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In multirate ad hoc networks, mobile stations usually adapt their transmission rates to the channel conditions. This paper investigates the behavior of IEEE 802.11b/g cards in a multirate ad hoc environment. The theoretical upper bound estimation of the throughput in multirate ad hoc networks is derived. The measurement scenarios and obtained results are presented. For result validation the theoretical and experimental values are compared. The achieved results, presented in the form of figures, show that cards manufactured by independent vendors perform differently. Therefore, choosing the optimum configuration, according to the user's requirements, is possible.
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Tom
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12--19
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Bibliogr. 17 poz., rys., tab.
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- Department of Telecommunications, AGH University of Science and Technology, A. Mickiewicza st 30, 30-059 Krakow, Poland, kosek@kt.agh.edu.pl
Bibliografia
- [1] “IEEE Standards for Information Technology – Telecommunications and Information Exchange between Systems – Local and Metropolitan Area Network – Specific Requirements” – Part 11: “Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications”, IEEE 802.11, 1999 Edition (ISO/IEC 8802-11: 1999).
- [2] “IEEE Standard for Information Technology – Telecommunications and Information Exchange between Systems – Local and Metropolitan Area Networks – Specific Requirements” – Part 11: “Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications”, Amendment 1: “High-speed Physical Layer in the 5 GHz band”, IEEE 802.11a-1999 (8802-11:1999/Amd 1:2000(E)).
- [3] Supplement to 802.11-1999, “Wireless LAN MAC and PHY Specifications: Higher-speed Physical Layer (PHY) Extension in the 2.4 GHz Band”, IEEE 802.11b-1999.
- [4] “IEEE Standard for Information Technology – Telecommunication and Information Exchange between Systems – Local and Metropolitan Area Networks – Specific Requirements” – Part 11: “Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications” – Amendment 4: “Further Higher-speed Physical Layer Extension in the 2.4 GHz Band”, IEEE 802.11g-2003.
- [5] D. Stefano, G. Terrazzino, L. Scalia, I. Tinnirello, G. Bianchi, and C. Giaconia, “An experimental test-bed and methodology for characterizing IEEE 802.11 network cards,” in Proc. Int. Symp. World Wirel. Mob. Multimed. Netw., Niagara-Falls, USA, 2006.
- [6] B. Awerbuch, D. Holmer, and H. Rubens, “High throughput route selection in multi-rate ad hoc wireless networks”, Tech. Rep., Johns Hopkins University, Computer Science Department, 2003.
- [7] Madwifi: “Multiband Atheros driver for WiFi”, Sept. 2005, http://madwifi.sourceforge.net/
- [8] M. Lacage, M. H. Manshaei, and T. Turletti, “IEEE 802.11 rate adaptation: a practical approach”, INRIA Res. Rep., no. 5208, 2004.
- [9] J. Bicket, “Bit-rate selection in wireless networks”, Master’s thesis. Cambridge: MIT, 2005.
- [10] G. Holland, N. H. Vaidya, and P. Bahl, “A rate-adaptive MAC protocol for multi-hop wireless networks”, in Proc. ACM Int. Conf. Mob. Comp. Netw. MobiCom 2001, Rome, Italy, 2001.
- [11] B. Sadeghi, V. Kanodia, A. Sabharwal, and E. Knightly, “Opportunistic media access for multirate ad hoc networks”, in Proc. ACM MobiCom 2002 Conf., Atlanta, USA, 2002.
- [12] “IEEE Standard for Information Technology – Telecommunications and Information Exchange between Systems – Local and Metropolitan Area Networks – Specific Requirements” – Part 11: “Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications” – Amendment 8: “Medium Access Control (MAC) Quality of Service Enhancements”, IEEE 802.11e-2005.
- [13] D. Stefano, A. Scaglione, G. Terrazzino, I. Tinnirello, V. Ammirata, L. Scalia, G. Bianchi, and C. Giaconia, “On the fidelity of IEEE 802.11 commercial cards”, in Proc. First Int. Conf. Wirel. Intern., Budapest, Hungary, 2005.
- [14] R. G. Garroppo, S. Giordano, and S. Lucetti, “IEEE 802.11 b perfor mance evaluation: convergence of theoretical, simulation and experimental results”, in 11th Int. Telecommun. Netw. Strat. Plann. Symp., NETWORKS 2004, Vienna, Austria, 2004.
- [15] E. Pelletta and H. Velayos, “Performance measurements of the saturation throughput in IEEE 802.11 access points”, in Proc. Third Int. Symp. Model. Opt. Mob. Ad Hoc, Wirel. Netw., Riva Del Garda, Italy, 2005.
- [16] J. B. Lee and A. Elftheriadis, “A performance analysis for the IEEE 802.11 wireless LAN MAC protocol”, IEEE Trans. Netw., March 1998, http://comet.columbia.edu/∼campbell/andrew/publications/ alex.htm
- [17] M. Natkaniec, “A performance analysis of the IEEE 802.11 DCF protocol”, in PGTS 2002 Conf., Gdańsk, Poland, 2002.
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bwmeta1.element.baztech-article-BAT8-0010-0027