Simulation based channel hardening of cell-free massive MIMO in mm-Wave

Chunxia Qin, Yuan Gao, Jiming Chen, Andrés Alayón Glazunov, Jie Zhang

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

2 Citations (Scopus)
76 Downloads (Pure)

Abstract

In this paper, the spatial distribution of the channel hardening of cell-free massive MIMO array antenna topologies for mm-Wave communications is explored. The simulation of the propagation channels was performed by means of ray tracing computations. The channel hardening is evaluated in two different radio wave propagation channel conditions: first, an indoor office room furnished with desks, chairs and shelters and secondly, the same room without furniture. The spatial distribution of the channel hardening is investigated in both scenarios as a function of the number of antenna elements of the array. The simulation results show that the channel hardening effect is as expected larger in the furnished room as compared with the empty room. Also as expected, the channel hardening increases with the number of antenna elements. An interesting new observation is that the channel hardening is not uniformly distributed within the coverage area. Indeed, for the considered cell-free array antenna topologies and indoor propagation scenarios the channel hardening effect becomes lesser the closer the user gets to the antenna locations and near the walls of the rooms.
Original languageEnglish
Title of host publication2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)
Place of PublicationPiscataway, NJ
PublisherIEEE
Number of pages4
ISBN (Electronic)978-9-4639-6-8027
ISBN (Print)978-1-6654-2995-5
DOIs
Publication statusPublished - 14 Oct 2021
Event34th General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2021 - Rome, Italy
Duration: 28 Aug 20214 Sept 2021
Conference number: 34

Publication series

NameGeneral Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)
PublisherIEEE
Number34
Volume2021
ISSN (Print)2640-7027
ISSN (Electronic)2642-4339

Conference

Conference34th General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2021
Abbreviated titleURSI GASS 2021
Country/TerritoryItaly
CityRome
Period28/08/214/09/21

Keywords

  • 2023 OA procedure

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