Conferences & Journals

Date Title and authors File
April 2023 An Overview of Recent Development of the Gap-Waveguide Technology for mmWave and sub-THz Applications
Wai Yan Yong (Member, IEEE),  Abbas Vosoogh, Alireza Bagheri, Coen Van De Ven,  Abolfazl Hadaddi, and Andrés Alayón Glazunov (Senior Member, IEEE)
10.1109/ACCESS.2023.3293739
5 June 2023 Impact of dielectric substrate on the performance of an 8 × 8 magneto-electric dipole phased array antenna for 5G mmWave applications
Wai Yan Yong* and Andrés Alayón Glazunov*,**
* Department of Electrical Engineering, University of Twente, Enschede, Netherlands,
** Department of Science and Technology, Linköping University, Norrköping, Sweden
Front. Comms. Net., Sec. System and Test-Bed Design, Volume 4 – 2023 | DOI 10.3389/frcmn.2023.1135941
June 2023 Miniaturization of a Fully Metallic Bandpass Frequency Selective Surface for Millimeter-wave Band Applications
Wai Yan Yong, Member, IEEE and Andres Alayón Glazunov, Senior Member, IEEE
IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATABILITY
March 2023 TX Beamforming EVM Performance of a 65 dBm-EIRP Slant-Polarized Gapwaveguide Phased Array at 28 GHz
Alireza Bagherimoghim, Hanna Karlsson, Carlo Bencivenni, Jose-Ramon Perez-Cisneros, Parastoo Taghikhani, Christian Fager, Andrés Alayón Glazunov
17th European Conference on Antennas and Propagation, EuCAP 2023 Florence, Italy
March 2023 Low-Loss All-Metallic Gap Waveguide-Based Bandpass FSS Radome for Broadside mmWave Applications
Wai Yan Yong*, University of Twente, Abolfazl Hadaddi† and Andrés Alayón Glazunov*
∗University of Twente, Department of Electrical Engineering, Enschede, Netherlands
†GAPWAVES AB, Gothenburg, Sweden
Conference: European Conference on Antenna and Propagation (EuCAP) 2023 Florence, Italy
Feb. 2023 A 28 GHz 8×8 Gapwaveguide Phased Array Employing GaN Front-End with 60 dBm EIRP
Alireza Bagheri, Carlo Bencivenni, Magnus Gustafsson, and Andr ́es Alay ́on Glazunov,Senior Member, IEEE
Journal IEEE transactions on antennas and propagation
13 Dec 2022 A 16×16 45° Slant-Polarized Gapwaveguide Phased Array with 65 dBm EIRP at 28 GHz
Alireza Bagheri, Hanna Karlsson, Carlo Bencivenni, Magnus Gustafsson, Thomas Emanuelsson, Member, IEEE, Marcus Hasselblad, and Andrés Alayón Glazunov, Senior Member, IEEE
JournalIEEE transactions on antennas and propagation
8 Sep. 2022 Design and Characterization of the Fully Metallic Gap Waveguide based Frequency Selective Radomefor Millimeter Wave Fixed Beam Array Antenna
Wai Yan Yong,Graduate Student Member, IEEE, Abolfazl Hadaddi, and Andrés Alayón Glazunov,Senior Member, IEEE
IEEE TRANSACTIONS ON ANTENNA AND PROPAGATION
5 April 2022 Long Term Rain Attenuation Measurement for short-range mmWave Fixed Link using DSD and ITU-R Prediction Models
O. Zahid and S. Salous
Department of Engineering, Durham University, Durham, the United Kingdom
Radio Science,  doi:10.1029/2021RS007307
10 Sep. 2021 Lower-Bound Capacity-Based Wireless Friendliness Evaluation for Walls as Reflectors
Y. Zhang, J. Zhang, X. Chu, and J. Zhang
IEEE Transactions on Broadcasting,  doi: 10.1109/TBC.2021.3113283
28 Aug – 4 Sep 2021 Simulation based channel hardening of cell-free massive MIMO in mm-Wave
C. Qin, Y. Gao, J. Chen, A.A. Glazunov and J. Zhang
