Modelling Passive Spherical Reflectors to Improve Millimetre Wave Coverage in Corridors

Priya Qualtrough‐Mittal; Michael Neve; Andrew C M Austin

doi:10.23919/EuCAP63536.2025.11000006

Modelling Passive Spherical Reflectors to Improve Millimetre Wave Coverage in Corridors

Priya Qualtrough‐Mittal^*, Michael Neve, Andrew C M Austin

^*Corresponding author for this work

School of Electrical, Electronic and Mechanical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

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Abstract

The millimetre wave frequency band presents challenges with coverage into non-line-of-sight regions, resulting in significant shadowing. This can become particularly prevalent in indoor corridor environments where there are many human obstacles. In this work, quarter-sphere reflectors have been investigated to provide additional ray paths along a corridor. Placement of a reflector in the centre or far end of the corridor provided more coverage than a reflector placed directly next to the source. Deployment of multiple reflectors improved coverage, regardless of wall placement, with use of 4 or more reflectors providing coverage to more than 95% of user locations. Furthermore, in cases where more than one reflector is deployed, contributions from multiple reflectors were received at some user locations, leading to increased received power.

Original language	English
Title of host publication	2025 19th European Conference on Antennas and Propagation (EuCAP)
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Number of pages	5
ISBN (Electronic)	9788831299107
ISBN (Print)	9798350366327
DOIs	https://doi.org/10.23919/EuCAP63536.2025.11000006
Publication status	Published - 21 May 2025
Event	19th European Conference on Antennas and Propagation - Stockholm, Sweden Duration: 30 Mar 2025 → 4 Apr 2025 https://www.eucap2025.org/

Publication series

Name	European Conference on Antennas and Propagation, EuCAP
Publisher	IEEE
ISSN (Print)	0000-0000
ISSN (Electronic)	0000-0000

Seminar

Seminar	19th European Conference on Antennas and Propagation
Abbreviated title	EuCAP 2025
Country/Territory	Sweden
City	Stockholm
Period	30/03/25 → 4/04/25
Internet address	https://www.eucap2025.org/

Bibliographical note

Publisher Copyright:
© 2025 European Association on Antennas and Propagation.

Research Groups and Themes

Communication Systems and Networks

Access to Document

10.23919/EuCAP63536.2025.11000006

Full-text PDF (accepted manuscript)
This is the accepted author manuscript (AAM) of the article which has been made Open Access under the University of Bristol's Scholarly Works Policy. The final published version (Version of Record) can be found on the publisher's website. The copyright of any third-party content, such as images, remains with the copyright holder.
Accepted author manuscript, 1.07 MBLicence: CC BY

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Qualtrough‐Mittal, P., Neve, M., & Austin, A. C. M. (2025). Modelling Passive Spherical Reflectors to Improve Millimetre Wave Coverage in Corridors. In 2025 19th European Conference on Antennas and Propagation (EuCAP) (European Conference on Antennas and Propagation, EuCAP). Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.23919/EuCAP63536.2025.11000006

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title = "Modelling Passive Spherical Reflectors to Improve Millimetre Wave Coverage in Corridors",

abstract = "The millimetre wave frequency band presents challenges with coverage into non-line-of-sight regions, resulting in significant shadowing. This can become particularly prevalent in indoor corridor environments where there are many human obstacles. In this work, quarter-sphere reflectors have been investigated to provide additional ray paths along a corridor. Placement of a reflector in the centre or far end of the corridor provided more coverage than a reflector placed directly next to the source. Deployment of multiple reflectors improved coverage, regardless of wall placement, with use of 4 or more reflectors providing coverage to more than 95\% of user locations. Furthermore, in cases where more than one reflector is deployed, contributions from multiple reflectors were received at some user locations, leading to increased received power.",

author = "Priya Qualtrough‐Mittal and Michael Neve and Austin, \{Andrew C M\}",

note = "Publisher Copyright: {\textcopyright} 2025 European Association on Antennas and Propagation.; 19th European Conference on Antennas and Propagation, EuCAP 2025 ; Conference date: 30-03-2025 Through 04-04-2025",

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doi = "10.23919/EuCAP63536.2025.11000006",

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isbn = "9798350366327",

series = "European Conference on Antennas and Propagation, EuCAP",

publisher = "Institute of Electrical and Electronics Engineers (IEEE)",

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Qualtrough‐Mittal, P, Neve, M & Austin, ACM 2025, Modelling Passive Spherical Reflectors to Improve Millimetre Wave Coverage in Corridors. in 2025 19th European Conference on Antennas and Propagation (EuCAP). European Conference on Antennas and Propagation, EuCAP, Institute of Electrical and Electronics Engineers (IEEE), 19th European Conference on Antennas and Propagation, Stockholm, Sweden, 30/03/25. https://doi.org/10.23919/EuCAP63536.2025.11000006

Modelling Passive Spherical Reflectors to Improve Millimetre Wave Coverage in Corridors. / Qualtrough‐Mittal, Priya; Neve, Michael; Austin, Andrew C M.
2025 19th European Conference on Antennas and Propagation (EuCAP). Institute of Electrical and Electronics Engineers (IEEE), 2025. (European Conference on Antennas and Propagation, EuCAP).

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

TY - GEN

T1 - Modelling Passive Spherical Reflectors to Improve Millimetre Wave Coverage in Corridors

AU - Qualtrough‐Mittal, Priya

AU - Neve, Michael

AU - Austin, Andrew C M

PY - 2025/5/21

Y1 - 2025/5/21

N2 - The millimetre wave frequency band presents challenges with coverage into non-line-of-sight regions, resulting in significant shadowing. This can become particularly prevalent in indoor corridor environments where there are many human obstacles. In this work, quarter-sphere reflectors have been investigated to provide additional ray paths along a corridor. Placement of a reflector in the centre or far end of the corridor provided more coverage than a reflector placed directly next to the source. Deployment of multiple reflectors improved coverage, regardless of wall placement, with use of 4 or more reflectors providing coverage to more than 95% of user locations. Furthermore, in cases where more than one reflector is deployed, contributions from multiple reflectors were received at some user locations, leading to increased received power.

AB - The millimetre wave frequency band presents challenges with coverage into non-line-of-sight regions, resulting in significant shadowing. This can become particularly prevalent in indoor corridor environments where there are many human obstacles. In this work, quarter-sphere reflectors have been investigated to provide additional ray paths along a corridor. Placement of a reflector in the centre or far end of the corridor provided more coverage than a reflector placed directly next to the source. Deployment of multiple reflectors improved coverage, regardless of wall placement, with use of 4 or more reflectors providing coverage to more than 95% of user locations. Furthermore, in cases where more than one reflector is deployed, contributions from multiple reflectors were received at some user locations, leading to increased received power.

UR - https://www.eucap2025.org/

U2 - 10.23919/EuCAP63536.2025.11000006

DO - 10.23919/EuCAP63536.2025.11000006

M3 - Conference Contribution (Conference Proceeding)

SN - 9798350366327

T3 - European Conference on Antennas and Propagation, EuCAP

BT - 2025 19th European Conference on Antennas and Propagation (EuCAP)

PB - Institute of Electrical and Electronics Engineers (IEEE)

T2 - 19th European Conference on Antennas and Propagation

Y2 - 30 March 2025 through 4 April 2025

ER -

Modelling Passive Spherical Reflectors to Improve Millimetre Wave Coverage in Corridors

Abstract

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