Digital transmitter with vector component addressing

Details Digital transmitter with vector component addressing Digital transmitter with vector component addressing

1981-09-21

1984-04-10

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

375 53, 332 9R, H04L 2720

Patent

active

044425309

ABSTRACT:
A digital transmitter wherein a read only memory (ROM) is addressed by subaddresses representing vector components of signal point positions of a desired transmit spectrum. In this manner, greatly reduced ROM storage requirements are achieved.

REFERENCES:
patent: 3747024 (1973-07-01), Choquet et al.
patent: 3909721 (1975-09-01), Bussgang et al.
patent: 3935386 (1976-01-01), Glasson et al.
patent: 3987374 (1976-10-01), Jones, Jr.
patent: 3988540 (1976-10-01), Scott et al.
patent: 4003001 (1977-01-01), Jones, Jr.
patent: 4008373 (1977-02-01), Nash et al.
patent: 4263670 (1981-04-01), Sherman
patent: 4307464 (1981-12-01), Hughes
Choquet, Nussbaumer, "Generation of Synchronous Data Transmission Signals by Digital Echo Modulation, " Sep. 1971.
Croisier, Pierret, "The Digital Echo Modulation," Aug., 1970.

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