The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 13, 1998
Filed:
Mar. 15, 1996
Applicant:
Inventor:
James J Friedmann, Canton, OH (US);
Assignee:
Aironet Wireless Communications, Inc., Fairlawn, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
375200 ; 375200 ; 375202 ; 375308 ; 370206 ; 370209 ; 455420 ; 455522 ;
Abstract
A system which phase modulates a carrier to produce a carrier signal which transitions in phase between predetermined phase states as a function of the data, wherein a rate at which the carrier signal changes phase during a transition between the predetermined phase states varies substantially sinusoidally. The phase modulation provides a constant amplitude modulated waveform having low side lobes. Such modulation method preserves the high noise tolerance capabilities associated with FH systems and the high data throughput capabilities of DS systems.