URSI General Assembly and Scientific Symposium (URSI GASS), 2021
28 Aug – 4 Sep 2021 Millimeter-Wave Indoor Channel Characterization based on Directional Measurements at 39 GHz and 70 GHz
Amar Al-Jazri, Mohamed Abduali and Sana Salous
URSI General Assembly and Scientific Symposium (URSI GASS), 2021
28 Aug – 4 Sep 2021 MISO Measurements in Indoor Environments at 25 GHz
Mohamed Abdulali, Amar Al-jzari, and Sana Salous
URSI General Assembly and Scientific Symposium (URSI GASS), 2021
21 July 2021 On the Optimal Base-station Height in mmWave Small-cell Networks Considering Cylindrical Blockage Effects
Chen Chen, Graduate Student Member, IEEE, Jiliang Zhang, Senior Member, IEEE,
Xiaoli Chu, Senior Member, IEEE, and Jie Zhang, Senior Member, IEEE
IEEE Transactions on Vehicular Technology DOI:10.1109/TVT.2021.3098626
8 July 2021 Millimeter-wave Human Blockage Model Enhancements for Directional Antennas and Multiple Blockers
D. Prado-Alvarez, Student Member, IEEE, S. Inca, D. Martín-Sacristán and J. F. Monserrat Senior, IEEE
IEEE Communications Letters, doi: 0.1109/LCOMM.2021.3095617
22-26 March 2021 Multi-band Measurements in Indoor Environments
Sana Salous, Amar Al-Jzari, Mohamed Abdulali, and Jack Towers
Durham University, United Kingdom
2021 15th European Conference on Antennas and Propagation (EuCAP)
22-26 March 2021 Millimeter-Wave Indoor Directional Propagation Measurements
Amar Al-jzari, and Sana Salous
Durham University, United Kingdom
2021 15th European Conference on Antennas and Propagation (EuCAP)
25-28 Jan. 2021 A 2-layer 45° -Slant-Polarised Phased Array Antenna with Baffles Based on Gap Waveguide Technology for mmWave 5G Systems
G. Meulman, A. Bagheri and A. A. Glazunov
International Symposium on Antennas and Propagation (ISAP), 2021, pp. 575-576, doi: 10.23919/ISAP47053.2021.9391397
25-27 January 2021 4 × 4 Magneto-Electric Dipole Array with Single-Layer Corporate-Feed Ridge Gap Waveguide for mmWave Applications
Wai Yan Yong1∗, Thomas Emanuelsson2, and Andres Alayón Glazunov´1,3
1 Department of Electrical Engineering, University of Twente, 7522NB, Enschede, The Netherlands.
2 GAPWAVES AB, Gothenburg, Sweden
International Symposium on Antennas and Propagation, ISAP 2020
25-27 January 2021 Wideband H-Slot Antenna Fed by Substrate Integrated Gap Waveguide for mmWave Arrays
Ryosuke Kon1, Wai Yan Yong2∗, and Andres Alayón Glazunov2,3
1 School of Engineering, Tohoku University, Japan
2 Department of Electrical Engineering, University of Twente, 7522NB, Enschede, The Netherlands
3 Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden
International Symposium on Antennas and Propagation, ISAP 2020
28 October 2020 On the Performance of Indoor Multi-storey Small-cell Networks
Chen Chen, Graduate Student Member, IEEE, Yixin Zhang, Graduate Student Member, IEEE, Jiliang Zhang, Senior Member, IEEE, Xiaoli Chu, Senior Member, IEEE, Jie Zhang, Senior Member, IEEE
IEEE Transactions on Wireless Communications, doi: 10.1109/TWC.2020.3032740.
9 September 2020 A Bandwidth-Enhanced Cavity-Backed Slot Array Antenna for mmWave Fixed-Beam Applications
Wai Yan Yong, Student Member, IEEE; Abolfazl Haddadi, Thomas Emanuelsson and Andrés Alayón Glazunov, Senior Member, IEEE
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS (Volume: 19, Issue: 11, Nov. 2020). DOI: 10.1109/LAWP.2020.3022988
