CN101505288B - Relay apparatus for wide band narrow band bi-directional communication - Google Patents
Relay apparatus for wide band narrow band bi-directional communication Download PDFInfo
- Publication number
- CN101505288B CN101505288B CN 200910046283 CN200910046283A CN101505288B CN 101505288 B CN101505288 B CN 101505288B CN 200910046283 CN200910046283 CN 200910046283 CN 200910046283 A CN200910046283 A CN 200910046283A CN 101505288 B CN101505288 B CN 101505288B
- Authority
- CN
- China
- Prior art keywords
- band
- signal
- processing module
- narrow
- module
- 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.)
- Active
Links
Images
Landscapes
- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a broadband-narrowband bidirectional communication relay device, and provides a mixed access mode of broad-narrow integration for an operator. The invention adopts a technical proposal that the device comprises a signal input port, a gateway module, a narrowband processing module, a broadband processing module, a frequency mixing module and a signal output port, wherein the signal input port receives external mixed signals; the gateway module demodulates data signals to output IP signals; the narrowband processing module digitally modulates Ethernet data signals to a first radio frequency band to transmit narrowband signals; the broadband processing module digitally modulates the Ethernet data signals to a second radio frequency band to be mixed with television signals so as to achieve shared cable transmission of broadcast interactive signals on a coaxial cable, on the contrary, receives the separated modulated digital signals and converts the digital signals into the Ethernet data signals through demodulation; the frequency mixing module modulates the output of the broadband processing module and the narrowband processing module to different frequency bands in a frequency division multiplexing mode so as to carry out transmission on the same coaxial cable; and the signal output port transmits the output of the frequency mixing module to the coaxial cable. The device is applied in the field of digital television.
Description
Technical field
The present invention relates to a kind of two-way communication relay, relate in particular to a kind of two-way communication relay that can satisfy simultaneously wide-band terminal and narrowband terminal access.
Background technology
General Bureau of Radio, Film and Television's cable network Two-way is transformed the instruction proposed standard and is comprised DOCSIS, MOCA, EOC, BIOC etc.BIOC(Broadcasting and Interactivity Over Cable wherein, broadcast interaction coaxial network user access technology) be the two-way access solution for last kilometer behind the hfc plant optical node, utilize original distribution network resource fully, carrying broadcast television signal (analog/digital TV) and data-signal.
For arrowband integrated circuit board as shown in Figure 1, use DOC(DOC to be based on the narrow-band communication system of cable TV Cable) technology, its principle is divided into two parts: the mixing of the modulating/demodulating of the MSK modulation system of base-band data signal, TV signal and Data Modulation hobby/separate.For broadband integrated circuit board as shown in Figure 2, adopt the BIOC technological frame, its principle is divided into two parts: the mixing of the OFDM of base-band data signal and the modulating/demodulating of qam mode, TV signal and data modulated signal/separate.And in existing trunking, do not have so a kind of trunking can satisfy simultaneously the access of wide-band terminal and narrowband terminal.
Summary of the invention
The object of the invention is to address the above problem, a kind of relay apparatus for wide band narrow band bi-directional is provided, according to the user requirement of full access is designed, use same trunking, satisfy simultaneously the access of wide-band terminal and narrowband terminal, be equipped with flexibly broadband and arrowband module in the relaying, realize the rapid Cover that Two-way Network is transformed according to the needs that network and Operator Specific Service are carried out.
Technical scheme of the present invention is: the invention discloses a kind of relay apparatus for wide band narrow band bi-directional, comprising:
Signal input port, the cable TV signal on the reception outer, coaxial cable and the mixed signal of data service signal;
Gateway module receives the mixed signal from signal input port, and the data-signal after the modulation of input is carried out demodulation, exports respectively the ether data-signal after the demodulation to Narrow-band processing module and broadband processing module;
The Narrow-band processing module, based on the narrow-band communication system technology of cable TV with the ether data-signal through Digital Modulation to the first radio frequency band, carry out the transmission of narrow band signal;
The broadband processing module, based on broadcast interaction coaxial network user access technology with the ether data-signal through Digital Modulation to the second radio frequency band, mix the rear co-cable transmission of broadcast interaction signal on coaxial cable that realize with TV signal, receive the modulated digital signal of separating from frequency mixing module, be converted to the ether data-signal by demodulation;
Frequency mixing module, the mode by frequency division multiplexing is modulated to different frequency bands in order to transmit at same coaxial cable with the output of this broadband processing module and the output of this Narrow-band processing module;
Signal output port is transferred to the output of this frequency mixing module on the outside coaxial cable.
