Granted Patent
Utility
US 6,542,931 · App. 09/434,384
Using sparse feedback to increase bandwidth efficiency in high delay, low bandwidth environment
Inventors:
Khiem Le, Haihong Zheng, Zhigang Liu, Christoph Clanton
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Nov 5, 1999
Inventors
Khiem Le
Haihong Zheng
Zhigang Liu
Christoph Clanton
Assignee (at issue)
Nokia
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.