Non-terrestrial cellular mobile telecommunication station

Details Non-terrestrial cellular mobile telecommunication station Non-terrestrial cellular mobile telecommunication station

1997-10-29

2000-08-22

Hunter, Daniel S.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455427, 455431, H04Q 722

Patent

active

061085391

ABSTRACT:
The non-terrestrial cellular mobile telecommunication station uses a number of non-interference techniques to extend the usage of existing cellular mobile telecommunication radio frequencies allocated for ground-based communications to the non-terrestrial realm. For example, the polarization of the signals produced by the antenna elements of the non-terrestrial cellular mobile telecommunication station is different than and preferably substantially orthogonal to the polarization of the cellular radio signals produced by the ground-based antennas to thereby minimize the possibility of interference with the ground-based radio signals. Furthermore, the control signals exchanged between the non-terrestrial mobile subscriber stations and the non-terrestrial cell site controller are architected to avoid the possibility of interference with ground-based cell site transmitter-receiver pairs. The transmit power of the non-terrestrial cellular mobile telecommunication station is also tightly controlled and of a magnitude to be rejected by the ground-based mobile subscriber stations and cell site transmitter-receiver pairs.

REFERENCES:
patent: 5557656 (1996-09-01), Ray et al.
patent: 5559865 (1996-09-01), Gilhousen
patent: 5822680 (1998-10-01), Stuart et al.
patent: 5832380 (1998-11-01), Ray et al.
patent: 5878346 (1999-03-01), Ray et al.
patent: 5920804 (1999-07-01), Armbruster et al.
patent: 5926758 (1999-07-01), Grybos et al.

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