Communications: directive radio wave systems and devices (e.g. – Directive – Including a steerable array
Reexamination Certificate
2006-09-19
2006-09-19
Issing, Gregory C. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a steerable array
C342S377000, C455S456100
Reexamination Certificate
active
07109919
ABSTRACT:
A phased array antenna system operative to broadcast multiple beams that each include coded data for specific users located within the coverage area of the corresponding beam. An appropriate receiver then receives and decodes a particular beam to extract the specific data for a corresponding user. Multiple users may be assigned to each beam using frequency division or orthogonal code multiplexing, and the user data may be encoded into the beams using frequency shift key or phase shift key encoding. For each coding technique, the encoded antenna control signals are combined into a total gain and total phase shift control signal, which drives a single phase and gain control device for each antenna element. In addition, a single data modulator generates the coding parameters for the entire communication system.
REFERENCES:
patent: 4060806 (1977-11-01), Davies, deceased et al.
patent: 4217587 (1980-08-01), Jacomini
patent: 4277787 (1981-07-01), King
patent: 4720712 (1988-01-01), Brookner et al.
patent: 4901307 (1990-02-01), Gilhousen et al.
patent: 4965602 (1990-10-01), Kahrilas et al.
patent: 5541607 (1996-07-01), Reinhardt
patent: 5821901 (1998-10-01), Zagrodnick et al.
patent: 5825762 (1998-10-01), Kamin et al.
patent: 5864548 (1999-01-01), Liu
patent: 5903549 (1999-05-01), Von Der Embse et al.
patent: 5953325 (1999-09-01), Willars
patent: 5986590 (1999-11-01), Smith et al.
patent: 6064338 (2000-05-01), Kobayakawa et al.
patent: 6122260 (2000-09-01), Liu et al.
patent: 6169513 (2001-01-01), Cohen
patent: 6222498 (2001-04-01), Ishii et al.
patent: 6232921 (2001-05-01), Aiken et al.
patent: 6507315 (2003-01-01), Purdy et al.
patent: 6542485 (2003-04-01), Mujtaba
patent: 6788250 (2004-09-01), Howell
patent: 2001/0034236 (2001-10-01), Tong et al.
patent: 2003/0026348 (2003-02-01), Llang et al.
patent: 0 939 452 (1999-09-01), None
patent: 001115 232 (2001-07-01), None
patent: WO 95/22210 (1995-08-01), None
patent: WO 01/22926 (2001-04-01), None
EMS Technologies Inc.
Issing Gregory C.
LandOfFree
Beamformer for multi-beam broadcast antenna does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Beamformer for multi-beam broadcast antenna, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Beamformer for multi-beam broadcast antenna will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3579909