Enhanced switched-beam antenna arrangement

Details Enhanced switched-beam antenna arrangement Enhanced switched-beam antenna arrangement

2007-10-16

2007-10-16

Phan, Dao L. (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a steerable array

C342S372000, C455S277100

Reexamination Certificate

active

11133277

ABSTRACT:
Switched-beam antenna arrangement means use a method of controlling an antenna pattern of such antenna arrangement means. Each antenna pattern of a predetermined number of fixed antenna patterns is allocated to a predetermined time slot of a time multiplexed signal. The switched-beam antenna arrangement means is switched to generate the fixed antenna patterns during their allocated time slots. Thereby, any user can choose between distinct beam patterns by selecting an appropriate time slot, so that the risk that the user is located at the intersection area of two beams is greatly reduced.

REFERENCES:
patent: 5194873 (1993-03-01), Sickles, II
patent: 5714957 (1998-02-01), Searle et al.
patent: 6236866 (2001-05-01), Meyer et al.
patent: 6393303 (2002-05-01), Katz
patent: 6496142 (2002-12-01), Iinuma
patent: 6600456 (2003-07-01), Gothard et al.
patent: 6968022 (2005-11-01), Poor et al.
patent: 2002/0068590 (2002-06-01), Suzuki et al.

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