Soft Channel Reservation Towards Latency Guarantee for the Next Generation WLAN: IEEE 802.11be

Jianfei Cheng, Bo Li, Mao Yang, Zhongjiang Yan

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

1 Scopus citations

Abstract

Real-time applications (RTAs) are a major challenge for wireless networks. The traditional wireless local area network (WLAN) adopts Enhanced Distributed Channel Access (EDCA) in order to differentiate the quality of services (QoS) based on traffic priorities. However, for the high-dense scenario, the collisions frequently occur, thereby deteriorating both throughput and latency. The next generation WLAN standard: IEEE 802.11be aims to efficiently decrease the latency. Therefore, in this paper, we propose a soft channel in-band reservation protocol (SCRP). SCRP introduces channel reservation to alleviate channel collisions since the ongoing transmission piggybacking the predicted next transmission time. Moreover, a soft reservation canceling scheme is introduced to fully reuse the wireless resources. It means if the nodes who reserve the channel does not has packet to send at the reservation time, a low-overhead frame exchange may flexibly cancel the reservation and, in this case, other nodes can contend the channel resources. Simulation results show that SCRP significantly decreases the latency and improves the throughput of the entire network.

Original languageEnglish
Title of host publicationIoT as a Service - 6th EAI International Conference, IoTaaS 2020, Proceedings
EditorsBo Li, Changle Li, Mao Yang, Zhongjiang Yan, Jie Zheng
PublisherSpringer Science and Business Media Deutschland GmbH
Pages450-461
Number of pages12
ISBN (Print)9783030675134
DOIs
StatePublished - 2021
Event6th EAI International Conference on IoT as a Service, IoTaaS 2020 - Xi'an, China
Duration: 19 Nov 202020 Nov 2020

Publication series

NameLecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST
Volume346
ISSN (Print)1867-8211
ISSN (Electronic)1867-822X

Conference

Conference6th EAI International Conference on IoT as a Service, IoTaaS 2020
Country/TerritoryChina
CityXi'an
Period19/11/2020/11/20

Keywords

  • Channel reservation
  • IEEE 802.11be
  • Low latency
  • Medium access control
  • QoS
  • Real-time application

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