CN202026322U - Integrated broadband and narrowband cable television bilateral network - Google Patents
Integrated broadband and narrowband cable television bilateral network Download PDFInfo
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- CN202026322U CN202026322U CN2011201317576U CN201120131757U CN202026322U CN 202026322 U CN202026322 U CN 202026322U CN 2011201317576 U CN2011201317576 U CN 2011201317576U CN 201120131757 U CN201120131757 U CN 201120131757U CN 202026322 U CN202026322 U CN 202026322U
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Abstract
The utility model discloses an integrated broadband and narrowband cable television bilateral network which comprises local end equipment, terminal equipment and repeater equipment connected between the local end equipment and the terminal equipment. In the utility model, a narrowband technology is creatively introduced while broadband access is realized, so that a network is convenient and fast to reconstruct, bilateral network coverage can be quickly achieved; a one-way translational set top box is supported to execute bilateral interactive service, and the traditional one-way translational set top box can be effectively used; and a third-party interface is standardized so as to fully protect the investment to the traditional front end service system; therefore, with the adoption of the utility model, the traditional broadcast and television network is facilitated to smoothly upgrade a next generation of broadcast and television networks, the performance-price ratio of reconstruction is high, a narrowband system and a broadband system can be individually networked and also form a hybrid network so as to mutually complement.
Description
Technical field
The utility model relates to a kind of catv net reform technology.
Background technology
" width unification " (wide band narrow band unification) bilateral network renovation technique can be realized " once transforming multiple access ", after promptly transforming by the unified network coverage, can be according to the different business demand, and flexible configuration is various to access terminal.Wide-band terminal (Ethernet interface) and narrowband terminal (USB interface/serial ports) with multiple interfaces type can freely insert on consolidated network, complement one another.Utilize the advantage of narrowband systems high performance-price ratio, easily help operator to realize the whole network user's two-way access fast, support unidirectional translation set-top box to carry out two-way value-added service with less investment.
" width unification " technology has effectively solved last 1 kilometer two-way access problem behind the cable TV network optical node, it is the basis that broadcasting and TV enterprise carries out the Internet and value-added service, domestic many cable television operators also begin to carry out the cable TV two-way network transformation one after another, but two subject matters in transformation process, have been run into, at first, the digitlization of cable TV has consumed a large amount of fund of various places cable television operators, in the face of the bilateral network transformation, and the unable burden of many operators; Secondly, by the end of the year 2009, in the nearly 4500 universal line digital cable customers of the whole nation, what most users used all is unidirectional translation set-top box, does not have Ethernet interface, also just can't carry out two-way value-added service.
The utility model content
In view of this, the technical problems to be solved in the utility model provides the cable TV two-way network of the wide band narrow band unification of low, compatible broadband of a kind of improvement cost and narrowband network.
In order to solve the problems of the technologies described above, the utility model is realized in the following way:
The cable TV two-way network of a kind of wide band narrow band unification, comprise local side apparatus, terminal equipment and be connected in local side apparatus and terminal equipment between trunking, wherein,
Described local side apparatus is the frequency reducing equipment based on WIFI frequency reducing technology, is used for data-signal is modulated to low frequency or high-frequency band in the OFDM mode, after cable TV signal mixes, outputs in the cable TV network;
Described trunking is the signal amplifying apparatus based on WIFI frequency reducing technology, be connected across on the signal input and output port of catv line amplifier, the down mixing signal is separated at the circuit amplifier in, amplify cable TV signal by line amplifier, by trunking to data-signal regenerative amplification or jumper connection, at the circuit amplifier out cable TV signal is mixed the back downlink transfer with data-signal, upstream data. signals directly by the trunking transmission, satisfies the access of wide-band terminal, narrowband terminal simultaneously;
Described terminal equipment is the equipment based on WIFI frequency reducing technology, be placed on user side, be used to separate cable TV signal and data-signal, narrowband terminal links to each other with set-top box by serial ports or USB interface, return path is provided, and wide-band terminal provides Ethernet interface to link to each other with set-top box or PC.
