An antenna arrangement (10) for a cellular radio base station is provided with a plurality of r.f. transceivers, including one or more antenna arrays (12) each comprising a plurality of sub-arrays (20) each selectively operable to form a beam in azimuth. Each sub-array is provided with elevation beamforming means (24) and individual transmit and receive amplifiers (30,32). Each sub-array beamformer is coupled to at least one r.f. transmitter feed (26)nd each r.f. receiver feed is coupled to at least two sub-array beamformers, the sub-arrays of each antenna array together forming a multiplicity of separate substantially coincident beams in azimuth. A method of operation is also disclosed.
申请公布号
CA2142583(C)
申请公布日期
2005.02.01
申请号
CA19952142583
申请日期
1995.02.15
申请人
BARTON, PAUL;SEARLE, JEFFREY GRAHAM;CHRYSTIE, PETER JOHN;EDWARDS, KEITH RUSSELL
发明人
BARTON, PAUL;SEARLE, JEFFREY GRAHAM;CHRYSTIE, PETER JOHN;EDWARDS, KEITH RUSSELL