Transmission reliability evaluation of wireless sensor networks considering channel capacity randomness and energy consumption failure

Ning Wang, Tian-zi Tian, Jia-tao He, Chang-zhen Zhang and Jun Yang

Reliability Engineering and System Safety, 2024, vol. 242, issue C

Abstract: The reliable transmission of data packets is the basis of ensuring the Internet of Things applications. Therefore, how to ensure the transmission reliability of wireless sensor networks has already become a hotspot. However, the existing researches ignore the effects of multiple fault modes and random factors on transmission reliability. Firstly, in the node reliability modeling, few studies have considered the effects of random failure and energy consumption failure comprehensively. Secondly, in the link reliability modeling, existing studies ignore the effect of the channel capacity randomness, which can lead to the erroneous estimation of transmission reliability. To overcome the above shortcomings, we propose a more realistic transmission reliability model. Firstly, considering the comprehensive effects of two failure modes, we establish a new node reliability model to better characterize the node performance. Secondly, considering the channel capacity randomness, we propose an improved SNR-Capacity connection model by deriving the one-hop connectivity probability, which can better characterize the link reliability. Then, we propose a transmission reliability evaluation model, and give the corresponding exact and approximate algorithms for its solution. Finally, taking the military Internet as an example, the effectiveness of the proposed method is verified.

Keywords: Wireless sensor networks; Transmission reliability; Channel capacity randomness; Energy consumption failure; Signal-to-noise ratio model; The sum of disjoint products (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:242:y:2024:i:c:s095183202300683x

DOI: 10.1016/j.ress.2023.109769

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