Walking Speed Detection from 5G prototype System

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master_Gholampooryazdi_Bahareh_2017.pdf (6.55 MB)

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Sähkötekniikan korkeakoulu | Master's thesis
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Date

2017-05-22

Department

Major/Subject

Networking Technology

Mcode

S3029

Degree programme

CCIS - Master’s Programme in Computer, Communication and Information Sciences (TS2013)

Language

en

Pages

6+63

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Abstract

While most RF-sensing approaches proposed in the literature rely on short-distance indoor point-to-point instrumentation, actual large-scale installation of RF sensing suggests the use of ubiquitously available cellular systems. In particular, the 5th generation of the wireless communication standard (5G) is envisioned as a universal communication means also for Internet of Things devices. This thesis presents an investigation of device-free environmental perception capabilities in a 5G prototype system in two cases; walking speed and human presence detection, and elaborate a comparison with the former case and acceleration sensing analysis. This thesis attempts to analyze the perception capabilities of 5G system in order to recognize human mostly common activities and presence detection near transceiver devices which the instrumentation exploits a device-free system capable of detect activities without carrying devices capitalizing on environmental RF-noise. This is done via the study of existing and related literature. After that, the implementation and evaluation of walking speed and presence detection is described in details. In addition, evaluation consists of utilizing a prototypical 5G system with 52 OFDM carriers over 12.48 MHz bandwidth at 3.45 GHz, which we consider the impact of the number and choice of channels and compare the recognition performance with acceleration-based sensing. It was concluded that in realistic settings with five subjects, accurate recognition of activities and environmental situations can be a reliable implicit service of future 5G installations.

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Supervisor

Sigg, Stephan

Thesis advisor

Sigg, Stephan

Keywords

5G technology, walking speed, activity recognition, radio frequency, presence detection, acceleration

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https://urn.fi/URN:NBN:fi:aalto-201706135470

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[dipl] Sähkötekniikan korkeakoulu / ELEC