CN103379342B - Digital TV network and mobile communications network gapless data transmission system and method - Google Patents
Digital TV network and mobile communications network gapless data transmission system and method Download PDFInfo
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- CN103379342B CN103379342B CN201210129471.3A CN201210129471A CN103379342B CN 103379342 B CN103379342 B CN 103379342B CN 201210129471 A CN201210129471 A CN 201210129471A CN 103379342 B CN103379342 B CN 103379342B
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Abstract
A kind of digital TV network and mobile communications network gapless data transmission system.The system is received digital television signal from digital TV network and the decoded bit error rate of digital television signal is detected with first frequency.When the decoded bit error rate detected with first frequency is continuously more than the first threshold value, the decoded bit error rate of digital television signal is detected with second frequency and detects the average signal strength of mobile communications network.When the decoded bit error rate detected with second frequency is continuously more than the second threshold value and average signal strength is continuously more than three threshold values, the network connection with multimedia server is established by mobile communications network and receives multi-medium data from multimedia server.The present invention also provides a kind of digital TV network and mobile communications network gapless data transmission method.
Description
Technical field
The present invention relates to a kind of data transmission system and method, especially with regard to a kind of digital TV network and mobile communication
Network seamless formula data transmission system and method.
Background technology
At present, many electronic equipments（Such as mobile phone or multi-media player）All provide and receive digital television signal to play
The function of digital television program.User can watch number out of doors or in the case of movement by receiving digital television signal
Word TV programme.However, digital television transmissions base station now build dense population areas in mostly, its target is to cover city and city
The population in town, and it is not high for the coverage rate in suburb.User can also utilize the data transport service of mobile communications network to receive
The multi-medium data synchronous with digital television signal, digital television program is watched according to the multi-medium data.How in digital electricity
Gapless data transfer is carried out between view network and mobile communications network to obtain preferably viewing quality, turns into and currently urgently solves
Certainly the problem of.
The content of the invention
In view of the foregoing, it is necessary to which a kind of digital TV network and mobile communications network gapless data transmission system are provided
System, it is possible to increase the viewing quality of digital television program.
A kind of digital TV network and mobile communications network gapless data transmission method, energy are provided in addition, there is a need to
Enough improve the viewing quality of digital television program.
A kind of digital TV network and mobile communications network gapless data transmission system, run in electronic equipment, institute
State electronic equipment to communicate to connect with digital TV network and mobile communications network, the system includes：First receiving module, for from
Digital TV network receives digital television signal, and digital television program is played according to the digital television signal of reception；First detection
Module, for detecting the decoded bit error rate of digital television signal with first frequency；Second detection module, for when with first frequency
When the decoded bit error rate of the digital television signal of detection is continuously more than the first threshold value, digital television signal is detected with second frequency
Decoded bit error rate, and detect the average signal strength of mobile communications network；And second receiving module, for when with second frequency
The decoded bit error rate of the digital television signal of detection is continuously more than the second threshold value and the average signal strength of mobile communications network
When being continuously more than three threshold values, the network connection with multimedia server is established by mobile communications network, according to reception
Digital television signal obtain television channel relevant information, according to the relevant information of television channel from multimedia server receive with
The synchronous multi-medium data of digital television signal, and digital television program is played according to the multi-medium data of reception.
A kind of digital TV network and mobile communications network gapless data transmission method, run in electronic equipment, institute
State electronic equipment to communicate to connect with digital TV network and mobile communications network, this method includes：First receiving step, from numeral
TV network receives digital television signal, and digital television program is played according to the digital television signal of reception；First detecting step,
With the decoded bit error rate of first frequency detection digital television signal；Second detecting step, when the numeral electricity detected with first frequency
Depending on signal decoded bit error rate it is continuous be more than the first threshold value when, with the decoding error code of second frequency detection digital television signal
Rate, and detect the average signal strength of mobile communications network；And second receiving step, when the DTV detected with second frequency
The decoded bit error rate of signal is continuously continuously more than the 3rd more than the second threshold value and the average signal strength of mobile communications network
During limit value, the network connection with multimedia server is established by mobile communications network, obtained according to the digital television signal of reception
The relevant information of television channel is obtained, it is same with digital television signal from multimedia server reception according to the relevant information of television channel
The multi-medium data of step, and digital television program is played according to the multi-medium data of reception.
