07599421 is referenced by 32 patents and cites 921 patents.

Frequency translation and spread spectrum applications of same are described herein. Such applications include, but are not limited to, unified down-conversion and de-spreading, unified up-conversion and spreading, RAKE receivers utilizing unified down-conversion and de-spreading, and Early/Late receivers utilizing unified down-conversion and de-spreading, and combinations and applications of same. Additionally, applications are included for limiting spectral growth during unified up-conversion and spreading of a baseband signal.

Title
Spread spectrum applications of universal frequency translation
Application Number
11/404957
Publication Number
7599421 (B2)
Application Date
April 17, 2006
Publication Date
October 6, 2009
Inventor
Gregory S Silver
St. Augustine
FL, US
Michael W Rawlins
Lake Mary
FL, US
Gregory S Rawlins
Heathrow
FL, US
Charley D Moses Jr
DeBary
FL, US
Richard C Looke
Jacksonville
FL, US
Joseph M Hamilla
St. Augustine
FL, US
Robert W Cook
Switzerland
FL, US
Charles D Clements
Jacksonville
FL, US
Michael J Bultman
Jacksonville
FL, US
David F Sorrells
Middleburg
FL, US
Agent
Sterne Kessler Goldstein & Fox PLLC
Assignee
ParkerVision
FL, US
IPC
H04B 1/00
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