Communications: directive radio wave systems and devices (e.g. – Directive – Including a steerable array
Patent
1995-05-16
1996-11-19
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a steerable array
342372, 342374, 455 541, H01Q 322
Patent
active
055767176
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 (54; FIG. 6a) are provided for independent adjustment of receiver gain and/or transmitter radiated power level of individual beams.
REFERENCES:
patent: 3737899 (1973-06-01), Georgopoulos
patent: 3964065 (1976-06-01), Roberts et al.
patent: 3979754 (1976-09-01), Archer
patent: 3993999 (1976-11-01), Hemmi et al.
patent: 4845507 (1989-07-01), Archer et al.
patent: 5166690 (1992-11-01), Courlson et al.
patent: 5434575 (1995-07-01), Jelinek et al.
Brodsky, "Motorola and NCR Boost Prospects For Wireless LANS, Business Communications Review", vol. 21, M1, p. 74, 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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