The present invention detects digital television signal with first frequency first, when the digital television signal detected with first frequency becomes
When poor, then with second frequency detection digital television signal and the signal of mobile communications network, when the numeral detected with second frequency
When TV signal is persistently deteriorated and mobile communications network signal is good, net is established by mobile communications network and multimedia server
Network connects and receives multi-medium data from multimedia server.Such scheme ensure that electronic equipment is good in digital television signal
Shi Youxian receives digital television signal from digital TV network, is just connect only when digital television signal is deteriorated from mobile communications network
Receive multi-medium data.Because electronic equipment reception digital television signal power consumption is low and cheap, so as to ensure rating quality
While realize power saving and low expense.
Brief description of the drawings
Fig. 1 be digital TV network of the present invention and mobile communications network gapless data transmission system preferred embodiment should
Use environment schematic.
Fig. 2 is digital TV network and the function mould of mobile communications network gapless data transmission system in Fig. 1 of the present invention
Block figure.
Fig. 3 is digital TV network of the present invention and the stream of mobile communications network gapless data transmission method preferred embodiment
Cheng Tu.
Main element symbol description
| Digital TV network and mobile communications network gapless data transmission system | 10 |
| Electronic equipment | 11 |
| Digital TV network | 12 |
| Mobile communications network | 13 |
| Multimedia server | 14 |
| Digital TV signal receiver | 15 |
| Storage device | 16 |
| Display device | 17 |
| Processor | 18 |
| First receiving module | 200 |
| First detection module | 210 |
| Second detection module | 220 |
| Second receiving module | 230 |
| 3rd detection module | 240 |
| Disconnect module | 250 |
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
As shown in fig.1, it is that digital TV network of the present invention and mobile communications network gapless data transmission system are preferable
The application environment schematic diagram of embodiment.The digital TV network is run with mobile communications network gapless data transmission system 10
In electronic equipment 11.The electronic equipment 11 communicates to connect with digital TV network 12 and mobile communications network 13.The numeral
TV network 12 is used to send digital television signal.The mobile communications network 13 is also connected with multimedia server 14, more matchmakers
Body server provides the multi-medium data synchronous with digital television signal.Electronic equipment 11 includes digital TV signal receiver
15th, storage device 16, display device 17 and processor 18.The digital TV signal receiver 15 is used to receive the numeral electricity
Depending on signal.The storage device 16 is used to store digital TV network and mobile communications network gapless data transmission system 10
Data needed for computerization program code and running.The display device 17 is used to show according to the DTV
The digital television program of signal or digital TV multimedia data playback.The processor 18 performs the computerization program generation
Code, to realize the gapless data transfer of digital TV network and mobile communications network.The electronic equipment 11 can be mobile phone,
Multi-media player or other there is the device of mobile communication and multi-media player function.
As shown in fig.2, it is digital TV network and the work(of mobile communications network gapless data transmission system 10 in Fig. 1
Can module map.The digital TV network includes the first receiving module with mobile communications network gapless data transmission system 10
200th, first detection module 210, the second detection module 220, the second receiving module 230, the 3rd detection module 240 and disconnection module
250。
First receiving module 200 is used to receive digital television signal using digital TV signal receiver 15, according to
The digital television signal of reception plays digital television program on the display device 17 of electronic equipment 11.
The first detection module 210 is used for the decoded bit error rate that digital television signal is detected with first frequency.In this reality
Apply in example, the first frequency be it is per minute once.The first detection module 210 is additionally operable to judge with first frequency detection
Whether the decoded bit error rate of digital television signal is continuous（Such as continuously three times）More than the first threshold value.In the present embodiment, institute
The first threshold value is stated as 20%.
