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Modulation Coding In A Radio Link And Data Transfer Application Using L2 VPN Ethernet Over MPLS In A Large Network
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences.
2015 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this thesis work, the locations where we are unable to reach via fiber are considered for wireless transmission links. In the practical part of this thesis different modulation techniques and antenna sizes were analyzed  in order to provide the most efficient way of data transmission. The data between this wireless links was transfered using MPLS L2 VPN solution.


According to improving technology and increasing internet usage, the communication speed, which is between users and providers, becomes more inevitable for transmitting data without any delays. More than one users might use same connection line for transmitting their packets and it is able to be caused an online traffic and some delays and data loss could occur. In this circumstance, high rate internet demands would lead extra costs for Internet Service Providers (ISPs) and users.


In the introduction part, a brief description for the history of communications and basic equipments for Radio Link and Fiber Optic cable are done.


In the theory part, detailed information was provided about modulation techniques and multiplexing techniques followed by general information about computer networks  and comprehensive information about OSI layers.


In the process and result parts, program outputs for Path Loss design which was used for R/L was mentioned in a detailed way. After that, Ethernet Over MPLS L2 VPN was highlighted and a simulation from point-to-point "Ethernet Over MPLS L2 VPN” was conducted in GNS3 software. Furthermore, the simulation for point-to-multipoint case was then applied  in a laboratory environment in order to achieve the desired result.


In the result part, different R/L simulation results are compared to determine the optimized modulation technique and antenna sizes which could then be merged with simulation results from the previous part.

Place, publisher, year, edition, pages
2015. , 77 p.
Keyword [en]
Radio Link, Path Loss, GNS3, QAM, MPLS
National Category
URN: urn:nbn:se:hig:diva-20961OAI: diva2:891339
Subject / course
Educational program
Electronics/Telecommunications – master’s programme (two years) (swe or eng)
2015-09-17, 11:320, Universty of Gävle, Gävle, 20:01 (English)
Available from: 2016-01-15 Created: 2016-01-06 Last updated: 2016-01-15Bibliographically approved

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