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Systematic approach to inhomogeneous linear arrays

: Narbudowicz, A.; Heberling, D.; Ammann, M.J.


Institute of Electrical and Electronics Engineers -IEEE-; IEEE Antennas and Propagation Society:
IEEE Antennas and Propagation Society International Symposium, APSURSI 2016. Proceedings : June 26-July 1, 2016, El Conquistador Resort, Fajardo, Puerto Rico
Piscataway, NJ: IEEE, 2016
ISBN: 978-1-5090-2886-3
ISBN: 978-1-5090-2885-6
ISBN: 978-1-5090-2887-0
IEEE Antennas and Propagation Society (International Symposium) <2016, Fajardo/Puerto Rico>
Fraunhofer FHR ()

The paper investigates a new approach to analysis and design of inhomogeneous linear antenna arrays. The approach relies on omnidirectional antennas, which exhibit linear phase variation of the radiation pattern in the far-field. By appropriately combining different phase variations with a spacing between antennas, one can obtain a performance not achievable with standard linear arrays. Most notably, the approach allows to decrease size of the aperture required for a given beamwidth. The radiation pattern can be easily calculated by a simple equation (if coupling is neglected).