CN107743273A - Air digital television signals receive and transmission network device and its network-building method - Google Patents
Air digital television signals receive and transmission network device and its network-building method Download PDFInfo
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- CN107743273A CN107743273A CN201711210023.5A CN201711210023A CN107743273A CN 107743273 A CN107743273 A CN 107743273A CN 201711210023 A CN201711210023 A CN 201711210023A CN 107743273 A CN107743273 A CN 107743273A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000003321 amplification Effects 0.000 claims abstract description 28
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 28
- 235000012364 Peperomia pellucida Nutrition 0.000 description 2
- 240000007711 Peperomia pellucida Species 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Television Systems (AREA)
Abstract
A kind of air digital television signals receive and transmission network device, are related to digital television signal reception technique field, especially belong to a kind of air digital television signals that are applied to and receive and transmission network device and its network-building method.It is characterized in that, for N+2 level transport network architectures, including the amplification end node in the beginning node in N+2 levels, N+1 levels and the connection end node and terminal node from N levels to every grade of the first order, wherein, connection end node on every grade is connected with the terminal node in peer respectively, and the connection end node in N levels is connected also by amplifying end node with beginning node, described terminal node is connected with the wireless set-top box for television in peer not in chummery respectively.The present invention has good effect that is cost-effective, improving signal quality of digital television.
Description
Technical field
The present invention relates to digital television signal reception technique field, especially belongs to a kind of wireless digital TV-set that is applied to and believes
Number receive with transmission network device and its network-building method.
Background technology
When existing wireless digital TV-set watches program, majority is using a set of receiver, i.e. reception antenna --- feedback
Line --- set top box.The a set of receiver of every household, it is scattered to watch.In order to facilitate the home for the aged, hospital, hotel, apartment these
Wireless digital TV-set is watched in the place that TV user compares concentration, if each room respectively carries out signal using a reception antenna
It is scattered to receive, both unsightly, and waste of manpower, material resources, it is unfavorable for saving fund.
The content of the invention
The purpose of the present invention is that providing a kind of air digital television signals receives and transmission network device and its networking
Method, digital signal quality and cost-effective purpose are improved to reach.
Air digital television signals provided by the present invention receive and transmission network device, it is characterised in that are passed for N+2 levels
Defeated network structure, including the beginning node in N+2 levels, the amplification end node in N+1 levels and every from N levels to the first order
Connection end node and terminal node in level, wherein, connection end node on every grade respectively with the terminal node phase in peer
Connection, and the connection end node in N levels is connected also by amplifying end node with beginning node, described terminal node point
It is not connected with the wireless set-top box for television in peer not in chummery.
Further, described beginning node is reception antenna, and amplification end node is amplifier, the connection end on the 1st grade
Node is distributor, is total splitter from the 2nd grade to the connection end node in N levels, the terminal node on every grade is secondary branch
Device, connected between reception antenna, amplifier, distributor, total splitter, secondary splitter by feeder line, reception antenna passes through amplification
Device connection N levels on total splitter input port, from the delivery outlet of total splitter in N levels to the 2nd grade on total branch
The input port of device is sequentially connected, and the delivery outlet of total splitter on the 2nd grade is connected with the input port of the distributor in the first order,
The delivery outlet of distributor on 2nd grade to the bifurcations and the first order of total splitter in N levels, difference auxiliary connection branch
Device, the bifurcations of each secondary splitter, is connected with the wireless set-top box for television in peer not in chummery respectively, and each secondary branch
The delivery outlet of device is connected with load.
