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Clustering offers a kind of hierarchical organization to provide scalability and basic performance guarantee by partitioning the network into disjoint groups of nodes. In this paper an energy efficient clustering algorithm is proposed under large-scale mobile sensor networks scenario. In the initial cluster formation phase, our proposed scheme features a simple execution process, which has a time...
Wireless sensor network is a new information acquisition and processing technology, which is widely used in monitoring systems. Taking into account that the physical topology of the mine is relatively fixed, as well as that the energy can be added to the mobile nodes, in this paper we propose an energy-efficient wireless sensor network routing algorithm to adapt to the mine environment. Demonstrated...
Collecting data from source sensor nodes to designated sinks is a common and challenging task in a wide spectrum of sensor network applications, ranging from animal monitoring to security surveillance. A number of approaches exploiting sink mobility have been proposed in recent years: some are proactive, in that sensor nodes push their readings to storage nodes from where they are collected by roaming...
Mobile agents (MAs) have been initially developed to replace the client/server model which shows many disadvantages in WSN environments (e.g. very high bandwidth and energy utilization). Herein, we present CBID (Clone-Based Itinerary Design), a novel algorithm that calculates near-optimal routes for MAs that incrementally fuse the data as they visit the nodes while enabling a fast update of designed...
A major challenge in the design of wireless ad hoc networks is the need for distributed routing algorithms that consume a minimal amount of network resources. This is particularly important in dynamic networks, where the topology can change over time, and therefore routing tables must be updated frequently. Such updates incur control traffic, which consumes bandwidth and power.
This paper proposes a fast forward medium access control protocol (FFMAC) for quality-of-service (QoS) guarantee in multihop IEEE 802.11s wireless mesh networks with multiple channels. To the best of our knowledge, the proposed protocol is the first one which considers the multihop and multichannel issues simultaneously. It provides higher priority for real-time applications, while remaining the distributed...
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