Video wireless transmission control method suitable for CDMA2000
A wireless transmission and control method technology, which is applied in the direction of pulse modulation TV signal transmission, wireless communication, transmission system, etc., to achieve the effect of realizing congestion control and overcoming high bit errors
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[0031] The present invention will be further described below in conjunction with the accompanying drawings.
[0032] refer to figure 1 and figure 2 , a kind of video wireless transmission control method applicable to CDMA2000, described video wireless transmission control method comprises the following steps:
[0033] 1) Adopt CDMA2000 EVDO as the wireless access method;
[0034] 2) Re-encapsulate the H.264 video stream based on the real-time transport protocol RTP. When there is H.264 data to be sent, obtain the data of a network abstraction layer NAL unit; if the length of the network abstraction layer NAL unit is less than the maximum transmission of RTP Unit MTU, then send it in a package; otherwise, it needs to be sent in packets, and when sending packets, judge whether it is the first packet of FU-A. A packet, if it is, add the end header of FU-A and send it, otherwise add the header of the middle packet of FU-A and send it; judge whether the subpackage is completed,...
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