H - Electricity – 04 – L
Patent
H - Electricity
04
L
328/0.1
H04L 27/24 (2006.01) H04L 27/20 (2006.01)
Patent
CA 1098184
AN ARRANGEMENT FOR COMBINING DATA SYMBOLS IN ACCORDANCE WITH A-PREDETERMINED WEIGHTING FUNCTION Abstract of the Disclosure To minimize distortion, a sequence of phase modulated signal elements (data symbols) are combined in accordance with a predetermined shaping (weighting) function by a transversal filter augmented with a baud rate control circuit. The transversal filter includes a plurality of multipliers, located at taps along a delay line, forming products between data symbols and coefficients representing segments of the predetermined weighting function. The baud rate control circuit shifts the phase of the delayed data symbols and delivers these "extended" data symbols to certain multipliers. By digitally processing segments of the weighting function and portions of an overall data symbol this invention yields to compact construction.
289529
Kirby Eades Gale Baker
Western Electric Company Incorporated
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