Packet loss retransmission method and system
A technology for retransmission and retransmission of lost packets, applied in transmission systems, digital transmission systems, error prevention/detection using return channels, etc. Channel transmission efficiency and other issues to achieve the effect of improving data transmission efficiency and quality
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[0025] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0026] Considering that control signaling packets such as packet loss and retransmission requests are transmitted on the RTCP channel, the transmission resources occupied are very small. Compared with the RTP channel used to transmit normal RTP packets and retransmitted RTP packets, RTCP The amount of data transferred by the channel is small. The core idea of the present invention is to make full use of the relatively idle state of the RTCP channel, and put the retransmission packet on the RTCP channel for transmission, so as to reduce the amount of data transmission on the RTP channel and improve the efficiency and efficiency of data transmission between the sending end and the receiving end. transmission quality.
[0027] image 3 I...
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