Open AccessLow‐cost multi‐layer antenna sub‐array for 79 GHz short‐range radar applications
Author(s) -
Mosalanejad M.,
Brebels S.,
Soens C.,
Vandenbosch G.A.E.
Publication year - 2018
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
eISSN - 1350-911X
pISSN - 0013-5194
DOI - 10.1049/el.2018.5035
Subject(s) - microstrip antenna , microstrip , bandwidth (computing) , patch antenna , wideband , materials science , electronic engineering , antenna (radio) , optics , engineering , acoustics , optoelectronics , electrical engineering , physics , telecommunications
A new wideband cavity‐backed aperture coupled microstrip antenna is presented for 79 GHz short‐range multi‐input multi‐output radar applications. This design is based on a sub‐array consisting of two single elements, and each element is founded on a cavity backed aperture coupled patch antenna. A microstrip to strip‐line transition and a series feeding topology is used to feed the elements. The antennas are manufactured by using a new high‐resolution multi‐layer PCB technology. This technology is able to deliver high‐resolution stacked micro‐vias on very thin substrates. The performance of the designed antenna has been verified by both simulations and measurements. The bandwidth is 11.2%, and the maximum gain and efficiency are 6.05 dBi and 80% along 77–81 GHz.