29 June 2020 How Friendly Are Building Materials as Reflectors to Indoor LOS MIMO Communications?
Y. Zhang, Student Member, IEEE, C. Chen,Student Member, IEEE, S. Yang, Student Member, IEEE, J. Zhang, Student Member, IEEE, X. Chu, Student Member, IEEE and J. Zhang, Student Member, IEEE
IEEE Internet of Things Journal, vol. 7, no. 9, pp. 9116-9127, Sept. 2020, doi: 10.1109/JIOT.2020.3004008
9 September 2020 Effects of Wall Reflection on the Per-Antenna Power Distribution of ZF-Precoded ULA for Indoor mmWave MU-MIMO Transmissions
Y. Zhang, Graduate Student Member, IEEE, J. Zhang, Senior Member, IEEE, X. Chu, Senior Member, IEEE, and J. Zhang, Senior Member, IEEE
IEEE Communications Letters, doi: 10.1109/LCOMM.2020.3022914
29 August – 5 September 2020 Simulation-based Investigation on Spatial Channel Hardening of Massive MIMO in Different Indoor Scenarios and with Different Array Topologies
C. Qin(1,2), Y. Miao(1), Y. Gao(2), J. Chen(2), J. Zhang(2,3) and A.A. Glazunov(1,4)
(1) University of Twente, Enschede, the Netherlands
(2) Ranplan Wireless Inc., Cambridge, U.K.
(3) University of Sheffield, Sheffield, U.K.
(4) Chalmers University of Technology, Gothenburg, Sweden
URSI GASS 2020, SAPIENZA UNIVERSITY CAMPUS, ROME, ITALY
29 Aug. – 5 Sept. 2020 Long Term Rain Attenuation Measurements at Millimeter Wave Bands for Direct and Side Short-Range Fixed Links
Zahid, Othman; Huang, Jie; Salous, Sana
Durham University, United Kingdom
URSI GASS 2020, SAPIENZA UNIVERSITY CAMPUS, ROME, ITALY
29 Aug. – 5 Sept. 2020 Characterization of Indoor Environment in the 60 GHz band
Al-Jzari, Amar; Towers, Jack; Salous, Sana
Durham University, United Kingdom
URSI GASS 2020, SAPIENZA UNIVERSITY CAMPUS, ROME, ITALY
29 Aug. – 5 Sept. 2020 Clutter Loss Measurements and Modeling at 26 GHz Band
J. Huang, O. Zahid, and S. Salous
Durham University, United Kingdom
URSI GASS 2020, SAPIENZA UNIVERSITY CAMPUS, ROME, ITALY
25-28/05/2020 Parameter Optimization for Energy Efficient Indoor Massive MIMO Small Cell Networks
Chen Chen, Yan Jiang, Jiliang Zhang, Xiaoli Chu, Jie Zhang
Department of Electronic and Electrical Engineering, The University of Sheffield, Sheffield, S1 4ET United Kingdom
2020 IEEE 91st Vehicular Technology Conference: VTC2020-Spring
15-20/03/2020 Chamber Array Antenna Layout for Compact OTA Measurements.
M. Poordaraee and A. A. Glazunov
University of Twente, Department of Electrical Engineering, Enschede, Netherlands
2020 14th European Conference on Antennas and Propagation (EuCAP)
15-20/03/2020 Channel Modelling based on Game Engines Light Physics for mmW in Indoor Scenarios
Saul Inca, Danaisy Prado, David Martín-Sacristan, Jose F. Monserrat
iTEAM Research Institute, Universitat Politècnica de València, Valencia, Spain
2020 14th European Conference on Antennas and Propagation (EuCAP)
15-20/03/2020 Irregular MultiFocal Reflector for Efficient mmWave Propagation in Indoor Enviroments
J. Samuel Romero-Peña, Narcis Cardona
iTEAM Research Institute, Universitat Politècnica de València, Valencia, Spain
2020 14th European Conference on Antennas and Propagation (EuCAP)
15-20/03/2020 5G Wideband Magneto-Electric Dipole Antenna Fed by a Single-Layer Corporate-Feed Network based on Ridge Gap Waveguide
Wai Yan Yong∗, Thomas Emanuelsson†‡, Andres Alayón Glazunov∗‡
∗University of Twente, Department of Electrical Engineering, Enschede, Netherlands
†GAPWAVES AB, Gothenburg, Sweden
‡Chalmers University of Technology, Department of Electrical Engineering, Gothenburg, Sweden
2020 14th European Conference on Antennas and Propagation (EuCAP)
15-20/03/2020 Microstrip to Ridge Gap Waveguide Transition for 28 GHz Steerable Slot Array Antennas
Alireza Bagheri∗†, Hanna Karlsson∗, Carlo Bencivenni∗, Abolfazl Haddadi∗,Thomas Emanuelsson∗‡, Andres Alayón Glazunov†‡
∗Gapwaves AB, Gothenburg, Sweden
†University of Twente, Enschede, Netherlands
‡Chalmers University of Technology, Gothenburg, Sweden
2020 14th European Conference on Antennas and Propagation (EuCAP)
1 January 2020 Tractable performance analysis of small‐cell networks with a novel bounded path loss model
Chen Chen, Songjiang Yang, Jiliang Zhang, Xiaoli Chu, Jie Zhang
The University of Sheffield
Electronics Letters, Publisher: Institution of Engineering and Technology DOI: 10.1049/el.2019.3299
16/12/2019 Long Term Rain Attenuation Measurements for Millimeter Wave Short-range Fixed Links for 5G applications
Othman Zahid, Jie Huang, and Sana Salous
Department of Engineering, Durham University, Durham, DH1 3LE U.K.
