Frequency hopping in digital cellular networks

Details Frequency hopping in digital cellular networks Frequency hopping in digital cellular networks

1994-05-06

1995-07-04

Marcelo, Melvin

Multiplex communications

Wide area network

Packet switching

370 953, H04J 400, H04L 526

Patent

active

054307139

ABSTRACT:
A circuit is for providing frequency hopping in a Time Division Multiple Access (TDMA) system. A microprocessor determines the frequency to be transmitted in a particular broadcast frame. A dual port random access member (RAM) provides an interface between the microprocessor and a time division multiplex bus so that the time slots are mapped to addresses in the memory. A plurality of transceivers coupled to the bus transmits and receives at different designated frequencies, the transceivers being chosen for particular users during a particular broadcast frame based on the location in the memory chosen by the microprocessor.

REFERENCES:
patent: 5022024 (1991-06-01), Paneth et al.
patent: 5311504 (1994-05-01), Colamonico et al.
patent: 5329548 (1994-07-01), Borg

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