Dual polarised multibeam antenna

• A dual polarised four-beam antenna array for the 1850-1990 MHz frequency band is presented. The polarisations are ±45° to vertical. The antenna has eight inputs corresponding to two orthogonal polarisations and four beams. The return loss and cross-polar isolation for a single Butler beam exceeds 15 and 22 dB, respectively. The radiation pattern is similar to an ideal Butler pattern and the cross-polarisation level is <-21 dB in the beams

Nyckelord

UHF antennas

antenna radiation patterns

electromagnetic wave polarisation

microstrip antenna arrays

multibeam antennas

1850 to 1990 MHz

cross-polar isolation

cross-polarisation level

dual polarised multibeam antenna

four-beam antenna array

orthogonal polarisations

radiation pattern

return loss

single Butler beam

Publikations- och innehållstyp

ref (ämneskategori)

art (ämneskategori)