UK Union Radio Scientifique Internationale-URSI Symposium 2019
16/12/2019 Characterisation of conference room environment in the 60 GHz band
Amar Al-jzari, S. Salous
Department of Engineering, Durham University, Durham, DH1 3LE UK
UK URSI Symposium 2019
29/10/2019 A ±45º Dual-Polarized Antenna for 5G mmWave Applications Based on Gap Waveguide Technology
Alireza Bagheri∗†, Julius Petersson, Abolfazl Haddadi, and Andres Alayón Glazunov†‡
Gapwaves AB, Gothenburg, Sweden
University of Twente, Enschede, Netherlands
Chalmers University of Technology, Gothenburg, Sweden
2019 International Symposium on Antennas and Propagation (ISAP)
29/10/2019 Wideband Cavity-Backed Slot Subarray Fed by Gap Ridge Waveguide for 5G mmWave Base Station
Wai Yan Yong1, Abolfazl Haddadi2, Alireza Bagheri1,2, Thomas Emanuelsson2, Andres Alayón Glazunov1,3
1University of Twente, Department of Electrical Engineering, Enschede, Netherlands
2GAPWAVES AB, Gothenburg, Sweden
3Chalmers University of Technology, Department of Electrical Engineering, Gothenburg, Sweden
2019 International Symposium on Antennas and Propagation (ISAP)
10/09/2019 mmWave Array Antenna based on Gap Waveguide Technology for 5G Applications
Alireza Bagheri, Carlo Bencivenni, Gapwaves AB,
Andres Alayón Glazunov. University of Twente, Chalmers University of Technology
2019 International Conference on Electromagnetics in Advanced Applications (ICEAA)
21/06/2019 Comparison of Optimization Methods for Aerial Base Station Placement with Users Mobility
Danaisy Prado, Saul Inca, David Martín-Sacristan and Jose F. Monserrat
iTEAM Research Institute, Universitat Politècnica de València
2019 European Conference on Networks and Communications (EuCNC)
31/03/2019 High Gain, Wideband Grid Array Antenna for 28 GHz 5G Base Station
Wai Yan Yong and Andrés Alayón Glazunov
Dept. of Electrical Engineering, University of Twente
2019 13th European Conference on Antennas and Propagation (EuCAP)
31/03/2019 Plane Wave Synthesis with Irregular Chamber Planar Antenna Arrays for Compact OTA Measurements
Mohammad Poordaraee, and A. Alayón Glazunov
Dept. of Electrical Engineering, University of Twente
2019 13th European Conference on Antennas and Propagation (EuCAP)
31/03/2019 Applicability Limits of Simplified Human Blockage Models at 5G mm-Wave Frequencies
J. Samuel Romero-Peña, Narcís Cardona
iTEAM Research Institute, Universitat Politècnica de València
2019 13th European Conference on Antennas and Propagation (EuCAP)
11/12/2018 Multi-power-level Beam Sensing-Throughput Tradeoff in Millimeter Wave Multi-user Scenario
Yixin Zhang, Sai Huang, Zhengyu Zhu*, Di Zhang*, Yue Gao§, Zhiyong Feng
BUPT, Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing, 100876, P.R.China

*Zhengzhou University, School of Information Engineering, Henan Province, 450001, PRChina
§Queen Mary University of London, School of Electrical Engineering and Computer Science, London, E1 4NS, UK
GLOBECOM 2018 – 2018 IEEE Global Communications Conference

Patents (IPR)

Date Title and authors
March 31st, 2021 “PROCEDIMIENTO DE ANÁLISIS DE LA COBERTURA EN ESPACIOS INTERIORES PARA REDES INALÁMBRICAS” (COVERAGE ANALYSIS PROCEDURE IN INTERIOR ENVIRONMENTS FOR WIRELESS NETWORKS)
Samuel Romero (ESR6) and Narcís Cardona from iTEAM (UPV).
