Caracterización de propagación y rendimiento del IEEE 802.11ah (Throughput and Range Characterization of IEEE 802.11ah)

Victor Baños (victor.banos@entel.upc.edu)2, Muhammad Shahwaiz Afaqui (shahwaiz.afaqui@nuim.ie)1, Elena Lopez (elopez@entel.upc.edu)2, Eduard Garcia (eduardg@entel.upc.edu)2


1Maynooth University
2Universidad Politécnica de Cataluña

This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2017
Volume: 15,   Issue: 9 
ISSN: 1548-0992


Abstract:
The most essential part of Internet of Things (IoT) infrastructure is the wireless communication system that acts as a bridge for the delivery of data and control messages. However, the existing wireless technologies lack the ability to support a huge amount of data exchange from many battery driven devices spread over a wide area. In order to support the IoT paradigm, the IEEE 802.11 standard committee is in process of introducing a new standard, called IEEE 802.11ah. This is one of the most promising and appealing standards, which aims to bridge the gap between traditional mobile networks and the demands of the IoT. In this paper, we first discuss the main PHY and MAC layer amendments proposed for IEEE 802.11ah. Furthermore, we investigate the operability of IEEE 802.11ah as a backhaul link to connect devices over a long range. Additionally, we compare the aforementioned standard with previous notable IEEE 802.11 amendments (i.e. IEEE 802.11n and IEEE 802.11ac) in terms of throughput (with and without frame aggregation) by utilizing the most robust modulation schemes. The results show an improved performance of IEEE 802.11ah (in terms of power received at long range while experiencing different packet error rates) as compared to previous IEEE 802.11 standards.

Index Terms:
WLAN, IEEE 802.11ah, Internet of Things   


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