US 2018/0123755 A1 · METHOD FOR TRANSMITTING APERIODIC REFERENCE SIGNAL FOR CHANNEL STATUS INFORMATION FEEDBACK IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR

Abstract

Disclosed is a method by which a terminal transmits channel status information (CSI) feedback in a wireless communication system. Particularly, the method for transmitting CSI feedback comprises the steps of: setting, through an upper layer signal, one CSI process having a periodic reference signal and an aperiodic reference signal; receiving, from a base station, an aperiodic CSI feedback request message related to the one CSI process; generating, in response to the aperiodic CSI feedback request message, aperiodic CSI feedback on the basis of the aperiodic reference signal; and transmitting the aperiodic CSI feedback to the base station.

Claims12

Dependent claims

A method for transmitting channel status information (CSI) feedback by a user equipment (UE) in a wireless communication system, the method comprising:

configuring a single CSI process including a periodic reference signal and an aperiodic reference signal through a higher layer signal;
receiving an aperiodic CSI feedback request message related to the single CSI process from an evolved node B (eNB);
generating aperiodic CSI feedback based on the aperiodic reference signal in response to the aperiodic CSI feedback request message;
and
transmitting the aperiodic CSI feedback to the eNB.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

15/559,503Filed 29 Mar 2016

Priority

31 Mar 2015

Published

3 May 2018

Term ends

Not estimatedThe source records don’t support an estimate.

Classification9 codes

H04L 5/0048
Arrangements for allocating sub-channels of the transmission path: allocation of pilot signals, i.e. of signals known to the receiver
H04B 7/0479
Special codebook structures directed to feedback optimisation: for multi-dimensional arrays, e.g. horizontal or vertical pre-distortion matrix…
H04B 7/0617
Of weighted versions of same signal: for beam forming
H04B 7/0626
Feedback content: channel coefficients, e.g. channel state information [CSI]

Method for transmitting aperiodic reference signal for channel status information feedback in wireless communication system and device therefor

Life of this patent

Method for transmitting aperiodic reference signal for channel status information feedback in wireless communication system and device therefor

Life of this patent

Abstract

Claims12