Communications: directive radio wave systems and devices (e.g. – Directive – Including a steerable array
Patent
1995-05-16
1997-02-11
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a steerable array
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.
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Brodsky, I: Motorola and NCR, Boost prospects for LAN, Business Communication Review--vol. 21 No. 1, p. 71, 1991.
Broome Keith R.
Chrystie Peter J.
Cox Christopher R.
Dean Stuart J.
Searle Jeffrey G.
Northern Telecom Limited
Phan Dao L.
Tarcza Thomas H.
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