P-persistent queue management to overcome channel failures in IEEE 802.11 networks for real-time multimedia streaming

Authors:
Andrey Guschin;Evgeny Khorov;Anton Kiryanov;Andrey Lyakhov;Alexander Safonov
Affiliations:
Institute for Information Transmission Problems of Russian Academy of Sciences (IITP RAS), Moscow, Russia;Institute for Information Transmission Problems of Russian Academy of Sciences (IITP RAS), Moscow, Russia;Institute for Information Transmission Problems of Russian Academy of Sciences (IITP RAS), Moscow, Russia;Institute for Information Transmission Problems of Russian Academy of Sciences (IITP RAS), Moscow, Russia;Institute for Information Transmission Problems of Russian Academy of Sciences (IITP RAS), Moscow, Russia
Venue:
WiFlex'13 Proceedings of the First international conference on Wireless Access Flexibility
Year:
2013

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Abstract

In the paper, we consider real-time video streaming over an IEEE 802.11 network in the presence of short-term channel failures. The failures can dramatically decrease the received video quality at all network stations, even if the channel fails for one station only. In order to assist real-time video traffic to overcome short-term channel failures and to minimize video quality damage, we present the p-persistent queue management policy and propose a strategy for adaptive tuning the values of probabilities p assigned to queued packets.