Slot hopped FD/TD/CDMA

Details Slot hopped FD/TD/CDMA Slot hopped FD/TD/CDMA

1992-03-27

1994-03-01

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 953, 375 1, H04J 316

Patent

active

052914755

ABSTRACT:
In a wireless frequency and time division multiple access (FD/TDMA) communications system having time-slotted communications channels, there is provided a method of and apparatus for hopping wireless communications. It comprises sequencing slot assignments and sequencing frequency assignments, such that a multiplicity of frequencies are thereby usable at each site of a cellular FD/TDMA system without regard to local partitioning among surrounding uses thereof. The effect would be to probablistically reduce the interference, not only by the number of hopping frequencies, but by a factor of the number of time slots per frame.

REFERENCES:
patent: 4677617 (1987-06-01), O'Connor et al.
patent: 4747101 (1988-05-01), Akaiwa et al.
patent: 5020056 (1991-05-01), Chennakeshu

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