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: 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: 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: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An operating method of a terminal in a wireless communication system includes: receiving SRS configuration information from a base station; and transmitting an SRS according to the SRS configuration information. The SRS configuration information includes a slot configuration comprising a slot periodicity for transmitting a SRS, and a slot offset for the slot periodicity.

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: 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.

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, 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: 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: A method, provided by the present disclosure, of transmitting a reference signal by means of a base station in a wireless communication system using a plurality of antenna ports comprises the steps of: 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 step of mapping to the antenna ports is characterized by being 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: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An operating method of a terminal in a wireless communication system includes: receiving SRS configuration information from a base station; and transmitting an SRS according to the SRS configuration information. The SRS configuration information includes a slot configuration comprising a slot periodicity for transmitting a SRS, and a slot offset for the slot periodicity.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An operating method of a terminal in a wireless communication system includes: receiving SRS configuration information from a base station; and transmitting an SRS according to the SRS configuration information. The SRS configuration information includes a slot configuration comprising a slot periodicity for transmitting a SRS, and a slot offset for the slot periodicity.