H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 21/00 (2006.01) H01Q 1/24 (2006.01) H01Q 3/24 (2006.01) H01Q 3/26 (2006.01) H01Q 25/00 (2006.01) H04B 7/26 (2006.01)
Patent
CA 2142583
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.
Barton Paul
Chrystie Peter John
Edwards Keith Russell
Searle Jeffrey Graham
Barton Paul
Chrystie Peter John
Edwards Keith Russell
Fortin Jean-Pierre
Nortel Networks Limited
LandOfFree
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