Demonstrating the practical challenges of wireless communications using USRP

El‐Hajjar, Mohammed; Nguyen, Quoc; Maunder, Robert G.; Ng, Soon Xin

doi:10.1109/mcom.2014.6815912

Cited by 32 publications

(9 citation statements)

References 8 publications

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“…This hardware platform consists of two USRP devices, one for transmission and the other for reception, along with omni-directional antennas and a desktop PC or laptop, as shown in Figure 4 b. Currently, different SDR platforms are used for experimental research; among them, the USRP manufactured by Ettus research is mostly used, which has become the standard choice for wireless research [ 93 , 94 ]. The architecture incorporates the Xilinx Spartan-6 FPGA along with the agile analog radio frequency integrated circuits (RFIC)’s direct adaptation transceiver.…”

Section: Methodsmentioning

confidence: 99%

A Systematic Review of Non-Contact Sensing for Developing a Platform to Contain COVID-19

Khan

Zhang

et al. 2020

Micromachines

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The rapid spread of the novel coronavirus disease, COVID-19, and its resulting situation has garnered much effort to contain the virus through scientific research. The tragedy has not yet fully run its course, but it is already clear that the crisis is thoroughly global, and science is at the forefront in the fight against the virus. This includes medical professionals trying to cure the sick at risk to their own health; public health management tracking the virus and guardedly calling on such measures as social distancing to curb its spread; and researchers now engaged in the development of diagnostics, monitoring methods, treatments and vaccines. Recent advances in non-contact sensing to improve health care is the motivation of this study in order to contribute to the containment of the COVID-19 outbreak. The objective of this study is to articulate an innovative solution for early diagnosis of COVID-19 symptoms such as abnormal breathing rate, coughing and other vital health problems. To obtain an effective and feasible solution from existing platforms, this study identifies the existing methods used for human activity and health monitoring in a non-contact manner. This systematic review presents the data collection technology, data preprocessing, data preparation, features extraction, classification algorithms and performance achieved by the various non-contact sensing platforms. This study proposes a non-contact sensing platform for the early diagnosis of COVID-19 symptoms and monitoring of the human activities and health during the isolation or quarantine period. Finally, we highlight challenges in developing non-contact sensing platforms to effectively control the COVID-19 situation.

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Section: Methodsmentioning

confidence: 99%

A Systematic Review of Non-Contact Sensing for Developing a Platform to Contain COVID-19

Khan

Zhang

et al. 2020

Micromachines

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“…In Ref. , LabVIEW and USRP are utilized for establishing and training engineering students with regarding the challenges in designing practical communications systems. Several SDR platforms about wireless communications are already available in the literature.…”

Section: Related Workmentioning

confidence: 99%

RTWiFi‐Lab: A real‐time Wi‐Fi laboratory platform on USRP and LabVIEW for wireless communications education and research

Küçük

2017

Comp Applic In Engineering

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The paper presents the real-time education and research platform as an effective means for describing wireless and digital communications courses with Wi-Fi standards. To this end, a Real-Time Wi-Fi Laboratory platform, called RTWiFi-Lab is designed and implemented as part of these courses using NI USRP 2921 and LabVIEW. Laboratory experiments of these courses give benefits for utilizing a hardware platform since these experiments greatly facilitate the understanding of significant effects introduced by real-time receivers. Hence, this platform is presented with seven experiments that provide the various concepts of these courses for different state-of-the-art wireless and digital communications techniques such as signal detection, data modulation, frequency, phase offset estimation, etc. The RTWiFi-Lab has been considered to provide computer engineering undergraduate students and qualified graduate students with the basic introduction to wireless and digital communications concepts in a short time at

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“…Additionally, where drivers were available and the desktop was a high speed computing platform, then real-time DSP software algorithms could be implemented (in floating point on the desktop processor) and receivers and transmitters implemented. Software defined radio is now established in a number of institutions as part of the curriculum, and in the May 2014 special SDR education feature topic in IEEE Communications Magazine, a number of authors reviewed their successful experiences introducing USRP-based SDR into their integrated course curricula and laboratory sessions for EE students [9][10][11]. However, the advent of the RTL-SDR device brings the affordability of a device down to a level lower than a textbook, and many of these successful courses can now also consider using the RTL-SDR as part of their laboratories, or as stand-alone learning assignments for students to do at home [12].…”

Section: The Advent Of Desktop Sdrmentioning

confidence: 99%

A low-cost desktop software defined radio design environment using MATLAB, simulink, and the RTL-SDR

et al. 2015

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In the last 5 years, the availability of powerful DSP and Communications design software, and the emergence of relatively affordable devices that receive and digitize RF signals, has brought Software Defined Radio (SDR) to the desktops of many communications engineers. However, the more recent availability of very low cost SDR devices such as the RTL-SDR, costing less than $20, brings SDR to the home desktop of undergraduate and graduate students, as well as both professional engineers and the maker communities. Since the release of the various open source drivers for the RTL-SDR, many in the digital communications community have used this device to scan the RF spectrum and digitise I/Q signals that are being transmitted in the range 25MHz to 1.75GHz. This wide bandwidth enables the sampling of frequency bands containing signals such as FM radio, ISM signals, GSM, 3G and LTE mobile radio, GPS and so on. In this paper we will describe the opportunity and operation of the RTL-SDR, and the development of a hands-on, open-course for SDR. These educational materials can be integrated into core curriculum undergraduate and graduate courses, and will greatly enhance the teaching of DSP and communications theory, principles and applications. The lab and teaching materials have recently been used in Senior (4th year Undergraduate) courses and are available as open course materials for all to access, use and evolve

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Demonstrating the practical challenges of wireless communications using USRP

Cited by 32 publications

References 8 publications

A Systematic Review of Non-Contact Sensing for Developing a Platform to Contain COVID-19

A Systematic Review of Non-Contact Sensing for Developing a Platform to Contain COVID-19

RTWiFi‐Lab: A real‐time Wi‐Fi laboratory platform on USRP and LabVIEW for wireless communications education and research

A low-cost desktop software defined radio design environment using MATLAB, simulink, and the RTL-SDR

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