Above-mentioned relay apparatus for wide band narrow band bi-directional, wherein, the Digital Modulation in this Narrow-band processing module is the MSK modulation system, it is output as the radiofrequency signal based on the MSK modulation.
Above-mentioned relay apparatus for wide band narrow band bi-directional, wherein, this first radio frequency band in this Narrow-band processing module is the 900MHz frequency range.
Above-mentioned relay apparatus for wide band narrow band bi-directional, wherein, the Digital Modulation in this broadband processing module is OFDM and qam mode, it is output as the radiofrequency signal based on OFDM and QAM modulation.
Above-mentioned relay apparatus for wide band narrow band bi-directional, wherein, this second radio frequency band in this broadband processing module is 950～1050MHz frequency range.
Above-mentioned relay apparatus for wide band narrow band bi-directional, wherein, the communication protocol of this device be standard ethernet protocol and proprietary protocol in the fusion of equipment end, provide standard ethernet protocol to higher level equipment, subordinate equipment is realized the common appearance of proprietary protocol and standard ethernet protocol.
The present invention contrasts prior art following beneficial effect: two-way communication relay of the present invention is realized wide and narrow strip user terminal and type of service by the mode of frequency division multiplexing by a hfc plant, mixing access way for operator provides width to unify provides the flexibility of maximum for the bilateral network transformation.Because after using this two-way communication relay, the terminal of width unification only needs once to cover, can both support for various types of terminals, like this Operator Specific Service is carried out greater flexibility is arranged, can fast open broadening band and the interactive service of arrowband, the user can select different terminal equipments voluntarily, does not need to increase in addition to cover cost.
Description of drawings
Fig. 1 is the theory diagram of arrowband integrated circuit board.
Fig. 2 is the theory diagram of broadband integrated circuit board.
Fig. 3 is the hardware elementary diagram of the embodiment of relay apparatus for wide band narrow band bi-directional of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Fig. 3 shows the hardware principle of relay apparatus for wide band narrow band bi-directional of the present invention.Please participate in Fig. 3, the embodiment of relay apparatus for wide band narrow band bi-directional 1 of the present invention comprises signal input port 10, gateway module 11, Narrow-band processing module 12, broadband processing module 13, frequency mixing module 14 and signal output port 15.
The cable TV signal that transmits on the signal input port 10 reception outer, coaxial cables and the mixed signal of data service signal.The mixed signal that gateway module 11 receives from signal input port 10 is carried out demodulation to the data-signal after the modulation of input, exports respectively the IP signal after the demodulation to Narrow-band processing module 12 and broadband processing module 13.
Narrow-band processing module 12 based on the DOC technology with the ether data-signal through MSK modulation system Digital Modulation to the 900MHz radio frequency band, carry out the transmission of narrow band signal, its output is based on the radiofrequency signal of MSK modulation.Broadband processing module 13 is modulated to 950～1050MHz radio frequency band with the ether data-signal through QAM and OFDM modulation digital based on the BIOC technology, mix the rear co-cable transmission of broadcast interaction signal on coaxial cable that realize with TV signal, otherwise, receive the modulated digital signal of separating, be converted to the ether data-signal by demodulation.The output of broadband processing module 13 is based on the radiofrequency signal of OFDM and QAM modulation.The mode of frequency mixing module 14 by frequency division multiplexing with the output Data Modulation of broadband processing module 13 and Narrow-band processing module 12 to different frequency bands in order to transmit at same coaxial cable.Signal output port 15 is transferred to the output of frequency mixing module 14 on the outside coaxial cable.
Because the local side performance of Narrow-band processing module is limited, need on up broadband processing module, filter packet, avoid useless packet to consume the resource of Narrow-band processing module: the arrowband local side can be configured in independently VLAN(VLAN) in, avoid other business to the performance impact of narrow-band communication system, the broadband processing module then filters out non-ARP(address resolution protocol) broadcast packet.
Relay apparatus for wide band narrow band bi-directional of the present invention has realized that standard I P agreement and proprietary protocol are in the fusion of equipment end, succession and the development to the BIOC trunking, to on the IP agreement of standard is provided, to the common appearance of lower realization proprietary protocol and standard I P agreement, thereby the uniformity of equipment and webmaster have greatly been improved.
