Real time guarantee of aperiodic packets in single hop ad hoc wireless networks
2005
Building real-time applications on 802.11 wireless networks is challenging because the medium access protocol is distributed and nodes contend for the channel nondeterministically. So far all attempts at providing real-time services in 802.11 require restrictive traffic assumptions such as periodicity. In this paper we describe distributed admission control, a modification to 802.11 that, when used with distributed prioritization, provides real-time guarantees for aperiodic packets. We show that barring external errors such as interference on the channel or incorrect priority scheduling this protocol guarantees deadlines will be met.
Keywords:
- Optimized Link State Routing Protocol
- Real-time computing
- Radio resource management
- Wireless network
- Ad hoc wireless distribution service
- Wireless Routing Protocol
- Multiple Access with Collision Avoidance for Wireless
- Vehicular ad hoc network
- Wireless ad hoc network
- Computer network
- Distributed computing
- Computer science
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