CN102546316B - Head-end equipment of Ethernet over coax - Google Patents
Head-end equipment of Ethernet over coax Download PDFInfo
- Publication number
- CN102546316B CN102546316B CN201010597140.3A CN201010597140A CN102546316B CN 102546316 B CN102546316 B CN 102546316B CN 201010597140 A CN201010597140 A CN 201010597140A CN 102546316 B CN102546316 B CN 102546316B
- Authority
- CN
- China
- Prior art keywords
- unit
- coaxial cable
- ethernet
- headend
- master chip
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 210000004027 cell Anatomy 0.000 claims description 12
- 210000000352 storage cell Anatomy 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Abstract
The invention relates to the head-end equipment of the Ethernet over coax. The equipment comprises an Ethernet over coax module and an Ethernet interface unit, which are connected with each other, wherein the Ethernet over coax module comprises a radio frequency input end and a radio frequency output end. The head-end equipment of the Ethernet over coax comprises the Ethernet over coax module and the Ethernet interface unit, which are connected with each other, and the Ethernet over coax module comprises the radio frequency input end and the radio frequency output end, so that the head-end equipment of the Ethernet over coax has a simple structure, and is low in cost and high in extensibility; and a network management unit can be conveniently added to realize a network management function.
Description
Technical field
The present invention relates to network equipment field, particularly network head end apparatus field, specifically refers to a kind of headend of coaxial cable Ethernet.
Background technology
The TV signal pattern of China just progressively shifts to digital signal from analog signal, and cable TV network is from monotropic transformation to two-way, thereby realizes the transformation from the simple function of network to triple play, the integration of three networks.The demand in market and the development of New Television Technology need cable TV network to realize the Double-Direction User access of the whole network.And Double-Direction User access technology in the past, as CMTS+Cable modem and FTTB+LAN technology can not adapt to the needs of unexpectedly striving of Double-Direction User access market and the two-way integrated service development of cable TV network.Therefore, Bidirectional Access Technologies based on coaxial cable---EOC (Ethernet OverCoax, coaxial cable loads Ethernet) technology be tending towards ripe, for the Double-Direction User access of cable TV network the whole network and the benign development of two-way integrated service have brought new opportunity.
EOC technology combines IP data and cable TV signal exactly, with same cable access, sends into user.Neither affect the transmission of cable TV signal, have again the two-way broad band Integrated service access exclusively enjoying, there is good adaptability and networking access scheme flexibly.Simultaneously, it is without original cable TV network is carried out to bidirectional construction transformation, or carry out the engineering that large-scale category-5 cable is applied to family, overcome and in cable TV network bilateral network transformation process, registered one's residence that construction is more difficult, the whole network covers the problems that cost is high and the improvement project cycle is long.Although the cutting point of various EOC technology researchs and technical method are slightly different, all can be applicable to cable TV network field, by coaxial cable transmission of data signals.
At present the shortcoming of the comparatively common headend that is applied to EOC technology is, its function relies on master chip to realize completely, therefore cannot meet the application of the more complicated such as network management, and autgmentability is not strong.Also have part headend to realize Network Management Function by adding the method for special chip, or promote the scalability of headend, but the common structure of these headends is comparatively complicated, and cost is higher.Thus applying of EOC technology brought to adverse effect.
Summary of the invention
The object of the invention is to have overcome above-mentioned shortcoming of the prior art, provide a kind of simple in structure, with low cost, autgmentability is strong, and can realize the headend of the coaxial cable Ethernet of Network Management Function.
In order to realize above-mentioned object, the headend of coaxial cable Ethernet of the present invention has following formation:
It comprises interconnective coaxial cable ethernet module and Ethernet interface unit, and described coaxial cable ethernet module comprises rf inputs and radio-frequency (RF) output end.
In the headend of this coaxial cable Ethernet, described coaxial cable ethernet module comprises master chip unit, rf filtering unit, signal coupling unit and signal transmitting and receiving unit, described rf filtering unit sequentially connects described Ethernet interface unit by described signal coupling unit, signal transmitting and receiving unit, master chip unit, and described rf filtering unit comprises described rf inputs and radio-frequency (RF) output end.
In the headend of this coaxial cable Ethernet, described coaxial cable ethernet module also comprises master chip dynamic storage cell and master chip flash cell, and described master chip dynamic storage cell is all connected described master chip unit with master chip flash cell.
In the headend of this coaxial cable Ethernet, described coaxial cable ethernet module also comprises transmitting-receiving gain control unit, between the signal transmitting and receiving unit described in described transmitting-receiving gain control unit is connected in and described master chip unit.
