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Dual-polarised dielectric resonator antenna with high isolation and low cross-polarisation

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4 Author(s)
Tang, X.-R. ; Sch. of Commun. & Inf. Eng., Shanghai Univ., Shanghai ; Zhong, S.-S. ; Kuang, L.-B. ; Sun, Z.

A novel, dual-polarised dielectric resonator antenna with high-isolation and low cross-polarisation is presented using a hybrid feeding technique. Port isolation of 35.9 dB and a cross-polarisation level of -34 dB are measured. The impedance bandwidth of return loss less than -10 dB is 440 MHz (7.9%) with a centre frequency of 5.7 GHz. Since its feeding mechanism is symmetric, a symmetric radiation pattern is also achieved. It is suitable for the application of synthesis aperture radar and some wireless systems.

Published in:

Electronics Letters  (Volume:45 ,  Issue: 14 )