A Novel Frequency Selective Antenna for mm-Wave Phased Arrays

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Abstract

In this paper, we present a novel frequency selective antenna based on the distributed coupled-resonator (DCR) feeding network. The main idea is to design a high performance, compact and cost-effective antenna module with filtering functionality for mm-Wave phased arrays. The DCR structure with a simple and low-profile stack-up fabrication is effectively adopted to achieve a compact modular fourth-degree filtering antenna (Filtenna) with a steep roll-off rejection and directive radiation pattern. For demonstration, a 2×2 array of the Filtenna is separately designed and fabricated with the aim of phased array antenna fed by a Quad-channel beamformer. The experimental results of the Filtenna are well-agreed with the simulations demonstrating return-loss and realized-gain of 15 dB and 8 dBi, respectively. The proposed Filtenna array is operating at 31 GHz with bandwidth of 2 GHz (15 dB return loss) and in-phase directivity of 15.6 dBi. The proposed antenna is scalable to large arrays suitable for high gain applications like automotive radar, SATCOM and 5G
Original languageEnglish
Title of host publication2022 International Workshop on Antenna Technology (iWAT)
Pages45-48
Number of pages4
DOIs
Publication statusPublished - 4 Jul 2022
Event2022 International Workshop on Antenna Technology: iWAT 2022 - Dublin, Ireland
Duration: 16 May 202218 May 2022

Conference

Conference2022 International Workshop on Antenna Technology
Abbreviated titleiWAT 2022
Country/TerritoryIreland
CityDublin
Period16/05/2218/05/22

Keywords

  • Antenna array
  • beamformer chip
  • Coupledresonator
  • distributed
  • filtering antenna
  • phased-array

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