Fast transmitter based on table lookup

Details Fast transmitter based on table lookup Fast transmitter based on table lookup

2005-10-18

2005-10-18

Fan, Chieh M. (Department: 2634)

Pulse or digital communications

Transmitters

Angle modulation

C375S283000, C375S130000

Reexamination Certificate

active

06956910

ABSTRACT:
A method of increasing the speed of a transmitter by storing in look-up tables, modulation, spread, over-sampled and filtered samples of modulated data bits having an I and Q. The bits I and Q are differentially modulated, and the tables are indexed based on the differential modulation.

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Allan R. D. et al.: “A high performance satelite data modem using real-time digital signal processing techniques,”J. IERE, vol. 58, No. 3, pp. 117-124 (May 1988).

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