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Open AccessArticle

An Experimental Channel Capacity Analysis of Cooperative Networks Using Universal Software Radio Peripheral (USRP)

1
Department of Electrical Engineering, COMSATS University Islamabad, Attock Campus 43600, Pakistan
2
Department of Computer Science Engineering, COMSATS University Islamabad, Attock Campus 43600, Pakistan
3
School of International Education, Xidian University, Xi’an 710071, China
4
School of Electronic Engineering, Xidian University, Xi’an 710071, China
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Department of Electrical Engineering, King Fahd University of Petroleum and Minerals, Dhahran 34464, Saudi Arabia
*
Author to whom correspondence should be addressed.
Sustainability 2018, 10(6), 1983; https://doi.org/10.3390/su10061983
Received: 31 March 2018 / Revised: 17 May 2018 / Accepted: 12 June 2018 / Published: 13 June 2018
(This article belongs to the Special Issue 5G Mobile Services and Scenarios: Challenges and Solutions)
Cooperative communication (CC) is one of the best solutions to overcome channel fading and to improve channel capacity. However, most of the researchers evaluate its performance based on mathematical modeling or by simulations. These approaches are often unable to successfully capture many real-world radio signal propagation problems. Hardware based wireless communication test-bed provides reliable and accurate measurements, which are not attainable through other means. This research work investigates experimental performance analysis of CC over direct communication (DC) in the lab environment. The experimental setup is built using Universal Software Radio Peripheral (USRP) and Laboratory Virtual Instrument Engineering Workbench (LabVIEW). A text message is transmitted by using Phase Shift Keying (PSK) modulation schemes. The setup uses amplify and forward (AF) relaying mode and two time slot transmission protocols. The maximum ratio combining (MRC) technique is used for combining SNR at the receiver. Channel capacity analysis is performed in order to evaluate the performance of CC over DC with and without obstacle. Moreover, optimal position of the relay is also analyzed by varying the position of the relay. Extensive experiments are carried out in the lab environment to evaluate the performance of the system for different hardware setups. The results reveal that cooperative communication attains significant improvement in terms of channel capacity of the system. View Full-Text
Keywords: cooperative communication; channel capacity; relay; AF; MRC; USRP cooperative communication; channel capacity; relay; AF; MRC; USRP
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MDPI and ACS Style

Tanoli, S.A.K.; Rehman, M.; Khan, M.B.; Jadoon, I.; Ali Khan, F.; Nawaz, F.; Shah, S.A.; Yang, X.; Nasir, A.A. An Experimental Channel Capacity Analysis of Cooperative Networks Using Universal Software Radio Peripheral (USRP). Sustainability 2018, 10, 1983. https://doi.org/10.3390/su10061983

AMA Style

Tanoli SAK, Rehman M, Khan MB, Jadoon I, Ali Khan F, Nawaz F, Shah SA, Yang X, Nasir AA. An Experimental Channel Capacity Analysis of Cooperative Networks Using Universal Software Radio Peripheral (USRP). Sustainability. 2018; 10(6):1983. https://doi.org/10.3390/su10061983

Chicago/Turabian Style

Tanoli, Shujaat A.K.; Rehman, Mubashir; Khan, Muhammad B.; Jadoon, Ihtesham; Ali Khan, Farman; Nawaz, Faiza; Shah, Syed A.; Yang, Xiaodong; Nasir, Ali A. 2018. "An Experimental Channel Capacity Analysis of Cooperative Networks Using Universal Software Radio Peripheral (USRP)" Sustainability 10, no. 6: 1983. https://doi.org/10.3390/su10061983

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