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11. Wi-Fi Point-to-Point Links

Author

de Carvalho, J. A. R. Pacheco, primary, Veiga, H., additional, Marques, N., additional, Pacheco, C. F. Ribeiro, additional, and Reis, A. D., additional

Published
2012
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13. Extended Performance Research on IEEE 802.11a WPA2 Multi-Node Laboratory Links.

Author

Pacheco de Carvalho, J. A. R., Veiga, H., and Pacheco, C. F. Ribeiro

Subjects
WIRELESS communications, PERFORMANCE technology, ELECTRONIC equipment, TCP/IP, ADAPTERS (Telecommunication), LABORATORIES, PERFORMANCES
Abstract

Wireless communications, involving electronic devices, are increasingly important. Performance is a fundamental issue, leading to more reliable and efficient communications. Security is also, no doubt, most important. Laboratory measurements were achieved about several performance aspects of Wi-Fi IEEE 802.11a 54 Mbps WPA2 links. Our study enriches performance evaluation of this technology, using accessible equipments (HP V-M200 access points and Linksys WPC600N adapters). New accurate results are given, namely at OSI level 4, from TCP and UDP experiments. TCP throughput is measured against TCP packet length. Jitter and percentage datagram loss are evaluated versus UDP datagram size. Results are examined for point-to-point, point-to-multipoint and four-node point-to-multipoint links. Comparisons are also made mainly to related data obtained for Open links. Conclusions are extracted about performance of the links. [ABSTRACT FROM AUTHOR]

Published
2020

14. Extended Research on Effects of Encryption and Topology on Performance of IEEE 802.11a Laboratory Links.

Author

de Carvalho, J. A. R. Pacheco, Veiga, H., Pacheco, C. F. Ribeiro, and Reis, A. D.

Subjects
WIRELESS communications, IEEE 802.11 (Standard), DATA encryption, WIRELESS Internet, NETWORK performance, PATTERN recognition systems, ELECTRONIC equipment
Abstract

The increasing importance of wireless communications, involving electronic devices, has been worldly recognized. Performance is an essential issue, leading to more reliable and efficient communications. Security is also critically important. Laboratory measurements were performed about several performance aspects of Wi-Fi IEEE 802.11a WPA2 and WPA point-to-multipoint links. Our study contributes to the performance evaluation of this technology, using available equipments (HP V-M200 access points and Linksys WPC600N adapters). New detailed results are presented and discussed, namely at OSI level 4, from TCP and UDP measurements: TCP throughput, jitter and percentage datagram loss. Comparisons are made to corresponding results obtained for WPA2 and WPA point-to-point, and Open links. Conclusions are drawn about the comparative performance of the links. [ABSTRACT FROM AUTHOR]

Published
2017

15. Performance Evaluation of Wi-Fi IEEE 802.11 A,G WPA2 PTP Links: a Case Study.

Author

de Carvalho, J. A. R. Pacheco, Veiga, H., Pacheco, C. F. Ribeiro, and Reis, A. D.

Subjects
WIRELESS communications, NETWORK performance, WIRELESS LANs, IEEE 802.11 (Standard), WIRELESS Internet, FILE Transfer Protocol (Computer network protocol), MICROWAVES, CASE studies
Abstract

Wireless communications using microwaves are increasingly important, such as Wi-Fi. Performance is a most fundamental issue, leading to more reliable and efficient communications. Security is equally very important. Laboratory measurements are made about several performance aspects of Wi-Fi (IEEE 802.11a, g) WPA2 point-to-point links. A contribution is given to performance evaluation of this technology under WPA2 encryption, using available equipments (DAP-1522 access points from D-Link and WPC600N adapters from Linksys). Detailed results are presented and discussed, namely at OSI levels 4 and 7, from TCP, UDP and FTP experiments: TCP throughput, jitter, percentage datagram loss and FTP transfer rate. Comparisons are made to corresponding results obtained for open links. Conclusions are drawn about the comparative performance of the links. [ABSTRACT FROM AUTHOR]

Published
2012

16. Comparative Performance Evaluation of Wi-Fi IEEE 802.11 A,G WEP PTP Links.

Author

de Carvalho, J. A. R. Pacheco, Veiga, H., Pacheco, C. F. Ribeiro, and Reis, A. D.

Subjects
WIRELESS communications, COMPUTER simulation, WIRELESS Internet, MICROWAVES, IEEE 802.11 (Standard), NETWORK performance, FILE Transfer Protocol (Computer network protocol), DATA encryption
Abstract

Wireless communications using microwaves are increasingly important, such as Wi-Fi. Performance is a crucial issue, leading to more reliable and efficient communications. Security is equally important. Laboratory measurements are made about several performance aspects of Wi-Fi (IEEE 802.11a, g) WEP point-to-point links. A contribution is given to performance evaluation of this technology under WEP encryption, using two types of equipments (RBTR2 access points from Enterasys Networks; DAP-1522 access points from D-Link and WPC600N adapters from Linksys). Detailed results are presented and discussed, namely at OSI levels 4 and 7, from TCP, UDP and FTP experiments: TCP throughput, jitter, percentage datagram loss and FTP transfer rate. Comparisons are made and conclusions are drawn about the comparative performance of the links. [ABSTRACT FROM AUTHOR]

Published
2012

17. Laboratory Performance of Wi-Fi IEEE 802.11 B,G WPA2 Point-to-Point Links: a Case Study.

Author

de Carvalho, J. A. R. Pacheco, Veiga, H., Marques, N., Pacheco, C. F. Ribeiro, and Reis, A. D.

