a configuration diagram showing a basic configuration of a network according to the present invention.
  • one building is regarded as Island 1
  • Island 1 includes a plurality of terminals 2 installed in each dwelling unit.
  • Each terminal 2 is connected to a router 5 via a fluororesin optical fiber cable 3 and a switch 4, and the router 5 is connected to an external network (ISP 8, Internet 9, etc.).
  • the server 6 connected to the switch 4 is connected to a large-capacity storage device 7 that stores data such as moving images.
  • FIG. 1 is a configuration diagram showing an embodiment of a high-speed network system according to the present invention.
  • Figure 2 Configuration diagram showing details of Figure 1.
  • Figure 3 Flow chart showing the procedure for downloading a file.
  • FIG. 4 Block diagram showing server details.
  • Figure 5 Front view showing one embodiment of the terminal.
  • Figure 6 Front view showing one embodiment of the screen display.
  • Figure 7 Front view showing one embodiment of the screen display.
  • Head-end transceiver 50 Surveillance camera (Ethernet camera)
  • FIG. 2 is a configuration diagram showing an embodiment of the high-speed intranet system according to the present invention.
  • INDUSTRIAL APPLICABILITY The high-speed intranet system according to the present invention is applied to a building in which a plurality of rooms such as a condominium or the like collective house, an office building, a commercial building, a medical or educational facility, or the like, or a plurality of buildings.
  • Figure 2 shows the case where the high-speed intranet system is applied to a multi-family house. As shown in Fig.
  • the LAN in the apartment complex is of the Ethernet type, and each of the apartments in an apartment complex with N units is 10-1, 1, 0-2, ⁇ ', 10-N
  • the information outlet 12 installed inside the building and the switch 21 in the LAN room 20 of the apartment house are connected by an optical fiber cable 30, and it is a star-type LAN with the switch 21 as a hub. .
  • the switch 21 is connected to a server 22 for centrally managing the LAN via an optical fiber cable 40, and the server 22 is connected to an external storage device 23 via an optical fiber cable 41.
  • Switch 21 is a Giga Ethernet switch.
  • the external storage device 23 a magnetic disk device or a magneto-optical disk device having a storage capacity of at least 100 gigabytes, preferably 1 terabyte or more is used.
  • a monitoring camera (Ethernet camera) 50, a router 24, and a modem 25 are connected to the switch 21 via optical fiber cables 42, 43, and 44, respectively.
  • the router 24 is connected to a WAN or CATV such as the Internet, and the modem 25 is connected to a BSZCS antenna 60 via an optical fiber cable 45 and a headend transceiver 26.
  • a patch panel 15 functioning as a hub is installed in each dwelling unit, and a plurality of fiber optic cables 13, information outlets 12, and LAN in Yuichi phone 18 are branched from the patch panel 15. .
  • Information devices such as personal computers (hereinafter referred to as PCs) 16 and televisions 17 are connected to the information outlets 12 of each dwelling unit via optical fiber cables 14.
  • other terminals such as a home security device, and information appliances such as an air conditioner or a video deck can be connected to the information outlet 12.
  • a communication function such as Bluetooth may be provided to the information outlet 12 so that the communication between the information outlet and the information device is performed by wireless communication.
  • the use of fluororesin optical fiber cable as the communication cable enables high-speed LAN.
  • the optical fiber cable 30 is a plastic optical fiber cable made of an optical fluororesin material.
  • Optical fluororesin materials are compared with non-crystalline fluorine-containing polymers that do not have a C-H bond or have a hydrogen to fluorine substitution ratio of 50% or more in the resin materials, and fluorine-containing polymers. And a substance having a difference in refractive index of 0.001 or more, and the substance is distributed in the fluoropolymer with a concentration gradient along the radial direction.
  • This optical fluororesin material are disclosed in JP-A-8-5848.
  • the optical fiber cable 30 is a single-core cable, a two-core cable, or a multi-core cable, and has a core diameter of 100 zm, a cladding diameter of 250 xm, and a reinforcing layer diameter of 500 ⁇ .
  • the optical fiber cable 30 can be used in the near-infrared region (650 to 1300 nm), and the transmission loss at the wavelength of 650 to 850 nm is at least 100 dB km at least at one point.
  • the transmission distance of 1 gigabit Z second is 20 Om or more (about 200 to 500 m).
  • the minimum bending radius is 1 Omm temporarily and 25 mm when fixed.
  • the durable load is 140 kg / 10 cm (two cores).
  • the optical fiber cable laid as a LAN in a building preferably has a transmission distance of 1 Gbit / s of 10 Om or more and a minimum bending radius of 50 mm or less. This property is fully satisfied.
