发明名称 |
Base station antenna arrangement |
摘要 |
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 of forming 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) and 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. <IMAGE> |
申请公布号 |
GB2286749(A) |
申请公布日期 |
1995.08.23 |
申请号 |
GB19950002354 |
申请日期 |
1995.02.07 |
申请人 |
* NORTHERN TELECOM LIMITED |
发明人 |
KEITH RUSSELL * EDWARDS;PAUL * BARTON;JEFFREY GRAHAM * SEARLE;PETER JOHN * CHRYSTIE |
分类号 |
H01Q1/24;H01Q3/24;H01Q3/26;H01Q25/00;H04B7/26 |
主分类号 |
H01Q1/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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