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In multi-hop wireless networks, if we know the packet reception rates of all links in the network, we can find the path with the minimum energy consumption. However, to obtain the packet reception rates with high accuracy, we need a number of exchanges of probe packets. Also, the energy consumption along a path depends on a routing method. In this paper, we consider three routing methods and evaluate...
Delay Tolerant Networks have been emerged to support intermittent connectivity of frequently partitioned networks. A routing issue of Delay Tolerant Networks is concerned about the extremely long delay of opportunistic intermittent connections. For considering routing protocols of Delay Tolerant Networks, a forwarding decision and the buffer management scheme are important to improve the successful...
In multi-hop wireless networks, we often encounter a situation where there are some candidate paths between source node S and destination node D, and have to choose a path from the candidates. Although ordinary routing protocols select paths with minimum hops, QoS (quality of service) routing protocols evaluate paths using measures of QoS, such as expected transmission count (ETX). In multi-hop wireless...
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