Above-described embodiment provides to those of ordinary skills and realizes or use of the present invention; those of ordinary skills can be in the situation that does not break away from invention thought of the present invention; above-described embodiment is made various modifications or variation; thereby protection scope of the present invention do not limit by above-described embodiment, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (6)
1. relay apparatus for wide band narrow band bi-directional comprises:
Signal input port, the cable TV signal on the reception outer, coaxial cable and the mixed signal of data service signal;
Gateway module receives the mixed signal from signal input port, and the data-signal after the modulation of input is carried out demodulation, exports respectively the ether data-signal after the demodulation to Narrow-band processing module and broadband processing module;
The Narrow-band processing module, based on the narrow-band communication system technology of cable TV with the ether data-signal through Digital Modulation to the first radio frequency band, carry out the transmission of narrow band signal;
The broadband processing module, based on broadcast interaction coaxial network user access technology with the ether data-signal through Digital Modulation to the second radio frequency band, mix the rear co-cable transmission of broadcast interaction signal on coaxial cable that realize with TV signal, receive the modulated digital signal of separating from frequency mixing module, be converted to the ether data-signal by demodulation;
Frequency mixing module, the mode by frequency division multiplexing is modulated to different frequency bands in order to transmit at same coaxial cable with the output of this broadband processing module and the output of this Narrow-band processing module;
Signal output port is transferred to the output of this frequency mixing module on the outside coaxial cable.
2. relay apparatus for wide band narrow band bi-directional according to claim 1 is characterized in that, the Digital Modulation in this Narrow-band processing module is minimum shift keying MSK modulation system, and it is output as the radiofrequency signal based on minimum shift keying MSK modulation.
3. relay apparatus for wide band narrow band bi-directional according to claim 2 is characterized in that, this first radio frequency band in this Narrow-band processing module is the 900MHz frequency range.
4. relay apparatus for wide band narrow band bi-directional according to claim 1, it is characterized in that, Digital Modulation in this broadband processing module is orthogonal frequency division multiplex OFDM and quadrature amplitude modulation qam mode, and it is output as the radiofrequency signal based on orthogonal frequency division multiplex OFDM and quadrature amplitude modulation QAM modulation.
5. relay apparatus for wide band narrow band bi-directional according to claim 4 is characterized in that, this second radio frequency band in this broadband processing module is 950～1050MHz frequency range.
6. relay apparatus for wide band narrow band bi-directional according to claim 1, it is characterized in that, the communication protocol of this device is that standard ethernet protocol and proprietary protocol are in the fusion of equipment end, provide standard ethernet protocol to higher level equipment, subordinate equipment is realized the common appearance of proprietary protocol and standard ethernet protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910046283 CN101505288B (en) | 2009-02-18 | 2009-02-18 | Relay apparatus for wide band narrow band bi-directional communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910046283 CN101505288B (en) | 2009-02-18 | 2009-02-18 | Relay apparatus for wide band narrow band bi-directional communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101505288A CN101505288A (en) | 2009-08-12 |
| CN101505288B true CN101505288B (en) | 2013-04-24 |
Family
ID=40977360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910046283 Active CN101505288B (en) | 2009-02-18 | 2009-02-18 | Relay apparatus for wide band narrow band bi-directional communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101505288B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079305B (en) * | 2013-03-28 | 2016-05-18 | 日电（中国）有限公司 | Emitter, receiving system and the transmission system of broadband signal |
| CN109217915A (en) * | 2018-11-07 | 2019-01-15 | 中国电子科技集团公司第五十四研究所 | A kind of spaceborne high speed relaying broadband fused business divides multiple connection and switch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567998A (en) * | 2003-06-21 | 2005-01-19 | 华为技术有限公司 | Method and system for providing broadband access and telephone service on cable television network |
| CN1285223C (en) * | 1998-01-13 | 2006-11-15 | 朗迅科技公司 | Multi-carrier CDMA transmission system with frequency and transmit diversity |
