Adaptive transmission scheme using dynamic aggregation and fragmentation in WLAN MAC

Hun Je Yeon, Samir Kant Sahu, Woojin Park, Jin Wook Lee, Jai Yong Lee

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

Transmission Opportunity (TXOP) which is specified in the IEEE 802.11e enables a Wi-Fi station to transmit multiple frames consecutively. In this paper, we propose an adaptive transmission scheme based on the Dynamic Aggregation and Fragmentation (DAF) algorithm. With real-time scheduling and adaptive TXOP allocation being the main focus of the suggested adaptive transmission scheme, optimum transmission parameters are also calculated and used under different Bit Error Rate (BER) conditions. The suggested transmission scheme works in synchronous with the DAF scheme which focuses mainly on efficient use of TXOP and minimizing retransmissions by adjusting the frame and fragment size dynamically. Analytical model for the scheme is developed to evaluate the throughput, delay performance, and stability with respect to different traffic classes and scenarios, and proved with NS-3 simulator. The simulation result shows that there is significant throughput improvement keeping the delay minimum with the scheme while ensuring long term fairness and performance stability to channel conditions and underlying physical rates.

Original languageEnglish
Title of host publicationIEEE Wireless Communications and Networking Conference, WCNC
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1532-1537
Number of pages6
ISBN (Electronic)9781479930838
DOIs
Publication statusPublished - 2014 Jan 1
Event2014 IEEE Wireless Communications and Networking Conference, WCNC 2014 - Istanbul, Turkey
Duration: 2014 Apr 62014 Apr 9

Other

Other2014 IEEE Wireless Communications and Networking Conference, WCNC 2014
CountryTurkey
CityIstanbul
Period14/4/614/4/9

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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    Yeon, H. J., Sahu, S. K., Park, W., Lee, J. W., & Lee, J. Y. (2014). Adaptive transmission scheme using dynamic aggregation and fragmentation in WLAN MAC. In IEEE Wireless Communications and Networking Conference, WCNC (pp. 1532-1537). [6952437] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/WCNC.2014.6952437