  • the Ethernet camera 50 is used as a surveillance camera for a parking lot, an elevator hall, and the like.
  • the optical fiber cable 42 used to connect the Ethernet camera 50 to the Giga Ethernet switch 21 is used.
  • the optical fiber cable preferably has the same characteristics as those of the optical fiber cable 30.
  • the optical fiber cables 40, 41, 44, 45, and the like in the LAN room 20 do not necessarily require the bending characteristics and the durability load characteristics as described above.
  • the wiring in each dwelling unit is not limited to the optical fiber cable 14, but may be a copper UTP (Untwisted Twisted Pair) cable or the like. This is because even a copper UTP cable can transmit data at about 1 Gbit / s if the transmission distance is short.
  • step S1 in FIG. 3 the server 22 does not suddenly try to retrieve this data from the Internet, but stores it in the external storage device 23.
  • step S2 in Fig. 3 the server 22 reads out the data if it is in the external storage device 23 and sends it to the PC 16 (step S3 in FIG. 3). It is transmitted and stored in the external storage device 23 (step S4 in FIG. 3).
  • the server 22 temporarily stores high-content content and large-volume content such as video from the external WAN via the router 24 and the switch 21 in the external storage device 23 (for access).
  • the data that has been attempted is stored preferentially), but when the same data is accessed again, it can be read from the external storage device 23, so there is no need to access a low-speed external network.
  • information such as images of a plurality of channels from a broadcasting satellite (BS) and a communication satellite (CS) is appropriately taken in via a BS / CS antenna 60, a head-end transceiver 26, a modem 25 and a switch 21, and is stored in an external storage device. It is good to temporarily store it in 23.
  • the server 22 not only functions as a web server, but also has functions as a mail server, a file server, and the like.
  • the residents of the apartment house create their own contents using the PC 16 or a digital still camera or a digital video camera connected to the PC 16, and the shared area of the external storage device 23 through the server 22. It can be stored in the personal area assigned to each dwelling unit.
  • the residents of the apartment house can use the PC 16 to specify which program is to be viewed from the programs stored in the external storage device 23, and then the specified program can be viewed on the PC 16.
  • the residents of the apartment house can use the PC 16 to specify which program is to be viewed from the programs stored in the external storage device 23, and then the specified program can be viewed on the PC 16.
  • the residents of the apartment house can use the PC 16 to specify which program is to be viewed from the programs stored in the external storage device 23, and then the specified program can be viewed on the PC 16.
  • the residents of the apartment house can use the PC 16 to specify which program is to be viewed from the programs stored in the external storage device 23, and then the specified program can be viewed on the PC 16.
  • the movie can be enjoyed without being affected by the communication speed or the like.
  • a star-type LAN is used.
  • a LAN-type connection may be used, such as a bus-type or ring-type, and the LAN-type is also limited to Ethernet. Not done.
  • FIG. 4 is a block diagram showing details of the server.
  • the server 22 shown in the figure is constituted by information devices such as a workstation and a personal computer, and has an external storage device 23 for storing various large-capacity contents.
  • the server 22 includes a control unit 22 a, a user management unit 22 b, a charging unit 22 c, an HP providing unit 22 d, and an access status monitoring unit 22 e. And software such as various control programs.
  • the control means 22a performs various controls relating to the Internet connection, such as controlling data relay to the Internet and / or data received from the Internet between the Internet and each dwelling unit.
  • the user management means 22b registers and manages information on users on the island and information on companies exhibiting on a dedicated homepage on the island described later.
  • the billing means 22c manages billing for users registered in the island and billing for companies that post advertisements or link on a dedicated homepage in the island described later.
  • HP provision means 2 2d manages and maintains the dedicated website in the island.
  • the access status monitoring means 22 e monitors information on data on the Internet accessed by users in the island, and fetches frequently accessed data into the external storage device 23.
  • Figure 5 shows the specific configuration of a terminal that allows a user to implement a video conference in an island.
