Throughput rate of DCF Protocol based Ricean fading channel in the IEEE 802.1la wireless LAN.

라이시안 페이딩 채널환경에서 IEEE 802.11a 무선 LAN의 DCF 처리율

  • 하은실 (성균관대학교 정보통신 연구실) ;
  • 정진욱 (성균관대학교 정보통신 연구실) ;
  • 이하철 (유한대학교 정보통신학과)
  • Published : 2005.09.01

Abstract

This paper explores the throughput performance of CSMA/CA-based DCF protocol over frequency-selective, slow Ricean fading channels with both the $E_{b}/N_{o}$ and BER at the MAC layer in the 802.1 la wireless LAN. By exploring the throughput of DCF protocol with the data rate of 6Mbps, 12 Mbps, 24 Mbps and 54 Mbps, we find the fact that the higher the $E_{b}/N_{o}$ be and the less the BER be, the higher the throughput be.

본 논문애서는 IEEE 802.11a 무선 LAN에서 주파수 선택적이고 완만하게 변하는 Ricean 페이딩 채널환경을 고려하여 $E_{b}/N_{o}$ 및 BER에 따른 MAC(Medium Access Control) 계층의 CSMA/CA 기반 DCF(Distributed Coordination Function) 처리율을 분석하였다. 또한 처리율을 분석하는 데 단말수 및 MSDU(MAC SDU) 크기도 고려하였으며 IEEE 802.11a의 필수 전송속도인 6, 12, 24Mbps 및 54Mbps급에 대하여 검토한 결과 $E_{b}/N{o}$가 증가할 수록 BER이 감소할수록 처리율은 증가한다는 것을 알 수 있다.

Keywords

References

  1. IEEE 802.11 b, 'Part 11: Wireless LAN Medium Access Control(MAC) and Physical Layer(PHY) Specification,' 1997
  2. IEEE 802.11b, 'Part 11: Wireless LAN Medium Access Control(MAC) and Physical Layer(PHY) Specification: High-Speed Physical Layer Extension in the 2.4 GHz Band,' 1999
  3. Upkar Varshney, 'The Status and Future of 802.11-based WLANs,' IEEE Computer, pp. 102-105, June 2003
  4. Yang Xiao and Jon Rosdahl, 'Throughput and Delay Limits of IEEE 802.11,' IEEE Communications Letters, Vol. 6, No. 8, pp. 355-357, August 2002 https://doi.org/10.1109/LCOMM.2002.802035
  5. Jangeun Jun, Pushkin Peddabachagari and Mihail Sichitiu, 'Theoretical Maximum Throughput of IEEE 802.11 and its Applications,' Proceedings of the Second IEEE International Symposium on Network Computing and Applications(NCA'03), 2003
  6. Kin K. Leung, Bruce McNair, Leonard J. Cimini and Jack H. Winters, 'Outdoor IEEE 802.11 Cellular Networks: MAC Protocol Design and Performance,' IEEE, pp. 595-599, 2002
  7. Juha Heiskala and John Terry, 'OFDM Wireless LANs : A Theoretical and Practical Guide,' Sams Publishing, 2002
  8. Jim Geier, 'Wireless LANs,' Sams Publishing, 2002
  9. M. V. Clark, K. K. Leung, B. McNair and Z. Kostic, 'Outdoor 802.11 Cellular Networks: Radio Link Performance,' Proc. IEEE ICC, pp. 512 - 516, 2002
  10. Proakis, J.G., Digital Communications, 4th ed., McGraw Hill, New York, NY, 2001
  11. Clark, G.C., Jr. & Cain, lB., Error-Correction Coding for Digital Communications, Plenum Press, New York, NY, 1981