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– In this paper, we apply a Raptor code-based forward error correcting scheme right above the medium access control (MAC) layer in order to ensure the reliability of the video multicast over IEEE 802.11 wireless LANs (WLANs). Both Raptor code rate and physical layer (PHY) transmission rate are dynamically adapted according to the channel condition. We(More)
In this paper, we propose a scheme, called Video Packet Adaptation Layer (VPAL), for reliable video mul-ticast over the IEEE 802.11n WLAN. VPAL is composed of (1) Raptor coding for reliable video transmission , (2) header compression and (3) packet aggregation, both for efficient video transmission. Most of the VPAL functionalities reside above the emerging(More)
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