Title :
Patch antenna bandwidth increase by means of a director
Author :
Dubost, G. ; Beauquet, G. ; Rocquencourt, J. ; Bonnet, G.
Author_Institution :
Université de Rennes I, Départment `Antennes¿, Rennes, France
Abstract :
The bandwidth of a microstrip antenna can be increased by overlaying a parasitic element. A radioelectric model is presented to explain this property. A quadratic patch fed by a microstrip line is coupled with a square director. Theory shows that the whole antenna bandwidth is increased and the radiation resistance is decreased. Theoretical and experimental results are in good agreement.
Keywords :
antenna theory; microstrip antennas; bandwidth increase; director; microstrip antenna; parasitic element; path antenna; quadratic patch; radiation resistance; radioelectric model;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860925
