An adaptable CS-based transmission scheme in wireless sensor network Online publication date: Fri, 07-Jun-2019
by Hao Yang; Keming Tang
International Journal of Ad Hoc and Ubiquitous Computing (IJAHUC), Vol. 31, No. 2, 2019
Abstract: As the essential requirement of wireless sensor network, energy-efficient data transmission has been paying a lot attention. Compressive sensing (CS) has been currently utilised to save consumption of sensors. However, a vital problem still remains unclear that whether the execution costs of sensors employing CS is not worth being considered, motivating us to explore the answer from a point of real deployment platform view. Presenting observations from our operating sensor network with 124 nodes, we verify two important facts: 1) The power costs of measure processing of sensors cannot be negligible as the increasing of samplings; 2) Measurements will constantly change along the routing and force relay sensors to consume more. Based on our findings, we propose an adaptable CS-based transmission scheme, ACS. With our experiments, energy is economised at least 15%. Our work gives a potential guideline for future designs of WSN in practice.
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