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Emerging information-centric networking architectures drives a wider focus of content caching mechanisms. Most recent efforts have been attempting for server and user friendliness, i.e., reduction in content-server load and content-delivery time. Those solutions require the prior knowledge of cache state and content popularity exchanged among routers. Challenging tasks are pushed to routers since...
Most work in vehicular ad hoc network focuses on an efficient mechanism to deliver data. These mechanisms need a beacon to exchange all necessary information between neighbors. Although a beacon is a small packet that is periodically broadcast to maintain accuracy, too much information can cause a bulky beacon. This leads to a contention problem due to limited resources in wireless networks. Many...
We address the optimal sink scheduling problem in wireless sensor networks (WSNs). The problem is inherently difficult since sink scheduling and data routing are tightly coupled. Previous approaches either have questionable performance due to no joint considerations, or are based on relaxed constraints. Our aim is to fill in this blank in the research. First, by discretizing continuous time, we develop...
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