| CN1909558A (en) * | 2006-08-23 | 2007-02-07 | 华为技术有限公司 | Integrated access system, method and narrow-band service interface module |
| CN1960236A (en) * | 2006-02-22 | 2007-05-09 | 上海傲蓝通信技术有限公司 | Coaxial mixed full service access network system of bidirectional optical fiber |
| CN101107650A (en) * | 2005-01-14 | 2008-01-16 | 松下电器产业株式会社 | Audio switching device and audio switching method |
| CN101257543A (en) * | 2008-03-13 | 2008-09-03 | 南通华航科工贸有限公司 | EOC system based on WLAN802.11X standard |
-
2009
- 2009-02-18 CN CN 200910046283 patent/CN101505288B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1285223C (en) * | 1998-01-13 | 2006-11-15 | 朗迅科技公司 | Multi-carrier CDMA transmission system with frequency and transmit diversity |
| CN1567998A (en) * | 2003-06-21 | 2005-01-19 | 华为技术有限公司 | Method and system for providing broadband access and telephone service on cable television network |
| CN101107650A (en) * | 2005-01-14 | 2008-01-16 | 松下电器产业株式会社 | Audio switching device and audio switching method |
| CN1960236A (en) * | 2006-02-22 | 2007-05-09 | 上海傲蓝通信技术有限公司 | Coaxial mixed full service access network system of bidirectional optical fiber |
| CN1909558A (en) * | 2006-08-23 | 2007-02-07 | 华为技术有限公司 | Integrated access system, method and narrow-band service interface module |
| CN101257543A (en) * | 2008-03-13 | 2008-09-03 | 南通华航科工贸有限公司 | EOC system based on WLAN802.11X standard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101505288A (en) | 2009-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7346918B2 (en) | Intelligent device system and method for distribution of digital signals on a wideband signal distribution system | |
| US9247310B2 (en) | DOCSIS out-of-band control signal frequency conversion for legacy set-top boxes | |
| CN102006503B (en) | Wideband data communication system and method for integrating IP network and cable television network | |
| US20050113045A1 (en) | Bridged ultra-wideband communication method and apparatus | |
| CA2609168A1 (en) | Return data path in an hfc network | |
| KR101082022B1 (en) | digital repeater of mobile communication system and method thereof | |
| CN101242462A (en) | Telecom service integrated access system | |
| CN101505288B (en) | Relay apparatus for wide band narrow band bi-directional communication | |
| WO2002104024A1 (en) | An intelligent device system and method for distribution of digital signals on a wideband signal distribution system | |
| CN101924672A (en) | Wireless broadband access system and method | |
| US10178441B2 (en) | Method and system for power management in a frequency division multiplexed network | |
| CN103997354B (en) | A kind of mixing system, mixer device and frequency mixing method | |
| US20060117361A1 (en) | Data communications system using CATV network with wireless return path | |
| CN203457263U (en) | WIFI adapter and digital television signal distribution system using WIFI adapter | |
| Hayashi et al. | Millimeter-wave impulse radio technology | |
| JP3756039B2 (en) | Network system using optical fiber cable | |
| JP2003209829A (en) | Catv system and local center modem | |
| US11804892B2 (en) | Distributed antenna system with hybrid signal sources | |
| CN101594125B (en) | Tuner | |
| CN210157279U (en) | Coding and modulating integrated machine | |
| JP2009253838A (en) | Ofdm transmission apparatus and frequency conversion device therefor | |
| KR20230092080A (en) | In-building Distributed Repeater System | |
| US20070288988A1 (en) | Cable television system with extended quadrature amplitude modulation signal transmission, transmission means and a management centre therefor | |
| WO2015081574A1 (en) | Mixer circuit, service device, and mixer service system | |
| JP2004120694A (en) | Optical transmitting apparatus, repeating apparatus, and optical transmitting system using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI YUNSHI TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TIANBAI WIDEBAND NETWORK SCIENCE AND TECHNOLOGY (SHANGHAI) CO., LTD. Effective date: 20130116 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201103 XUHUI, SHANGHAI TO: 201800 JIADING, SHANGHAI |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20130116 Address after: 201800 Shanghai city Jiading District town of Jiading Bole Road No. 70 building 2008 room 10 Applicant after: Shanghai Cloud Vision Networks Technology Co., Ltd. Address before: 201103, building 9, Hechuan building, No. 2016, Shanghai, Yishan Road Applicant before: Tianbai Broadband Network Technology (Shanghai) Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201800 Shanghai city Jiading District town of Jiading Bole Road No. 70 building 2008 room 10 Patentee after: Shanghai Cloud Vision Networks Technology Co., Ltd. Address before: 201800 Shanghai city Jiading District town of Jiading Bole Road No. 70 building 2008 room 10 Patentee before: Shanghai Cloud Vision Networks Technology Co., Ltd. |