Abstract: The disclosure relates to a wireless communication system, in which a method performed by a user equipment includes receiving, from a base station, information configuring a plurality of sounding reference signal (SRS) resources that are related with one channel state information-reference signal (CSI-RS) resource, receiving an SRS resource indicator (SRI) indicating at least one SRS resource from among the plurality of SRS resources, obtaining, based on an implicit precoding being indicated for an uplink channel, precoding information for the uplink channel based on the CSI-RS resource related with a most recently transmitted SRS of the at least one SRS resource indicated by the SRI, and transmitting, to the base station, the uplink channel based on the precoding information.

Abstract: An operation method of a repeater relaying wireless communications between a base station and at least one terminal in a communication system may include: transmitting, to the base station, a first capability report including information on beam-related capability supported by the repeater; transmitting, to the base station, a first request signal for requesting to perform first configuration for coverage extension of the repeater; receiving, from the base station, information on the first configuration configured based on the first capability report and the first request signal; and relaying the wireless communications between the base station and the at least one terminal based on one or more beams formed based on the received first configuration.

Abstract: The disclosure relates to a wireless communication system, in which a method of transmitting an uplink reference signal or channel, according to an embodiment, includes receiving, from a base station, information about a direction of a beam to be used for transmission of the uplink reference signal or channel; performing beamforming on the uplink reference signal or channel based on the information about the direction of the beam; and transmitting the beamformed uplink reference signal or channel to the base station.

Abstract: Disclosed is a method of transmitting a sounding reference signal (SRS) of a user equipment in a wireless communication system, including identifying an SRS transmission count based on an SRS periodicity, a number of SRS symbols, an SRS repetition factor, a system frame number, a number of slots per a frame for a subcarrier spacing, and a slot number within the frame for the subcarrier spacing, and transmitting, to a base station, the SRS based on the SRS transmission count.

Abstract: A method and user equipment for transmitting a sounding reference signal (SRS) of a user equipment in a wireless communication system are provided. The method includes calculating an SRS transmission count based on at least one of a numerology, an SRS periodicity, a number of SRS symbols, and an SRS repetition factor, and transmitting the SRS based on the SRS transmission count.

Abstract: A method, provided by the present disclosure, of transmitting a reference signal by a base station in a wireless communication system using a plurality of antenna ports including mapping wireless resources, for transmitting a reference signal, to a plurality of antenna ports for transmitting the reference signal; and using the wireless resources and transmitting the reference signal to a terminal through the mapped antenna ports. The mapping to the antenna ports is executed on the basis of a combination of a first mapping pattern between the wireless resources and the antenna ports and a second mapping pattern between the wireless resources and the antenna ports.

Abstract: An operation method of a first device may comprise: receiving, from a second device, first configuration information signaled for CLI-related procedures; receiving, from the second device, second configuration information signaled for operating a multiplexing operation of the first device; in response to recognizing, with respect to a first resource, a collision between first DL-UL configuration information indicated by the first configuration information and second DL-UL configuration information indicated by the second configuration information, comparing priorities of the first DL-UL configuration information and the second DL-UL configuration information; and determining a DL-UL configuration applied to the first resource based on the compared priorities.

Abstract: Provided are a method and apparatus for supporting beam-based cooperative communication for smoothly providing a service in a wireless communication system. The method, performed by a terminal, of supporting beam-based cooperative communication includes: receiving, from a base station, configuration information for measuring quality of a beam; receiving first reference signals regarding desired channels respectively corresponding to a plurality of transmission beams received from the base station, and second reference signals regarding interference channels respectively corresponding to a plurality of transmission beams that interfere with the plurality of transmission beams received from the base station; and measuring quality of a beam regarding the plurality of transmission beams received from the base station, based on the configuration information, the first reference signals, and the second reference signals.

Abstract: The present disclosure pertains to a method and an apparatus for generating a reference signal (RS) sequence and a data scrambling sequence. A method for a base station transmitting a reference signal according to an embodiment of the present disclosure may comprise the steps of: generating a reference signal sequence; and transmitting a reference signal corresponding to the generated reference signal sequence. The reference signal sequence can be generated using an initial sequence that is determined using a slot number in a transmission frame, a symbol number in a slot, and a scrambling identifier (ID).

Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate beyond a 4G communication system such as LTE. To this end, a base station using a large-scale antenna transmits, to a terminal, reference signal resource configuration information including multiple pieces of reference signal configuration information and reference signal port information, for transmission of a reference signal, and transmits the reference signal to the terminal using some or all of channel measurement resources indicated by the multiple pieces of reference signal configuration information and the reference signal port information included in the reference signal resource configuration information. In this case, the channel measurement resources may correspond to antenna ports, the number of which is indicated by a combination of the multiple pieces of reference signal configuration information and the reference signal port information.