Air digital television signals provided by the present invention receive the network-building method with transmission network device, and its feature exists
In comprising the following steps：
Step 1：Receive digital television signal；Beginning node in N+2 levels, by a reception antenna, receive wireless digital
TV signal；
Step 2：The gain amplifier of air digital television signals；Signal after reception antenna reception, passes through feeder line, connects N+1
Amplification end node in level, by amplifying the amplifier of end node, carry out the gain amplifier of signal；
Step 3：The structure of air digital television signals transport network architecture；（1）It is 3 grades of network transport infrastructures as n=1, from
Signal after the amplifier amplification of amplification end node on 2nd grade, the total score of the connection end node on the 1st grade is connected by feeder line
Prop, total splitter of the connection end node on the 1st grade connect the secondary branch of each terminal node on the 1st grade by feeder line respectively
Device, and the matching of total splitter, secondary splitter is carried out according to the algorithm of splitter signal attenuation amplitude, each terminal in the first order
The secondary splitter of node, by feeder line, it is connected respectively with the wireless set-top box for television not in chummery in the first order, completes
The structure of individual layer not 3 grades of air digital television signals transport network architectures of chummery；（2）Work as n>When 1, passed for N+2 levels network
Defeated structure, the signal after the amplifier amplification of the amplification end node in N+1 levels, by feeder line, connects the connection in N levels
Total splitter of end node, for total splitter of the connection end node in N levels by feeder line, it is in N levels that connection is at the same level respectively
Each terminal node secondary splitter and N-1 levels on connection end node；Total branch of connection end node in N-1 levels
Device is the connection end on the secondary splitter and N-2 levels of each terminal node in N-1 levels by feeder line, respectively connection peer
By that analogy, up to total splitter of the connection end node on 3rd level is by feeder line, connection is same respectively for total splitter ... of node
Level be each terminal node on 3rd level secondary splitter and the 2nd grade on connection end node total splitter when, on the 2nd grade
Connection end node total splitter by feeder line, respectively the secondary splitter of each terminal node in i.e. the 2nd grade at the same level of connection with
And the distributor of the connection end node on the 1st grade, the distributor of the connection end node in the first order connect the 1st respectively by feeder line
The secondary splitter of each terminal node in level, and total splitter, secondary branch are carried out according to the algorithm of splitter signal attenuation amplitude
The matching of device, distributor, the secondary splitter of each terminal node in the first order, by feeder line, respectively with the difference in the first order
Wireless set-top box for television in room is connected, and completes the N+2 level air digital television signals transmission network knots of N layers not chummery
The structure of structure.
Further, the 1st grade to the amplification end node between N levels, also having additional for adjustment signal pad value.
Air digital television signals provided by the present invention receive and transmission network device and its network-building method, by this hair
It is bright so that when receiving air digital television signals, the man-to-man lengthy and tedious mould under traditional approach can be changed with common antenna
Formula, it is unified to receive air digital television signals by common antenna, so as to give each room TV reception, do not only have
Effect ensure that the quality of air digital television signals, but also can save fund, and be artistically decorated.In summary, it is of the invention
With good effect that is cost-effective, improving signal quality of digital television.
Brief description of the drawings
Accompanying drawing part discloses the specific embodiment of the invention, wherein
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the embodiment of the present invention.
Embodiment
As shown in figure 1, air digital television signals provided by the present invention receive and transmission network device, passed for N+2 levels
Defeated network structure, including beginning node a, the amplification end node b in N+1 levels in N+2 levels and from N levels to the first order
Connection end node c and terminal node d on every grade, wherein, connection end node on every grade respectively with the terminal section in peer
Point is connected, and the connection end node in N levels is connected also by amplifying end node with beginning node, described terminal section
Point is connected with the wireless set-top box for television 6 in peer not in chummery respectively.
In addition, the 1st grade to the amplification end node between N levels, also having additional for adjustment signal pad value.According to need
Will, by setting up the amplifier of amplification end node, the gain amplifier of signal is carried out, so as to regulate and control to signal attenuation value value.
