CN103780282B - A kind of data transmission method - Google Patents
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- CN103780282B CN103780282B CN201210402466.5A CN201210402466A CN103780282B CN 103780282 B CN103780282 B CN 103780282B CN 201210402466 A CN201210402466 A CN 201210402466A CN 103780282 B CN103780282 B CN 103780282B
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- 241001465828 Cecidomyiidae Species 0.000 claims abstract description 45
- 238000000926 separation method Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005516 engineering processes Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reactions Methods 0.000 description 2
- 280000409857 Coaxial Cable companies 0.000 description 1
- 280000141919 Network Communication companies 0.000 description 1
- 230000002457 bidirectional Effects 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound 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Abstract
Description
Technical field
The present invention relates to network communication technology field, more particularly, to a kind of EOC (Ethernet Over Coax, ether Data are transmitted by coaxial cable) terminal, data transmission system and method.
Background technology
Using cable TV digitalization as point of penetration, digital television broadcasting is popularized in quickening, strengthens broadband communication network, number The information infrastructure building such as word television network and Next Generation Internet, promote " integration of three networks ".To promote cable television to send out comprehensively Exhibition, in July, 2009, General Bureau of Radio, Film and Television makes《On accelerating some opinions of radio and television cable network development》, clearly Goal task, focus and the policies and measures of cable TV network development.
At present, occur registering one's residence more difficult, the whole network covering cost height of constructing during cable TV network bidirectional network Transformation And the problems such as improvement project cycle length, so being eager to seek a kind of new technical scheme to solve these problems.
In addition, IP (Internet Protocol, the agreement interconnected between network) data needed for most of users online It is to be registered one's residence by broadband, i.e., is entered by netting twine, and the video data of cable television passes through coaxial electrical when user sees cable television Cable enters, therefore, when user not only needs to surf the Net but also need to see cable television, it is necessary to not only laid netting twine from outside but also laid coaxial electrical Cable enters the interior of access customer, and the construction that can thus to register one's residence is highly difficult and troublesome in poeration, netting twine and coaxial wire it is same When laying make it that the line in user room is not only more but also numerous and diverse, take certain space.
The content of the invention
The technical problem to be solved in the present invention is not only to have needed to surf the Net but also need to see wired electricity in the prior art in user to overcome Apparent time, it is necessary to not only laid netting twine from outside and laying coaxial wire enters the interior of access customer, cause to register one's residence construct it is highly difficult and It is troublesome in poeration, and laying make it that the line in user room was not only more but also numerous and diverse, taken necessarily while netting twine and coaxial wire The defects of space, there is provided a kind of EOC terminal, data transmission system and method, video is transmitted by same root coaxial wire Data-signal and IP data-signals, the transmission of video data signal is neither influenceed, broad band Integrated service can be exclusively enjoyed again, had good Adaptability and flexibility, beneficial to the operation of user.
The present invention is that solve above-mentioned technical problem by following technical proposals：
A kind of EOC terminal, its feature are that the EOC terminal includes a frequency divider and a WIFI (Wireless Fidelity, Wireless Fidelity) communication module；
The frequency divider is used to receive to be believed through what coaxial wire transmission came including a video data signal and an IP data Number a data-signal, and the video data signal in the data-signal is transmitted to a video equipment；
The WIFI communication modules are used to send the IP data-signals to a computer.
It is preferred that the frequency divider is used to that the data-signal come will to be transmitted based on video data frequency through the coaxial wire Section is isolated the video data signal and transmitted to the video equipment.Wherein, the video data frequency range refer to the video counts it is believed that Number work frequency range.
It is preferred that the WIFI communication modules are used to believe the frequency divider based on the IP data that an IP data bands are isolated Number send to the computer.Wherein, the IP data bands refer to the frequency range of IP data-signals work.
It is preferred that the EOC terminal also includes an EOC modules, the EOC modules are used to isolate the frequency divider received The IP data-signals be demodulated, and by an analog-digital converter by the demodulated IP data-signals be converted to one numeral believe Number transmit to the WIFI communication modules.
It is preferred that the EOC modules are used to by an exchange chip transmit the data signal to the WIFI communication modules.