Subjects
WIRELESS Internet, IEEE 802.11 (Standard), PPP (Computer network protocol), NETWORK performance, FILE Transfer Protocol (Computer network protocol)
Abstract

Wireless communications using microwaves are increasingly important, e.g. Wi-Fi. Performance is a crucial issue, leading to more reliable and efficient communications. Security is equally very important. Laboratory measurements are made about several performance aspects of Wi-Fi (IEEE 802.11b, g) WPA2 point-to-point links. A contribution is given to performance evaluation of this technology under WPA2 encryption, using available equipments (WRT54GL wireless routers from Linksys). Detailed results are presented and discussed, namely at OSI levels 4 and 7, from TCP, UDP and FTP experiments: TCP throughput, jitter, percentage datagram loss and FTP transfer rate. Comparisons are made to corresponding results obtained for open links. Conclusions are drawn about the comparative performance of the links. [ABSTRACT FROM AUTHOR]

Published
2011

18. Comparative Performance Evaluation of Wi-Fi IEEE 802.11 B,G WEP Point-to-Point Links.

Author

de Carvalho, J. A. R. Pacheco, Veiga, H., Marques, N., Pacheco, C. F. Ribeiro, and Reis, A. D.

Subjects
IEEE 802.11 (Standard), WIRELESS Internet, WIRELESS LANs, NETWORK performance, PPP (Computer network protocol)
Abstract

Wireless communications using microwaves are increasingly important, e.g. Wi-Fi. Performance is a crucial issue, leading to more reliable and efficient communications. Security is equally important. Laboratory measurements are made about several performance aspects of Wi-Fi (IEEE 802.11b, g) WEP point-to-point links. A contribution is given to performance evaluation of this technology under WEP encryption, using two types of equipments (RBT-4102 access points from Enterasys Networks and WRT54GL wireless routers from Linksys). Detailed results are presented and discussed, namely at OSI levels 4 and 7, from TCP, UDP and FTP experiments: TCP throughput, jitter, percentage datagram loss and FTP transfer rate. Comparisons are made and conclusions are drawn about the comparative performance of the links. [ABSTRACT FROM AUTHOR]

Published
2011

20. Extended Performance Research on IEEE 802.11a 54 Mbps Multi-Node Laboratory Links.

Author

de Carvalho, J. A. R. Pacheco, Veiga, H., Pacheco, C. F. Ribeiro, and Reis, A. D.

Subjects
*WIRELESS sensor nodes, *IEEE 802.11 (Standard), *ELECTRONIC equipment, *HYPERLINKS, *PERFORMANCE evaluation
Abstract

Wireless communications, involving electronic devices, are increasingly important Performance is a fundamental issue, leading to more reliable and efficient communications. Security is also most important. Laboratory measurements were performed about several performance aspects of Wi-Fi IEEE 802.11a 54 Mbps Open links. Our study contributes to performance evaluation of this technology, using available equipments (HP V-M200 access points and Linksys WPC600N adapters). New detailed results are given, namely at OSI level 4, from TCP and UDP experiments. TCP throughput is measured versus TCP packet length. Jitter and percentage datagram loss are measured versus UDP datagram size. Results are compared for point-to-point, point-to-multipoint and four-node point-to-multipoint links. Conclusions are drawn about performance of the links. [ABSTRACT FROM AUTHOR]

Published
2018

21. A Contribution to Laboratory Performance Evaluation of IEEE 802.11 a, b, g Point-to-Point Links: a Case Study.

Author

De Carvalho, J. A. R. Pacheco, Gomes, P. A., Veiga, H., Pacheco, C. F. Ribeiro, Marques, N., and Reis, A. D.

Subjects
*IEEE 802.11 (Standard), *PACKET switching, *MICROWAVES, *FILE Transfer Protocol (Computer network protocol), *COMPUTER network protocols
Abstract

Wireless communications using microwaves are increasingly important, e.g. Wi-Fi. Performance is a very relevant issue, resulting in more reliable and efficient communications. Laboratory measurements are made about several performance aspects of Wi-Fi (IEEE 802.11a, b, g) point-to-point links using available access points from Enterasys Networks (RBT-4102). Through OSI levels 3, 4 and 7, detailed results are presented and discussed, namely: latency, ICMP packet loss, TCP throughput, jitter, percentage datagram loss and FTP transfer rate. [ABSTRACT FROM AUTHOR]

Published
2009

22. Laboratory Performance Studies of IEEE 802.11 b, g Point-to-Point Links through TCP, UDP and FTP Experiments.

Author

De Carvalho, J. A. R. Pacheco, Gomes, P. A., Veiga, H., Pacheco, C. F. Ribeiro, Marques, N., and Reis, A. D.

Subjects
*WIRELESS communications, *IEEE 802.11 (Standard), *TCP/IP, *DATA transmission systems, *NETWORK routers
Abstract

The importance of wireless communications has been growing. Performance is a very relevant issue, leading to more reliable and efficient communications. Laboratory measurements are made about several performance aspects of Wi-Fi (IEEE 802.11 b, g) point-to-point links. A contribution is given to evaluation of this technology through performance comparisons, using available access points from Enterasys Networks (RBT-4102) and wireless routers from Linksys (WRT54GL). Detailed results are presented and discussed, namely at OSI levels 4 and 7, from experiments involving TCP, UDP and FTP: TCP throughput, jitter, percentage datagram loss and FTP transfer rate. [ABSTRACT FROM AUTHOR]

Published
2009

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