Second detection module 220 is used for when continuous with the decoded bit error rate of the digital television signal of first frequency detection
During more than the first threshold value, the decoded bit error rate of digital television signal is detected with second frequency, is judged with second frequency detection
Whether the decoded bit error rate of digital television signal is continuous（Such as continuous four times）More than the second threshold value.Second detection module
220 are additionally operable to detect the average signal strength of mobile communications network 13, and judging the average signal strength of mobile communications network 13 is
It is no continuous（Such as continuous four times）More than the 3rd threshold value.In the present embodiment, the second frequency is more than the first frequency,
For example, the second frequency be every 30 seconds once.Second threshold value is more than first threshold value, for example, described second
Threshold value is 50%.In the present embodiment, the 3rd threshold value is -95dbm.In the present embodiment, the second detection module 220
The decoded bit error rate of digital television signal and the average signal strength of mobile communications network 13 are detected with second frequency simultaneously, with contracting
Short detection time.In other examples, the second detection module 220 first can detect digital television signal with second frequency
Decoded bit error rate, when the decoded bit error rate of the digital television signal detected with second frequency is continuous is more than the second threshold value, then
With the average signal strength of second frequency or other frequency detecting mobile communications networks 13.
Second receiving module 230 is used for when continuous with the decoded bit error rate of the digital television signal of second frequency detection
It is continuous more than the second threshold value and the average signal strength of mobile communications network 13 when being more than three threshold values, pass through mobile communication
Network 13 establishes the network connection with multimedia server 14.Second receiving module 230 is additionally operable to the numeral according to reception
TV signal obtains the relevant information of television channel, and more matchmakers are received from multimedia server 14 according to the relevant information of television channel
Volume data, and digital television program is played on the display device 17 of electronic equipment 11 according to the multi-medium data of reception.It is described
The relevant information of television channel indicates that what user currently watched is the TV programme of which channel.
3rd detection module 240 is used for the decoded bit error rate of the 3rd frequency detecting digital television signal, and/or inspection
Survey the average signal strength of mobile communications network 13.In the present embodiment, the 3rd frequency is identical with second frequency, is, for example,
Every 30 seconds once.3rd detection module 240 is additionally operable to judge the decoding mistake with the digital television signal of the 3rd frequency detecting
Whether code check is continuous（Such as continuous four times）Less than the 4th threshold value, and/or judge that the average signal of mobile communications network 13 is strong
Whether degree is continuously less than the 5th threshold value.In the present embodiment, the 4th thresholding is equal to the first thresholding, for example, 20%, described
5th threshold value is -98dbm.
The disconnection module 250 is used to work as continuously to be less than with the decoded bit error rate of the digital television signal of the 3rd frequency detecting
4th threshold value, and/or the average signal strength of mobile communications network 13 are continuous when being less than five threshold values, disconnection and multimedia
The network connection of server 14, re-use digital TV signal receiver 15 and receive digital television signal, and according to reception
Digital television signal plays digital television program on the display device 17 of electronic equipment 11.
As shown in fig.3, it is that digital TV network of the present invention and mobile communications network gapless data transmission method are preferable
The flow chart of embodiment.
Step S301, the first receiving module 200 are received using digital TV signal receiver 15 from digital TV network 12
Digital television signal, DTV section is played on the display device 17 of electronic equipment 11 according to the digital television signal of reception
Mesh.
Step S302, first detection module 210 detect the decoded bit error rate of digital television signal with first frequency.In this reality
Apply in example, the first frequency be it is per minute once.
Step S303, first detection module 210 are judged with the decoded bit error rate of the digital television signal of first frequency detection
It is whether continuous（Such as continuously three times）More than the first threshold value.In the present embodiment, first threshold value is 20%.If with
The decoded bit error rate of the digital television signal of one frequency detecting is not more than the first threshold value continuously, then return to step S302.
