Now showing items 1-20 of 35

    • Antenna mutual coupling suppression over wideband using embedded periphery slot for antenna arrays 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Shukla, Panchamkumar; See, Chan H.; Abd-Alhameed, Raed; Khalily, Mohsen; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      This paper presents a new approach to suppress interference between neighbouring radiating elements resulting from surface wave currents. The proposed technique will enable the realization of low-profile implementation of ...
    • Antenna on chip (AoC) design using metasurface and SIW technologies for THz wireless applications 

      Althuwayb, Ayman Abdulhadi; Alibakhshikenari, Mohammad; Virdee, Bal S.; Benetatos, Harry; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      This paper presents the design of a high-performance 0.45-0.50 THz antenna on chip (AoC) for fabrication on a 100-micron GaAs substrate. The antenna is based on metasurface and substrate-integrated waveguide (SIW) technologies. ...
    • Automated reconfigurable antenna impedance for optimum power transfer 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This paper presents an approach to implement an automatically tuning antenna for optimising power transfer suitable for software defined radio (SDR). Automatic tuning is accomplished using a closed loop impedance tuning ...
    • Broadband 3-D shared aperture high isolation nine-element antenna array for on-demand millimeter-wave 5G applications 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Vadalà, Valeria; Dalarsson, Mariana; Cos Gómez, María Elena de; Alharbi, Abdullah G.; Burokur, Shah Nawaz; Aïssa, Sonia; Dayoub, Iyad; Falcone Lanas, Francisco Upna Orcid; Limiti, Ernesto (Elsevier, 2022)   Artículo / Artikulua  OpenAccess
      The paper presents the results of a novel 3-D shared aperture 3 × 3 matrix antenna-array for 26 GHz band 5 G wireless networks. Radiation elements constituting the array are hexagonal-shaped patches that are elevated ...
    • A comprehensive survey of 'metamaterial transmission-line based antennas: design, challenges, and applications' 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Naser Moghadasi, Mohammad; Falcone Lanas, Francisco Javier Upna Orcid (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      In this review paper, a comprehensive study on the concept, theory, and applications of composite right/left-handed transmission lines (CRLH-TLs) by considering their use in antenna system designs have been provided. It ...
    • A comprehensive survey on "Various decoupling mechanisms with focus on metamaterial and metasurface principles applicable to SAR and MIMO antenna systems" 

      Alibakhshikenari, Mohammad; Babaeian, Fatemeh; Virdee, Bal S.; Aïssa, Sonia; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; See, Chan H.; Falcone Lanas, Francisco Javier Upna Orcid; Althuwayb, Ayman Abdulhadi; Huynen, Isabelle; Abd-Alhameed, Raed; Limiti, Ernesto (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      Nowadays synthetic aperture radar (SAR) and multiple-input-multiple-output (MIMO) antenna systems with the capability to radiate waves in more than one pattern and polarization are playing a key role in modern telecommunication ...
    • A comprehensive survey on 'circular polarized antennas' for existing and emerging wireless communication technologies 

      Nadeem, Iram; Alibakhshikenari, Mohammad; Babaeian, Fatemeh; Althuwayb, Ayman Abdulhadi; Virdee, Bal S.; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Khan, Salahuddin; Huynen, Isabelle; Falcone Lanas, Francisco Javier Upna Orcid; Denidni, Tayeb A.; Limiti, Ernesto (IOP Publishing, 2022)   Artículo / Artikulua  OpenAccess
      Circular polarized (CP) antennas are well suited for long-distance transmission attainment. In order to be adaptable for beyond 5G communication, a detailed and systematic investigation of their important conventional ...
    • Double-port slotted-antenna with multiple miniaturized radiators for wideband wireless communication systems and portable devices 

