Patent · US Active

Base station, user equipment and methods therein

US9392440B2 · kind B2 · utility

2Cited by

0References

30Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Bo Göransson · Sollentuna, SE
Erik Larsson · Linköping, SE
Peter Von Wrycza · Stockholm, SE

Key dates

Filing date	Mar 19, 2013
Grant date	Jul 12, 2016
Priority date	—
Expiry date	Oct 21, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH04W28/04
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Embodiments herein relate to a method in a base station (12) for providing feedback to a user equipment (14) for transmissions of a secondary stream out of a primary and a secondary stream of the user equipment (14) in an uplink Multiple Input Multiple Output mode. The base station (12) transmits to the user equipment (14), a preferred transmission rank and an offset for the secondary stream in a channel, wherein the offset is to be used by the user equipment (14) when deciding transport block size of the secondary stream and the preferred transmission rank is to be used by the user equipment (14) when deciding a transmission rank.

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