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Throughput and Energy Efficiency Analysis of the IEEE 802.11ah Restricted Access Window Mechanism

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Smart and Innovative Trends in Next Generation Computing Technologies (NGCT 2017)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 828))

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Abstract

Internet of Things (IoT) is an emerging technology, which enables the interconnection of computing devices through Internet. IEEE 802.11ah is introduced as an amendment to IEEE 802.11 standard to provide ubiquitous connectivity, scalability and to reduce the energy consumption in dense networks like IoT. IEEE 802.11ah implements Restricted Access Window (RAW) mechanism to reduce packet collisions and improve energy efficiency. RAW reduces contention among the devices by dividing them into several groups and channel time into various slots. In this article, we have developed an analytical model to evaluate the performance of RAW mechanism in terms of throughput and energy efficiency in a dense IoT network. We have also analyzed the performance of RAW mechanism for different Modulation and Coding Schemes (MCS) proposed in the draft standard. The analytical model has been validated through the simulation studies. The results show that, the RAW mechanism outperforms the legacy DCF in a dense IoT scenario.

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Notes

  1. 1.

    According to the 802.11ah draft [6] the default value of m and R are chosen as 5 and 7 and \(CW_{min}=32\).

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, National Institute of Technology Puducherry, Karaikal, Union Territory of Puducherry, India

    Miriyala Mahesh & V. P. Harigovindan

Authors
  1. Miriyala Mahesh
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  2. V. P. Harigovindan
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Correspondence to Miriyala Mahesh .

Editor information

Editors and Affiliations

  1. Indian Institute of Technology Patna, Patna, Bihar, India

    Pushpak Bhattacharyya

  2. University of Petroleum and Energy Studies, Dehradun, India

    Hanumat G. Sastry

  3. University of Petroleum and Energy Studies, Dehradun, India

    Venkatadri Marriboyina

  4. University of Petroleum and Energy Studies, Dehradun, India

    Rashmi Sharma

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Mahesh, M., Harigovindan, V.P. (2018). Throughput and Energy Efficiency Analysis of the IEEE 802.11ah Restricted Access Window Mechanism. In: Bhattacharyya, P., Sastry, H., Marriboyina, V., Sharma, R. (eds) Smart and Innovative Trends in Next Generation Computing Technologies. NGCT 2017. Communications in Computer and Information Science, vol 828. Springer, Singapore. https://doi.org/10.1007/978-981-10-8660-1_17

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  • DOI: https://doi.org/10.1007/978-981-10-8660-1_17

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-8659-5

  • Online ISBN: 978-981-10-8660-1

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