06016123 is referenced by 85 patents and cites 12 patents.

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 operpable to form a beam in azimuth. Each sub-army 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.

Title
Base station antenna arrangement
Application Number
385911
Publication Number
6016123
Application Date
June 24, 1997
Publication Date
January 18, 2000
Inventor
Keith Russell Edwards
Paignton
GB
Peter John Chrystie
Brixham
GB
Jeffrey Graham Searle
Nr Brixham
GB
Paul Barton
Torquay
GB
Agent
Lee Mann Smith McWilliams Sweeney & Ohlson
Assignee
Northern Telecom
CA
IPC
H01Q 3/36
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