Real-time multicast routing with optimal network cost
RTCSA '96 Proceedings of the Third International Workshop on Real-Time Computing Systems Application
Ad Hoc Networks: A Protocol for Supporting QoS Applications
IPDPS '03 Proceedings of the 17th International Symposium on Parallel and Distributed Processing
A priority MAC protocol to support real-time traffic in ad hoc networks
Wireless Networks
EURASIP Journal on Wireless Communications and Networking
Providing MAC QoS for multimedia traffic in 802.11e based multi-hop ad hoc wireless networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Multicast and unicast real-time video streaming over wireless LANs
IEEE Transactions on Circuits and Systems for Video Technology
Cooperative robot team navigation strategies based on an environment model
IROS'09 Proceedings of the 2009 IEEE/RSJ international conference on Intelligent robots and systems
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Support for real-time traffic and multi-hop is a basic requirement in certain applications as, for example, cooperative robot team missions. Normally, point-to-point communication is sufficient to allow such a collaboration. However, there exist situations in which multicast and/or broadcast capabilities, even with real-time requirements, allow a better usage of the available bandwidth leaving more time for unicast communications. This is the case, for example, in which a server generates real-time traffic that has to be delivered to a subset (that can be the whole set) of the nodes of the network. In this paper we present a solution to incorporate the capability of sending multicast messages in token-passing real-time wireless protocols. The solution has been implemented and tested as an extension of RT-WMP (a real-time wireless multi-hop protocol with priority management support). In addition, using these new characteristics, another type of unicast/multicast protocol is proposed, analyzed, evaluated and compared with the plain RT-WMP.