The present disclosure relates to a pre-5.sup.th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4.sup.th-Generation (4G) communication system such as Long Term Evolution (LTE). A method for operating a terminal in a wireless communication system, the method comprises determining a time-frequency structure of a downlink reference signal, and receiving, from a base station, the downlink reference signal according to the time-frequency structure.

The present disclosure relates to a pre-5.sup.th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4.sup.th-Generation (4G) communication system such as Long Term Evolution (LTE). A method for operating a terminal in a wireless communication system, the method comprises determining a time-frequency structure of a downlink reference signal, and receiving, from a base station, the downlink reference signal according to the time-frequency structure.

Provided are a physical uplink control channel (PUCCH) transmission method, user equipment and device, used to solve the technical problem that there is no clear method or device in existing technology which supports a PUCCH transmission scenario in a new wireless communication system. The PUCCH transmission method comprises: determining an uplink beam used during PUCCH transmission on the basis of a downlink beam used by a physical downlink control channel (PDCCH) and/or a physical downlink shared channel (PDSCH); and carrying out PUCCH transmission using the determined uplink beam.

Provided are a physical uplink control channel (PUCCH) transmission method, user equipment and device, used to solve the technical problem that there is no clear method or device in existing technology which supports a PUCCH transmission scenario in a new wireless communication system. The PUCCH transmission method comprises: determining an uplink beam used during PUCCH transmission on the basis of a downlink beam used by a physical downlink control channel (PDCCH) and/or a physical downlink shared channel (PDSCH); and carrying out PUCCH transmission using the determined uplink beam.

A method and apparatus of a user equipment (UE) in a wireless communication system are provided. The method and apparatus comprise: receiving a set of higher layer parameters including configuration information for sidelink synchronization signals and physical sidelink broadcast channel (S-SS/PSBCH) block; determining, based on the configuration information for the S-SS/PSBCH block, a number of transmitted S-SS/PSBCH blocks (N.sub.SSB), an offset for transmitted S-SS/PSBCH blocks (O.sub.SSB), and an interval for transmitted S-SS/PSBCH blocks (D.sub.SSB); and determining a set of slots containing the transmitted S-SS/PSBCH blocks within a period for a transmission of the S-SS/PSBCH block, wherein an index of a slot in the set of slots is determined based on O.sub.SSB+I.sub.SSB*D.sub.SSB, where I.sub.SSB is an index of the S-SS/PSBCH block with 0≤I.sub.SSB≤N.sub.SSB−1.

A method and apparatus of a user equipment (UE) in a wireless communication system are provided. The method and apparatus comprise: receiving a set of higher layer parameters including configuration information for sidelink synchronization signals and physical sidelink broadcast channel (S-SS/PSBCH) block; determining, based on the configuration information for the S-SS/PSBCH block, a number of transmitted S-SS/PSBCH blocks (N.sub.SSB), an offset for transmitted S-SS/PSBCH blocks (O.sub.SSB), and an interval for transmitted S-SS/PSBCH blocks (D.sub.SSB); and determining a set of slots containing the transmitted S-SS/PSBCH blocks within a period for a transmission of the S-SS/PSBCH block, wherein an index of a slot in the set of slots is determined based on O.sub.SSB+I.sub.SSB*D.sub.SSB, where I.sub.SSB is an index of the S-SS/PSBCH block with 0≤I.sub.SSB≤N.sub.SSB−1.

Aspects described herein relate to bi-direction preemption indication transmissions. In one example, a node such as an integrated access and backhaul (IAB) node may determine that a set of one or more resources are preempted for use for both an uplink transmission and a downlink transmission, and transmit, to a user equipment (UE), the bi-direction preemption indication indicating that the set of one or more resources are preempted for use for both of the uplink transmission and the downlink transmission. In another example, a UE may receive a bi-direction preemption indication indicating that a set of one or more resources are preempted for use for both an uplink transmission and a downlink transmission, and perform rate matching for both of the uplink transmission and downlink transmission based on the set of one or more resources indicated by the bi-direction preemption indication.

Aspects described herein relate to bi-direction preemption indication transmissions. In one example, a node such as an integrated access and backhaul (IAB) node may determine that a set of one or more resources are preempted for use for both an uplink transmission and a downlink transmission, and transmit, to a user equipment (UE), the bi-direction preemption indication indicating that the set of one or more resources are preempted for use for both of the uplink transmission and the downlink transmission. In another example, a UE may receive a bi-direction preemption indication indicating that a set of one or more resources are preempted for use for both an uplink transmission and a downlink transmission, and perform rate matching for both of the uplink transmission and downlink transmission based on the set of one or more resources indicated by the bi-direction preemption indication.

In a wireless communication system, a user equipment (UE) transmits, to a base station (BS), UE capability information comprising whether the UE supports cooperative communication for receiving physical downlink shared channels (PDSCHs) from a plurality of transmission reception points (TRPs) in a particular time-frequency resource, obtains, via radio resource control (RRC), information about whether the cooperative communication is to be applied from the BS, identifies a format of a medium access control (MAC) control element (CE) received from the BS based on whether the BS is to apply the cooperative communication, and determines transmission configuration indication (TCI) states according to the respective TRPs, based on the identified format of the MAC CE.

In a wireless communication system, a user equipment (UE) transmits, to a base station (BS), UE capability information comprising whether the UE supports cooperative communication for receiving physical downlink shared channels (PDSCHs) from a plurality of transmission reception points (TRPs) in a particular time-frequency resource, obtains, via radio resource control (RRC), information about whether the cooperative communication is to be applied from the BS, identifies a format of a medium access control (MAC) control element (CE) received from the BS based on whether the BS is to apply the cooperative communication, and determines transmission configuration indication (TCI) states according to the respective TRPs, based on the identified format of the MAC CE.