Adjustable chaotic signal generator using pulse modulation...

Details Adjustable chaotic signal generator using pulse modulation... Adjustable chaotic signal generator using pulse modulation...

2006-11-17

2010-11-09

Kinkead, Arnold (Department: 2817)

Oscillators

Electrical noise or random wave generator

C332S117000, C327S131000, C327S291000, C327S355000, C327S361000

Reexamination Certificate

active

07830214

ABSTRACT:
An adjustable chaotic signal generator using pulse modulation for UWB communications, and a chaotic signal generating method thereof are provided. The chaotic signal generator for UWB communications includes a plurality of pulse generators which generates pulses of different frequencies; at least one combiner which combines the pulses generated at the pulse generators; and a plurality of local oscillators which receives signals from the combiner, respectively, and generates a chaotic signal by increasing the received signals to different frequency bands. Accordingly, a plurality of users can conduct the radio communications in a specific wireless communication range at the same time by generating the chaotic signal that can be split to the multiple channels. Also, the chaotic signal generator is structured using devices integratable on an integrated circuit.

REFERENCES:
patent: 7642870 (2010-01-01), Han et al.
Woo-Kyung, Lee et al.: “Implementation of a multi-signal generator for Ultra Wideband tranceiver”, Ultra Wideband Systems, 2004. Joint with Conference on Ultrawideband Systems and Technologies. Joint UWBST & IWUWBS. 2004 International Workshop on May 18-21, 2004, pp. 263-267.
Chia-Chin Chong et al.: “LR-WPAN system design based on UWB direct chaotic communication technology”, Vehicular Technology Conference, 2005., VTC-2005-Fall. 2005 IEEE 62nd vol. 1, Sep. 25-28, pp. 63-67.

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