A method for feeding back channel state information (CSI) in a wireless communication
system, carried out by a terminal, according to the present specification comprises the steps …

(57) ABSTRACT A method for detecting interference in a wireless system is disclosed. The
method includes receiving an uplink signal at a remote radio head in a distributed base …

BACKGROUND 0002 Long-Term Evolution (LTE) uses Orthogonal Fre quency Division
Multiplexing (OFDM) in the downlink and Discrete Fourier Transform (DFT) spread OFDM in …

A wireless device receives messages indicating CSI measurement resources of cells
belonging to at least two base stations or belonging to at least two sectors of a base station …

Abstract Systems and methods for providing Channel State Information (CSI) feedback in a
cellular communications network are disclosed. In some embodiments, a base station of a …

A base station receives a message comprising at least one index identifying a subset of a
second plurality of beamforming codewords. Each of the second plurality of beamforming …

The invention relates to methods and arrangements in a transmitting node for enabling a
receiving node to perform measurements on interference caused by transmissions from at …

According to one or more aspects, a wireless device may transmit a message to a serving
base station comprising parameters indicating that the wireless device supports …

Jul. 12, 2015, now Pat. No. 9, 450, 656, which is a continuation of application No. 14/705,
497, filed on May 6, 2015, now Pat. No. 9, 131, 414, which is a continuation of application …

According to one or more aspects, a serving base station may transmit a message to a target
base station based on a handover decision for a wireless device. The message may include …