Abstract:
A method by a terminal, a method by a base station, a terminal, and a base station are provided. The method by the terminal includes receiving a first channel state information reference signal (CSI-RS) and a second CSI-RS from a base station; generating channel state information (CSI) based on both the first CSI-RS and the second CSI-RS; and reporting the CSI to the base station, wherein the CSI includes a rank indicator (RI) and a channel quality indicator (CQI).
Abstract:
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of receiving uplink control information in a communication system. The method includes identifying a resource for receiving the uplink control information on a first uplink control channel from a terminal, transmitting first information associated with the resource to the terminal, transmitting second information associated with the resource to the terminal, and receiving the uplink control information on the uplink control channel based on the first information and the second information from the terminal.
Abstract:
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A control method by a terminal, according to one embodiment of the present invention, can comprise the steps of: receiving PUCCH configuration information, which includes first information on a PUCCH resource and second information on the number of slots for repeatedly transmitting PUCCH; and determining, on the basis of the PUCCH configuration information and slot format information, the slots by which the PUCCH is to be repeatedly transmitted.
Abstract:
Methods and electronic devices are provided for configuring a sharing target device. A method includes transmitting, to an authentication server associated with a mobile network operator for managing data usage, a device configuration request message for configuring the sharing target device to share a data usage amount assigned to the electronic device; receiving, from the authentication server, in response to the device configuration request message, an access code permitting access to the authentication server; and transmitting the received access code to the sharing target device, wherein the sharing target device receives, using the access code, a subscriber profile from the authentication server for sharing the data usage amount assigned to the electronic device.
Abstract:
A discovery signal transmission/reception method and an apparatus for improving energy efficiency of the system are provided. The discovery signal transmission method of a base station in a mobile communication system according to the present disclosure includes acquiring a discovery signal configuration of a neighbor cell, transmitting the discovery signal configuration to a terminal, receiving a measurement report including a result of measurement on a discovery signal of the neighbor from the terminal, the measurement being performed based on the discovery signal configuration, and determining whether to make a handover decision for the terminal based on the measurement report. The discovery signal transmission/reception method of the present disclosure is advantageous in improving energy efficiency of a mobile communication system.
Abstract:
A method and an apparatus for transmitting/receiving channel state information for use in multi-antenna system are provided. A signal communication method of a base station having a plurality of antennas in a wireless communication system includes determining antenna ports of first and second directions based on directions of the plurality of antennas, allocating channel measurement resources for the respective antenna ports to a terminal, transmitting a feedback configuration to the terminal according to the channel measurement resources, and receiving feedback information from the terminal based on the channel measurement resource and the feedback configuration. The signal transmission/reception method and apparatus are advantageous in transmitting/receiving channel state information efficiently in the system using a plurality of antennas.
Abstract:
A method and an apparatus for transmitting uplink/downlink data on time division duplexing (TDD) carriers are provided. The method includes transmitting to a base station in a primary cell (PCell) and a secondary cell (SCell), a TDD uplink (UL)/downlink (DL) configuration of the PCell having a DL subframe super-set or UL subset that are common in the SCell and the PCell and a TDD UL-DL configuration differing from each other, receiving data at a first subframe in the SCell, and transmitting, when a UL subframe set of the SCell is a subset of a UL subframe of the PCell, a feedback corresponding to the data at a subframe predefined in association with the first subframe in the PCell according to the TDD UL-DL configuration of the SCell. The method supports both the self-scheduling and cross-carrier scheduling of the UE using carriers of different TDD configurations.
Abstract:
The present disclosure relates to a communication technique and a system thereof for fusing, with IoT technology, a 5G communication system for supporting a higher data transmission rate than a beyond 4G system. The present disclosure may be applied to intelligent services (such as smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail business, security and safety related services, etc.). The present disclosure relates to a method for receiving downlink data of a terminal in a wireless communication system, and suggests a method and an apparatus for receiving downlink data, the method comprising: a step for checking a transmission parameter regarding data being transmitted from an interference cell; a step for determining, on the basis of the transmission parameter, whether or not an interference signal exists; a step for determining, on the basis of any one of the transmission parameter and the determination on whether or not an interference signal exists, whether or not network assisted interference cancellation and suppression (NAICS) technology is applied; and a step for decoding the downlink data on the basis of the determination on whether or not the NAICS technology is applied.
Abstract:
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. For licensed assisted access (LAA) technology used in a wireless communication system, an apparatus and a method for scheduling downlink data at a base station is provided. In the method, based on at least one part of parameters of a bearer to which the downlink data belongs, the base station determines a serving cell for scheduling the downlink data. Further, information about the identified serving cell is transmitted to a user equipment (UE).
Abstract:
A control channel transmission/reception method and apparatus are provided. The control channel transmission method of a base station includes acquiring a criterion for sorting control channels, sorting the controls channels into at least two control channel sets based on the criterion, configuring the control channels by allocating at least one antenna port to each control channel set, and transmitting the control channels as configured.