QoS Guaranteed Architecture for Wireless Sensor and Actuator Networks

Xiang, Kai; Zeng, Yuanyuan; Sun, Baolin

doi:10.1109/wicom.2010.5601152

Cited by 2 publications

(3 citation statements)

References 3 publications

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“…In terms of clustering, we notice that the CCR protocol is the most representative solution for comparison. Unlike the nature of our solution, those ones proposed in [3], [7] and [9] elect the actuator nodes as CHs, which is unsuitable regarding the cost of deployment in large scale. For a great network size, the number of actuators to deploy is large.…”

Section: Simulation Environment and Metricsmentioning

confidence: 99%

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An energy efficient and QoS aware routing protocol for wireless sensor and actuator networks

Yahiaoui

Omar

Bouabdallah

et al. 2018

AEU - International Journal of Electronics and Communications

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Wireless Sensor and Actuator Networks (WSANs) are composed of a set of heterogeneous sensor and actuator nodes interconnected via wireless links. In WSANs, the actuators are responsible for taking prompt decisions and react accordingly to the data gathered by sensor nodes. In order to ensure efficient actions in such networks, we propose a new routing protocol that provides QoS in terms of end-to-end delay and energy consumption. The network is organized in clusters supervised by CHs (Cluster-Heads), elected according to a set of important metrics, namely the energy capability, the riches of connectivity, which is used to select the CH with high node density, and the accessibility degree regarding all the actuator nodes. The latter metric is the distance in number of hops of sensor nodes relative to the actuator nodes. This metric enhances more the network reliability by reducing the communication delay when alerting the actuator nodes, and hence, reducing the energy consumption. To reach efficiently the actuator nodes, we design a delay and energy sensitive routing protocol based on-demand routing approach. Our protocol incurs less end-to-end delay and is energy efficient. We perform an overall evaluation of our approach through simulations. The obtained results show out performance of our approach while providing effective gain in terms of end-to-end communication delay and energy consumption.

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Section: Simulation Environment and Metricsmentioning

confidence: 99%

“…In [9], Xiang et al have proposed a QoS architecture for automated WSANs, in which the zone of interest is organized into clusters and the actuator nodes act as CHs. They have proposed a sensor-actuator event reporting algorithm considering the delay, the energy and the load of actuator nodes.…”

Section: Cluster Based Routing Solutionsmentioning

confidence: 99%

An energy efficient and QoS aware routing protocol for wireless sensor and actuator networks

Yahiaoui

Omar

Bouabdallah

et al. 2018

AEU - International Journal of Electronics and Communications

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“…Then, the harvested energy is used to transmit the sensors output to the remote monitoring system in the uplink [13][14][15]. Also, this scenario has application in wireless sensor and actuator networks (WSANs), where bidirectional communication occurs between a battery-powered actuator and an EH sensor to gather information and performing changes [16][17][18]. The uplink and downlink rates in SWIPT systems with bidirectional communication are related, as increasing/decreasing the uplink rate requires more/less harvested energy, which in turn results in the decreased/increased the downlink rate.…”

Section: Introductionmentioning

confidence: 99%

Joint optimization of antenna selection and beamforming in MIMO SWIPT systems with bidirectional communication

Hedayati

Yousefi

2021

IET Communications

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This paper investigates joint optimization of antenna selection and beamforming in multiple-input multiple-output simultaneous wireless information and power transfer systems with bidirectional communication. The downlink-uplink rate region is used as the performance metric. The formulated optimization problem is non-convex mixed integer programming, which is challenging to solve. The problem is first converted into a form of a quadratically constrained quadratic program. Given fixed receive and transmit antenna sets at the energy harvesting device, the authors apply the semidefinite relaxation to obtain a convex problem for optimal beamforming which can be solved efficiently. It is proved that the semidefinite relaxation is tight. The authors solve the relaxed problem for every possible receive and transmit antenna sets and find the optimal solution by search. Moreover, a low-complexity method to alleviate the computational complexity of the optimal solution by deriving effective heuristic algorithms for the beamforming and antenna selection is proposed. Simulation results demonstrate that both the optimal and the low-complexity algorithms outperform the benchmark power splitting, when the circuit power consumption is sufficiently high or the number of receive antennas at the energy harvesting device is sufficiently large. Also, a near-optimal performance can be achieved by the proposed low-complexity method.

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QoS Guaranteed Architecture for Wireless Sensor and Actuator Networks

Cited by 2 publications

References 3 publications

An energy efficient and QoS aware routing protocol for wireless sensor and actuator networks

An energy efficient and QoS aware routing protocol for wireless sensor and actuator networks

Joint optimization of antenna selection and beamforming in MIMO SWIPT systems with bidirectional communication

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