In embodiment as shown in Figure 2, described beginning node is reception antenna 1, and amplification end node is amplifier the 2, the 1st
Connection end node in level is distributor 3, from the 2nd grade to the connection end node in N levels be total splitter 4, the end on every grade
End node is secondary splitter 5, is connected, connect by feeder line between reception antenna, amplifier, distributor, total splitter, secondary splitter
The input port that antenna connects total splitter in N levels by amplifier is received, from the delivery outlet of total splitter in N levels to the
The input port of total splitter on 2 grades is sequentially connected, the distributor on the delivery outlet and the first order of total splitter on the 2nd grade
Input port is connected, the delivery outlet of the distributor in the 2nd grade to total splitter in N levels of bifurcations and the first order, point
Other auxiliary connection splitter, the bifurcations of each secondary splitter, it is connected respectively with the wireless set-top box for television 6 in peer not in chummery
Connect, and the delivery outlet of each secondary splitter is connected with load.
Below with two layers of n=2 not chummery air digital television signals receive with transmission Application Example, to this
Invention is described in detail.In the present embodiment, reception antenna uses 15 element antennas；Amplifier uses WHA-020 day
Line amplifier；Distributor uses FP-204 two distributors, and total splitter uses model FZ-216 two splitters, with total branch
The connected secondary splitter of device uses model FZ-206 two splitters；The secondary splitter being connected with distributor uses the two of FZ-214
Splitter.After the reception antenna on the 2nd layer receives air digital television signals 90dbm, amplifier is sent into, is amplified through amplifier
Afterwards, signal reaches 110dbm, and input port of the signal after amplification through total splitter on the first floor is passed on the first floor
Distributor input port when signal attenuation to 108dbm, the signal attenuation of two bifurcations output of total splitter to 94dbm,
The signal attenuation of the delivery outlet output of distributor connects respectively to 104dbm, the bifurcations of total splitter, the delivery outlet of distributor
Secondary splitter, so, the 2nd layer of upper secondary splitter bifurcations being connected with total splitter export and enter on the 2nd layer not chummery
Signal during interior wireless set-top box for television is 88dbm, and the 1st layer of upper secondary splitter bifurcations being connected with distributor are exported and gone forward side by side
Enter on the 1st layer that the signal of the wireless set-top box for television of chummery is not 90dbm.
Air digital television signals provided by the present invention receive the network-building method with transmission network device, including following step
Suddenly：
Step 1：Receive digital television signal；Beginning node in N+2 levels, by a reception antenna, receive wireless digital
TV signal；
Step 2：The gain amplifier of air digital television signals；Signal after reception antenna reception, passes through feeder line, connects N+1
Amplification end node in level, by amplifying the amplifier of end node, carry out the gain amplifier of signal；
Step 3：The structure of air digital television signals transport network architecture；（1）It is 3 grades of network transport infrastructures as n=1, from
Signal after the amplifier amplification of amplification end node on 2nd grade, the total score of the connection end node on the 1st grade is connected by feeder line
Prop, total splitter of the connection end node on the 1st grade connect the secondary branch of each terminal node on the 1st grade by feeder line respectively
Device, and the matching of total splitter, secondary splitter is carried out according to the algorithm of splitter signal attenuation amplitude, each terminal in the first order
The secondary splitter of node, by feeder line, it is connected respectively with the wireless set-top box for television not in chummery in the first order, completes
The structure of individual layer not 3 grades of air digital television signals transport network architectures of chummery；（2）Work as n>When 1, passed for N+2 levels network
Defeated structure, the signal after the amplifier amplification of the amplification end node in N+1 levels, by feeder line, connects the connection in N levels
Total splitter of end node, for total splitter of the connection end node in N levels by feeder line, it is in N levels that connection is at the same level respectively
Each terminal node secondary splitter and N-1 levels on connection end node；Total branch of connection end node in N-1 levels
Device is the connection end on the secondary splitter and N-2 levels of each terminal node in N-1 levels by feeder line, respectively connection peer
By that analogy, up to total splitter of the connection end node on 3rd level is by feeder line, connection is same respectively for total splitter ... of node
Level be each terminal node on 3rd level secondary splitter and the 2nd grade on connection end node total splitter when, on the 2nd grade
Connection end node total splitter by feeder line, respectively the secondary splitter of each terminal node in i.e. the 2nd grade at the same level of connection with
And the distributor of the connection end node on the 1st grade, the distributor of the connection end node in the first order connect the 1st respectively by feeder line
The secondary splitter of each terminal node in level, and total splitter, secondary branch are carried out according to the algorithm of splitter signal attenuation amplitude
The matching of device, distributor, the secondary splitter of each terminal node in the first order, by feeder line, respectively with the difference in the first order
Wireless set-top box for television in room is connected, and completes the N+2 level air digital television signals transmission network knots of N layers not chummery
The structure of structure.
