Ground digital multimedia TV broadcasting system |
Title: |
Ground digital multimedia TV broadcasting system |
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Application Number: |
00123597 |
Application Date: |
2000/08/25 |
Announcement Date: |
2001/03/21 |
Pub. Date: |
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Publication Number: |
1288330 |
Announcement Number: |
1118195 |
Grant Date: |
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Granted Pub. Date: |
2003-8-13 |
ApplicationType: |
Invention |
State/Country: |
11[China|beijing] |
IPC: |
H04N 7/015 |
Applicant(s): |
Qinghua Univ. |
Inventor(s): |
Yang Lin, Yang Zhixing |
Key Words: |
Ground, digital multimedia, TV broadcasting system |
Abstract: |
The invention provides a digital information transmission method and a ground digital multi-media TV broadcasting system using said method with a net controllation center, at least one transmitter and one receiver. The digital information transmission method are, to transmit at least first and second frames, each of them has binary bit or bit with selected numbers and includes signal frame sync segment which the length is selected at first and signal frame segment which the length is selected at second. The frame sync segment of first frame has selected bit mode and is different from the bit mode selected by the frame sync segment of second fram, at least one of the frame sync segments of first and second frames can be used for corresponding frame sync in time domain. |
Claim: |
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Priority: |
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PCT: |
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LegalStatus: |
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