And described local side apparatus operating frequency is between 900 MHz～1100MHz, and described wide-band terminal is provided with 1～4 Ethernet interface.
The utility model is when realizing broadband access; creatively introduced the arrowband technology; the network rebuilding is convenient; can realize fast that bilateral network covers; support unidirectional translation set-top box to carry out the two-way interactive business; can effectively vitalize existing unidirectional translation set-top box; standard third party's interface; the investment of original front end service system that adequately protects; be beneficial to existing television network broadcast smooth upgrade to television network broadcast of future generation, transform the cost performance height, the networking separately of narrowband systems and broadband system; all right width mixed networking replenishes mutually.
Description of drawings
Fig. 1 is the utility model example structure principle schematic.
Embodiment
Defective at prior art exists describes in further detail of the present utility model for the ease of it will be appreciated by those skilled in the art that below in conjunction with accompanying drawing:
The cable TV two-way network of the wide band narrow band unification that present embodiment discloses can be when realizing broadband access; creatively introduced the arrowband technology; the network rebuilding is convenient; can realize fast that bilateral network covers; support unidirectional translation set-top box to carry out the two-way interactive business; can effectively vitalize existing unidirectional translation set-top box; standard third party's interface; the investment of original front end service system that adequately protects; be beneficial to existing television network broadcast smooth upgrade to television network broadcast of future generation, transform the cost performance height, the networking separately of narrowband systems and broadband system; all right width mixed networking replenishes mutually.
This network comprise local side apparatus 1, terminal equipment 2 and be connected in local side apparatus 1 and terminal equipment 2 between trunking 3, wherein:
Described local side apparatus 1 is the frequency reducing equipment based on WIFI frequency reducing technology, be used for data-signal is modulated to low frequency or high-frequency band in the OFDM mode, after cable TV signal mixes, output in the cable TV network, operating frequency is between 900 MHz～1100MHz.The MAC layer of this local side apparatus 1 adopts " carrier sense multiple spot insert/avoid collide CSMA/CA " mechanism, supports 802.1n, has very low network delay and shake, the QoS that adequately protects (QoS).And support the SNMP network management interface, the Bandwidth Management to the user is provided, support centralized user access administration, support remote software upgrade etc.And single module maximum throughput 75Mbps; Support 60VAC or 220VAC supply power mode, support star-like or tree type coax network topology that the actual conditions of the coaxial cable user distribution network that varies with reply fully guarantee adaptability and flexibility in the engineering application.
Described trunking 2 is the signal amplifying apparatus based on WIFI frequency reducing technology, be connected across on the signal input and output port of catv line amplifier, the down mixing signal is separated at the circuit amplifier in, amplify cable TV signal by line amplifier, by trunking to data-signal regenerative amplification or jumper connection, at the circuit amplifier out cable TV signal is mixed the back downlink transfer with data-signal, upstream data. signals directly by the trunking transmission, satisfies the access of wide-band terminal, narrowband terminal simultaneously.This trunking 2 is divided into 22 two kinds of active relaying 21 and passive relays, for long Distance Transmission, and the situation that Line Attenuation is bigger, active relaying can provide good support for bilateral network extends, and enlarges network coverage face.The MAC layer of this trunking 2 adopts " carrier sense multiple spot insert/avoid collide CSMA/CA " mechanism, supports 802.1n, has very low network delay and shake, the QoS that adequately protects (QoS).And this trunking 2 is also supported the SNMP network management interface, and the Bandwidth Management to the user is provided, and supports centralized user access administration, supports remote software upgrade etc.And, the single module maximum throughput 75Mbps of this trunking 2; Support 60VAC or 220VAC supply power mode, support star-like or tree type coax network topology that the actual conditions of the coaxial cable user distribution network that varies with reply fully guarantee adaptability and flexibility in the engineering application.
