Priority-based scheduling for limited energy cognitive relaying

M. Elsaadany, T. Khattab, M. Hasna, M. Abdallah, M. Khairy

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

We study the problem of cognitive relaying with limited-energy constraint in opportunistic spectrum access cognitive networks. Under this network setting, the cognitive user increases the spectrum availability for its own packets by relaying the unsuccessfully transmitted packets of the licensed user. We develop scheduling strategy at the cognitive user that maintains a strict spectrum access priority for licensed user packets and improves the average transmission delay for the cognitive and primary users. We study the effect of the relative location of the cognitive node with respect to the licensed user and its primary destination on the average transmission delay of both cognitive and primary users as well as the lifetime of the cognitive user. Our results show that there exists a tradeoff between average packet delay of the cognitive and primary users and lifetime of the cognitive user with respect to the cognitive user location. In particular, we demonstrate that there exists an optimal cognitive relay location that minimizes the average transmission delay of the primary packets.

Original languageEnglish
Title of host publicationICT 2010
Subtitle of host publication2010 17th International Conference on Telecommunications
Pages848-852
Number of pages5
DOIs
Publication statusPublished - 19 Jul 2010
Event2010 17th International Conference on Telecommunications, ICT 2010 - Doha, Qatar
Duration: 4 Apr 20107 Apr 2010

Publication series

NameICT 2010: 2010 17th International Conference on Telecommunications

Other

Other2010 17th International Conference on Telecommunications, ICT 2010
CountryQatar
CityDoha
Period4/4/107/4/10

    Fingerprint

Keywords

  • Cognitive relaying
  • Delay
  • Lifetime

ASJC Scopus subject areas

  • Computer Networks and Communications

Cite this

Elsaadany, M., Khattab, T., Hasna, M., Abdallah, M., & Khairy, M. (2010). Priority-based scheduling for limited energy cognitive relaying. In ICT 2010: 2010 17th International Conference on Telecommunications (pp. 848-852). [5478826] (ICT 2010: 2010 17th International Conference on Telecommunications). https://doi.org/10.1109/ICTEL.2010.5478826