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Wireless Sensor Networks (WSNs) is a key area of new investments and investigations. Quality of Service (QoS) is an important requirement for this networks. In this survey, we firstly introduce WSNs briefly. Then, We propose the existence of Qos issue on both network layer and MAC layer, as well as the existence of solutions, especially to MAC layer. Finally, we propose a network topology and a MAC...
To construct energy optimal Internet, a new traffic engineering concept aggregating traffic into specific links and dynamically powering off interfaces of routers/switches should be introduced. This paper proposes a network topology design algorithm and examines link power management.
We present a concrete methodology for saving energy in future and contemporary cellular networks. It is based on re-arranging the user-cell association so as to allow shutting down under-utilized parts of the network. We consider a hypothetical static case where we have complete knowledge of stationary user locations and thus the results represent an upper bound of potential energy savings. We formulate...
In wireless sensor networks (WSNs), QoS topology control achieves energy-efficiency by turning off redundant nodes and links, while still satisfying the given QoS requirement. However, existing topology control algorithms assume that links are either connected or disconnected. Recent experiments have shown that, besides the connected and disconnected region, a large percentage of links reside in the...
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