If the first threshold value, step are continuously more than with the decoded bit error rate of the digital television signal of first frequency detection
S304, the second detection module 220 detect the decoded bit error rate and mobile communications network of digital television signal with second frequency simultaneously
13 average signal strength.In the present embodiment, the second frequency be every 30 seconds once.
Step S305, the second detection module 220 are judged with the decoded bit error rate of the digital television signal of second frequency detection
It is whether continuous（Such as continuous four times）More than the second threshold value.In the present embodiment, second threshold value is 50%.If with
The decoded bit error rate of the digital television signal of two frequency detectings is not more than the second threshold value continuously, then return to step S304.
If the second threshold value, step are continuously more than with the decoded bit error rate of the digital television signal of second frequency detection
S306, the second detection module 220 judge whether the average signal strength of mobile communications network 13 is continuous（Such as continuous four times）Greatly
In the 3rd threshold value.In the present embodiment, the 3rd threshold value is -95dbm.If the average signal of mobile communications network 13 is strong
Degree is not more than the 3rd threshold value continuously, then return to step S304.
If the 3rd threshold value, step are continuously more than with the average signal strength of the mobile communications network 13 of second frequency detection
S307, the second receiving module 230 establish the network connection with multimedia server 14 by mobile communications network 13.
Step S308, the second receiving module 230 obtain the relevant information of television channel according to the digital television signal of reception.
The relevant information of the television channel indicates that what user currently watched is the TV programme of which channel.
Step S309, the second receiving module 230 receive more according to the relevant information of television channel from multimedia server 14
Media data, and digital television program is played on the display device 17 of electronic equipment 11 according to the multi-medium data of reception.
Step S310, the 3rd detection module 240 is with the decoded bit error rate of the 3rd frequency detecting digital television signal.In this reality
Apply in example, the 3rd frequency be every 30 seconds once.
Step S311, the 3rd detection module 240 are judged with the decoded bit error rate of the digital television signal of the 3rd frequency detecting
It is whether continuous（Such as continuous four times）Less than the 4th threshold value.In the present embodiment, the 4th threshold value is 20%.If with
The decoded bit error rate of the digital television signal of three frequency detectings is not less than the 4th threshold value continuously, then return to step S310.
If the 4th threshold value, step are continuously less than with the decoded bit error rate of the digital television signal of the 3rd frequency detecting
S312, the disconnection of module 250 and the network connection of multimedia server 14 are disconnected, re-use digital TV signal receiver 15 and connect
Digital television signal is received, and DTV is played on the display device 17 of electronic equipment 11 according to the digital television signal of reception
Program.
In embodiment illustrated in fig. 3, the second detection module 220 is judged with the decoding of the digital television signal of second frequency detection
Whether the bit error rate is continuously more than the second threshold value（Step S305）If missed with the decoding of the digital television signal of second frequency detection
When code check is not more than the second threshold value continuously, then return to step S304, the second detection module 220 continue to detect with second frequency
The decoded bit error rate of digital television signal and the average signal strength of mobile communications network 13.In other examples, if with
The decoded bit error rate of the digital television signal of second frequency detection is not more than the second threshold value, the second detection module 220 continuously
It can determine whether continuous with the decoded bit error rate of the digital television signal of second frequency detection（Such as continuous four times）
Less than the first threshold value；If being continuously less than the first threshold value with the decoded bit error rate of the digital television signal of second frequency detection,
Then return to step S302；Otherwise, if being continuously less than the with the decoded bit error rate of the digital television signal of second frequency detection
One threshold value, then return to step S304.