The present invention can be widely used in the region that the TV users such as the home for the aged, hospital, hotel, apartment compare concentration,
For receiving air digital television signals, wireless digital TV-set is watched.Wireless digital TV-set is received by master antenna to believe
Number, the signal of reception is carried out to signal raising gain, recycling branch, distributor, after gain by antenna amplifier antennafire
Signal is linked into each room.The man-to-man antenna reception pattern of tradition is effectively changed, also improves signal quality, is saved
Cost.
Claims (4)
1. a kind of air digital television signals receive and transmission network device, it is characterised in that it is N+2 level transport network architectures,
Including the beginning node in N+2 levels（a）, amplification end node in N+1 levels（b）And from N levels to every grade of the first order
Connection end node（c）And terminal node（d）, wherein, connection end node on every grade respectively with the terminal node in peer
It is connected, and the connection end node in N levels is connected also by amplifying end node with beginning node, described terminal node
Respectively with the not wireless set-top box for television in chummery in peer（6）It is connected.
2. a kind of air digital television signals according to claim 1 receive and transmission network device, it is characterised in that the
1 grade to the amplification end node between N levels, also having additional for adjustment signal pad value.
3. air digital television signals according to claim 2 receive and transmission network device, it is further characterized in that, it is described
Beginning node be reception antenna（1）, amplification end node is amplifier（2）, the connection end node on the 1st grade is distributor（3）,
From the 2nd grade to the connection end node in N levels be total splitter（4）, the terminal node on every grade is secondary splitter（5）, receive
Connected between antenna, amplifier, distributor, total splitter, secondary splitter by feeder line, reception antenna passes through amplifier connection the
The input port of total splitter in N levels, from the delivery outlet of total splitter in N levels to the 2nd grade on total splitter input
Mouth is sequentially connected, and the delivery outlet of total splitter on the 2nd grade is connected with the input port of the distributor in the first order, and the 2nd grade extremely
The delivery outlet of distributor in the bifurcations and the first order of total splitter in N levels, auxiliary connection splitter, each pair are divided respectively
The bifurcations of prop, respectively with the not wireless set-top box for television in chummery in peer（6）It is connected, and each secondary splitter is defeated
Outlet is connected with load.
4. air digital television signals according to claim 3 receive the network-building method with transmission network device, its feature
It is, comprises the following steps：
Step 1：Receive digital television signal；Beginning node in N+2 levels, pass through a reception antenna（1）, receive no line number
Word TV signal；
Step 2：The gain amplifier of air digital television signals；Signal after reception antenna reception, passes through feeder line, connects N+1
Amplification end node in level, by the amplifier for amplifying end node（2）, carry out the gain amplifier of signal；
Step 3：The structure of air digital television signals transport network architecture；It is 3 grades of network transport infrastructures, from the 2nd as n=1
Signal after the amplifier amplification of amplification end node in level, total branch of the connection end node on the 1st grade is connected by feeder line
Device（4）, total splitter of the connection end node on the 1st grade connects the pair point of each terminal node on the 1st grade by feeder line respectively
Prop（5）, and the matching of total splitter, secondary splitter is carried out according to the algorithm of splitter signal attenuation amplitude, in the first order
The secondary splitter of each terminal node, by feeder line, respectively with the not wireless set-top box for television in chummery in the first order（6）Phase
Connection, complete the structure of individual layer not 3 grades of air digital television signals transport network architectures of chummery；Work as n>It is N+2 levels when 1
Network transport infrastructure, the signal after the amplifier amplification of the amplification end node in N+1 levels, by feeder line, is connected in N levels