In the headend of this coaxial cable Ethernet, described master chip unit is the network adapter chip that is built-in with protocol layer unit and physical layer element.
In the headend of this coaxial cable Ethernet, described Ethernet interface unit comprises Ethernet conversion chip and Ethernet interface, and described Ethernet interface all connects the master chip unit of described coaxial cable ethernet module by described Ethernet conversion chip.
In the headend of this coaxial cable Ethernet, described headend also comprises network management unit, and described network management unit connects described Ethernet interface unit.
In the headend of this coaxial cable Ethernet, described network management unit comprises network service microprocessor and control and management subelement, and described network service microprocessor connects respectively described control and management subelement and Ethernet interface unit.
In the headend of this coaxial cable Ethernet, described headend also comprises network service microprocessor dynamic storage cell and network service microprocessor flash cell, and described network service microprocessor dynamic storage cell is all connected described network service microprocessor with network service microprocessor flash cell.
In the headend of this coaxial cable Ethernet, described headend comprises two coaxial cable ethernet modules, and two described coaxial cable ethernet modules all connect described Ethernet interface unit and network management unit.
Adopted the headend of the coaxial cable Ethernet of this invention, because it comprises interconnective coaxial cable ethernet module and Ethernet interface unit, described coaxial cable ethernet module comprises rf inputs and radio-frequency (RF) output end, thereby make headend simple in structure of this coaxial cable Ethernet, cost is relatively cheap, and have good autgmentability, complementary network administrative unit easily, to realize Network Management Function.
Accompanying drawing explanation
Fig. 1 is the structural representation of the headend of coaxial cable Ethernet of the present invention.
Fig. 2 has the structural representation of the preferred implementation of two coaxial cable ethernet modules in the headend of coaxial cable Ethernet of the present invention.
Embodiment
In order more clearly to understand technology contents of the present invention, especially exemplified by following examples, describe in detail.
Referring to shown in Fig. 1, is the structural representation of a kind of execution mode of the headend of coaxial cable Ethernet of the present invention.
In this embodiment, the headend of described coaxial cable Ethernet, comprises interconnective coaxial cable ethernet module and Ethernet interface unit, and described coaxial cable ethernet module comprises rf inputs and radio-frequency (RF) output end.Wherein, described coaxial cable ethernet module comprises master chip unit, rf filtering unit, signal coupling unit and signal transmitting and receiving unit, described rf filtering unit sequentially connects described Ethernet interface unit by described signal coupling unit, signal transmitting and receiving unit, master chip unit, and described rf filtering unit comprises described rf inputs and radio-frequency (RF) output end.Described coaxial cable ethernet module also comprises transmitting-receiving gain control unit, master chip dynamic storage cell and master chip flash cell, between signal transmitting and receiving unit described in described transmitting-receiving gain control unit is connected in and described master chip unit, described master chip dynamic storage cell is all connected described master chip unit with master chip flash cell.Described master chip unit is the network adapter chip that is built-in with protocol layer unit and physical layer element.Described Ethernet interface unit comprises Ethernet conversion chip and Ethernet interface, and described Ethernet interface all connects the master chip unit of described coaxial cable ethernet module by described Ethernet conversion chip.
Of the present invention a kind of preferred embodiment in, described headend also comprises network management unit, described network management unit connects described Ethernet interface unit.This network management unit comprises network service microprocessor and control and management subelement, and described network service microprocessor connects respectively described control and management subelement and Ethernet interface unit.Described network management unit also comprises network service microprocessor dynamic storage cell and network service microprocessor flash cell, and described network service microprocessor dynamic storage cell is all connected described network service microprocessor with network service microprocessor flash cell.
In a kind of preferred execution mode of the present invention, as shown in Figure 2, described headend comprises two coaxial cable ethernet modules, and two described coaxial cable ethernet modules all connect described Ethernet interface unit and network management unit.
In an application of the invention, this coaxial cable Ethernet head end equipment data transmission method comprises the following steps:
(1) rf inputs of the rf filtering unit of described coaxial cable ethernet module receives analog signal;
(2) described rf filtering unit is sent to described master chip unit by described signal coupling unit and signal transmitting and receiving unit successively by described analog signal;
(3) described master chip unit is converted to digital signal by described analog signal;
(4) described master chip unit is sent to Ethernet interface unit by described digital signal.
Adopted the headend of the coaxial cable Ethernet of this invention, because it comprises interconnective coaxial cable ethernet module and Ethernet interface unit, described coaxial cable ethernet module comprises rf inputs and radio-frequency (RF) output end, thereby make headend simple in structure of this coaxial cable Ethernet, cost is relatively cheap, and have good autgmentability, complementary network administrative unit easily, to realize Network Management Function.
