Throughput enhancement of restricted access window for uniform grouping scheme in IEEE 802.11 ah

Naveed Nawaz, Maryam Hafeez, SAR Zaidi, D C McLernon, Mounir Ghogho

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

13 Citations (Scopus)

Abstract

IEEE 802.11ah has recently emerged as a promising standard for enabling massive machine-to-machine (M2M) communication. In order to support uplink data transmission from dense machine type clients (such as smart meters, IoT end nodes etc.), 802.11ah relies upon the restricted access window (RAW) based Medium Access Control (MAC) protocol. The underlying motivation behind this protocol is to reduce the contention for spectrum access among a large number of devices. The nodes contend with each other in their assigned RAW slot using Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA). In each RAW slot, the throughput depends upon the number of nodes. Current studies have suggested that the duration of each RAW slot should be the same in the entire RAW frame. However in this paper, we argue that the duration of each RAW slot should be chosen according to the size of the group. We present a model where a RAW frame is divided into two sub-frames and the duration of RAW slots in each sub-frame is chosen according to the size of the group. With the help of an analytical framework, we demonstrate that the throughput under our proposed scheme can be significantly enhanced when compared to a conventional implementation.
LanguageEnglish
Title of host publicationIEEE International Conference on Communications (ICC)
EditorsDavid Gesbert, Merouane Debbah, Abdelhamid Mellouk
PublisherIEEE
Number of pages7
ISBN (Electronic)9781467389990
ISBN (Print)9781467390002
DOIs
Publication statusPublished - Jul 2017
Externally publishedYes
Event2017 IEEE International Conference on Communications: Bridging People, Communities and Cultures - Palais des Congrès - Porte Maillot, Paris, France
Duration: 21 May 201725 May 2017
http://icc2017.ieee-icc.org/ (Link to Conference Website )

Conference

Conference2017 IEEE International Conference on Communications
Abbreviated titleICC'17
CountryFrance
CityParis
Period21/05/1725/05/17
Internet address

Fingerprint

Throughput
Smart meters
Network protocols
Carrier sense multiple access
Medium access control
Collision avoidance
Data communication systems
Machine-to-machine communication
Internet of things

Cite this

Nawaz, N., Hafeez, M., Zaidi, SAR., McLernon, D. C., & Ghogho, M. (2017). Throughput enhancement of restricted access window for uniform grouping scheme in IEEE 802.11 ah. In D. Gesbert, M. Debbah, & A. Mellouk (Eds.), IEEE International Conference on Communications (ICC) IEEE. https://doi.org/10.1109/ICC.2017.7996899
Nawaz, Naveed ; Hafeez, Maryam ; Zaidi, SAR ; McLernon, D C ; Ghogho, Mounir. / Throughput enhancement of restricted access window for uniform grouping scheme in IEEE 802.11 ah. IEEE International Conference on Communications (ICC). editor / David Gesbert ; Merouane Debbah ; Abdelhamid Mellouk. IEEE, 2017.
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abstract = "IEEE 802.11ah has recently emerged as a promising standard for enabling massive machine-to-machine (M2M) communication. In order to support uplink data transmission from dense machine type clients (such as smart meters, IoT end nodes etc.), 802.11ah relies upon the restricted access window (RAW) based Medium Access Control (MAC) protocol. The underlying motivation behind this protocol is to reduce the contention for spectrum access among a large number of devices. The nodes contend with each other in their assigned RAW slot using Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA). In each RAW slot, the throughput depends upon the number of nodes. Current studies have suggested that the duration of each RAW slot should be the same in the entire RAW frame. However in this paper, we argue that the duration of each RAW slot should be chosen according to the size of the group. We present a model where a RAW frame is divided into two sub-frames and the duration of RAW slots in each sub-frame is chosen according to the size of the group. With the help of an analytical framework, we demonstrate that the throughput under our proposed scheme can be significantly enhanced when compared to a conventional implementation.",
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Nawaz, N, Hafeez, M, Zaidi, SAR, McLernon, DC & Ghogho, M 2017, Throughput enhancement of restricted access window for uniform grouping scheme in IEEE 802.11 ah. in D Gesbert, M Debbah & A Mellouk (eds), IEEE International Conference on Communications (ICC). IEEE, 2017 IEEE International Conference on Communications, Paris, France, 21/05/17. https://doi.org/10.1109/ICC.2017.7996899

Throughput enhancement of restricted access window for uniform grouping scheme in IEEE 802.11 ah. / Nawaz, Naveed; Hafeez, Maryam; Zaidi, SAR; McLernon, D C ; Ghogho, Mounir.

IEEE International Conference on Communications (ICC). ed. / David Gesbert; Merouane Debbah; Abdelhamid Mellouk. IEEE, 2017.

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

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Nawaz N, Hafeez M, Zaidi SAR, McLernon DC, Ghogho M. Throughput enhancement of restricted access window for uniform grouping scheme in IEEE 802.11 ah. In Gesbert D, Debbah M, Mellouk A, editors, IEEE International Conference on Communications (ICC). IEEE. 2017 https://doi.org/10.1109/ICC.2017.7996899