The flow of digital multimedia information in wireless networks has grown
exponentially due to the popularization of the IEEE 802.11 Standards as access
technology, as well as the increase of devices (clients) that operate in this standard.
High-resolution video streaming is also becoming commonplace in these networks,
driving the development of more efficient CODECs. In this context, some QoE and
QoS metrics must be met to deliver quality content to the end user. This dissertation
studies the behavior of wireless video streaming using the IEEE 802.11ac standard
operating in the 5.2 GHz range, the CODEC rated is the H.264 / AVC for the 720p,
1080p and 2160p resolutions. From the packet loss simulations during video transmission
an estimate of the average loss of PSNR for each resolution was developed,
finding the relation of the loss of video quality varying the resolution in function of
the loss of packets. The proposed model presented good results when compared to
the real data, obtaining RMSE of 2.32 dB and standard deviation of 2.2 dB. This
modeling can aid in communication network planning as well as enhancement of
new source encoders, resulting in a better quality of experience.
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