Received Signal Strength Models for Narrowband Radios

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Author(s): Hüseyin Yiğitler (Aalto University, Finland), Ossi Kaltiokallio (Aalto University, Finland)and Riku Jäntti (Aalto University, Finland)
Copyright: 2018
Pages: 38
Source title: Positioning and Navigation in Complex Environments
Source Author(s)/Editor(s): Kegen Yu (Wuhan University, China)
DOI: 10.4018/978-1-5225-3528-7.ch002

Keywords: Information Science Reference / Media & Communications / Networking and Telecommunications / Wireless Systems

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Abstract

The advancements in wireless communication technologies have enabled new sensing possibilities where the channel measurements of the radio are used for inferring physical changes in the surrounding environment. Relating the channel measurements to the location and actions of people has been of particular interest due to the wide range of application opportunities enabled by such a sensing capability. As an example, the low-amplitude received signal measurements of low-cost wireless communication systems have been used to detect the presence of a person, to locate and track them, identify gestures and activities of the person, and even monitor their vital signs. This chapter aims to give a deep insight on how people influence radio signals, how these effects are observed at the receiver antenna, and how the measurement system impacts the recorded measurements. These topics are presented to shed light on the relation between the location of people and signal strength measurements of narrowband radios.

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Received Signal Strength Models for Narrowband Radios

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