Performance Analysis of a Novel TCP Protocol Algorithm Adapted to Wireless Networks

Gonzalo Olmedo, Román Lara-Cueva, Diego Martínez and Celso de Almeida
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Gonzalo Olmedo: Grupo de Investigación en Sistemas Inteligentes (WiCOM-Energy), and Centro de Investigaciones de Redes Ad-Hoc (CIRAD), Departamento de Eléctrica, Electrónica y Telecomunicaciones, Universidad de las Fuerzas Armadas ESPE, Sangolquí 171103, Ecuador
Román Lara-Cueva: Grupo de Investigación en Sistemas Inteligentes (WiCOM-Energy), and Centro de Investigaciones de Redes Ad-Hoc (CIRAD), Departamento de Eléctrica, Electrónica y Telecomunicaciones, Universidad de las Fuerzas Armadas ESPE, Sangolquí 171103, Ecuador
Diego Martínez: Grupo de Investigación en Sistemas Inteligentes (WiCOM-Energy), and Centro de Investigaciones de Redes Ad-Hoc (CIRAD), Departamento de Eléctrica, Electrónica y Telecomunicaciones, Universidad de las Fuerzas Armadas ESPE, Sangolquí 171103, Ecuador
Celso de Almeida: School of Electrical and Computer Engineering, University of Campinas (UNICAMP), Campinas-SP 13083-970, Brazil

Future Internet, 2020, vol. 12, issue 6, 1-17

Abstract: As telecommunication systems evolve towards new-generation architectures, likewise, new protocols are created in order to improve efficiency. One of these protocols is Transmission Control Protocol (TCP), which controls the transmission bit rate in function of network congestion. Nevertheless, in wireless communications, there appear problems such as noise and interference, for which TCP was not designed. Based on these problems, there exist some methods trying to mitigate congestion, such as explicit loss notifications and the use of end-to-end codification. The aim of this work was to propose a wireless TCP protocol improvement, considering a negative acknowledgment (NACK), which allows to differentiate between losses due to congestion and losses due to wireless channel issues. NACK employs a small protocol packet and produces improvement in the quality of service metrics. The experiments were carried out in in-door and out-door environments, over an online video game scenario, and over a long-distance wireless link between two islands. The average results show a 25-percent delay improvement and a 5-percent jitter improvement when compared to the original TCP Reno protocol, while for throughput a 90-percent improvement was achieved for distances between 100 and 414 m.

Keywords: CWDN; NACK; Linux kernel; wireless TCP (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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