Granted Patent
Utility
US 5,289,501 · App. 07/797,831
Coded modulation with unequal error protection for fading channels
Inventors:
Nambirajan Seshadri, Carl-Erik Wilhelm Sundberg
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Nov 26, 1991
Inventors
Nambirajan Seshadri
Carl-Erik Wilhelm Sundberg
Assignee (at issue)
AT&T Bell Laboratories
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.