A Dual-Channel MAC Protocol Using Directional Antennas in Location Aware Ad Hoc Networks

  • DoHyung Han
  • JeongWoo Jwa
  • HanIl Kim
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3983)


Ad hoc MAC protocols using directional antennas can be used to improve the network capacity by improving spatial reuse. But, directional MAC protocols have the problem of deafness and have a poor throughput performance. The dual-channel MAC protocol with an omnidirectional antenna has been proposed to mitigate deafness. In this paper, we propose a dual-channel MAC protocol using the omnidirectional antenna for control channel and directional antennas for data channel. In the proposed MAC protocol, the omnidirectional antenna used in control channel mitigates deafness and directional antennas used in data channel improve spatial reuse. The throughput performance of the proposed MAC protocol is confirmed by computer simulations using Qualnet ver. 3.8 simulator.


Medium Access Control Control Channel Average Throughput Data Channel Directional Antenna 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • DoHyung Han
    • 1
  • JeongWoo Jwa
    • 1
  • HanIl Kim
    • 2
  1. 1.Department of Telecommunication EngineeringCheju National UniversityJejuKorea
  2. 2.Department of Computer EducationCheju National UniversityJejuKorea

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