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In recent years, along with the increasing popularity of multi-hop wireless networks, there has been a growing demand in the coupling of these networks to external ones such as the Internet. As traffic destined for external networks increases, special attention is required not only in gateway selection, but also in optimized routing and scheduling in order to maximize the network performance. In this...
When designing distributed wireless networks utilizing shared bandwidth, a critical issue is allocating spatial and temporal resources to streaming information flows. We focus on large networks of half-duplex terminals sharing common bandwidth, and study methods for allocating resources on a fine-grained temporal basis, with specific emphasis on managing the interactions between streams of packets...
Recent advances in the physical layer have enabled the simultaneous reception of multiple packets by a node in wireless networks. In this paper, we present a generalized model for the throughput optimization problem in multi-hop wireless networks that support multi-packet reception (MPR) capability. The model incorporates the multi-access channel, which accurately accounts for the achievable capacity...
This paper considers the joint routing and scheduling problem in wireless networks with lossy channels. In order to combat channel loss, packets are assumed to be transmitted by nodes using broadcast, instead of traditional point-to-point communication. We first analyze the network capacity region, and then propose a back-pressure routing with max-weight scheduling algorithm to achieve it. The proposed...
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