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Leader-based protocols have been proposed for wireless networks such as 802.11 as an alternative approach to MAC layer ARQ. If based on feedback cancellation, such protocols may achieve low latency and high throughput at predictable reliability and superior scalability with respect to the number of subscribers. Especially for delay-bounded multicast A/V transmission these properties are highly desirable...
These special characteristics such as distributed, multi-hop, self-organizing, dynamic topology, time-variant channels, and limited resources etc make the traditional routing algorithms or protocols for wired networks and centered wireless networks canpsilat be used in mobile ad hoc networks directly. So the appropriative multicast routing algorithms or protocols for mobile ad hoc networks must be...
Internet Protocol Television (IPTV) over IEEE 802.11 Wireless LANs, which are considered today as the de-facto wireless access network for local distribution (home networks, hotspots), brings forth a big challenge to guarantee high quality multicast/broadcast delivery over unreliable and time-variant wireless channels. However, in IEEE 802.11 Wireless LANs, current standard MAC layer protocols do...
In IEEE 802.11 Wireless LANs current standard MAC layer protocols do not provide any error correction scheme for broadcast/multicast. In our previous work, we enhanced a Leader Based Protocol (LBP) and proposed a Beacon-driven Leader Based Protocol (BLBP) for the MAC layer multicast error control. In this paper, we combine BLBP and packet level Forward Error Correction (FEC) and propose a Hybrid Leader...
In Wireless LANs MAC layer multicast error control schemes lead to shorter delays compared with application layer schemes. In this paper, we enhance a Leader Based Protocol (LBP) and propose a Beacon-driven Leader Based Protocol (BLBP) for the MAC layer multicast error control. Like LBP, BLBP selects one of the multicast group receivers as the leader and allows acknowledgement and negative acknowledgements...
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