LTE transmission in unlicensed bands: evaluating the impact over clear channel assessment

Babak Mafakheri*, Leonardo Goratti, Roberto Riggio, Chiara Buratti, Sam Reisenfeld

*Corresponding author for this work

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

2 Citations (Scopus)

Abstract

Among the significant advances in mobile network technology, as evident in the latest 3GPP releases, one of the most notable is the possibility to do aggregation between licensed and unlicensed carriers. With LTE transmitting over unlicensed bands, obvious concerns of a fair co- existence with other preexisting technologies have risen up. In this study, we aim to evaluate the impact of LTE transmission on the key mechanism of Clear Channel Assessment (CCA), which is common to several unlicensed systems, amongst which Wi-Fi is the most notable. Relying on the statistical tool of stochastic geometry and a semianalytical approach, we will obtain the probabilities of Wi-Fi preamble false alarm and detection under a wide set of realistic propagation effects, such as path-loss and Rayleigh distributed fading. Above all, we will model the effect of a single LTE downlink interfering transmission, as well as the aggregate interference effect. Hence, we shall be able to evaluate the modified energy detection threshold that has been long debated between 3GPP and IEEE 802.11 Working Groups.

Original languageEnglish
Title of host publication2018 27th International Conference on Computer Communication and Networks (ICCCN)
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages1-8
Number of pages8
ISBN (Electronic)9781538651568
ISBN (Print)9781538651575
DOIs
Publication statusPublished - 2018
Event27th International Conference on Computer Communications and Networks, ICCCN 2018 - Hangzhou City, Zhejiang Province, China
Duration: 30 Jul 20182 Aug 2018

Publication series

Name
ISSN (Print)1095-2055

Conference

Conference27th International Conference on Computer Communications and Networks, ICCCN 2018
CountryChina
CityHangzhou City, Zhejiang Province
Period30/07/182/08/18

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