In embodiment illustrated in fig. 3, the 3rd detection module 240 is with the decoded bit error rate of the 3rd frequency detecting digital television signal
（Step S310）, when being continuously less than four threshold values with the decoded bit error rate of the digital television signal of the 3rd frequency detecting, break
The disconnection of block 250 and the network connection of multimedia server 14 are molded, digital TV signal receiver 15 is re-used and receives numeral
TV signal.In other examples, the 3rd detection module 240 can not also detect the decoding error code of digital television signal
Rate, but the average signal strength of mobile communications network 13 is detected, when the average signal strength of mobile communications network 13 is continuously small
When five threshold values, the disconnection of module 250 and the network connection of multimedia server 14 are disconnected, re-uses digital television signal
Receiver 15 receives digital television signal.Or the 3rd detection module 240 can be both with the 3rd frequency detecting digital television signal
Decoded bit error rate, and the average signal strength of mobile communications network 13 is detected, when with the DTV of the 3rd frequency detecting
The decoded bit error rate of signal is continuously continuously less than the less than the 4th threshold value and the average signal strength of mobile communications network 13
During five threshold values, the disconnection of module 250 and the network connection of multimedia server 14 are disconnected, digital television signal is re-used and receives
Device 15 receives digital television signal.3rd detection module 240 can be with the 3rd frequency or other frequency detecting mobile radio communications
The average signal strength of network 13.
The present invention is first with lower frequency（First frequency）Digital television signal is detected, when the numeral detected with lower frequency
When TV signal is deteriorated, then with upper frequency（Second frequency）The signal of digital television signal and mobile communications network 13 is detected,
When the digital television signal detected with upper frequency is persistently deteriorated and the signal of mobile communications network 13 is good, with multimedia service
Device 14 establishes network connection and receives multi-medium data from multimedia server.In addition, the present invention improves in digital television signal
And/or during the signal of mobile communications network 13 variation, receive digital television signal from digital TV network 12 again.Such scheme is protected
Demonstrate,prove electronic equipment 11 and preferentially received digital television signal from digital TV network 12 when digital television signal is good, only work as number
Just multi-medium data is received when word TV signal is deteriorated from mobile communications network 13.Because electronic equipment 11 receives DTV letter
Number power consumption is low and cheap, so as to realize power saving and low expense while rating quality is ensured.
Claims (10)
1. a kind of digital TV network and mobile communications network gapless data transmission system, run in electronic equipment, described
Electronic equipment communicates to connect with digital TV network and mobile communications network, it is characterised in that the system includes：
First receiving module, for receiving digital television signal from digital TV network, broadcast according to the digital television signal of reception
Put digital television program；
First detection module, for detecting the decoded bit error rate of digital television signal with first frequency；
Second detection module, for when continuous more than first with the decoded bit error rate of the digital television signal of first frequency detection
During limit value, the decoded bit error rate of digital television signal is detected with second frequency, and the average signal for detecting mobile communications network is strong
Degree；And
Second receiving module, for when continuous more than second with the decoded bit error rate of the digital television signal of second frequency detection
When the average signal strength of limit value and mobile communications network is continuously more than three threshold values, established by mobile communications network and more
The network connection of media server, the relevant information of television channel is obtained according to the digital television signal of reception, according to TV frequency
The relevant information in road receives the multi-medium data synchronous with digital television signal from multimedia server, and according to more matchmakers of reception
Volume data plays digital television program.
2. digital TV network as claimed in claim 1 and mobile communications network gapless data transmission system, its feature exist
In the system also includes：
3rd detection module, for the decoded bit error rate of the 3rd frequency detecting digital television signal, and/or detection mobile communication
The average signal strength of network；And
Module is disconnected, the 4th thresholding is continuously less than with the decoded bit error rate of the digital television signal of the 3rd frequency detecting for working as
Value, and/or the average signal strength of mobile communications network are continuous when being less than five threshold values, disconnect and the net of multimedia server
Network connects, and receives digital television signal from digital TV network again, and play numeral electricity according to the digital television signal of reception
Depending on program.
3. digital TV network as claimed in claim 1 and mobile communications network gapless data transmission system, its feature exist
In the second frequency is more than the first frequency, and second threshold value is more than first threshold value.
4. digital TV network as claimed in claim 1 and mobile communications network gapless data transmission system, its feature exist
The decoded bit error rate and mobile communications network of digital television signal are detected with second frequency simultaneously in, second detection module
Average signal strength.
