System and method of efficiently modulating data using...

Details System and method of efficiently modulating data using... System and method of efficiently modulating data using...

2003-02-18

2008-11-18

Ghayour, Mohammad H. (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Amplitude modulation

C375S259000, C375S239000

Reexamination Certificate

active

07453950

ABSTRACT:
A method and apparatus to improve modulation efficiency. A symbol is created in which the relative position of a second pulse is a symbol period encode at least one bit. The symbol is transmitted across a communication channel. The one or more bits modulated by the position of the second pulse are recovered such that high bit rate communication may occur without channel compensation.

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patent: 6295272 (2001-09-01), Feldman et al.
patent: 6687293 (2004-02-01), Loyer et al.
patent: 2001/0006538 (2001-07-01), Simon et al.
T. Lueftner, Et Al.,Edge-position modulation for high-speed wireless infrared communications,IEE Proceedings-Optoelectronics, Oct. 17, 2003, pp. 427-437, vol. 150, No. 5, UK.

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