In a wireless communication system having an antenna array selectively configured to
transmit channel state information reference signals (CSI-RS) using a plurality of antenna …

A base station capable of communicating with a user equipment (UE) includes a transceiver
configured to transmit downlink signals containing first and second antenna numbers, first …

A base station capable of communicating with a user equipment (UE) includes a transceiver
configured to transmit Channel State Information-Reference Signal (CSI-RS) according to a …

Channel quality indicator (COI) and precoding feedback from a user equipment includes
reporting of at least a first and a second precoding matrix indicator (PMI). First, second and …

Disclosed are a codebook-based signal transmission and reception method in a multi-
antenna wireless communication system and an apparatus therefor. Specifically, a method …

A method, wireless device and network node for determining an indication of a precoder are
provided. According to one aspect, a method in a wireless device includes determining and …

Methods, wireless devices and base stations for determining multi-beam channel state
information, CSI are provided. According to one aspect, embodiments include a method of …

(65) Prior Publication Data US 2019/0045460 A1 Feb. 7, 2019 (57) ABSTRACT Network
nodes, wireless devices and methods of reducing signaling overhead are provided. In one …

US10205495B2 - Methods and devices for determining precoder parameters in a wireless
communication network - Google Patents US10205495B2 - Methods and devices for …

A method for operating a base station includes receiving an uplink signal from a user
equipment (UE), wherein the uplink signal includes a precoding matrix indicator (PMI) …