Pulse or digital communications – Pulse position – frequency – or spacing modulation
Patent
1997-02-27
1998-12-01
Tse, Young T.
Pulse or digital communications
Pulse position, frequency, or spacing modulation
375364, 370520, 370213, 329313, 332112, H03K 704, H03K 904
Patent
active
058449426
ABSTRACT:
A method for modulating a radio signal has the steps of: predetermining a first time interval so as to define a data word; generating a synchronization pulse, the synchronization pulse initiating a single data word having a length of the predetermined first time interval; and generating a single data pulse within the data word after a second time interval with respect to the synchronization pulse, the length of the second time interval defining at least one character. Defining at least one character by a single data pulse after a second time interval with respect to the synchronization pulse enhances an energy efficiency of the transmitted radio signal while mitigating a duty cycle thereof.
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Guthrie Warren E.
Hicks Randall G.
Wesley James T.
Anderson Terry J.
Hoch Jr. Karl J.
Northrop Grumman Corporation
Tse Young T.
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