Digital communications software control system

Details Digital communications software control system Digital communications software control system

1984-05-23

1986-07-15

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

375114, H04K 100

Patent

active

046010432

ABSTRACT:
There is disclosed a digital communication system which utilizes software control through a universal synchronous/asynchronous receiver transmitter for providing improved communications performance in a digital frequency hopping communication system. The USART, under the control of a microprocessor and coupled to operate with a bit sync tracking circuit, is able to achieve synchronization and message processing of a demodulated digital signal during a receiving mode in a frequency hopping system, and initiate transmission and modulation on the pseudorandom hopping frequencies of the communication system. The USART functions as a data input/output device and may be multiplexed to handle the differing data rate for user and frame/burst data for transmission.

REFERENCES:
patent: 3825905 (1974-07-01), Allen, Jr.
patent: 4267592 (1981-05-01), Craiglow
patent: 4320512 (1982-03-01), Haskell
patent: 4383323 (1983-05-01), Timor
patent: 4494238 (1985-01-01), Groth, Jr.
patent: 4512026 (1985-04-01), Vander Meiden

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