Multi-airplane cellular communications system

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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Details

C455S436000, C455S427000, C455S013100, C342S352000

Reexamination Certificate

active

06968187

ABSTRACT:
A communications link for a cellular communications system (10) includes a first airplane (35) for flying in a first pattern (86) and including a first antenna for transmitting RF beams (92) to form a first footprint (96) on a first target geographic area (98) to provide cellular phone users (18) within the footprint with a first communications link. A second airplane (35′) flies in a second pattern (86) and includes a second antenna for transmitting RF beams (92) to form a second footprint (96) on a second target geographic area (98) to provide cellular phone users (18) within the second footprint with a second communications link. The first and second airplanes each fly at an altitude that is below a high altitude level and that is varied to enable continuous uninterrupted coverage to be provided to a service area below in a weather pattern-independent and geographic feature-independent manner.

REFERENCES:
patent: 6018659 (2000-01-01), Ayyagari et al.
patent: 6044323 (2000-03-01), Yee et al.
patent: 6061562 (2000-05-01), Martin et al.
patent: 6507739 (2003-01-01), Gross et al.
patent: 6571102 (2003-05-01), Hogberg et al.
patent: 6642894 (2003-11-01), Gross et al.
patent: 6662011 (2003-12-01), Sale et al.
patent: 6675013 (2004-01-01), Gross et al.
patent: 6768906 (2004-07-01), Matthews et al.

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