Pulse transmission transceiver architecture for low power...

H - Electricity – 04 – J

Patent

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H04J 11/00 (2006.01) H04B 14/02 (2006.01) H04L 25/03 (2006.01) H04L 25/49 (2006.01) H04B 1/69 (2006.01) H04J 13/02 (2006.01)

Patent

CA 2385417

Systems and methods for pulse-transmission low-power communication modes are disclosed. A method of pulse transmission communications includes: generating a modulated pulse signal waveform; transforming said modulated pulse signal waveform into at least one higher-order derivative waveform; and transmitting said at least one higher-order derivative waveform as an emitted pulse. The systems and methods significantly reduce lower- frequency emissions from pulse transmission spread-spectrum communication modes, which reduces potentially harmful interference to existing radio frequency services and users and also simultaneously permit transmission of multiple data bits by utilizing specific pulse shapes.

L'invention concerne des systèmes et des procédés de communication à faible puissance à transmission par impulsions. Un procédé de communication à transmission par impulsions consiste à générer une forme d'onde de signal par impulsion modulée, à transformer cette forme d'onde de signal par impulsion modulée en au moins une forme d'onde dérivée d'ordre supérieur, et à transmettre la forme d'onde dérivée d'ordre supérieur en pulsion émise. Ces systèmes et ces procédés réduisent de façon significative les émissions basse fréquence des modes de communication à transmission par impulsions à spectre étalé, ce qui réduit les interférences nuisibles potentielles pour les services radioélectriques existants et leurs utilisateurs, et permet également de transmettre de façon simultanée de multiples bits d'information grâce à des formes d'impulsions spécifiques.

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