A reception method implemented by a reception device implementing a plurality of receive antennas. The method includes: estimating an interference covariance matrix representative of the spatial structure of the interference between the receive antennas; and transmitting at least one item of information about a quality of service associated with at least one acquisition technique for acquiring knowledge of the channel at transmission, able to be used by a transmission device implementing a plurality of transmit antennas, obtained from the interference covariance matrix.

Described are embodiments for uplink beam reporting. A wireless device determines an overlap in time between: a first uplink channel resource of a permissible exposure report for a cell and a second uplink channel resource of a channel state information (CSI) report for the cell. Based on the determined overlap in time, the wireless device drops the CSI report scheduled for transmission via the second uplink channel resource, and transmits the permissible exposure report via the first uplink channel resource.

Methods, systems, and devices for wireless communication are described. Some wireless communications systems may support configurations for grouping feedback information within a codebook. A user equipment (UE) may support one or more types of feedback. In some cases, the UE may generate subsets of feedback information within the codebook based on each type of feedback, which may increase overhead. To reduce overhead, the UE may receive signaling that indicates a configuration for grouping feedback information within a codebook. The UE may receive downlink messages that may be associated with a same set of uplink resources for transmitting a feedback message. The UE may generate a codebook to include one or more groups of feedback information in accordance with the configuration and based on the downlink messages. The UE may transmit the feedback message based on the codebook and via the set of uplink resources.

Provided are a beam recovery processing method, a beam recovery method, a base station and a terminal. The beam recovery processing method includes: determining, by a transmitting end, a configuration information set for instructing a receiving end to perform a beam recovery; and transmitting, by the transmitting end, the configuration information set to the receiving end.

A stochastic channel state information transmission/reception method and apparatus is provided for use in a multiuser radio communication system. The signal method of transmitting and receiving signals in a terminal in a mobile communication system according to the present disclosure includes receiving a reference signal transmitted by a base station, estimating channel information based on the reference signal, predicting a channel estimation error based on the channel information, generating feedback information based on the channel estimation error, and transmitting feedback information to the base station.

A beam information acquisition method and apparatus and a communications system. The method includes: transmitting a first reference signal to a user equipment by using K antenna elements; receiving a beam index fed back by the user equipment; determining a vector having a length K according to the beam index; estimating a vector having a length L according to the vector having a length K; determining multiple weighting vectors based on the vector having a length L; transmitting the weighted second reference signal to the user equipment; and receiving feedback information on multiple transmission antenna ports fed back by the user equipment, and obtaining beam weighting information according to the feedback information. Hence, the base station may relatively accurately obtain the beam weighting information, and the beam weighting information may be better applied to a massive MIMO system

Some demonstrative embodiments include devices, systems and/or methods to establish a connection to the Internet via a local gateway (L-GW) function for a LIPA or a SIPTO@LN. The establishment of the connection to the Internet may be performed, for example, by at least one of an E-RAB SETUP procedure, an INITIAL CONTEXT SETUP procedure, an INITIAL UE MESSAGE procedure or an UPLINK NAS TRANSPORT procedure.

Disclosed are a method for performing beam-related reporting in a wireless communication system and an apparatus therefor. Specifically, the method for user equipment (UE) for performing beam-related reporting in a wireless communication system comprises the steps of receiving configuration data from a base station (BS), the configuration data comprising data concerning the reporting period or reporting time of measurement data; receiving a reference signal (RS) from the BS on the basis of the configuration data; measuring on the basis of the RS; transmitting beam change request-related data to the BS on the basis of the measured and threshold values; and transmitting the measurement data to the BS, wherein the beam change request-related data can be transmitted before the reporting period or reporting time.

In one aspect, a method for wireless communication includes transmitting a first message indicating a precoding matrix identifier configured to identify a particular precoding matrix for precoding by another wireless communication device for at least one future transmission; and receiving a second message indicating information about whether the particular precoding matrix was or will be used for the at least one future transmission. In another aspect, a method for wireless communication includes receiving a first message indicating a precoding matrix identifier configured to identify a particular precoding matrix for precoding by the wireless communication device for at least one future transmission; and transmitting a second message indicating information about whether the particular precoding matrix was or will be used for precoding for the at least one future transmission. Other aspects and features are also claimed and described.

An electronic device that includes a processing circuit configured to: receive information about a number N of candidate transmit beams from a user device, where N is an integer greater than 1; select from the N candidate transmit beams a transmit beam for sending downlink information to the user device; and determine, on the basis of the selected transmit beam, a transmission configuration indication (TCI) state, and send the TCI state to the user device. The electronic device, the wireless communication method and the computer readable storage medium enable a network-side device to notify the user device of the information about transmit beams.