CN103780282B - A kind of data transmission method - Google Patents
A kind of data transmission method Download PDFInfo
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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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Abstract
The invention discloses a kind of EOC terminal, data transmission system and method, the EOC terminal includes a frequency divider and a WIFI communication modules；The frequency divider is used to receive the data-signal including a video data signal and an IP data-signals for transmitting to come through a coaxial wire, 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.The present invention is by using same root coaxial wire transmitting video data signal and IP data-signals, neither influence the transmission of video data signal, broad band Integrated service can be exclusively enjoyed again, with good adaptability and flexibility, the present invention also has the advantages that to be easy to register one's residence construction, raising space availability ratio and easy to operate.
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)
1. a kind of data transmission method, it is characterised in that it uses a data transmission system to realize, the data transmission system includes
One 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 video data frequency range select 87MHz-
1000MHz, the IP data bands select 7.5MHz-67MHz；
The EOC terminal includes a frequency divider, an EOC modules, an exchange chip and a WIFI communication modules；
The frequency divider includes the video data signal and the IP numbers for receiving the EOC local sides through what coaxial wire transmission came
It is believed that number a data-signal, and by the data-signal based on video data band separation go out the video data signal and transmit to
The video equipment；
The EOC modules are used to be demodulated the IP data-signals that the frequency divider received is isolated, and pass through a modulus
The demodulated IP data-signals are converted to a data signal by converter, and then are passed the data signal by a MII interfaces
Transport to the exchange chip；
Data signal come through MII interfaces transmission that the exchange chip is used to receive is converted to communicate suitable for the WIFI
The data pattern that module receives, wherein, the converted data signal is by the port transmission of the exchange chip to compatible
The WIFI communication modules port；
Converted data signal that the WIFI communication modules are used to transmit the exchange chip is sent to the computer；
The data transmission method comprises the 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 and this through what the coaxial wire transmitted
The data-signal of IP data-signals；
The data-signal is gone out the video data signal based on the video data band separation and transmitted by step 103, the frequency divider
To the video equipment；
Step 104, the EOC modules are demodulated to the IP data-signals that the frequency divider received is isolated, and pass through one
The demodulated IP data-signals are converted to a data signal by analog-digital converter；
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 the WIFI
The data pattern that communication module receives, the converted data signal is by the port transmission of the exchange chip to compatible
The port of the WIFI communication modules；
The exchange chip is transmitted the converted data signal come and sent to the calculating by step 107, the WIFI communication modules
Machine.
2. data transmission method as claimed in claim 1, it is characterised in that the EOC local sides include an OFDM chips.
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 |
Applications Claiming Priority (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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| CN103780282A CN103780282A (en) | 2014-05-07 |
| CN103780282B true CN103780282B (en) | 2017-12-05 |
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| CN201210402466.5A Active CN103780282B (en) | 2012-10-19 | 2012-10-19 | A kind of data transmission method |
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Families Citing this family (1)
| 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 |
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| 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 |
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| 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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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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Effective date of registration: 20201113 Address after: 221700 4-1-110-shop, Nanyuan new town, Fengxian County, Xuzhou City, Jiangsu Province Patentee after: Song Yixiao Address before: Songjiang District shihudong Town Tower Road 201617 min 579 Lane Shanghai No. -26 Patentee before: Phicomm (Shanghai) Co.,Ltd. |