Patent · US Active

Network controlled feedback for MIMO systems

US8249518B2 · kind B2 · utility

18Cited by

0References

30Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Stephen Grant · Cary, US
Jung-Fu Cheng · Fremont, US
Yi-Pin Eric Wang · Fremont, US
Karl Molnar · Clifton Park, US
Leonld Krasny · Cary, US

Key dates

Filing date	Oct 19, 2005
Grant date	Aug 21, 2012
Priority date	—
Expiry date	Nov 16, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH04B7/0891
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

In a selective MIMO system, the mobile station provides channel quality feedback for one or more possible transmission mode. The mobile station provides channel quality feedback for a first mode regardless of channel conditions and determines whether to provide feedback for one or more additional modes based on current channel conditions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.