It is preferred that the EOC modules are used for, by a MII, (Media Independent Interface, medium is unrelated to be connect Mouthful) by the digital data transmission to the exchange chip, the exchange chip is used to receive to be come interface through MII interfaces transmission The data signal be converted to suitable for the WIFI communication modules receive data pattern, the WIFI communication modules be used for this is exchanged Converted data signal that chip transmission comes is sent to the computer.
It is preferred that the video data frequency range is 87MHz-1000MHz, the IP data bands are 7.5MHz-67MHz.
Present invention also offers a kind of data transmission system, its feature is, the data transmission system includes above-mentioned EOC Terminal, at least a video equipment, at least a computer and an EOC local sides；
The EOC local sides are used to receive a video data signal and an IP data-signals；
The frequency divider includes the video data signal and is somebody's turn to do for receiving the EOC local sides through what coaxial wire transmission came One data-signal of IP data-signals, and the video data signal in the data-signal is transmitted to described video equipment；
The WIFI communication modules are used to send the IP data-signals to described computer.
It is preferred that the EOC local sides include an OFDM (Orthogonal Frequency Division Multiplexing, orthogonal frequency division multiplexi) chip.
Present invention also offers a kind of data transmission method using above-mentioned data transmission system, the data transmission method bag Include following steps：
Step S1, the EOC local sides receive the video data signal and the IP data-signals；
Step S2, the frequency divider receives the EOC local sides includes the video data signal through what coaxial wire transmission came With the data-signal of the IP data-signals；
Step S3, the frequency divider transmits the video data signal in the data-signal to described video equipment；
Step S4, the WIFI communication modules send the IP data-signals to described computer.
The positive effect of the present invention is：
EOC terminal, data transmission system and the method for the present invention, video counts are transmitted by using same root coaxial wire It is believed that number and IP data-signals, neither influence the transmission of video data signal, broad band Integrated service can be exclusively enjoyed again, have good Adaptability and flexibility, the present invention also have the advantages that to be easy to register one's residence construction, raising space availability ratio and easy to operate.
Brief description of the drawings
Fig. 1 is the structure chart of the EOC terminal of present pre-ferred embodiments.
Fig. 2 is the structure chart of the data transmission system of present pre-ferred embodiments.
Fig. 3 is the flow chart of the data transmission method of the data transmission system of present pre-ferred embodiments.
Embodiment
Provide present pre-ferred embodiments below in conjunction with the accompanying drawings, to describe technical scheme in detail, but not because This is limited the present invention among described scope of embodiments.
As shown in Fig. 2 the data transmission system of the present embodiment includes an EOC local sides 1, an EOC terminal 2, a TV 3 and one Computer 4, certainly, the quantity of the TV 3 and the computer 4 can also be two and two or more.The EOC local sides 1 include one OFDM chips, the structure of the EOC terminal 2 is as shown in figure 1, the EOC terminal 2 includes a frequency divider 21, an EOC modules 22, one are handed over Change the WIFI communication modules 24 of chip 23 and one.
Wherein, the EOC local sides 1 are used to receive a video data signal and an IP data-signals；
The frequency divider 21 includes the video data signal for receiving the EOC local sides 1 through what coaxial wire transmission came With a data-signal of the IP data-signals, and the data-signal based on a video data band separation gone out into the video counts it is believed that Number and transmit to the TV 3；
The EOC modules 22 are used to be demodulated the IP data-signals that the frequency divider 21 received is isolated, and lead to Cross an analog-digital converter and the demodulated IP data-signals are converted into a data signal, and then counted this by a MII interfaces Word signal is transmitted to the exchange chip 23；
Data signal come through MII interfaces transmission that the exchange chip 23 is used to receive is converted to suitable for being somebody's turn to do The data pattern that WIFI communication modules 24 receive；
Wherein, the converted data signal is transmitted to compatible by the port (port) of the exchange chip 23 and is somebody's turn to do The port of WIFI communication modules 24；
Converted data signal that the WIFI communication modules 24 are used to transmit the exchange chip 23 is sent to this Computer 4.
