US 12,237,889 B2
Wireless device, a radio node, and methods therein
Stefan Parkvall, Bromma (SE); Håkan Andersson, Linköping (SE); Mattias Frenne, Uppsala (SE); and Johan Furuskog, Stockholm (SE)
Assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm (SE)
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Filed on Nov. 2, 2021, as Appl. No. 17/516,943.
Application 17/516,943 is a continuation of application No. 15/315,330, granted, now 11,196,465, previously published as PCT/SE2015/050034, filed on Jan. 15, 2015.
Prior Publication US 2022/0060227 A1, Feb. 24, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04B 7/0456 (2017.01); H04L 5/00 (2006.01); H04W 28/02 (2009.01); H04W 36/00 (2009.01); H04W 72/23 (2023.01); H04B 7/06 (2006.01); H04W 74/0833 (2024.01)
CPC H04B 7/0456 (2013.01) [H04L 5/0051 (2013.01); H04W 28/0236 (2013.01); H04W 36/0005 (2013.01); H04W 72/23 (2023.01); H04B 7/0469 (2013.01); H04B 7/0628 (2013.01); H04W 74/0833 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A method performed by a wireless device for assisting in precoder selection for wireless communication with a Radio Node (RN), the wireless device being configured with a set of precoders unknown to the RN, the method comprising:
transmitting, to the RN, at least one sounding reference signal precoded with a precoder from a subset of precoders configured to the wireless device, wherein the subset is unknown to the RN; and
receiving, from the RN, a signal indicative of a selected precoder to be used for a transmission to the RN, wherein the selected precoder is indirectly selected by the RN from the subset of precoders based on the transmitted at least one sounding reference signal.