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Topology control is important for heterogeneous sensor networks in order to minimize the total network power consumption under the constraint that all sensor nodes’ connectivity requirements are satisfied. To address this issue, an optimization problem is first formulated, which is formally proved to be NP-hard. For practical applications, an effective solution, named topology adaptation algorithm...
Due to potential heterogeneity in criticality of sensing data, machine-to-machine (M2M) networks are required to provide multi-level connectivity to the sink for device nodes. In this paper, topology control is discussed for M2M networks consisting of two different types of device nodes, called supernodes and ordinary nodes. Supernodes are required to have k node-disjoint paths to the sink while ordinary...
In this paper, we present UAV-aided Cross-Layer Routing Protocol (UCLR) that aims at improving the routing performance of a ground MANET network with aid from an Unmanned Aerial Vehicle (UAV). The UAV is added to a connected backbone formed by a collection of designated nodes in order to combat link failures and wireless link effects detected at PHY/MAC layers before the routing table adapts to the...
Wireless link effects impose unique challenges to routing protocols in Mobile Ad Hoc Networks (MANETs). In this paper, we propose Hybrid Cross-Layer Routing (HCLR) protocol designed and implemented based on the premise of being able to leverage a pair of proactive and reactive routing schemes. While the former is used to avoid long routing discovery latencies, the latter is used to compensate against...
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