Random number generator

Details Random number generator Random number generator

2007-06-12

2007-06-12

Fan, Chieh M. (Department: 2611)

Pulse or digital communications

Spread spectrum

Frequency hopping

C375S130000, C342S131000

Reexamination Certificate

active

10147828

ABSTRACT:
The present invention is a method and apparatus for providing a pseudo random sequence for a spread spectrum system that prevents interception and provides real estate and power consumption efficiency. A pseudo random sequence may be created in real-time by associating a pseudo random sequence of a channel location of the carrier frequency at an instant in time. For example, the entire band of the spread spectrum system may be scanned to detect a channel with a low received signal strength. The location of the channel, or the actual frequency of the channel, could be associated with a particular pseudo random sequence to create a hop set for frequency hopping. Additionally, the location of a characteristic of the spread spectrum system, such as a noise characteristic, could be utilized to determine a content of a pseudo random sequence.

REFERENCES:
patent: 5353341 (1994-10-01), Gillis et al.
patent: 5966665 (1999-10-01), Taki
patent: 6091758 (2000-07-01), Ciccone et al.
patent: 6732163 (2004-05-01), Halasz

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