Method and system for repeating pages

Details Method and system for repeating pages Method and system for repeating pages

1997-03-31

1999-10-05

Eisenzopf, Reinhard J.

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

455 131, 455 20, 455458, H04B 714

Patent

active

059638460

ABSTRACT:
A paging repeater (22) receives (152) a paging signal (30) transmitted (138) by a low-earth orbit satellite (24) while compensating (150) for Doppler effects, modifying (156) the paging signal (30) to produce a repeat signal (40), and transmitting (166) the repeat signal shifted in both the time and frequency domains so as to preclude the generation of interference. A pager (28) receives a paging signal (30) directly from the satellite (24) while compensating (108) for Doppler effects whenever the pager (28) is unshadowed with regard to the satellite (24), or receiving a repeat signal (40) from a paging repeater (22) whenever the pager (28) is shadowed with regard to the satellite (24).

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