Enhancing IEEE 802.11 MAC in congested environments

Computing and Communications

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Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

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Standard

Enhancing IEEE 802.11 MAC in congested environments. / Aad, I.; Ni, Q.; Barakat, C. et al.
Applications and Services in Wireless Networks, 2004. ASWN 2004. 2004 4th Workshop on. New York: IEEE, 2004. p. 82-91.

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

Harvard

Aad, I, Ni, Q, Barakat, C & Turletti, T 2004, Enhancing IEEE 802.11 MAC in congested environments. in Applications and Services in Wireless Networks, 2004. ASWN 2004. 2004 4th Workshop on. IEEE, New York, pp. 82-91, 4th Workshop on Applications and Services in Wireless Networks, Boston, 9/08/04. <http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=1437498>

APA

Aad, I., Ni, Q., Barakat, C., & Turletti, T. (2004). Enhancing IEEE 802.11 MAC in congested environments. In Applications and Services in Wireless Networks, 2004. ASWN 2004. 2004 4th Workshop on (pp. 82-91). IEEE. http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=1437498

Vancouver

Aad I, Ni Q, Barakat C, Turletti T. Enhancing IEEE 802.11 MAC in congested environments. In Applications and Services in Wireless Networks, 2004. ASWN 2004. 2004 4th Workshop on. New York: IEEE. 2004. p. 82-91

Author

Aad, I. ; Ni, Q. ; Barakat, C. et al. / Enhancing IEEE 802.11 MAC in congested environments. Applications and Services in Wireless Networks, 2004. ASWN 2004. 2004 4th Workshop on. New York : IEEE, 2004. pp. 82-91

Bibtex

@inproceedings{9f92a5a0ab7f4f87a2ac29408cfcb697,

title = "Enhancing IEEE 802.11 MAC in congested environments",

abstract = "IEEE 802.11 is the most deployed wireless local area networking standard nowadays. It uses carrier sense multiple access with collision avoidance (CSMA/CA) to resolve contention between nodes. Contention windows (CW) change dynamically to adapt to the contention level: Upon each collision, a node doubles its CW to reduce further collision risks. Upon a successful transmission, the CW is reset, assuming that the contention level has dropped. However, contention level is more likely to change slowly, and resetting the CW causes new collisions and retransmissions before reaching the optimal value again. This wastes bandwidth and increases delays. In this paper we analyze simple slow CW decrease functions and compare their performances to the legacy standard. We use simulations and mathematical modeling to show their considerable improvements at all contention levels and transient phases, especially in high congested environments.",

author = "I. Aad and Q. Ni and C. Barakat and T. Turletti",

year = "2004",

language = "English",

isbn = "0780389603",

pages = "82--91",

booktitle = "Applications and Services in Wireless Networks, 2004. ASWN 2004. 2004 4th Workshop on",

publisher = "IEEE",

note = "4th Workshop on Applications and Services in Wireless Networks ; Conference date: 09-08-2004 Through 11-08-2004",

}

RIS

TY - GEN

T1 - Enhancing IEEE 802.11 MAC in congested environments

AU - Aad, I.

AU - Ni, Q.

AU - Barakat, C.

AU - Turletti, T.

PY - 2004

Y1 - 2004

N2 - IEEE 802.11 is the most deployed wireless local area networking standard nowadays. It uses carrier sense multiple access with collision avoidance (CSMA/CA) to resolve contention between nodes. Contention windows (CW) change dynamically to adapt to the contention level: Upon each collision, a node doubles its CW to reduce further collision risks. Upon a successful transmission, the CW is reset, assuming that the contention level has dropped. However, contention level is more likely to change slowly, and resetting the CW causes new collisions and retransmissions before reaching the optimal value again. This wastes bandwidth and increases delays. In this paper we analyze simple slow CW decrease functions and compare their performances to the legacy standard. We use simulations and mathematical modeling to show their considerable improvements at all contention levels and transient phases, especially in high congested environments.

AB - IEEE 802.11 is the most deployed wireless local area networking standard nowadays. It uses carrier sense multiple access with collision avoidance (CSMA/CA) to resolve contention between nodes. Contention windows (CW) change dynamically to adapt to the contention level: Upon each collision, a node doubles its CW to reduce further collision risks. Upon a successful transmission, the CW is reset, assuming that the contention level has dropped. However, contention level is more likely to change slowly, and resetting the CW causes new collisions and retransmissions before reaching the optimal value again. This wastes bandwidth and increases delays. In this paper we analyze simple slow CW decrease functions and compare their performances to the legacy standard. We use simulations and mathematical modeling to show their considerable improvements at all contention levels and transient phases, especially in high congested environments.

M3 - Conference contribution/Paper

SN - 0780389603

SP - 82

EP - 91

BT - Applications and Services in Wireless Networks, 2004. ASWN 2004. 2004 4th Workshop on

PB - IEEE

CY - New York

T2 - 4th Workshop on Applications and Services in Wireless Networks

Y2 - 9 August 2004 through 11 August 2004

ER -

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