In the present embodiment, the video data frequency range selects 87MHz-1000MHz, and the IP data bands select 7.5MHz- 67MHz。
Present invention also offers a kind of data transmission method using above-mentioned data transmission system, the data transmission method bag Include following steps：
Step 101, the EOC local sides receive the video data signal and the IP data-signals；
Step 102, the frequency divider receive the EOC local sides includes the video data signal through what coaxial wire transmission came With the data-signal of the IP data-signals；
The data-signal is gone out the video data signal simultaneously by step 103, the frequency divider based on the video data band separation Transmit to the TV；
Step 104, the EOC modules are demodulated to the IP data-signals that the frequency divider received is isolated, and led to Cross an analog-digital converter and the demodulated IP data-signals are converted into a data signal；
Step 105, the EOC modules are by a MII interfaces by the digital data transmission to the exchange chip；
Data signal come through MII interfaces transmission that step 106, the exchange chip will receive is converted to suitable for being somebody's turn to do The data pattern that WIFI communication modules receive；
The exchange chip is transmitted the converted data signal come and sent to this by step 107, the WIFI communication modules Computer.
Each functional module in the present invention can combine existing software programming means under existing hardware condition Realized, therefore its concrete methods of realizing is not repeated at this.
Although the foregoing describing the embodiment of the present invention, it will be appreciated by those of skill in the art that these It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back On the premise of principle and essence from the present invention, various changes or modifications can be made to these embodiments, but these are changed Protection scope of the present invention is each fallen within modification.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210402466.5A CN103780282B (en) | 2012-10-19 | 2012-10-19 | A kind of data transmission method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210402466.5A CN103780282B (en) | 2012-10-19 | 2012-10-19 | A kind of data transmission method |
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| CN103780282A CN103780282A (en) | 2014-05-07 |
| CN103780282B true CN103780282B (en) | 2017-12-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10306076B2 (en) | 2016-08-15 | 2019-05-28 | The Directv Group, Inc. | Triplexer signal combiner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6493875B1 (en) * | 1997-02-19 | 2002-12-10 | Next Level Communications, Inc. | In-home wireless |
| CN201418139Y (en) * | 2009-04-27 | 2010-03-03 | 山东泰信电子有限公司 | Multifunctional bidirectional optical receiver |
| CN102300018A (en) * | 2011-08-02 | 2011-12-28 | 华数传媒网络有限公司 | Television, broadband and telephone transmission system based on cable television HFC (Hybrid Fiber-Coaxial) network |
| CN102448191A (en) * | 2011-11-16 | 2012-05-09 | 上海大亚科技有限公司 | EOC terminal equipment capable of realizing WIFI (Wireless Fidelity) function |
| CN202261272U (en) * | 2011-08-22 | 2012-05-30 | 青岛海信宽带多媒体技术有限公司 | Multifunctional EOC (Ethernet over Coax) terminal |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201210727Y (en) * | 2008-04-25 | 2009-03-18 | 上海润欣科技有限公司 | CATV synthetic access system |
| CN101364914B (en) * | 2008-05-20 | 2012-01-11 | 上海润欣科技有限公司 | Coaxial cable access and networking method based on HFC network |
| US9078033B2 (en) * | 2009-03-27 | 2015-07-07 | Guest Tek Interactive Entertainment Ltd. | Coax and IP hybrid digital TV and VOD system |
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2012
- 2012-10-19 CN CN201210402466.5A patent/CN103780282B/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6493875B1 (en) * | 1997-02-19 | 2002-12-10 | Next Level Communications, Inc. | In-home wireless |
| CN201418139Y (en) * | 2009-04-27 | 2010-03-03 | 山东泰信电子有限公司 | Multifunctional bidirectional optical receiver |
| CN102300018A (en) * | 2011-08-02 | 2011-12-28 | 华数传媒网络有限公司 | Television, broadband and telephone transmission system based on cable television HFC (Hybrid Fiber-Coaxial) network |
| CN202261272U (en) * | 2011-08-22 | 2012-05-30 | 青岛海信宽带多媒体技术有限公司 | Multifunctional EOC (Ethernet over Coax) terminal |
| CN102448191A (en) * | 2011-11-16 | 2012-05-09 | 上海大亚科技有限公司 | EOC terminal equipment capable of realizing WIFI (Wireless Fidelity) function |
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| CN103780282A (en) | 2014-05-07 |
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