Abstract:
A method for performing communication by a user equipment (UE) in a UE-flexible Time Division Duplex (TDD) mode in a network configured to support the UE-flexible TDD mode in which a base station (BS) operates in a full duplex mode and the UE operates in a half duplex mode includes receiving information associated with a UE-flexible TDD mode support cell configured to support the UE-flexible TDD mode through a primary cell (PCell) from the base station (BS); and receiving a physical downlink shared channel (PDSCH) from the base station (BS) through the UE-flexible TDD mode support cell based on the information.
Abstract:
Disclosed in the present application is a method for a transmitting end transmitting a signal to a receiving end in a wireless communication system. Specifically, the method comprises the steps of: receiving, from the receiving end, information on a first precoder and a second precoder which are for a channel between the transmitting end and the receiving end; and transmitting a signal to the receiving end on the basis of the first precoder, wherein, if the receiving performance of the receiving end based on the first precoder is greater than or equal to a critical value, the signal is transmitted to the receiving end on the basis of the second precoder.
Abstract:
The present invention relates to a wireless communication system. In detail, the present invention is a method for transmitting data to a base station (BS) by a user equipment (UE) includes: receiving information on a contention-based Physical Uplink Shared Channel (PUSCH) zone including a plurality of contention-based PUSCH resource blocks from the base station (BS); allocating at least one contention-based PUSCH resource block for transmission of the data based on the information on contention-based PUSCH zone; and transmitting the data to the base station (BS).
Abstract:
The present invention relates to a wireless access system supporting a full duplex radio (FDR) transmission environment. A method for a base station for allocating resources in a wireless access system supporting FDR according to an embodiment of the present invention comprises the steps of: receiving, from a terminal, information regarding whether or not the terminal is participating in a grouping in which a plurality of terminals are configured as a group for resource allocation; and determining whether or not to group and allocating resources on the basis of the information regarding whether or not participating, wherein the information regarding whether or not participating may comprise a first item of information indicating whether the terminal can operate in full duplex (FD) in the same resource, a second item of information indicating (FD) in the same resource, a second item of information indicating FD operation is not possible in the same resource but whether an FD operation of another apparatus is supported, and a third item of information indicating whether a participation in the grouping is requested.
Abstract:
A method for performing a Full-Duplex Radio (FDR) operation in a wireless communication system that supports the FDR is disclosed. The method includes exchanging FDR capability information that represents whether to have a capability of performing the FDR operation between a user equipment (UE) and a base station (BS); receiving, by the UE, Inter-Device-Interference (IDI) measurement configuration information from the BS; performing, by the UE, an IDI measurement based on the received IDI measurement configuration information; reporting, by the UE, a result of the IDI measurement to the BS; and receiving, by the UE, a control message notifying that the UE is included in a group related to the FDR operation from the BS, where the FDR capability information includes indication information that represents whether to support an FDR mode that transmission and reception operations are available to be performed simultaneously using an identical radio resource.
Abstract:
An antenna module according to an embodiment comprises: a first layer which is arranged on the front surface of a dielectric substrate, and which is composed of a radiator region having a metal mesh grid, and a dummy region having a dummy mesh grid formed of a plurality of patterns; and a second layer which is arranged on the rear surface of the dielectric substrate and which allows the metal mesh grid to operate as a ground. The plurality of patterns can form a first metal line to a fourth metal line, the first metal line and the third metal line can be parallel to each other, the second metal line can connect the first metal line to the third metal line, and the fourth metal line can be connected to a second end portion of the third metal line.
Abstract:
An antenna assembly according to an embodiment is provided. The antenna assembly may comprise: a first dipole antenna and a second dipole antenna that have conductive patterns formed on both sides thereof on a surface of a dielectric substrate; a slot antenna having a slot area formed inside a ground pattern disposed between the first dipole antenna and the second dipole antenna; a first feeding unit having a first co-planar wave guide (CPW) feeding line and a second CPW feeding line that are electrically connected to the first dipole antenna and the second dipole antenna on the same plane; and a second feeding unit electrically connected to the slot area on the same plane and disposed between the first CPW feeding line and the second CPW feeding line.
Abstract:
A method for transmitting an SRS by a terminal may comprise the steps of: receiving, from a base station, one of an SRS resource indicator (SRI), a CSI-RS resource indicator (CRI), a synchronization signal block (SSB) identifier, and an uplink transmission configuration indicator (TCI); on the basis of whether the received indicator/identifier includes an indication that the corresponding indicator/identifier is commonly used for an SRS resource group or an indication that the corresponding indicator/identifier is used for a first SRS resource of the SRS resource group, determining whether to use the same transmission beam or use different transmission beams to transmit an SRS in the SRS resource group; on the basis of the determination, determining a transmission beam for the terminal, indicated by the received indicator/identifier; and transmitting the SRS in the first SRS resource on the basis of the transmission beam for the terminal, wherein the SRS resource group includes the first SRS resource and a second SRS resource.
Abstract:
A method for a base station to control inter-cell interference in a wireless communication system comprises: a step in which a base station receives, in a predefined physical resource region, a demodulation reference signal (DMRS) or a sounding reference symbol (SRS) from a terminal in a cell to which the base station belongs; a step of measuring interference in a resource on which the DMRS or the SRS has been transmitted, on the basis of an interference measurement method corresponding to the predefined physical resource region; and a step of determining the terminal as a victim terminal associated with the predefined physical resource region, if the intensity of the interference measured is greater than a predetermined threshold, wherein the predefined physical resource region may be a first physical resource region for an uplink data transmission in the cell to which the base station belongs, or a second physical resource region for uplink beam sweeping in the cell to which the base station belongs, the first and second physical resource regions corresponding to a physical resource region for uplink beam sweeping in a neighboring cell to which a neighboring base station belongs.
Abstract:
A method for transmitting data by a user equipment (UE), includes configuring a Physical Uplink Shared Channel (PUSCH) configuration related to a physical random access channel (PRACH), wherein the PUSCH configuration includes parameters for a time interval for allocating PUSCH zones and a number of contiguous PUSCH zones in time domain, and transmitting the PRACH and a PUSCH based on the PUSCH configuration.