  • the main unit 16a composed of a computer, etc., and an LCD (Liquid Crystal Display) and a PDP (Plasma Display Panel) for displaying various menus and images of the other party Display device 16 b, speed 16 c for reproducing sound, keyboard 16 e and mouse 16 f as input means, and camera 16 for capturing the image of the terminal user d and.
  • LCD Liquid Crystal Display
  • PDP Plasma Display Panel
  • FIG. 6 shows an embodiment of a screen display displayed during two-way communication such as a TV conference.
  • a window 60 is displayed on the display device of the terminal in each dwelling unit.
  • a button 61 for displaying a schedule a button 62 for conducting a chat between users in the island
  • a button 63 for displaying a bulletin board for displaying a bulletin board
  • various applications ⁇ Buttons 64 for launching the program are provided side by side
  • display units 66 to 68 for displaying the face of the user during a call are provided.
  • a new window 69 is displayed on the display device 16b, and the text can be edited.
  • This window 69 is also displayed on the terminals of the users A to C at the same time, so that the same document can be edited by multiple persons.
  • the image of the user of each terminal is captured by the camera 16d, and the sound is collected by a microphone (not shown).
  • the imaging data and audio data are digitally converted by a conversion device or the like in the main unit 16a, and then transmitted to another user's terminal.
  • the image data is displayed on any of the display units 66 to 68, and the audio data is output from the speaker 16c, so that each user can see the other person's face and have a conversation. it can.
  • communication between terminals in each dwelling unit may be performed peer-to-peer.
  • FIG. 7 shows an embodiment of the display of the dedicated homepage in the island.
  • the dedicated website 70 within the island has buttons 71 for displaying a bulletin board, buttons 72 for displaying windows used for online shopping, and various notifications Z application.
  • a button 73 for displaying a window for performing the advertisement and a banner advertisement 74 are displayed.
  • the terminal user Clicking button 7 1 with mouse 16 f will bring up window 7 110, listing information posted by users on the island.
  • the window 710 is composed of a column 711 for the date and time of publication, a column 712 for the title, and a column 713 for the publisher. Clicking on the desired title allows the details of the posted article (not shown). Can be displayed.
  • buttons 7 2 1 to 7 2 3 are displayed on the window 7 20. If the button 7 2 1 is clicked, a page (not shown) for pre-registered net shopping of the store A is displayed. Is displayed, and shopping at Store A becomes possible. The same applies to the pots 7 2 2 and 7 2 3.
  • Stores A to C pay the homepage usage fee to the administrator of server 22 instead of opening a dedicated homepage 70 in the island.
  • An account is opened for each company by the user management means 22b in FIG. 4, and the usage fee of the company registered in each account is managed by the charging means 22c.
  • the number of times the button 721 is clicked is counted by the charging means 22c, and the usage fee of store A is determined according to the number of clicks.
  • the monthly usage fee may be determined accordingly.
  • the present invention establishes a dedicated homepage in an island where high-speed communication is possible, and opens this homepage to various companies in exchange for the collection of usage fees.
  • video-on-demand 'service can be easily realized by storing video data such as a movie and a television broadcast in the external storage device 23 and distributing the video data according to a request from a user.
  • the usage fee collection process is performed according to the charging method 22 shown in Figure 4. This is done.
  • the billing unit 22c performs various settlement processes by communicating with a server installed in a financial institution or the like.
  • the high-speed intranet system while using a fluororesin optical fiber cable as a communication cable to increase the speed of the LAN, the large capacity of content, video, etc. with a high utilization rate is achieved.
  • Content is stored in a large-capacity storage device via a server from an external communication line such as a WAN, so that regardless of the communication speed of the external communication line, it can be stored in a terminal in a building such as a condominium. You can enjoy a large amount of content such as video.
  • the fluororesin optical fiber has a core cross-sectional area of 80 to 120 m, which is almost twice as large as that of a silica-based optical fiber (about 60 m), making it easy to connect the fibers.
  • the transmission distance is about 200 m, almost four times that of acrylic plastic fiber (50 m), so that cables can be laid without using an amplifier in the middle of an apartment house or office building. .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Small-Scale Networks (AREA)

