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Performance of physical layer security with different service integrity parameters
2018 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Information security has been a very important issue in wireless networks. With the ever-increasing amount of data being exchanged over wireless networks, the confidentiality of information needs to be protected from unauthorized users called eavesdropper. Due to the broadcast nature of the wireless medium, the transmissions between legitimate users maybe overheard and intercepted by the unauthorized parties, which makes wireless transmission vulnerable to potential eavesdropping attacks. The security of wireless communications plays an increasingly important role in the cybercrime defense against unauthorized activities.

 

 

We consider the wireless physical layer security which has been explored for the sake of enhancing the protection of wireless communications against eavesdroppers. We consider the problem of secret communication through Rayleigh fading channel in the presence of an eavesdropper in which the transmitter knows the channel state information of both the main and eavesdropper channel. Then, we analyze the average capacity of the main channel and eavesdropper channel from which an expression of secrecy capacity is derived based on the cumulative distribution function and probability density function of the signal to noise ratio. We also analyze an expression for the symbol error rate of the main channel, and the outage probability is obtained for the main transmission. Finally, we perform the numerical results in MATLAB.

Place, publisher, year, edition, pages
2018. , p. 30
Keywords [en]
Physical layer security, outage probability, symbol error rate, secrecy capacity
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:bth-15872OAI: oai:DiVA.org:bth-15872DiVA, id: diva2:1181470
Subject / course
ET2572 Master's Thesis (120 credits) in Electrical Engineering with emphasis on Radio communication
Educational program
ETARX Master of Science Programme in Electrical Engineering with emphasis on Radio Communication
Presentation
2017-11-20, karlskrona, 13:30 (English)
Supervisors
Examiners
Available from: 2018-02-09 Created: 2018-02-08 Last updated: 2018-02-09Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf