1 - 6 of 6 Chapters
[This chapter aims at providing a summary of key properties of low-power links. First, it gives an overview of the radio technology most commonly used in low-power wireless networks. Then, it distils from the vast array of empirical studies on low-power links a set of high-level observations,...
[An important factor contributing to the degradation and variability of the link quality is radio interference. The increasingly crowded radio spectrum has triggered a vast array of research activities on interference mitigation techniques and on enhancing coexistence among electronic devices...
[Low-power links exhibit a complex and dynamic behavior, e.g., frequent quality fluctuations, highly asymmetric connectivity, large transitional region. They are more unreliable than traditional wireless links. This is due to the use of low-power and low-cost radio transceivers. These facts...
[The objective of this chapter is twofold: First, we present a methodology to evaluate the performance of LQEs regardless their type (e.g., PRR-based versus RNP or score-based, hardware-based vs. software-based). We follow this methodology to evaluate the performance of six representative and...
[Several network protocols and mechanisms rely on efficient link quality estimation to mitigate the unreliability of low-power links. A LQE can be efficient on a per-link basis, but it may lead to a poor performance when integrated in a particular protocol or mechanism. The objective of this...
[Low-power wireless technologies have been major enablers for pervasive computing applications as diverse as environmental monitoring, smart buildings, plant process control, structural health monitoring and more generically any application under the smart cooperating objects and “Internet of...
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