Base station antenna arrangement

Communications: directive radio wave systems and devices (e.g. – Directive – Including a steerable array

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342373, 342 81, 342154, 455 531, 455103, H01Q 302

Patent

active

056025556

ABSTRACT:
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 of beams formed by the arrays provide a coverage in azimuth wider than each array. Means are provided for recognizing unique identifier signals (70; FIG. 6b) incorporated in call signals passing through the antenna; and coherent detection means for discriminating between unwanted call signals and wanted call signals using said unique identifier signals.

REFERENCES:
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patent: 5434575 (1995-07-01), Jelinek et al.
patent: 5506888 (1996-04-01), Hayes et al.
Brodsky, I: Motorola and NCR, Boost prospects for LAN, Business Communication Review--vol. 21 No. 1, p. 71, 1991.

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