Performance Analysis of NAV Based Contention Window in IEEE 802.11 LAN

• CHOI Seung-Sik

  Computer Eng., University of Incheon

抄録

In IEEE 802.11 standard, the contention window (CW) sizes are not efficient because it does not consider the system load. There has been several mechanisms to achieve the maximum throughput by the optimal CW. But some parameters such as the number of stations and system utilization are difficult to measure in WLAN systems. To solve this problem, we use the network allocation vector (NAV) which represents the transmission of other stations. This parameter can be used to measure the system load. Thus, the CW sizes can be estimated by the system load. In this paper, we derive the analytical model for the optimal CW sizes and the maximum throughput using the NAV and show the relationships between the CW sizes, the throughput and the NAV.

収録刊行物

• IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences

  IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E97.A (1), 436-439, 2014

  一般社団法人 電子情報通信学会

キーワード

• IEEE802.11 LAN
• contention window
• backoff
• CSMA/CA

詳細情報

• CRID: 1390001206311743616
• NII論文ID: 130003385382
• NII書誌ID: AA10826239
• DOI: 10.1587/transfun.e97.a.436
• ISSN: 17451337
• ISSN: 09168508
• NDL書誌ID: 025115122
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I025115122
• Web Site: https://www.jstage.jst.go.jp/article/transfun/E97.A/1/E97.A_436/_pdf
• 本文言語コード: en
• データソース種別:
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