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Constructive Interference in 802.15.4: A Tutorial

Abstract : Constructive Interference (CI) can happen when multiple wireless devices send the same frame at the same time. If the time offset between the transmissions is less than 500 ns, a receiver will successfully decode the frame with high probability. CI can be useful for achieving low-latency communication or low-overhead flooding in a multi-hop low-power wireless network. The contribution of this article is threefold. First, we present the current state-of-the-art CI-based protocols. Second, we provide a detailed hands-on tutorial on how to implement CI-based protocols on TelosB motes, with well documented open-source code. Third, we discuss the issues and challenges of CI-based protocols, and list open issues and research directions. This article is targeted at the level of practicing engineers and advanced researchers and can serve both as a primer on CI technology and a reference to its implementation.
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https://hal.inria.fr/hal-01968646
Contributor : Thomas Watteyne <>
Submitted on : Wednesday, January 2, 2019 - 11:46:11 PM
Last modification on : Wednesday, October 14, 2020 - 4:15:12 AM
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Tengfei Chang, Thomas Watteyne, Xavier Vilajosana, Pedro Henrique Gomes. Constructive Interference in 802.15.4: A Tutorial. Communications Surveys and Tutorials, IEEE Communications Society, Institute of Electrical and Electronics Engineers, 2018. ⟨hal-01968646⟩

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