Abstract

L'invention concerne un système intranet à grande vitesse, qui comprend: un serveur (22) contrôlant le transfert des données destinées à être transmises et/ou reçues par Internet, entre le Net et différents utilisateurs à domicile; des câbles à fibres optiques en résine fluorée (13, 14, 30, 40) assurant la liaison entre ce serveur (22) et les utilisateurs à domicile (10-1, , 10-N); et un réceptacle d'information (12) qui tient lieu de point de connexion entre les câbles susmentionnés et des dispositifs d'information préétablis (16, 17).
PCT/JP2002/010994 2001-10-26 2002-10-23 Systeme intranet a grande vitesse WO2003036880A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003539245A JPWO2003036880A1 (ja) 2001-10-26 2002-10-23 高速イントラネットシステム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001328598 2001-10-26
JP2001-328598 2001-10-26

Publications (1)

Publication Number Publication Date
WO2003036880A1 true WO2003036880A1 (fr) 2003-05-01

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Application Number Title Priority Date Filing Date
PCT/JP2002/010994 WO2003036880A1 (fr) 2001-10-26 2002-10-23 Systeme intranet a grande vitesse

Country Status (3)

Country Link
JP (1) JPWO2003036880A1 (fr)
TW (1) TWI221364B (fr)
WO (1) WO2003036880A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006033044A (ja) * 2004-07-12 2006-02-02 Mitsuya Sangyo Kk 放送と通信の融合配信システム
JP2010177818A (ja) * 2009-01-27 2010-08-12 Panasonic Electric Works Co Ltd 集合住宅用インターホンシステム

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0537537A (ja) * 1991-08-02 1993-02-12 Hitachi Ltd ネツトワークシステム
WO1995028660A1 (fr) * 1994-04-18 1995-10-26 Yasuhiro Koike Resine a usage optique du type a repartition d'indice de refraction et son procede de production de cette resine
JP2000050474A (ja) * 1998-07-31 2000-02-18 Soriton Syst:Kk 情報コンセントおよび配線システム
JP2000057041A (ja) * 1998-08-11 2000-02-25 Hitachi Ltd プロキシサーバ及びｌａｎシステム
JP2000196601A (ja) * 2000-03-06 2000-07-14 ▼高▲木 祥澄 同一区域内ｌａｎシステム
JP2001156804A (ja) * 1999-11-30 2001-06-08 Matsushita Electric Works Ltd 無線情報コンセント
JP2001186141A (ja) * 1999-12-27 2001-07-06 Kajima Corp 集合住宅用ネットワークシステム
JP2001186190A (ja) * 1999-12-22 2001-07-06 Matsushita Electric Works Ltd 地域限定サービス網

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0537537A (ja) * 1991-08-02 1993-02-12 Hitachi Ltd ネツトワークシステム
WO1995028660A1 (fr) * 1994-04-18 1995-10-26 Yasuhiro Koike Resine a usage optique du type a repartition d'indice de refraction et son procede de production de cette resine
JP2000050474A (ja) * 1998-07-31 2000-02-18 Soriton Syst:Kk 情報コンセントおよび配線システム
JP2000057041A (ja) * 1998-08-11 2000-02-25 Hitachi Ltd プロキシサーバ及びｌａｎシステム
JP2001156804A (ja) * 1999-11-30 2001-06-08 Matsushita Electric Works Ltd 無線情報コンセント
JP2001186190A (ja) * 1999-12-22 2001-07-06 Matsushita Electric Works Ltd 地域限定サービス網
JP2001186141A (ja) * 1999-12-27 2001-07-06 Kajima Corp 集合住宅用ネットワークシステム
JP2000196601A (ja) * 2000-03-06 2000-07-14 ▼高▲木 祥澄 同一区域内ｌａｎシステム

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006033044A (ja) * 2004-07-12 2006-02-02 Mitsuya Sangyo Kk 放送と通信の融合配信システム
JP4691330B2 (ja) * 2004-07-12 2011-06-01 三ツ矢産業株式会社 放送と通信の融合配信システム
JP2010177818A (ja) * 2009-01-27 2010-08-12 Panasonic Electric Works Co Ltd 集合住宅用インターホンシステム

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JPWO2003036880A1 (ja) 2005-02-17
TWI221364B (en) 2004-09-21

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