Now showing items 1-12 of 12

    • A Compact Dual-Polarized Filtering Antenna with Steep Cut-Off for Base-Station Applications 

      Liu, Xuekang; Gao, Steven; Hu, Wei; Wen, Lehu; Luo, Qi; Sanz-Izquierdo, Benito; Chen, Xiaodong; Qian, Long; Sumantyo, Josaphat Tetuko Sri; Yang, Xue-Xia (2022-03-28)
      A dual-polarized filtering antenna with steep cut-off and compact size is developed for base station applications. In this design, four controllable radiation nulls are obtained by utilizing split rings, slotted T-shaped ...
    • Low-Cost Wide-Angle Beam-Scanning Transmitarray Antennas Using Lens-Loaded Patch Elements: A Proof-of-Concept Study 

      Hu, Wei; Dong, Mingyang; Luo, Qi; Cai, Yuanming; Wen, Lehu; Feng, Tian-Xi; Jiang, Wen; Gao, Steven (2023-08-23)
      In this letter, a novel design concept to achieve a low-cost wide-angle beam-scanning transmitarray (TA) using lens-loaded patch (LLP) elements is presented. In this design, each TA element consists of a beam switchable ...
    • Low-Profile Wideband Circularly Polarized Array Antennas Using Integrated Half-Power Quadrature Power Divider 

      Wen, Lehu; Gao, Steven; Luo, Qi; Hu, Wei; Sanz-Izquierdo, Benito; Yang, Xue-Xia (2022-04-11)
      Low-profile wideband circularly polarized (CP) array antennas using integrated half-power quadrature power divider (HP-QPD) are presented. A novel HP-QPD is first proposed as an important design concept for CP radiation. ...
    • A Mutual-Coupling-Suppressed Dual-Band Dual-Polarized Base Station Antenna Using Multiple Folded-Dipole Antenna 

      Liu, Xuekang; Gao, Steven; Sanz-Izquierdo, Benito; Zhang, Haiwei; Wen, Lehu; Hu, Wei; Luo, Qi; Sumantyo, Josaphat Tetuko Sri; Yang, Xue-Xia (2022-12-01)
      An interleaved shared-aperture dual-band dual-polarized base station array antenna is proposed in this article. The lower-band (LB) element is realized by using a multiple folded-dipole antenna (MFDA) and four parasitic ...
    • Proceedings of Abstracts, School of Physics, Engineering and Computer Science Research Conference 2022 

      Amafabia, Daerefa-a; Asimea, Laurel; Bally, John; Baran, Anthony; Boies, Adam; Borjali, Amirhossein; Bosomworth, Chloe; Burningham, Ben; Chaliasou, Napoleana-Anna; CHEN, Yong Kang; Cheong, Yuen Ki; Chizari, Mahmoud; Chung, Etelka; Coppin, Kristen; David-West, Opukuro; Dennler, Nik; Dhakal, Hom; Dimov, Nikolay; Dmitruk, Emil; Donald, Allen; Drix, Damien; Dzib, Sergio A.; Eltaweel, Mahmoud; Fadlelseed, Sajid; Farahani, Atena; Felix, Adrian; Foat, Tim; Forbrich, Jan; Franco, Maximilien; Gaarn, Joesphine; Garratt, Tracy; Geach, Jim; Ghias, Narges; Ghita, Adrian; Giannetti, Niccolo; Vargas-Gonzalez, Jaime; Greenaway, Richard; Haritos, George; Hatami, Sara; Haydock, David; Helian, Na; Herfatmanesh, Mohammad Reza; Herve, Jean-Baptiste; Hesse, Evelyn; Korani, Hossein; Hosseini, Vahid; Hu, Wei; Hubbard, Thomas; Inal, Jameel; Irigo, Patrick; Ismail, Sikiru O.; Jepleting, Fiona; Ji, Wei; Johnston, Ian; Jombo, Gbanaibolou; Kadir, Shabnam; Kalyvas, Christos; Kamran, Syed Muhammad; Kanellopoulos, Antonios; Kiflay, Aklil Zenebe; Kirner, Raimund; Knox, Kerry; Kobayashi, Chiaki; Kumar, Dhirendra; Kumar, Ritesh; Lane, Peter; Lekkala, Himayasri; Lewis, Andrew; Li, Liang; Luo, Qi; Madani, Hossein; Mallet, Colin; Maruthupandian, Surya; Mathen, Elizabeth Reeja; Matousek, Pavel; McCool, Simon; McGarry, James C.; Menon, Catherine; Metzner, Christoph; Miles, Rachael E. H.; Moeinnia, Hadi; Moggridge, Paul; Mohseni, Mahdi; Montalvão, Diogo; Moraby, Mohammad Najeeb; Murnane, Darragh; Norgate, Marc; Nourani, Amir; Prasad, Kumar Shantanu; Ramalingam, Soodamani; Rastogi, Shavika; Reid, Jonathan P.; Ren, Guogang; Rivilla, Victor M.; Saidpour, Hossein; Saito, Kiyoshi; Sajedi, Seyed Amir Hossein; Salge, Christoph; Samararatne, Samadhi; Schmuker, Michael; Sensoy, Elif; Shriram, Ajay; Singh, Harpreet; Sorouraddin, Yasser; Steuber, Volker; Stone, Nicholas; Sun, Yi; Sureddi, Roopesh; Sutton, Samuel; Thomas, Peter; Timms, Andrew R; Tiwari, P. R.; Tsokanos, Athanasios; Vadalia, Mansukhlal; Yaqoob, Muhammad; Yulianto, Muhamad; Zheng, Minghua (University of Hertfordshire, 2022-11-04)
      The present proceedings record the abstracts submitted and accepted for presentation at SPECS 2022, the second edition of the School of Physics, Engineering and Computer Science Research Conference that took place online, ...
    • Proof of Concept of a Low-Cost Beam-Steering Hybrid Reflectarray that Mixes Microstrip and Lens Elements Using Passive Demonstrators 

