Communications: radio wave antennas – Antennas – With support for antenna – reflector or director
Reexamination Certificate
2001-06-28
2002-09-24
Wong, Don (Department: 2821)
Communications: radio wave antennas
Antennas
With support for antenna, reflector or director
C343S757000, C343S890000
Reexamination Certificate
active
06456258
ABSTRACT:
BACKGROUND
Point-to-multipoint millimeter wave wireless communication systems are well known and are described, e.g., in the commonly assigned U.S. Pat. No. 6,016,313, entitled “System and Method for Broadband Millimeter Wave Data Communication.” Such systems generally consist of one or more hubs each servicing a plurality of remote nodes. The antennae of such systems are highly directional and it is critical to the successful operation of the communication system that each antennae be correctly aimed in both azimuth and elevation. It is accordingly an object of the present invention to provide a novel antennae mounting system which may be selectively aimed in both azimuth and elevation.
Point-to-multipoint communication systems are generally modular with reconfiguration of the coverage of the antennae required, e.g., as the number of subscribers increases within a sector, as subscribers come on line in sectors previously not serviced, as the communication traffic increases within a sector, etc. It is therefore another object of the present invention to provide a novel antennae mounting system and method in which antennae be easily added or moved to effect reconfiguration of the antennae system to accommodate the dynamic changes in the communication system.
Antennae in such systems are often mounted on preexisting structures and there are often physical limitations placed on the construction of new antenna support structures. It is accordingly a further object of the present invention to provide a novel antennae mounting system and method in which the antennae which may be easily and quickly installed on a variety of support structures.
Further, there are difficulties in the installation and aiming of directional antennae, where space is confined and a single installer may be faced with the simultaneous positioning and installation of an antenna at a significant elevation exposed to adverse wind conditions. It is accordingly yet another object of the present invention to provide a novel antennae mounting system and method in which the antennae may be quickly removed or quickly installed and thereafter selectively secured and aimed.
These and other objects and advantages will be readily apparent from the following detailed description of illustrative embodiments when read in conjunction with the appended drawings.
REFERENCES:
patent: 5963179 (1999-10-01), Chavez
patent: 5969692 (1999-10-01), Ishizuka
patent: 5982340 (1999-11-01), Troche
patent: 6222504 (2001-04-01), Oby
patent: 6264152 (2001-07-01), Bloch et al.
patent: 6342870 (2002-01-01), Mehrkens et al.
Bigelow Wesley A.
Bragg Charles R.
Harris Broadband Wireless Access, Inc.
Morris LLP Duane
Nguyen Hoang
Wong Don
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