Abstract: An operation method of a first device may comprise: identifying a first MT CC operating in a multiplexing mode among one or more MT CCs formed by an IAB-MT constituting the first device; determining first beam preference information for the first MT CC; transmitting, to a second device which is an upper node of the first device, the first beam preference information; and performing beam-based communications with the second device based on the first beam preference information.

Abstract: The present disclosure relates to a wireless communication system, and a method, performed by a terminal, of transmitting and receiving control information in a wireless communication system according to an embodiment may include receiving, from a base station, an indication of whether to perform dynamic precoding resource block (PRB) bundling through higher layer signaling and, when the dynamic PRB bundling is indicated, dynamically determining a size of a precoding resource block group (PRG) based on downlink control information (DCI).

Abstract: A method and user equipment for transmitting a sounding reference signal (SRS) of a user equipment in a wireless communication system are provided. The method includes calculating an SRS transmission count based on at least one of a numerology, an SRS periodicity, a number of SRS symbols, and an SRS repetition factor, and transmitting the SRS based on the SRS transmission count.

Abstract: Provided are a method and apparatus for transmitting and receiving channel information in a wireless communication system. The method for transmitting and receiving channel information in a wireless communication system includes: receiving information about a channel information providing method from a base station; receiving, from the base station, a reference signal for measuring a channel status between the base station and the terminal; determining channel information for a plurality of services, based on the information about the channel information providing method and the reference signal; and transmitting, to the base station, the channel information for the plurality of services.

Abstract: An operation method of a repeater performing relaying between a base station and a first terminal in a communication system may comprise: receiving one or more signals from at least one of the base station and the first terminal; performing monitoring on the one or more signals in a time interval for which a transmission direction is not determined by the base station; and determining the transmission direction of the time interval based on a result of the monitoring, wherein the one or more signals include at least one of a first signal received from the base station or a second signal received from the first terminal.

Abstract: A DC management method, performed by a first communication node constituting an IAB network in a communication system, may comprise: receiving, from a first IAB node that is a lower node of the first communication node, a first capability report including information of DC-related capability of the first IAB node; based on the first capability report, identifying whether the first IAB node supports a multi-TRP function; based on the first capability report, identifying whether the first IAB node supports an intra-carrier DC; and based on the identified whether the first IAB node supports the multi-TRP function and whether the first IAB node supports the intra-carrier DC, configuring a DC for the first IAB node together with a second communication node that is an upper node of the first IAB node.

Abstract: An operation method of a repeater relaying wireless communications between a base station and at least one terminal in a communication system may include: transmitting, to the base station, a first capability report including information on beam-related capability supported by the repeater; transmitting, to the base station, a first request signal for requesting to perform first configuration for coverage extension of the repeater; receiving, from the base station, information on the first configuration configured based on the first capability report and the first request signal; and relaying the wireless communications between the base station and the at least one terminal based on one or more beams formed based on the received first configuration.

Abstract: A method and user equipment for transmitting a sounding reference signal (SRS) of a user equipment in a wireless communication system are provided. The method includes calculating an SRS transmission count based on at least one of a numerology, an SRS periodicity, a number of SRS symbols, and an SRS repetition factor, and transmitting the SRS based on the SRS transmission count.

Abstract: A method and an apparatus for indicating the time of aperiodic channel status information (CSI) report in a wireless communication system are provided. The method for a user equipment (UE) configured to operate in a wireless communication system includes receiving configuration information about a resource of a reference signal from a base station, receiving, from the base station, feedback configuration information set based on the reference signal, receiving, via a downlink control information (DCI), a feedback transmission timing and an aperiodic CSI trigger transferred in the same slot as the reference signal, estimating an aperiodic channel status between the UE and the base station (BS) based on the reference signal, generating feedback information based on the estimated aperiodic channel status, and transmitting the feedback information to the base station based on the feedback transmission timing.

Abstract: A method for transmitting a channel state information reference signal (CSI-RS) by using multiple antenna ports and receiving CSI in a wireless communication system is provided. The method includes transmitting at least one CSI-RS configuration information for configuring a resource for transmission of the CSI-RS, transmitting the CSI-RS in a resource determined based on the CSI-RS configuration information, and receiving CSI corresponding to the transmitted CSI-RS, in which the CSI-RS configuration information includes information indicating a frequency comb type in which the CSI-RS is transmitted.