Patent request P202130290
January 27th, 2021 “REFLECTOR PARA ONDAS MILIMÉTRICAS” (“millimeter wave reflector”)
Samuel Romero (ESR6) and Narcís Cardona from iTEAM (UPV).
Patent request (P202130068)

Inputs to the Radiocommunication Study Groups (ITU)

Date Title and authors File
2021-06-14 Contribution to Recommendation ITU-R P.1238 – Multi-band measurements in various indoor environments
Amar Al-Jzari and Sana Salous
ITU-R WP3K Contribution 170
United Kingdom of Great Britain and Northern Ireland
2021-06-09 Fixed link long term measurements
Othman Zahid and Sana Salous
ITU-R WP3M Contribution 218
United Kingdom of Great Britain and Northern Ireland
2021-06-09 Submission of rain statistics for DBSG-3
Othman Zahid y Sana Salous
ITU-R WP3M Contribution 224
United Kingdom of Great Britain and Northern Ireland
2020-08-01 Contribution document – Clutter loss measurements at 26 GHz
Othman Zahid y Sana Salous
ITU-R WP3M Contribution 55
United Kingdom of Great Britain and Northern Ireland
2020-07-31 Contribution to Recommendation ITU-R P.1238 – Multi-band measurements in various indoor environment
Amar Al-Jzari and Sana Salous
ITU-R WP3K Contribution 46 
United Kingdom of Great Britain and Northern Ireland
2021-07-29 Report ITU-R P.2406-2 which includes the inputs to the ITU (open access)

Deliverables

WP  Title Dissemination
WP 1 D1.1. Report on massive MIMO antenna numerical models Public
WP1 D1.2 Report on Guidelines for OTA characterization of massive MIMO antennas (to be submitted to CTIA and 3GPP Public
WP1 D1.3 Report on massive MIMO antenna prototype and characterization Public
WP1 D1.4 Report on Network performance impact of massive MIMO antenna Public
WP2 D2.1 Report on scattering model of mmW Public
WP2 D2.2 Report on estimated channel parameters in the built environment Public
WP2 D2.3 Report on precipitation effects and potential interference between mmW radio links Public
Wp2 D2.4 Technical documents to be submitted to the ITU to be incorporated in ITU-R 1411 & 1238 Public
WP3 D3.1 Report on the fundamental performance limits of dense 3D mmW SC deployment Public
WP3 D3.2 Recommendation on optimal MIMO configurations for mmW SCs in 3D BEs Public
WP3 D3.3 Recommendation (to 3GPP, NGMN, Small Cell Forum, etc.) on optimal mmW SC deployment in typical BEs Public
WP4 D4.1 Dissemination and outreach plan Confidential
WP4 D4.2 Result exploitation plan Confidential
WP4 D4.3 WAVECOMBE training school Public
WP4 D4.4 Year 1 evaluation of dissemination and outreach Confidential
WP4 D4.5 Year 2 evaluation of dissemination and outreach Confidential
WP4 D4.6 Year 3 evaluation of dissemination and outreach Confidential
WP4 D4.7 Year 4 evaluation of dissemination and outreach Confidential
WP4 D4.8 Year 1 project workshop Public
WP4 D4.9 Year 2 project workshop Public
WP4 D4.10 Year 3 project workshop Public
WP4 D4.11 Year 4 project workshop Public
WP5 D5.1 Consortium agreement Confidential
WP5 D5.2 Project management plan Confidential
WP5 D5.3 Supervisory Board of the network Confidential
WP5 D5.4 Year 1 project progress and evaluation report Confidential
WP5 D5.6 Year 2 project progress and evaluation report Confidential
WP5 D5.7 Year 3 project progress and evaluation report Confidential
WP5 D5.8 Year 4 project progress and evaluation report Confidential
WP6 NEC – Requirement No. 1 Confidential