An Energy Efficient Multiuser Uplink Transmission Scheme in the Next Generation WLAN for Internet of Things

This paper proposes a novel and energy efficient Internet of Things (IoT) communication scheme for next generation Wireless Local Area Network (WLAN). There are a couple of crucial requirements among unique IoT requirements: a large number of communication devices must be supported, and they must ha...

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Main Authors: Woojin Ahn, Young Yong Kim, Ronny Yongho Kim
Format: Article
Language:English
Published: Wiley 2016-07-01
Series:International Journal of Distributed Sensor Networks
Online Access:https://doi.org/10.1177/155014771512054
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author Woojin Ahn
Young Yong Kim
Ronny Yongho Kim
author_facet Woojin Ahn
Young Yong Kim
Ronny Yongho Kim
author_sort Woojin Ahn
collection DOAJ
description This paper proposes a novel and energy efficient Internet of Things (IoT) communication scheme for next generation Wireless Local Area Network (WLAN). There are a couple of crucial requirements among unique IoT requirements: a large number of communication devices must be supported, and they must have low power consumption. Since sensor-type IoT devices, which are expected to be one of the major types of IoT devices, normally generate uplink traffic rather than downlink traffic, an energy efficient multiuser uplink transmission scheme is a crucial feature of IoT communication. In the next generation WLAN, IEEE 802.11ax, Orthogonal Frequency Division Multiple Access (OFDMA) is adopted to support a greater number of devices. However, uplink OFDMA procedures that consider the unique IoT requirements have not been fully considered in the next generation WLANs. A random access-based WLAN uplink OFDMA transmission scheme is proposed in this paper, and analytical modeling of the proposed scheme is provided. The proposed random access-based WLAN uplink OFDMA transmission scheme is able to dynamically adjust the number of contending users by uniquely applying congestion status in a very simple and distributed manner. Our numerical analysis and extensive simulation corroborate the fact that the proposed scheme is able to support a greater number of IoT devices with less power consumption.
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spelling doaj-art-ce6b928fad6f434ca1d90dad78b9fde22025-08-20T03:25:08ZengWileyInternational Journal of Distributed Sensor Networks1550-14772016-07-011210.1177/155014771512054An Energy Efficient Multiuser Uplink Transmission Scheme in the Next Generation WLAN for Internet of ThingsWoojin Ahn0Young Yong Kim1Ronny Yongho Kim2 Department of Electrical and Electronic Engineering, Yonsei University, Seoul 03722, Republic of Korea Department of Electrical and Electronic Engineering, Yonsei University, Seoul 03722, Republic of Korea Department of Railroad Electrical and Electronics Engineering, Korea National University of Transportation, Uiwang 16106, Republic of KoreaThis paper proposes a novel and energy efficient Internet of Things (IoT) communication scheme for next generation Wireless Local Area Network (WLAN). There are a couple of crucial requirements among unique IoT requirements: a large number of communication devices must be supported, and they must have low power consumption. Since sensor-type IoT devices, which are expected to be one of the major types of IoT devices, normally generate uplink traffic rather than downlink traffic, an energy efficient multiuser uplink transmission scheme is a crucial feature of IoT communication. In the next generation WLAN, IEEE 802.11ax, Orthogonal Frequency Division Multiple Access (OFDMA) is adopted to support a greater number of devices. However, uplink OFDMA procedures that consider the unique IoT requirements have not been fully considered in the next generation WLANs. A random access-based WLAN uplink OFDMA transmission scheme is proposed in this paper, and analytical modeling of the proposed scheme is provided. The proposed random access-based WLAN uplink OFDMA transmission scheme is able to dynamically adjust the number of contending users by uniquely applying congestion status in a very simple and distributed manner. Our numerical analysis and extensive simulation corroborate the fact that the proposed scheme is able to support a greater number of IoT devices with less power consumption.https://doi.org/10.1177/155014771512054
spellingShingle Woojin Ahn
Young Yong Kim
Ronny Yongho Kim
An Energy Efficient Multiuser Uplink Transmission Scheme in the Next Generation WLAN for Internet of Things
International Journal of Distributed Sensor Networks
title An Energy Efficient Multiuser Uplink Transmission Scheme in the Next Generation WLAN for Internet of Things
title_full An Energy Efficient Multiuser Uplink Transmission Scheme in the Next Generation WLAN for Internet of Things
title_fullStr An Energy Efficient Multiuser Uplink Transmission Scheme in the Next Generation WLAN for Internet of Things
title_full_unstemmed An Energy Efficient Multiuser Uplink Transmission Scheme in the Next Generation WLAN for Internet of Things
title_short An Energy Efficient Multiuser Uplink Transmission Scheme in the Next Generation WLAN for Internet of Things
title_sort energy efficient multiuser uplink transmission scheme in the next generation wlan for internet of things
url https://doi.org/10.1177/155014771512054
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