Described terminal equipment 3 is the equipment based on WIFI frequency reducing technology, be placed on user side, be used to separate cable TV signal and data-signal, narrowband terminal links to each other with set-top box by serial ports or USB interface, return path is provided, and wide-band terminal provides 1～4 Ethernet interface to link to each other with set-top box or PC.The MAC layer of this terminal equipment 3 adopts " carrier sense multiple spot insert/avoid collide CSMA/CA " mechanism equally; support 802.1n; have very low network delay and shake; the QoS (QoS) that adequately protects is supported the SNMP network management interface, and the Bandwidth Management to the user is provided; support centralized user access administration; support remote software upgrade etc., wide-band terminal maximum throughput 75Mbps satisfies the bandwidth demand of television network broadcast of future generation fully.
Can realize " once transforming; multiple access " after this network rebuilding, after promptly transforming by the unified network coverage, can be according to the different business demand, the various access terminal equipments of flexible configuration, wide-band terminal and narrowband terminal with multiple interfaces type can freely insert on consolidated network, complement one another, and can support multiple two-way interactive business such as video request program, audience investigation, TV shopping, TV stock, interactive game, broadband access network.Owing to when realizing broadband access, creatively introduced the arrowband technology, can effectively vitalize existing unidirectional translation set-top box, make this scheme become the bilateral network modification scheme of current tool cost performance and protection existing investment.
The above embodiment has only expressed execution mode of the present utility model, and it describes comparatively concrete and detailed, can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (2)
1. the cable TV two-way network of wide band narrow band unification, comprise local side apparatus (1), terminal equipment (2) and be connected in local side apparatus and terminal equipment between trunking (3), it is characterized in that:
Described local side apparatus is the frequency reducing equipment based on WIFI frequency reducing technology, is used for data-signal is modulated to low frequency or high-frequency band in the OFDM mode, after cable TV signal mixes, outputs in the cable TV network;
Described trunking is the signal amplifying apparatus based on WIFI frequency reducing technology, be connected across on the signal input and output port of catv line amplifier, the down mixing signal is separated at the circuit amplifier in, amplify cable TV signal by line amplifier, by trunking to data-signal regenerative amplification or jumper connection, at the circuit amplifier out cable TV signal is mixed the back downlink transfer with data-signal, upstream data. signals directly by the trunking transmission, satisfies the access of wide-band terminal, narrowband terminal simultaneously;
Described terminal equipment is the equipment based on WIFI frequency reducing technology, be placed on user side, be used to separate cable TV signal and data-signal, narrowband terminal links to each other with set-top box by serial ports or USB interface, return path is provided, and wide-band terminal provides Ethernet interface to link to each other with set-top box or PC.
2. the cable TV two-way network of wide band narrow band unification according to claim 1, it is characterized in that: described local side apparatus operating frequency is between 900 MHz～1100MHz, and described wide-band terminal is provided with 1～4 Ethernet interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201317576U CN202026322U (en) | 2011-04-29 | 2011-04-29 | Integrated broadband and narrowband cable television bilateral network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201317576U CN202026322U (en) | 2011-04-29 | 2011-04-29 | Integrated broadband and narrowband cable television bilateral network |
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| Publication Number | Publication Date |
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| CN202026322U true CN202026322U (en) | 2011-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201317576U Expired - Fee Related CN202026322U (en) | 2011-04-29 | 2011-04-29 | Integrated broadband and narrowband cable television bilateral network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109328440A (en) * | 2016-04-05 | 2019-02-12 | 威尔逊电子有限责任公司 | Narrow band signal for network protection detects |
| CN109428627A (en) * | 2017-08-31 | 2019-03-05 | 上海云视科技股份有限公司 | A kind of networked system and its terminal networking method of cable network |
-
2011
- 2011-04-29 CN CN2011201317576U patent/CN202026322U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109328440A (en) * | 2016-04-05 | 2019-02-12 | 威尔逊电子有限责任公司 | Narrow band signal for network protection detects |
| CN109428627A (en) * | 2017-08-31 | 2019-03-05 | 上海云视科技股份有限公司 | A kind of networked system and its terminal networking method of cable network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20140429 |