Rapid time and frequency acquistion of spread spectrum waveforms via ambiguity transform
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 30, 1999
Grant Date -
N/A
app pub date -
Nov 6, 1997
filing date -
Nov 6, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention is a method of synchronizing a digital receiver to a digital transmitter in both frequency and time using a novel ambiguity transformation. The ambiguity transform combines time correlation and spectrum synchronization into an integrated two-dimensional transform process. The ambiguity transform includes the steps of multiplying a reference sequence with a received signal to create a product signal, calculating the magnitude of the spectrum of the product signal, and determining the peak product signal. Through multiple iterations of the ambiguity transform, and time and frequency shifts, a digital receiver may be synchronized to a digital transmitter. The method of the present invention may be implemented using a digital signal processor (DSP).
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully