发明名称 |
Base station antenna arrangement |
摘要 |
<p>An antenna for a base station comprising a plurality of antenna arrays (40; Fig. 6a) each capable of forming a multiplicity of separate overlapping narrow beams in azimuth, the arrays being positioned such that the beams formed by the arrays provide a coverage in azimuth wider than each array. Means are provided for splitting (58; Figs. 14b,14c) the transmission output of a given transceiver into two signals prior to transmission power amplification and transmitting said signals in two adjacent narrow overlapping beams. <IMAGE> <IMAGE></p> |
申请公布号 |
EP0647980(B1) |
申请公布日期 |
2002.10.16 |
申请号 |
EP19940120491 |
申请日期 |
1994.07.21 |
申请人 |
NORTEL NETWORKS LIMITED |
发明人 |
DEAN, STUART JAMES;BROOME, KEITH ROY;CHRYSTIE, PETER JOHN |
分类号 |
H01Q3/40;H01Q1/24;H01Q25/00;H01Q25/04;H04B7/04;H04B7/10;H04W16/28;(IPC1-7):H04Q7/36;H04B7/08 |
主分类号 |
H01Q3/40 |
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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