Visible to the public Biblio

Filters: Keyword is communication secrecy  [Clear All Filters]
2021-04-08
Ekşim, A., Demirci, T..  2020.  Ultimate Secrecy in Cooperative and Multi-hop Wireless Communications. 2020 XXXIIIrd General Assembly and Scientific Symposium of the International Union of Radio Science. :1–4.
In this work, communication secrecy in cooperative and multi-hop wireless communications for various radio frequencies are examined. Attenuation lines and ranges of both detection and ultimate secrecy regions were calculated for cooperative communication channel and multi-hop channel with various number of hops. From results, frequency ranges with the highest potential to apply bandwidth saving method known as frequency reuse were determined and compared to point-to-point channel. Frequencies with the highest attenuation were derived and their ranges of both detection and ultimate secrecy are calculated. Point-to-point, cooperative and multi-hop channels were compared in terms of ultimate secrecy ranges. Multi-hop channel measurements were made with different number of hops and the relation between the number of hops and communication security is examined. Ultimate secrecy ranges were calculated up to 1 Terahertz and found to be less than 13 meters between 550-565 GHz frequency range. Therefore, for short-range wireless communication systems such as indoor and in-device communication systems (board-to-board or chip-to-chip communications), it is shown that various bands in the Terahertz band can be used to reuse the same frequency in different locations to obtain high security and high bandwidth.
2020-11-09
Ekşim, A., Demirci, T..  2019.  Ultimate Secrecy in Wireless Communications. 2019 11th International Conference on Electrical and Electronics Engineering (ELECO). :682–686.
In this work, communication secrecy in the physical layer for various radio frequencies is examined. Frequencies with the highest level of secrecy in 1-1000 GHz range and their level of communication secrecy are derived. The concept of ultimate secrecy in wireless communications is proposed. Attenuation lines and ranges of both detection and ultimate secrecy are calculated for transmitter powers from 1 W to 1000 W. From results, frequencies with the highest potential to apply bandwidth saving method known as frequency reuse are devised. Commonly used secrecy benchmarks for the given conditions are calculated. Frequencies with the highest attenuation are devised and their ranges of both detection and ultimate secrecy are calculated.
2020-10-29
El-Zoghby, Ayman M., Mosharafa, Ahmed, Azer, Marianne A..  2018.  Anonymous Routing Protocols in MANETs, a Security Comparative Analysis. 2018 14th International Computer Engineering Conference (ICENCO). :254—259.

A Mobile Ad Hoc Network (MANET) is considered a type of network which is wireless and has no fixed infrastructure composed of a set if nodes in self organized fashion which are randomly, frequently and unpredictably mobile. MANETs can be applied in both military and civil environments ones because of its numerous applications. This is due to their special characteristics and self-configuration capability. This is due to its dynamic nature, lack of fixed infrastructure, and the no need of being centrally managed; a special type of routing protocols such as Anonymous routing protocols are needed to hide the identifiable information of communicating parties, while preserving the communication secrecy. This paper provides an examination of a comprehensive list of anonymous routing protocols in MANET, focusing their security and performance capabilities.