Esr: Enhanced spatial reuse mechanism for the next generation wlan-ieee 802.11ax

Yuan Yan, Bo Li, Mao Yang, Zhongjiang Yan

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

. Wireless local area network (WLAN) technology has become mature in the past few decades. However, with the development of social application forms, the situation of high-density deployment of cells has become more frequent in recent years, so the next-generation WLANs face the unprecedented challenge of quality of service (QoS) and quality of experience (QoE) of high-density cell users. In response to this challenge, The Overlapping Basic Service Set Power Detection (OBSS PD) mechanism and Spatial Reuse Parameter (SRP) mechanism are proposed in IEEE 802.11ax (Institute of Electrical and Electronics Engineers) to improve spatial multiplexing capability and certain throughput capabilities. But both of them possess inherent drawbacks. Based on this, this paper proposes an enhanced spatial reuse mechanism, named ESR (Enhanced Spatial Reuse), by limiting the value of the CCA threshold in the SRP mechanism to improve the quality of concurrent links, which further improves the average throughput. Compared to traditional SRP, simulation results show that ESR can increase throughput by 10% and reduce packet loss by 10%.

Original languageEnglish
Title of host publicationIoT as a Service- 4th EAI International Conference, IoTaaS 2018, Proceedings
EditorsBo Li, Mao Yang, Zhongjiang Yan, Hui Yuan
PublisherSpringer Verlag
Pages265-274
Number of pages10
ISBN (Print)9783030146566
DOIs
StatePublished - 2019
Event4th International Conference on IoT as a Service, IoTaaS 2018 - Xi’an, China
Duration: 17 Nov 201818 Nov 2018

Publication series

NameLecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST
Volume271
ISSN (Print)1867-8211

Conference

Conference4th International Conference on IoT as a Service, IoTaaS 2018
Country/TerritoryChina
CityXi’an
Period17/11/1818/11/18

Keywords

  • Clear Channel Assessment (CCA)
  • MAC protocol
  • SRP
  • WLAN

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