      Alibakhshikenari, Mohammad; Khalily, Mohsen; Virdee, Bal S.; Ali, Abdul; Shukla, Panchamkumar; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (Electromagnetics Academy, 2019)   Artículo / Artikulua  OpenAccess
      Proof-of-concept is presented of a novel slot antenna structure with two excitation ports. Although this antenna provides a wide impedance bandwidth, its peak gain and optimum radiation efficiency are observed at its ...
    • Dual-polarized highly folded bowtie antenna with slotted self-grounded structure for sub-6 GHz 5G applications 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Shukla, Panchamkumar; Mansouri Moghaddam, Sadegh; Zaman, Ashraf Uz; Shafqaat, Samia; Akinsolu, Mobayode O.; Liu, Bo; Yang, Jian; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      In this paper, a novel dual-polarized highly-folded self-grounded Bowtie antenna that is excited through I-shaped slots is proposed for applications in sub-6GHz 5G multiple-input-multiple-output (MIMO) antenna systems. The ...
    • High-gain metasurface in polyimide on-chip antenna based on CRLH-TL for sub-terahertz integrated circuits 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (Nature Research, 2020)   Artículo / Artikulua  OpenAccess
      This paper presents a novel on-chip antenna using standard CMOS-technology based on metasurface implemented on two-layers polyimide substrates with a thickness of 500 μm. The aluminium ground-plane with thickness of 3 μm ...
    • High-gain on-chip antenna design on silicon layer with aperture excitation for terahertz applications 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Khalily, Mohsen; See, Chan H.; Falcone Lanas, Francisco Javier Upna Orcid (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      This letter investigates the feasibility of designing a high gain on-chip antenna on silicon technology for subterahertz applications over a wide-frequency range. High gain is achieved by exciting the antenna using an ...
    • High-isolation antenna array using SIW and realized with a graphene layer for sub-terahertz wireless applications 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Salekzamankhani, Shahram; Aïssa, Sonia; See, Chan H.; Soin, Navneet; Fishlock, Sam J.; Althuwayb, Ayman Abdulhadi; Abd-Alhameed, Raed; Huynen, Isabelle; McLaughlin, James A.; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (Nature Research, 2021)   Artículo / Artikulua  OpenAccess
      This paper presents the results of a study on developing an effective technique to increase the performance characteristics of antenna arrays for sub-THz integrated circuit applications. This is essential to compensate the ...
    • High-isolation leaky-wave array antenna based on CRLH-metamaterial implemented on SIW with ±30° frequency beam-scanning capability at millimetre-waves 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (MDPI, 2019)   Artículo / Artikulua  OpenAccess
      The paper presents a feasibility study on the design of a new metamaterial leaky-wave antenna (MTM-LWA) used in the construction of a 1 × 2 array which is implemented using substrate-integrated waveguide (SIW) technology ...
    • High-performance 50μm silicon-based on-chip antenna with high port-to-port isolation implemented by metamaterial and SIW concepts for THz integrated systems 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A novel 50μm Silicon-based on-chip antenna is presented that combines metamaterial (MTM) and substrate integrated waveguide (SIW) technologies for integration in THz circuits operating from 0.28 to 0.30 THz. The antenna ...
    • Impedance bandwidth improvement of a planar antenna based on metamaterial-inspired T-matching network 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Shukla, Panchamkumar; Wang, Yan; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Naser Moghadasi, Mohammad; See, Chan H.; Elfergani, Issa; Zebiri, Chemseddine; Abd-Alhameed, Raed; Huynen, Isabelle; Rodriguez, Jonathan; Denidni, Tayeb A.; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (Institute of Electrical and Electronics Engineers Inc., 2021)   Artículo / Artikulua  OpenAccess
      In this paper a metamaterial-inspired T-matching network is directly imbedded inside the feedline of a microstrip antenna to realize optimum power transfer between the front-end of an RF Wireless transceiver and the antenna. ...
    • Improved adaptive impedance matching for RF front-end systems of wireless transceivers 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Shukla, Panchamkumar; See, Chan H.; Falcone Lanas, Francisco Javier Upna Orcid (Nature Research, 2020)   Artículo / Artikulua  OpenAccess
      In this paper an automatic adaptive antenna impedance tuning algorithm is presented that is based on quantum inspired genetic optimization technique. The proposed automatic quantum genetic algorithm (AQGA) is used to find ...
    • Interaction between closely packed array antenna elements using meta-surface for applications such as MIMO systems and synthetic aperture radars 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Shukla, Panchamkumar; See, Chan H.; Abd-Alhameed, Raed; Khalily, Mohsen; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (Wiley, 2018)   Artículo / Artikulua  OpenAccess
      The paper presents a technique to enhance the isolation between adjacent radiating elements that is common in densely packed antenna arrays. Such antennas provide frequency beam-scanning capability needed in multiple-input ...
    • Meta-surface wall suppression of mutual coupling between microstrip patch antenna arrays for THz-band applications 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Shukla, Panchamkumar; See, Chan H.; Falcone Lanas, Francisco Javier Upna Orcid (EMW Publishing, 2018)   Artículo / Artikulua  OpenAccess
      This paper presents a novel 2D meta-surface wall to increase the isolation between microstrip patch radiators in an antenna array that is operating in the teraherz (THz) band of 139-141 GHz for applications including ...
    • Metamaterial-inspired antenna array for application in microwave breast imaging systems for tumor detection 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; Shukla, Panchamkumar; Ojaroudi Parchin, Naser; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier Upna Orcid; Huynen, Isabelle; Denidni, Tayeb A.; Limiti, Ernesto (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      This paper presents a study of a planar antenna-array inspired by the metamaterial concept where the resonant elements have sub-wavelength dimensions for application in microwave medical imaging systems for detecting tumors ...
    • Mutual-coupling reduction in metamaterial substrate integrated waveguide slotted antenna arrays using metal fence isolators for SAR and MIMO applications 

      Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier Upna Orcid; Limiti, Ernesto (IEEE, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A new type of mutual coupling reduction technique is applied to metamaterial substrate integrated waveguide (SIW) slotted antenna array. The circular shaped reference SIW antenna array is constructed from Alumina substrate ...