5. digital TV network as claimed in claim 1 and mobile communications network gapless data transmission system, its feature exist
In second detection module is additionally operable to when no continuous big with the decoded bit error rate of the digital television signal of second frequency detection
When the second threshold value, judge whether be continuously less than first with the decoded bit error rate of the digital television signal of second frequency detection
Limit value, if being less than the first threshold value, first inspection so that the decoded bit error rate of the digital television signal of second frequency detection is continuous
The decoded bit error rate that module detects digital television signal with first frequency is surveyed, if with the digital television signal of second frequency detection
Decoded bit error rate is not less than the first threshold value continuously, and second detection module detects DTV simultaneously with second frequency to be believed
Number decoded bit error rate and mobile communications network average signal strength.
6. a kind of digital TV network and mobile communications network gapless data transmission method, run in electronic equipment, described
Electronic equipment communicates to connect with digital TV network and mobile communications network, it is characterised in that this method includes：
First receiving step, digital television signal is received from digital TV network, and number is played according to the digital television signal of reception
Word TV programme；
First detecting step, the decoded bit error rate of digital television signal is detected with first frequency；
Second detecting step, when the decoded bit error rate of the digital television signal detected with first frequency is continuously more than the first threshold value
When, the decoded bit error rate of digital television signal is detected with second frequency, and detect the average signal strength of mobile communications network；And
Second receiving step, when the decoded bit error rate of the digital television signal detected with second frequency is continuously more than the second threshold value
And the average signal strength of mobile communications network is continuous when being more than three threshold values, passes through mobile communications network foundation and multimedia
The network connection of server, the relevant information of television channel is obtained according to the digital television signal of reception, according to television channel
Relevant information receives the multi-medium data synchronous with digital television signal from multimedia server, and according to the multimedia number of reception
According to broadcasting digital television program.
7. digital TV network as claimed in claim 6 and mobile communications network gapless data transmission method, its feature exist
In this method also includes：
3rd detecting step, with the decoded bit error rate of the 3rd frequency detecting digital television signal, and/or detection mobile communications network
Average signal strength；And
Break step, when being continuously less than the 4th threshold value with the decoded bit error rate of the digital television signal of the 3rd frequency detecting, and/
Or the average signal strength of mobile communications network is continuous when being less than five threshold values, disconnects and the network of multimedia server company
Connect, receive digital television signal from digital TV network again, and DTV section is played according to the digital television signal of reception
Mesh.
8. digital TV network as claimed in claim 6 and mobile communications network gapless data transmission method, its feature exist
In the second frequency is more than the first frequency, and second threshold value is more than first threshold value.
9. digital TV network as claimed in claim 6 and mobile communications network gapless data transmission method, its feature exist
The decoded bit error rate and mobile communications network of digital television signal are detected with second frequency simultaneously in, second detecting step
Average signal strength.
10. digital TV network as claimed in claim 6 and mobile communications network gapless data transmission method, its feature exist
In, when the decoded bit error rate of the digital television signal detected with second frequency is not continuously more than the second threshold value, described
Two detecting steps also judge whether be continuously less than the first thresholding with the decoded bit error rate of the digital television signal of second frequency detection
Value, if being continuously less than the first threshold value with the decoded bit error rate of the digital television signal of second frequency detection, examined with first frequency
The decoded bit error rate of digital television signal is surveyed, if not continuous with the decoded bit error rate of the digital television signal of second frequency detection
Less than the first threshold value, the decoded bit error rate of digital television signal and being averaged for mobile communications network are detected with second frequency simultaneously
Signal intensity.
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| CN201210129471.3A CN103379342B (en) | 2012-04-28 | 2012-04-28 | Digital TV network and mobile communications network gapless data transmission system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210129471.3A CN103379342B (en) | 2012-04-28 | 2012-04-28 | Digital TV network and mobile communications network gapless data transmission system and method |
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| CN103379342B true CN103379342B (en) | 2018-03-20 |
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