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A novel compensation framework to motivate the hybrid access in the uplink transmission of the femtocell network is discussed in this paper, based on the power allocation to each user equipment (UE) in order to achieve the signal-to-interference-plus-noise-ratio (SINR) based quality-of-service (QoS) requirement. The energy efficiency of the whole macro-femtocell network is the utility of the macrocell...
For monitoring burst events in reactive wireless sensor networks (WSNs),an novel energy-efficient dynamic voting cluster (EE-DVC) algorithm is proposed. EE-DVC has three obvious features: Firstly, it adopts virtual grid ideas to divide each cluster into MtimesN square area and select a working node in each grid to reduce redundant information and save energy. Secondly, cluster head is dynamic voted...
Wireless sensor networks (WSNs) consists of unattended sensors with limited storage, energy (battery power) and computation and communication capabilities. Since battery power is the most crucial resource for sensor nodes, the utility of energy efficient and the maximum lifetime is special important. In this paper, we present an energy-efficient dynamic clustering algorithm(EE-DCA)for wireless sensor...
One of the key problems for wireless sensor networks (WSNs) is how to make the best of limited energy. The conventional clustering method has the unique potential to be the framework for energy-conserving wireless sensor networks .In this paper, a novel dynamic clustering algorithm based on geographical location information(GL-DC)is proposed for WSNs. Comparing with other algorithms, GL-DC has two...
Wireless sensor networks (WSNs) have received more and more attention due to the limited energy of battery-powered nodes, but rarely consider the maximum lifetime and the shortest path at the same time. In this paper, we present an energy-efficient algorithm for maximum lifetime and minimum routing (EE-MLMR) in wireless sensor networks. EE-MLMR improves energy utility by changing the activity of wireless...
One of the key problems for wireless sensor networks (WSNs) is the design of energy-efficient routing algorithm, because sensor energy is limited. The energy-efficiency routing algorithm has a strong impact on the network performance. In this paper, we present an energy-efficient minimum routing algorithm (EEMR) of wireless sensor networks. EEMR improves energy utility by changing the activity of...
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