In this specification, the present invention is described with reference to its specific embodiment.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (7)
1. a headend for coaxial cable Ethernet, is characterized in that, described headend comprises interconnective coaxial cable ethernet module and Ethernet interface unit, and described coaxial cable ethernet module comprises rf inputs and radio-frequency (RF) output end; Described coaxial cable ethernet module comprises master chip unit, rf filtering unit, signal coupling unit and signal transmitting and receiving unit, described rf filtering unit sequentially connects described Ethernet interface unit by described signal coupling unit, signal transmitting and receiving unit, master chip unit, and described rf filtering unit comprises described rf inputs and radio-frequency (RF) output end; Described coaxial cable ethernet module also comprises transmitting-receiving gain control unit, between the signal transmitting and receiving unit described in described transmitting-receiving gain control unit is connected in and described master chip unit; Described headend also comprises network management unit, and described network management unit connects described Ethernet interface unit.
2. the headend of coaxial cable Ethernet according to claim 1, it is characterized in that, described coaxial cable ethernet module also comprises master chip dynamic storage cell and master chip flash cell, and described master chip dynamic storage cell is all connected described master chip unit with master chip flash cell.
3. the headend of coaxial cable Ethernet according to claim 1, is characterized in that, described master chip unit is the network adapter chip that is built-in with protocol layer unit and physical layer element.
4. the headend of coaxial cable Ethernet according to claim 1, it is characterized in that, described Ethernet interface unit comprises Ethernet conversion chip and Ethernet interface, and described Ethernet interface all connects the master chip unit of described coaxial cable ethernet module by described Ethernet conversion chip.
5. the headend of coaxial cable Ethernet according to claim 1, it is characterized in that, described network management unit comprises network service microprocessor and control and management subelement, and described network service microprocessor connects respectively described control and management subelement and Ethernet interface unit.
6. the headend of coaxial cable Ethernet according to claim 5, it is characterized in that, described headend also comprises network service microprocessor dynamic storage cell and network service microprocessor flash cell, and described network service microprocessor dynamic storage cell is all connected described network service microprocessor with network service microprocessor flash cell.
7. the headend of coaxial cable Ethernet according to claim 1, it is characterized in that, described headend comprises two coaxial cable ethernet modules, and two described coaxial cable ethernet modules all connect described Ethernet interface unit and network management unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010597140.3A CN102546316B (en) | 2010-12-20 | 2010-12-20 | Head-end equipment of Ethernet over coax |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010597140.3A CN102546316B (en) | 2010-12-20 | 2010-12-20 | Head-end equipment of Ethernet over coax |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102546316A CN102546316A (en) | 2012-07-04 |
| CN102546316B true CN102546316B (en) | 2014-11-19 |
Family
ID=46352318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010597140.3A Expired - Fee Related CN102546316B (en) | 2010-12-20 | 2010-12-20 | Head-end equipment of Ethernet over coax |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102546316B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200983645Y (en) * | 2006-12-06 | 2007-11-28 | 赵志仁 | A broadband access system device of CATV coaxial cable network |
| CN101132454A (en) * | 2007-09-26 | 2008-02-27 | 杭州华三通信技术有限公司 | VoIP implementing method and coaxial network terminal and coaxial line terminal |
| CN201210727Y (en) * | 2008-04-25 | 2009-03-18 | 上海润欣科技有限公司 | CATV synthetic access system |
| CN101568005A (en) * | 2008-04-25 | 2009-10-28 | 上海润欣科技有限公司 | CATV synthetic access system based on WiFi technology |
| CN101568004A (en) * | 2008-04-25 | 2009-10-28 | 上海润欣科技有限公司 | CATV integrated access system |
| CN101882960A (en) * | 2009-05-05 | 2010-11-10 | 上海傲蓝通信技术有限公司 | Point-to-multi-point two-way optical fiber coaxial mixed full-service broadband access system |
-
2010
- 2010-12-20 CN CN201010597140.3A patent/CN102546316B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200983645Y (en) * | 2006-12-06 | 2007-11-28 | 赵志仁 | A broadband access system device of CATV coaxial cable network |
