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- Title
Metamaterial inspired CPW‐fed compact antenna for ultrawide band applications.
- Authors
Singh, Hari Shankar; Kalraiya, Sachin; Meshram, Manoj Kumar; Shubair, Raed M.
- Abstract
A small size, planar and co‐planar waveguide fed metamaterial inspired antenna is proposed for ultra‐wideband (UWB) application. The main radiating element consists of three split‐ring resonators (SRR) and placed along one axis. Moreover, coplanar waveguide (CPW)‐fed line along with modified ground plane is used to improve the impedance matching. The physical size of proposed antenna is 25(W) × 22 (L) × 1.6 (H) mm3. The CPW‐fed metamaterial inspired antenna provides bandwidth of 10.4 GHz from 3.1 to 13.5 GHz based on the 3:1 (voltage standing wave ratio [VSWR] <2). Over the range of UWB frequency, peak realized gain varies from 2.5 to 4 dBi. The proposed antenna provides omnidrectional radiation patterns. Further, fidelity factor of the proposed antenna is also calculated and measured. The calculated fidelity factor is suitable for UWB applications. Finally, prototype of the antenna is developed and tested using network analyzer. The simulated and measured results are in good agreement.
- Subjects
COPLANAR waveguides; METAMATERIAL antennas; ANTENNAS (Electronics); IMPEDANCE matching; STANDING waves; RESONATORS
- Publication
International Journal of RF & Microwave Computer-Aided Engineering, 2019, Vol 29, Issue 8, pN.PAG
- ISSN
1096-4290
- Publication type
Article
- DOI
10.1002/mmce.21768