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This paper presents two energy-aware, load balanced routing schemes, called as maximum capacity path (MCP) scheme and MCP with path switching (MCP-PS) scheme, for sensor networks. In the MCP scheme, the sensor network is constructed into a layered network at first. Based on the layered network, every sensor node selects a shortest path with maximum capacity(More)
This paper proposes three energy efficient scheduling approaches for 802.16e broadband wireless networks. Instead of considering a single Mobile Subscriber Station (MSS) as most of the current researchers do, multiple MSSs are considered in our work. The constant bit rate traffic with QoS delay constraint is considered in this paper. The proposed approaches(More)
We propose a novel data collection architecture, called Ring-based Information Collection Architecture (RICA), for sensor networks. In the RICA scheme, sensors are organised into a ring. According to our study, the transmission delay time of data collection in a ring is only a half of that in PEGASIS, in which sensors are organised into a chain. We present(More)
In this paper, we proposed a long-life, shortest path routing method for interval-vehicle communication. Firstly, we form the inter-vehicle network into the layered network to construct the shortest path. Next, we deduce the link with maximal lifetime between two directly linked vehicles according to their velocities and moving directions. Furthermore, the(More)
Internet protocol television viewers spend considerable time browsing through the many existing channels, which is inefficient and time consuming. Although the recommendation system can solve the channel-switching problem, its performance is slow unless it is adapted to read a large amount of data sets. This study proposes a novel cloud-assisted(More)
This paper proposes self-deploying approaches for sensor networks. The gravitational field (GF) and the radioactive decay (RD) are used to model the repulsion forces between sensor nodes. The Received Signal Strength (RSS) is transformed to the repulsion force for computing the next move distance and direction. The GF approach reduces the power consumption(More)