CN1581719B - High-speed power line communication local side device - Google Patents
High-speed power line communication local side device Download PDFInfo
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- CN1581719B CN1581719B CN 200410037934 CN200410037934A CN1581719B CN 1581719 B CN1581719 B CN 1581719B CN 200410037934 CN200410037934 CN 200410037934 CN 200410037934 A CN200410037934 A CN 200410037934A CN 1581719 B CN1581719 B CN 1581719B
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- power line
- chip
- local side
- data
- side apparatus
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Abstract
Combined using two chips: integrated power line media access control/physical transceiver in device at bureau side, and power line media access address controller realizes access control for users' validation from broadband access in process of data through power line transferred from bureau side to terminal device. Configuring MAC address of new validated user onto power line media access address controller (chip 2) at remote side, service provider controls only legal registered user is permitted to access Internet.
Description
Technical field
The invention belongs to the communications field, is a kind of high speed power line communication local side apparatus.
Background technology
Network technology is widely used, and the data access that uses mainly contains two kinds at present: telephone wire inserts and data wire inserts.It promptly is to utilize the telephone wire of telecommunications company that data are linked into user terminal from local side apparatus that telephone wire inserts mode, by modem data is separated use again.This also is the network access that general household person user uses at present, comprise dial up on the telephone, modes such as ISDN, ADSL.The data wire access way promptly is by the data wire that generally is commonly referred to as " netting twine " data to be linked into user terminal.This is the data access form in the used local area network (LAN) broadband of general unit, needs the terminal computer of access to LAN to be connected with local side apparatus by data wire, inserts data.
More than two kinds of access waies the place of its inconvenience is all arranged, telephone wire inserts the telephone wire that needs to use telecommunications company, and the telephone line interface fixed-site of general dwelling house, the position of online is very limited; Data wire inserts when using and need connect up, and does not have the position of data wire just can't surf the Net.
The power line access subsystem that attracts tremendous attention at present can be linked into terminal equipment with data from local side apparatus by power line.Its subsystem is divided into local side apparatus, user side access device two big classes.As long as subscriber computer can be set up the broadband LAN of oneself or terminal computer is entered the Internet at a high speed by normal network interface card setting by power line, uses very convenient.Because being the interface position of each power supply, power line can insert, though for using the user that convenience is provided, be an individual very big problem for the control of user's qualification.The control method of using is between local side apparatus and subscriber terminal equipment password to be set at present, validated user can obtain this password, this control mode operates very difficult in extensive the use, in case non-validated user is known password from certain channel, just can use the terminal access device access the Internet of providing for oneself.So, have only from local side apparatus user's qualification is differentiated control, can make the power line access subsystem obtain actual application widely.
Based on media interviews control (MAC) address user access is controlled at application to some extent in the high-end LAN switch, but in high speed power line communication (PLC) equipment, does not also use.
Summary of the invention
The purpose of this invention is to provide a kind of in high speed power line communication based on MAC Address, realize the high speed power line communication local side apparatus of access control that consumer wideband is inserted.
The technical solution that realizes the object of the invention is a kind of high speed power line communication local side apparatus, by the use of uniting of the integrated power line media interviews control/physics transceiver in the local side apparatus and two chips of power line medium reference address controller, realize data being transferred to the access control that the process of terminal equipment consumer wideband is inserted qualification from local side apparatus by power line.
Data enter high speed PLC local side apparatus by coupling line or power line, through power line conversion and AFE (analog front end), again by the analog-converted integrated circuit, when entering power line medium access control/physics transceiver (chip 1), chip 1 sends the user's who receives MAC Address to power line medium reference address controller (chip 2), chip 2 confirms whether this MAC Address is legal, and gives chip 1 with feedback information.If this MAC Address is legal, chip 1 just forwards the data to the data outlet.Control the qualification that the user inserts thus.
Operator is configured to the MAC Address of the validated user of newly opening in the power line medium reference address controller (chip 2) at far-end, just can control which user effectively can access the Internet, has only those users through legal registration just can access the Internet.
Compared with prior art, the present invention has following remarkable superiority:
1. owing to can carry out transfer of data by power line, the position that online receives data just no longer is restricted, as long as there is power interface just can receive data, has simplified the access way of data greatly.
2. the restriction to MAC Address on original LAN switch substantially all is that the information that the terminal use sends is controlled, and scheme of the present invention has also comprised the control of the ustomer premises access equipment that the PLC local side apparatus is had under its command based on the access control of MAC Address.Can differentiate control to the legitimacy of user capture Internet from far-end.
3. improved the long-range manageability of high speed PLC equipment greatly, maintainability helps to accelerate the promotion and application process of high speed PLC.
Description of drawings
Fig. 1 is based on the high speed PLC local side apparatus circuit block diagram of MAC access control;
Fig. 2 is based on the high speed PLC local side apparatus circuit theory diagrams of MAC access control.
Among the figure:
PCI: peripheral hardware is interactive to be connected;
USB: USB;
MAC: media interviews control;
GPSI: USB (universal serial bus);
E
2PROM: electricity can be inserted read-only memory;
LED: diode;
IC: integrated circuit;
MOIO: magneto-optic I/O;
MII: Media Independent Interface;
MAC/PHY: integrated power line media interviews control/physics;
OSC: crystal oscillator;
GPSI_RXD: USB (universal serial bus) pin, USB (universal serial bus) Data Receiving;
GPSI_RXCLK: USB (universal serial bus) pin, USB (universal serial bus) receive clock;
GPSI_RXEN: the USB (universal serial bus) pin, USB (universal serial bus) receives and enables;
GPSI_COL: USB (universal serial bus) pin, USB (universal serial bus) collision detection;
GPSI_TXBSY: the USB (universal serial bus) pin, USB (universal serial bus) sends busy;
GPSI_TXD: the USB (universal serial bus) pin, the USB (universal serial bus) data send;
GPSI_TXCLK: USB (universal serial bus) pin, USB (universal serial bus) tranmitting data register;
GPSI_TXEN: the USB (universal serial bus) pin, USB (universal serial bus) sends and enables;
Chip 1: model Int5131, integrated power line media interviews control/physics transceiver;
Chip 2: model J-PM14, power line medium reference address controller.
