Pulse or digital communications – Repeaters – Testing
Patent
1995-02-02
1998-04-07
Bocure, Tesfaldet
Pulse or digital communications
Repeaters
Testing
375203, 370341, H04K 100
Patent
active
057373582
ABSTRACT:
A multiple access communications system reuses a set of either N carrier frequencies or time slots in adjacent communications sites to provide more than N or T minimally cross-correlated frequency or time hopping communications channels respectively. A first set of communications channels is associated with a first of the communications sites. No two of the channels in the first set employ the same frequency or T time slots at the same time. A second set of communications channels is associated with a second of the adjacent communications sites. No two of the channels in the second set of channels employ the same one of the N carrier frequencies or T time slots at the same time. One or more sets of the minimally cross-correlated channels are further defined so that none of the channels in such sets employ the same frequency at the same time as more than a predetermined number of the channels in another of the sets of the minimally cross-correlated frequency-hopping communications channels. This is accomplished by having such other sets be a decimated transformation of the first or second set respectively.
REFERENCES:
patent: 5159608 (1992-10-01), Falconer et al.
patent: 5185739 (1993-02-01), Spear
patent: 5408496 (1995-04-01), Ritz et al.
Calhoun George
Hilsenrath Oliver
Livneh Noam
Ritz Mordechai
Silbershatz Giora
Bocure Tesfaldet
Geotek Communications Inc.
Rafael Armament Development Authority
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