Method and apparatus for the generation of frequency hopping seq

Details Method and apparatus for the generation of frequency hopping seq Method and apparatus for the generation of frequency hopping seq

1997-10-14

2000-08-22

Vo, Don N.

Pulse or digital communications

Spread spectrum

Frequency hopping

708250, H04B 1500, H04K 100, H04L 2730

Patent

active

061083666

ABSTRACT:
A frequency hopping generator comprises an XOR processing module and a PERM (permutation) processing module arranged in series. The XOR and PERM modules act directly on input clock lines as a function of a selection address. The hopping number sequence generated by the frequency hopping generator can be changed in real-time by changing the selection addresses, while the phase of the sequence can be changed in real-time by changing the clock value on the clock lines. The frequency generator finds exemplary use in rapidly switching between different piconets in a wireless scatter network.

REFERENCES:
patent: 4066964 (1978-01-01), Costanza et al.
patent: 4276652 (1981-06-01), McCalmont et al.
patent: 4383323 (1983-05-01), Timor
patent: 4876659 (1989-10-01), Devereux et al.
"Spread Spectrum Communications Handbook," Simon et al., McGraw-Hill, Inc., 1994, Chapter 5, pp. 262-396.

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