Embodiment
Below in conjunction with Figure of description explanation embodiments of the invention.Chip 1 is the acp chip of high speed PLC local side apparatus.It can receive the search frame that terminal use's ethernet frame of sending from high speed PLC user side interface and user side modulation self are sent by coupled signal, this chip can extract end user's the MAC Address and the managerial MAC Address of user side modulation self from these frames, and these MAC Address are sent to chip 2.The legal mac address table that in store keeper sets in the chip 2.The MAC Address of giving chip 2 as fruit chip 1 appears in the legal mac address table, then chip 2 sends reception/forwarding permission response to chip 1, chip 1 is transmitted the ethernet frame that the terminal use sends, and perhaps the search frame that the user side modulator-demodulator is sent is responded.The MAC Address of giving chip 2 as fruit chip 1 appears in the legal mac address table, then chip 2 sends the response of reception/forwarding refusal to chip 1, chip 1 will be refused the ethernet frame that the terminal use sends is transmitted, and send alarm, perhaps the search frame that the user side modulator-demodulator is sent is refused, and allows the user side modulator-demodulator can not access network.
Local side apparatus of the present invention can be of wide application, the execution mode and the field that are not limited in this specification to be mentioned.For the professional in present technique field, any improvement that the embodiment of the invention is made or change can not exceed the protection range of spirit of the present invention and claims.
Claims (2)
1. a high speed power line communication local side apparatus is characterized in that: comprise power line medium access control/physics transceiver and two chips of power line medium reference address controller in the local side apparatus; Data enter high speed power line communication local side apparatus by power line, when to enter into power line medium access control/physics transceiver be chip 1, chip 1 is the MAC Address that chip 2 sends the user who receives to power line medium reference address controller, chip 2 confirms whether this MAC Address is legal, and give chip 1 with feedback information, if this MAC Address is legal, chip 1 just forwards the data to the data outlet.
2. a kind of high speed power line communication local side apparatus as claimed in claim 1 is characterized in that: data can enter high speed power line communication local side apparatus by coupling line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410037934 CN1581719B (en) | 2004-05-14 | 2004-05-14 | High-speed power line communication local side device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410037934 CN1581719B (en) | 2004-05-14 | 2004-05-14 | High-speed power line communication local side device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1581719A CN1581719A (en) | 2005-02-16 |
| CN1581719B true CN1581719B (en) | 2010-04-28 |
Family
ID=34582071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410037934 Expired - Fee Related CN1581719B (en) | 2004-05-14 | 2004-05-14 | High-speed power line communication local side device |
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| Country | Link |
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| CN (1) | CN1581719B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5446239B2 (en) * | 2008-12-16 | 2014-03-19 | ソニー株式会社 | Power supply system |
| CN103997411A (en) * | 2013-02-17 | 2014-08-20 | 中国移动通信集团广东有限公司 | Power line system and information interaction method thereof, and power line WiFi terminal and local side |
| CN103078669A (en) * | 2013-02-25 | 2013-05-01 | 河北人天通信技术有限公司 | Signal distribution system based on power carrier waves |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1353507A (en) * | 2000-11-08 | 2002-06-12 | 廖壬秋 | Core IC for implementing carrier communication over low-voltage power transmission line by software and radio technique |
| WO2002087104A2 (en) * | 2001-04-19 | 2002-10-31 | Diseño De Sistemas En Silicio, S.A. | Method for multiple access and transmission in a point-to-multipoint system over an electrical network |
-
2004
- 2004-05-14 CN CN 200410037934 patent/CN1581719B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1353507A (en) * | 2000-11-08 | 2002-06-12 | 廖壬秋 | Core IC for implementing carrier communication over low-voltage power transmission line by software and radio technique |
| WO2002087104A2 (en) * | 2001-04-19 | 2002-10-31 | Diseño De Sistemas En Silicio, S.A. | Method for multiple access and transmission in a point-to-multipoint system over an electrical network |
Non-Patent Citations (2)
| Title |
|---|
| 彭为国等.以INT51X1为核心的低压电力网载波调制解调器及其实现技术.继电器32 9.2004,32(9),37-38. |
| 彭为国等.以INT51X1为核心的低压电力网载波调制解调器及其实现技术.继电器32 9.2004,32(9),37-38. * |
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| Publication number | Publication date |
|---|---|
| CN1581719A (en) | 2005-02-16 |
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Owner name: BEIJING ZHI-JIE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIEZHI INFORMATION EQUIPMENT CO., LTD., BEIJING Effective date: 20070615 |
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Effective date of registration: 20070615 Address after: 22C China first mall A 6 Beijing City No. 100026 Chaowai Street, Chaoyang District Xiaozhuang Road Applicant after: Beijing Justel Technology Co., Ltd. Address before: 100089 Beijing city Haidian District West Sanhuan Road No. 9 building B-253 Xintai Applicant before: Jiezhi Information Equipment Co., Ltd., Beijing |
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