Method and apparatus for providing additional resources in a sat

Details Method and apparatus for providing additional resources in a sat Method and apparatus for providing additional resources in a sat

1997-05-02

1999-11-02

Vo, Nguyen

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

455430, H04B 7185

Patent

active

059786531

ABSTRACT:
Additional resources and services are provided in a satellite communication system (100) through the use of seam satellites (52). One or more seam satellites (52) are coupled to communication satellites (12) in an existing constellation using previously unused crosslinks. The seam satellites (52) are located between orbital planes (31 and 36) in which the communication satellites (12) are moving in opposite directions with respect to each other. Seam satellites (52) can provide new services such as earth sensing and observation. Seam satellites (52) can also provide attachment points for other new space-based users. Some of the communication units (26) can communicate with the seam satellites (52) via communication satellites (12). This allows these communication units (26) to use the new services provided by the seam satellite (52). Seam satellites (52) can be controlled by separate control centers or can be controlled by the control center for the communication satellites (12).

REFERENCES:
patent: 5448621 (1995-09-01), Knudsen
patent: 5490087 (1996-02-01), Redden et al.
patent: 5574969 (1996-11-01), Olds et al.
patent: 5579536 (1996-11-01), Stackman et al.
patent: 5813634 (1998-09-01), Pizzicaroli

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