| CN101132454A (en) * | 2007-09-26 | 2008-02-27 | 杭州华三通信技术有限公司 | VoIP implementing method and coaxial network terminal and coaxial line terminal |
| CN201210727Y (en) * | 2008-04-25 | 2009-03-18 | 上海润欣科技有限公司 | CATV synthetic access system |
| CN101568005A (en) * | 2008-04-25 | 2009-10-28 | 上海润欣科技有限公司 | CATV synthetic access system based on WiFi technology |
| CN101568004A (en) * | 2008-04-25 | 2009-10-28 | 上海润欣科技有限公司 | CATV integrated access system |
| CN101882960A (en) * | 2009-05-05 | 2010-11-10 | 上海傲蓝通信技术有限公司 | Point-to-multi-point two-way optical fiber coaxial mixed full-service broadband access system |
Non-Patent Citations (2)
| Title |
|---|
| 利用EPON技术实现HFC双向多功能业务的接入;张桂卿等;《有线电视技术》;20070320(第03期);全文 * |
| 张桂卿等.利用EPON技术实现HFC双向多功能业务的接入.《有线电视技术》.2007,(第03期), * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102546316A (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9628752B2 (en) | Transmitting signals using directional diversity over a network | |
| CN102546316B (en) | Head-end equipment of Ethernet over coax | |
| CN202004923U (en) | Three-network integrated multi-service optoelectronic integration network element | |
| CN201789516U (en) | Digital family interaction system based on wireless family gateway | |
| CN203722709U (en) | High-definition network video device based on coaxial-cable transmission | |
| US20100043032A1 (en) | Electronic Device for Supporting Multimedia Over Coax Alliance Standard | |
| CN102694783A (en) | Tri-network integrated multi-service photoelectric integrated network element | |
| CN210274118U (en) | Fuse intelligent home gateway of OTT | |
| US9634874B2 (en) | Bonded OFDM communication system | |
| CN201629754U (en) | Network data receiving circuit and set top box with same | |
| CN203457168U (en) | Three-in-one intelligent integrated optical node equipment | |
| CN103997354A (en) | frequency mixing system, frequency mixing device and frequency mixing method | |
| CN203457169U (en) | Field card-inserting type three-in-one intelligent integrated optical node equipment | |
| CN202738038U (en) | Digital television all-in-one machine | |
| CN201919119U (en) | Video transmission device with wireless router function | |
| CN102546314A (en) | Data transmission method for Ethernet head end device of coaxial cable | |
| CN102571508A (en) | Ethernet interconnection system based on coaxial cable technology and data transmission control method | |
| CN102546315B (en) | Terminal equipment of Ethernet over coax | |
| US10277469B2 (en) | Method and system for a wide-bandwidth, on-premises network | |
| CN202818523U (en) | Digital set-top box provided with broadband coaxial multi-service access module | |
| CN203301509U (en) | Ethernet over coaxial cable-used three-in-one intelligent integrated optical node device | |
| KR101430145B1 (en) | Wide band ultra high speed uNB homenetwork apparatus using coaxial cable and system thereof | |
| CN202455483U (en) | EoC (Ethernet over Coax) and digital television receiving terminal | |
| CN203193639U (en) | Three-network-convergence multi-service photoelectric integrated network element | |
| CN203872263U (en) | Integrated electro-optical transmission network element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170602 Address after: 225500 Jiangsu, Taizhou, Jiangyan District, Jiangyan Town People's road, No. 261 Patentee after: Shengzhou Wise Technology Service Co.,Ltd. Address before: 200092 Shanghai city Yangpu District Kongjiang Road No. 1555 building 24 layer of information technology Patentee before: SHANGHAI DAYA INFORMATION INDUSTRY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 225400 Jiangsu Province, Taixing City Industrial Park Xiangrong Road No. 18 Patentee after: Shengzhou Wise Technology Service Co.,Ltd. Address before: 225500 Jiangsu, Taizhou, Jiangyan District, Jiangyan Town People's road, No. 261 Patentee before: Shengzhou Wise Technology Service Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190411 Address after: 233090 Zhongchuang Space A-43, 1st Floor, Chuangchuang Space, No. 8 Roadway 2595, Donghai Avenue, Bengbu City, Anhui Province Patentee after: Bengbu Yongyuan Electronic Technology Co.,Ltd. Address before: 225400 No. 18, Xiang Rong Road, industrial park, Taixing City, Jiangsu. Patentee before: Shengzhou Wise Technology Service Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191211 Address after: Room 06, floor 3, office building 5, No. 281, fengle South Road, Chuzhou City, Anhui Province Patentee after: Chuzhou Tianchuang Information Technology Co.,Ltd. Address before: 233090 Zhongchuang Space A-43, 1st Floor, Chuangchuang Space, No. 8 Roadway 2595, Donghai Avenue, Bengbu City, Anhui Province Patentee before: Bengbu Yongyuan Electronic Technology Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20211220 |