| Publisher | University of Rochester | ||
|---|---|---|---|
| Format | 379.1KB PDF | Date added | 23 Aug 2005 |
| Topics | Switching, Frame Relay, Mobile - Wireless Communications | ||
| Downloads | 7 | ||
This paper presents NB-TRACE, which is an energy-efficient network-wide voice broadcasting architecture for mobile ad hoc networks. In the NB-TRACE architecture, the network is organized into overlapping clusters through a distributed algorithm, where the clusterheads create a non-connected dominating set. Channel access is regulated through a distributed TDMA scheme maintained by the clusterheads. The first group of packets of a broadcast session is broadcasted through flooding, where each data rebroadcast is preceded by an acknowledgement to the upstream node. Nodes that do not get an acknowledgement for a predetermined time, except the clusterheads, cease to rebroadcast, which prunes the redundant retransmissions.
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