Network state estimation method based on packet loss rate
A technology of network status and packet loss rate, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve problems such as inability to correctly judge streaming media servers, bandwidth fluctuations, and affect video playback QoS, so as to eliminate random network interference , Reduce the impact time, the effect of smooth bit rate transition
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[0032]Random interference in the mobile communication network exists all the time, and it manifests as data packet loss, network delay and jitter in the application of mobile streaming media. On the premise that the data rate sent by the streaming media server is lower than the bandwidth of the mobile network, random interference has an impact on data transmission, resulting in network packet loss, and the packet loss rate should be within a certain reasonable range. For the network packet loss in this case, the streaming media server can better estimate the network condition and change the data transmission rate smoothly to ensure QoS by applying the filter represented by equation (1). If the packet loss rate fed back by the mobile terminal exceeds a certain reasonable range, it is considered that a bandwidth mutation has occurred and special handling is required.
[0033] During mobile streaming video playback, when the network condition is good, such as Y n-1 = 0, the sudd...
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