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Title: A software defined radio comparison of received power with quadrature amplitude modulation and phase modulation schemes with and without a human
Authors: Al-Saffar, D.
Edwards, R.M.
Keywords: SDR
NI-USRP
LabVIEW
Human body communication
Modulation
Issue Date: 2016
Publisher: © IEEE
Citation: AL-SAFFAR, D. and EDWARDS, R.M., 2016. A software defined radio comparison of received power with quadrature amplitude modulation and phase modulation schemes with and without a human. 10th European Conference on Antennas and Propagation (EuCAP 2016), Davos, Switzerland, 10th-15th April 2016.
Abstract: This paper presents the application of software-defined radio to the study of received power with and without a human in close proximity to a receiver transmitter pair. Software defined radio is increasingly being used in radio related research and teaching in Universities, Schools and Colleges. For teaching it is typically being used in the classroom in close proximity to users/observers. Because several transceiver sets are needed to compare two or more modulation techniques in conventional radio this presents significant challenges with matching, synchronisation and noise. Two or more separate systems are needed. In contrast with software defined radio simple changes to the ratios of I and Q modulators can execute several modulation methods using the same system. This paper examines the use of a typical software defined radio in close proximity to a user which is typical in a classroom situation. The most suitable of two modulation techniques for use with communication systems close to humans as a function of received power for a typical office environment is presented.
Description: © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Version: Accepted for publication
DOI: 10.1109/EuCAP.2016.7481832
URI: https://dspace.lboro.ac.uk/2134/23548
Publisher Link: http://dx.doi.org/10.1109/EuCAP.2016.7481832
ISBN: 9788890701863
Appears in Collections:Conference Papers and Contributions (Mechanical, Electrical and Manufacturing Engineering)

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