Study on the transmission path and timing scheduling for WSNs with heterogeneous nodes

Study on the transmission path and timing scheduling for WSNs with heterogeneous nodes PurposeApplication environments of wireless sensor networks (WSNs) include heterogeneous nodes with different packet sizes, transmission abilities and tolerable delay times. This study aims to design a reasonable network topology and transmission timing for these heterogeneous nodes to improve the quality of service (QoS) of networks.Design/methodology/approachIn this paper, the authors treat node urgency and data packets as the basis of network clustering and to extend the network lifetime. The flow, energy consumption and residual energy of a node are included in the cluster head election. We also propose a delay evaluation function.FindingsAll the nodes in the network are guaranteed to transmit to the sink nodes efficiently by planning the transmission order in each cluster.Originality/valueThe simulation results show that the proposed method can balance node urgency and data packets path planning, which not only extends the lifetime of the network but also decreases network delay and improves the overall efficiency. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Sensor Review Emerald Publishing

Study on the transmission path and timing scheduling for WSNs with heterogeneous nodes

Sensor Review, Volume 39 (1): 7 – Jan 21, 2019

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0260-2288
DOI
10.1108/SR-06-2017-0121
Publisher site
See Article on Publisher Site

Abstract

PurposeApplication environments of wireless sensor networks (WSNs) include heterogeneous nodes with different packet sizes, transmission abilities and tolerable delay times. This study aims to design a reasonable network topology and transmission timing for these heterogeneous nodes to improve the quality of service (QoS) of networks.Design/methodology/approachIn this paper, the authors treat node urgency and data packets as the basis of network clustering and to extend the network lifetime. The flow, energy consumption and residual energy of a node are included in the cluster head election. We also propose a delay evaluation function.FindingsAll the nodes in the network are guaranteed to transmit to the sink nodes efficiently by planning the transmission order in each cluster.Originality/valueThe simulation results show that the proposed method can balance node urgency and data packets path planning, which not only extends the lifetime of the network but also decreases network delay and improves the overall efficiency.

Journal

Sensor ReviewEmerald Publishing

Published: Jan 21, 2019

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