Directional antenna control device, beam selecting method...

Details Directional antenna control device, beam selecting method... Directional antenna control device, beam selecting method...

2007-06-19

2007-06-19

Phan, Dao L. (Department: 3662)

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

Directive

Including a steerable array

C342S372000

Reexamination Certificate

active

10759487

ABSTRACT:
A directional antenna control device is provided which is capable of reducing processing amount and time necessary for power detection and selection of multibeam. A beam power detecting part detects power levels of all M beams in unit time period for initial beam switching. A beam output selection combining part selects a beam having the largest power in accordance with the detected power levels, and outputs received data based on the selected beam. A detection beam selecting part notifies the beam power detecting part in unit time period for second beam switching, of beam numbers of the selected beam, m beams adjacent thereto and n beams out of all beams except for the selected beam and m beams. The beam power detecting part detects power levels of only the beams having the notified beam numbers.

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W-CDMA Mobile Communication System; Maruzen Co., LTD.; Jun. 25, 2001 pp. 79-86.
Korean Office Action dated Jan. 17, 2006 (and English translation of same).

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