Wireless Personal Communications

, Volume 93, Issue 2, pp 287–309 | Cite as

A Novel White Space Optimization Scheme Using Memory Enabled Genetic Algorithm in Cognitive Vehicular Communication

  • Faisal Riaz
  • Imran Shafi
  • Sohail Jabbar
  • Shehzad Khalid
  • Seungmin Rho


A dedicated single short range communication link is not efficient for an inter-vehicular communication system and results into degraded performance. To address the problem, a cognitive radio site is proposed as an intelligent vehicular device to implement an inter-vehicular communication network using multiple radio access technologies. Further, the whitespace optimization at vehicular speed is achieved by the memory enabled genetic algorithm. The algorithm makes use of four cognitive radio decision variables as genes including frequency, power, data rate and modulation scheme in the chromosome structure. The performance of the proposed approach is validated against the classical genetic algorithm and particle swarm optimization algorithm. In this research, a statistical evaluation is also presented to confirm the potential of cognitive radio paradigm employing multiple radio access technologies as an option to fulfill the increasing bandwidth demand of an inter-vehicular communication system. Experimental results demonstrate the effectiveness of the approach by ensuring efficient bandwidth utilization and fulfilling varying nature of users’ quality of service requirements in real time.


Cognitive radio Multi-RAT Memory enabled genetic algorithm Vehicular cyber physical system (VCPS) White space optimization 


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Faisal Riaz
    • 1
  • Imran Shafi
    • 2
  • Sohail Jabbar
    • 3
  • Shehzad Khalid
    • 4
  • Seungmin Rho
    • 5
  1. 1.Department of Computing and TechnologyIqra UniversityIslamabadPakistan
  2. 2.Department of Computing and TechnologyAbasyn University Islamabad CampusPeshawarPakistan
  3. 3.Department of Computer ScienceCOMSATS Institute of Information TechnologySahiwalPakistan
  4. 4.Bahria University IslamabadIslamabadPakistan
  5. 5.Department of MultimediaSungkyul UniversityAnyangKorea

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