Simultaneous radiation of narrow and wide beams exploiting two concentric isophoric sparse arrays

In this contribution we investigate the possibility to synthesize two concentric circular sparse array layouts, capable of radiating two different patterns characterized by different beamwidths.

[1]  Stefano Perna,et al.  Synthesis of Isophoric Sparse Arrays Allowing Zoomable Beams and Arbitrary Coverage in Satellite Communications , 2015, IEEE Transactions on Antennas and Propagation.

[2]  Giovanni Toso,et al.  Sparse and thinned arrays for multiple beam satellite applications , 2007 .

[3]  Tommaso Isernia,et al.  Isophoric Sparse Arrays Ensuring Global Coverage in Satellite Communications , 2014, IEEE Transactions on Antennas and Propagation.

[4]  D. Caratelli,et al.  Sparse antenna array for Earth-coverage satellite applications , 2010, Proceedings of the Fourth European Conference on Antennas and Propagation.

[5]  T. Isernia,et al.  Optimal Synthesis of Directivity Constrained Pencil Beams by Means of Circularly Symmetric Aperture Fields , 2009, IEEE Antennas and Wireless Propagation Letters.

[6]  C. Mangenot,et al.  Projection based methodology for designing non-periodic, planar arrays , 2008, 2008 38th European Microwave Conference.

[7]  D. Pinchera,et al.  Advances in the Deterministic Synthesis of Uniform Amplitude Pencil Beam Concentric Ring Arrays , 2012, IEEE Transactions on Antennas and Propagation.

[8]  D. Pinchera,et al.  A Generalized Hybrid Approach for the Synthesis of Uniform Amplitude Pencil Beam Ring-Arrays , 2012, IEEE Transactions on Antennas and Propagation.

[9]  O. Bucci,et al.  A Deterministic Two Dimensional Density Taper Approach for Fast Design of Uniform Amplitude Pencil Beams Arrays , 2011, IEEE Transactions on Antennas and Propagation.

[10]  Stefano Perna,et al.  A hybrid approach to the synthesis of reconfigurable sparse circular arrays , 2014, The 8th European Conference on Antennas and Propagation (EuCAP 2014).

[11]  T. Isernia,et al.  Aperiodic arrays for space applications: An effective strategy for the overall design , 2009, 2009 3rd European Conference on Antennas and Propagation.

[12]  O M Bucci,et al.  Density and element-size tapering for the design of arrays with a reduced number of control points and high efficiency , 2010, Proceedings of the Fourth European Conference on Antennas and Propagation.

[13]  Piero Angeletti,et al.  Aperiodic arrays for space applications: A combined amplitude/density synthesis approach , 2009, European Conference on Antennas and Propagation.

[14]  T. Milligan,et al.  Space-tapered circular (ring) array , 2004, IEEE Antennas and Propagation Magazine.

[15]  G. Caille,et al.  A Ka-band direct radiating array providing multiple beams for a satellite multimedia mission , 2000, Proceedings 2000 IEEE International Conference on Phased Array Systems and Technology (Cat. No.00TH8510).