Connection end node total splitter, total splitter of the connection end node in N levels is by feeder line, connection at the same level i.e. the respectively
Connection end node on the secondary splitter and N-1 levels of each terminal node in N levels；Connection end node in N-1 levels
Total splitter is on the secondary splitter and N-2 levels of each terminal node in N-1 levels by feeder line, respectively connection peer
The total splitter ... for connecting end node by that analogy, until total splitter of the connection end node on 3rd level passes through feeder line, is distinguished
When connecting total splitter of the connection end node on the secondary splitter and the 2nd grade that peer is each terminal node on 3rd level, the
The secondary branch that total splitter of connection end node on 2 grades passes through feeder line, respectively each terminal node in i.e. the 2nd grade at the same level of connection
The distributor of connection end node on device and the 1st grade（3）, the distributor of the connection end node in the first order distinguished by feeder line
Connect the secondary splitter of each terminal node on the 1st grade, and according to the algorithm of splitter signal attenuation amplitude carry out total splitter,
The matching of secondary splitter, distributor, the secondary splitter of each terminal node in the first order, by feeder line, respectively with the first order
The wireless set-top box for television not in chummery be connected, complete the N+2 levels air digital television signals transmission of N layers not chummery
The structure of network structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711210023.5A CN107743273A (en) | 2017-11-28 | 2017-11-28 | Air digital television signals receive and transmission network device and its network-building method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711210023.5A CN107743273A (en) | 2017-11-28 | 2017-11-28 | Air digital television signals receive and transmission network device and its network-building method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107743273A true CN107743273A (en) | 2018-02-27 |
Family
ID=61239328
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711210023.5A Pending CN107743273A (en) | 2017-11-28 | 2017-11-28 | Air digital television signals receive and transmission network device and its network-building method |
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Citations (8)
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| CN1265250A (en) * | 1997-01-07 | 2000-08-30 | 福克斯康姆有限公司 | Satellite distributed television |
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| JP2007151066A (en) * | 2005-11-04 | 2007-06-14 | N H K Itec:Kk | Television receiving system |
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| CN202261271U (en) * | 2011-09-15 | 2012-05-30 | 上海日安电子有限公司 | Coverage system for long-wave standard time electric wave dead zone |
| CN102625062A (en) * | 2012-03-20 | 2012-08-01 | 华为终端有限公司 | Transport stream migration equipment and satellite master antenna television system |
| CN203722735U (en) * | 2014-01-20 | 2014-07-16 | 深圳市高伦技术有限公司 | Coaxial cable subscriber line and signal transmission system used for tri-network convergence |
| CN208572299U (en) * | 2017-11-28 | 2019-03-01 | 莒县广播电视台 | Air digital television signals receive and transmission network device |
-
2017
- 2017-11-28 CN CN201711210023.5A patent/CN107743273A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1265250A (en) * | 1997-01-07 | 2000-08-30 | 福克斯康姆有限公司 | Satellite distributed television |
| KR200404167Y1 (en) * | 2005-05-30 | 2005-12-19 | 알트론 주식회사 | T-DMB repeating apparatus by using coaxial distribution of TV network |
| JP2007151066A (en) * | 2005-11-04 | 2007-06-14 | N H K Itec:Kk | Television receiving system |
| CN101227294A (en) * | 2007-01-15 | 2008-07-23 | 杭州华三通信技术有限公司 | Ethernet transmission method and Ethernet transmitting/receiving device based on coaxial cable network |
| CN202261271U (en) * | 2011-09-15 | 2012-05-30 | 上海日安电子有限公司 | Coverage system for long-wave standard time electric wave dead zone |
| CN102625062A (en) * | 2012-03-20 | 2012-08-01 | 华为终端有限公司 | Transport stream migration equipment and satellite master antenna television system |
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Application publication date: 20180227 |
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