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Efficient Management of Channel Bonding in the Current IEEE 802.11ac Standard

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Part of the Lecture Notes in Networks and Systems book series (LNNS,volume 102)

Abstract

IEEE 802.11ac is a Very High Throughput (VHT) Wireless Local Area Network (WLAN) introduced to reach 7 Gbps over 5 GHz bandwidth. This data rate is achieved through several enhancements to the physical (PHY) layer and medium access control (MAC) sub-layer. Channel bonding is one of the new technologies introduced in IEEE 802.11ac that increases channel bandwidth by combining multiple 20 MHz channels. To access the wide channel, IEEE 802.11ac specified a multichannel MAC procedure, known as: Dynamic Multichannel Access (DMA) that operates under the Enhanced Distributed Channel Access (EDCA) operating rules. In this paper, we demonstrate that: (i) the basic rules of EDCA function causes the access equity problem between the data streams, (ii) the DMA procedure is not effectively managing the bandwidth allocated to the IEEE 802.11ac WLAN. This is why, our purpose in this work is proposing a new MAC procedure called EDMA (Enhanced Dynamic Multichannel Access) that enhances the existing DMA procedure, in order to efficiently use the radio resources while distributing them equitably on different data streams. The simulation results show that the new EDMA procedure provides satisfactory results (in terms of throughput) by comparing it with the DMA procedure.

Keywords

  • IEEE 802.11ac WLAN
  • Channel bonding
  • Multichannel access procedures
  • Simulation and performance analysis

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Correspondence to Mohand Yazid .

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Halfaoui, F., Yazid, M., Bouallouche-Medjkoune, L. (2020). Efficient Management of Channel Bonding in the Current IEEE 802.11ac Standard. In: Hatti, M. (eds) Smart Energy Empowerment in Smart and Resilient Cities. ICAIRES 2019. Lecture Notes in Networks and Systems, vol 102. Springer, Cham. https://doi.org/10.1007/978-3-030-37207-1_32

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  • DOI: https://doi.org/10.1007/978-3-030-37207-1_32

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-37206-4

  • Online ISBN: 978-3-030-37207-1

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