Patent ID: 9515805
Filing Date: 2016-12-06
CPC Classification: H04L,H04W

Claim Text:
1. A method in a user equipment for handling Channel State Information (CSI) in a communication system, wherein the method comprises: determining the CSI, based on information about a Common Pilot Indicator CHannel (CPICH) which CSI comprises at least one of a Channel Quality Information (CQI) a Rank Indicator (RI) a Precoding Channel Indicator (PCI) and an Hybrid Automatic Repeat reQuest ACKnowledgement/Not ACKnowledgement (HARQ ACK/NACK) wherein the CQI comprises a first CQI-Single stream (CQI-S) and a second CQI-S; and transmitting the CSI multiplexed into a plurality of Transmission Time Intervals (TTI) to a base station, by transmitting the first CQI-S in one TTI and the second CQI-S in another TTI for a rank 2 transmission and by transmitting the first CQI-S in the one TTI and a discontinuous transmission (DTX) codeword in the another TTI for a rank 1 transmission, wherein the second CQI-S corresponds to a second layer.