      Luo, Qi; Gao, Steven; Hu, Wei; Liu, Wei; Pessoa, Luis M.; Sobhy, Mohammed; Sun, Yichuang (2022-02-11)
      In this article, a proof-of-concept study on the use of a hybrid design technique to reduce the number of phase shifters of a beam-scanning reflectarray (RA) is presented. An extended hemispherical lens antenna with feeds ...
    • Spoof Surface Plasmon Polaritons Based Antenna and Array by Exciting both Even and Odd Mode Resonances 

      Wen, Lehu; Hu, Wei; Pang, Bo; Luo, Qi; Gao, Steven (2023-11-30)
      Spoof surface plasmon polaritons (SSPPs) based antenna and array by exciting both even and odd mode resonances are developed and investigated in this paper. Different from others’ work and for the first time, we use the ...
    • Wideband Back-Cover Antenna Design Using Dual Characteristic Modes With High Isolation for 5G MIMO Smartphone 

      Hu, Wei; Chen, Zhan; Qian, Long; Wen, Lehu; Luo, Qi; Xu, Rui; Jiang, Wen; Gao, Steven (2022-01-28)
      A novel method of designing a wideband high isolated dual-antenna pair using dual characteristic modes (CMs)is presented for fifth-generation (5G) multiple-input multiple output (MIMO) smartphone applications. A set of ...
    • Wideband Circularly Polarized Reflectarray Antenna Using Rotational Symmetrical Crossed Dipoles 

      Wen, Lehu; Gao, Steven; Luo, Qi; Hu, Wei; Sanz-Izquierdo, Benito; Yang, Xue-xia (2023-05-30)
      A wideband circularly polarized (CP) reflectarray (RA) antenna using rotational symmetrical crossed dipoles is presented. This is the first time investigating coupled crossed dipoles as the unit cell for wideband reflection ...
    • Wideband Differentially-Fed Slot Antenna and Array With Circularly Polarized Radiation for Millimeter-Wave Applications 

      Wen, Lehu; Gao, Steven; Hu, Wei; Luo, Qi; Yang, Xue-Xia; Sanz-Izquierdo, Benito (2022-01-28)
      A wideband differentially-fed slot antenna is presented for millimeter-wave (mmWave) applications. A novel method of using stepped corner-shaped slot is first utilized to establish the wideband circularly polarized (CP) ...
    • A Wideband Metal-Only Transmitarray With Two-layer Configuration 

      Hu, Wei; Dong, Jianshen; Luo, Qi; Cai, Yuan-Ming; Liu, Xuekang; Wen, Lehu; Jiang, Wen; Gao, Steven S.C. (2021-05-18)
      This letter presents a novel wideband metal-only transmitarray (TA) design. Up to date, existing works on metal-only TAs use at least three layers spaced by air gaps. Compared to these designs, the presented TA only has ...
    • A Wideband Triple-Mode Differentially-Fed Microstrip Patch Antenna 

      Liu, Xuekang; Hu, Wei; Gao, Steven S.C.; Wen, Lehu; Luo, Qi; Xu, Rui; Liu, Ying (2021-04-21)
      A wideband differentially-fed microstrip patch antenna (MPA) with tripe-resonant modes is presented in this letter. The proposed triple-mode MPA is realized by combining two dual-mode MPAs (MPA-I and MPA-II) with different ...