Multibeam SIW Slotted Waveguide Antenna System Fed by a Compact Dual-Layer Rotman Lens
| Autor: | Laurent Le Coq, Karim Tekkouk, Ronan Sauleau, Mauro Ettorre |
|---|---|
| Přispěvatelé: | Institut d'Électronique et des Technologies du numéRique (IETR), Université de Nantes (UN)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-CentraleSupélec-Centre National de la Recherche Scientifique (CNRS), Agence Nationale de la Recherche [ANR-2010-VERS-001301, ANR-12-EMMA-0041-01, ANR-11-ASTR-017-02], DGCIS (DENOTEIC) [FUI 10], GENCI-IDRIS [2014-050779], ANR-10-VERS-0013,AMORCE,Antenne mobile émission réception compacte pour liaison satellite(2010), ANR-12-EMMA-0041,MM-Scan,Système antennaire ultra-compact multi-faisceau et reconfigurable à large champ de vision pour les futures générations de radars automobiles de sécurité active(2012), ANR-11-ASTR-0017,GRAIK,Grand Reflectarray Imageur en bande Ka(2011), Nantes Université (NU)-Université de Rennes 1 (UR1), Université de Nantes (UN)-Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-CentraleSupélec-Centre National de la Recherche Scientifique (CNRS) |
| Rok vydání: | 2016 |
| Předmět: |
design
array substrate 02 engineering and technology 7. Clean energy law.invention Optics sensor law Broadband 0202 electrical engineering electronic engineering information engineering Standing wave ratio Electrical and Electronic Engineering Reflection coefficient Physics Coupling business.industry feed posts 020208 electrical & electronic engineering Bandwidth (signal processing) 020206 networking & telecommunications [SPI.TRON]Engineering Sciences [physics]/Electronics Lens (optics) ghz business Waveguide radar Slotted waveguide |
| Zdroj: | IEEE Transactions on Antennas and Propagation IEEE Transactions on Antennas and Propagation, Institute of Electrical and Electronics Engineers, 2016, 64 (2), pp.504--514. ⟨10.1109/TAP.2015.2499752⟩ IEEE Transactions on Antennas and Propagation, 2016, 64 (2), pp.504--514. ⟨10.1109/TAP.2015.2499752⟩ |
| ISSN: | 1558-2221 0018-926X |
| DOI: | 10.1109/tap.2015.2499752 |
| Popis: | A multibeam antenna system fed by a compact Rotman lens is presented in multilayer substrate integrated waveguide (SIW) technology. The lens is implemented in two layers using a new transition based on several star-shaped coupling slots and an SIW integrated reflector. Compared to standard rectangular coupling slots, this transition is broadband and maximizes power transfer between the two layers of the lens regardless the position of the beam port along the focal arc of the Rotman lens. The radiating part is an array of 15 slotted waveguides. These waveguides are centrally fed to enhance their bandwidth and reduce the “long line effect.” To validate the proposed concepts, an antenna system has been prototyped at 24.15 GHz. The designed transition leads to a physical size reduction of about 50% for the Rotman lens, and more than 33% for the antenna footprint compared to standard single-layer implementations. The experimental results demonstrate a scanning range of $\pm {33}^\circ $ and a 4% bandwidth for $\text{VSWR} ; the isolation between input ports is better than $- {10}\;\text{dB}$ . |
| Databáze: | OpenAIRE |
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