Abstract: According to an embodiment, a communication control method includes: establishing, by a smart repeater (SR) wireless terminal capable of beamforming, a wireless connection to a base station, the SR wireless terminal controlling an SR device relaying wireless communication between the base station and a wireless terminal; and transmitting, by the base station, one or more SR control configurations used to control the SR device to the SR wireless terminal through wireless communication.

Abstract: According to an embodiment, a communication control method includes: establishing, by a smart repeater (SR) wireless terminal capable of beamforming, a wireless connection to a base station, the SR wireless terminal controlling an SR device relaying wireless communication between the base station and a wireless terminal; and transmitting, by the SR wireless terminal to the base station through wireless communication, SR device information indicating at least one of a capability of the SR device and a control state of the SR device.

Abstract: A communication control method used in a mobile communication system including a gNB 200 and a UE performing wireless communication with the gNB 200, the communication control method including: establishing, by an RIS-UE 100B, a wireless connection with the gNB 200, the RIS-UE 100B controlling an RIS device 500 that changes a propagation direction of a radio wave incident from the gNB 200; and transmitting, by the RIS-UE 100B to the gNB 200 through wireless communication, RIS device information indicating at least one of a capability of the RIS device 500 and a control state of the RIS device 500.

Abstract: A communication control method used in a mobile communication system including a gNB and a UE performing wireless communication with the gNB, the communication control method including: establishing, by an RIS-UE, a wireless connection with the gNB, the RIS-UE controlling an RIS device that changes a propagation direction of a radio wave incident from the gNB; and transmitting, by the gNB to the RIS-UE through the wireless communication, one or more pieces of RIS control information used to control the RIS device.

Abstract: A user equipment, method used in a user equipment, and an apparatus for a user equipment include receiving from a first cell operated in a licensed band, configuration information configuring a second cell operated in an unlicensed band, performing a listen-before-talk (LBT) procedure on the second cell, counting a number of failures of the LBT procedure on the second cell, and transmitting information based on the number of failures of the LBT procedure on the second cell, to the first cell operated in the licensed band, the information indicating the failure of the LBT procedure on the second cell.

Abstract: A radio terminal according to one embodiment comprises a controller configured to transmit a physical uplink shared channel to a base station by an interlace mapping using a plurality of resource blocks distributed on a frequency axis while overlapping on a time axis. The controller receives, from the base station, control channel information on a time-frequency resource used for transmitting the physical uplink control channel. The controller stops transmission in a specific resource block corresponding to the time-frequency resource from among the plurality of resource blocks, based on the control channel information.

Abstract: A communication control method used in a user equipment and user equipment that performs a predetermined data transmission in which uplink user data is transmitted during a random access procedure include transmission of a first message for the predetermined data transmission while in a predetermined RRC state in which an RRC connection is suspended to a base station. After transmitting the first message, a second message is received from the base station for maintaining the user equipment in the predetermined RRC state. A communication control method and base station include reception of a first message for the predetermined data transmission at the base station from a user equipment that is in a predetermined RRC state in which an RRC connection is suspended during a random access procedure. After receiving the first message, a second message is received for maintaining the user equipment in the predetermined RRC state.

Abstract: In a user equipment, base station and method for a mobile communication system, the user equipment receives, from a first base station, transmission power control information used for a dual simultaneous transmission in which radio signals are simultaneously transmitted to both the first base station and a second base station, and determines a first transmission power and a second transmission power for the dual simultaneous transmission based on the transmission power control information. The first transmission power is used for transmitting a radio signal to the first base station, and the second transmission power is used for transmitting a radio signal to the second base station.

Abstract: A communication control method used in a user equipment, user equipment, and apparatus for controlling a user equipment used in a user equipment perform early data transmission in which uplink user data is transmitted during a random access procedure. The user equipment receives from a base station, a first timer value for a random access procedure without the early data transmission and a second timer value for a random access procedure with the early data transmission, selects the second timer value in response to determining that the user equipment performs the early data transmission, and starts a timer configured with the second timer value in response to transmitting the uplink data by the early data transmission.

Abstract: Configurations of a user equipment and an apparatus provided in a user equipment, and a method used in a user equipment, receive from a base station, for each bandwidth part of a plurality of bandwidth parts provided in a bandwidth of one carrier, information indicating a frequency location of the bandwidth part and information indicating a subcarrier spacing applied to the corresponding bandwidth part, receive from the base station, information indicating a use condition of a predetermined bandwidth part included in the plurality of bandwidth parts. In response to determining that the use condition is satisfied, the configurations and method use the predetermined bandwidth part.

Abstract: A radio terminal performs radio communication with a base station in a mobile communication system. The radio terminal includes a controller configured to perform processing of transmitting an aperiodic CSI feedback related to a downlink channel state to the base station. In response to a predetermined condition being satisfied, the controller performs multiplex transmission in which uplink data in which the aperiodic CSI feedback is multiplexed is transmitted to the base station, by using a PUSCH resource.

Abstract: A user equipment, apparatus, and method receives from a base station, for each bandwidth part of a plurality of bandwidth parts provided in a bandwidth of one carrier, information indicating a frequency location of the bandwidth part and information indicating a subcarrier spacing applied to the corresponding bandwidth part, and receives, from the base station, broadcast information including information on a special bandwidth part which the user equipment should use initially. A base station transmits to a user equipment, for each bandwidth part of a plurality of bandwidth parts provided in a bandwidth of one carrier, information indicating a frequency location of the bandwidth part and information indicating a subcarrier spacing applied to the corresponding bandwidth part, and transmits to the user equipment, broadcast information including information on a special bandwidth part which the user equipment should use initially.

Abstract: A mobile communication method for performing predetermined communication between a base station and a user terminal by using a narrow band including 6 resource blocks comprises: transmitting, from the base station to the user terminal, narrow band allocation information allocating a predetermined number of the narrow bands to the user terminal as allocation information of the narrow band used for the predetermined communication; performing by the user terminal, the predetermined communication by using the predetermined number of narrow bands based on the narrow band allocation information; transmitting, from the base station to the user terminal, an RRC message including information specifying a bandwidth supportable by the user terminal; and changing, by the base station, a number of bits of the narrow band allocation information according to the bandwidth supportable by the user terminal. The predetermined number of narrow bands are provided within a bandwidth supportable by the user terminal.

Abstract: A sensor system may include a base, one or more wireless communication sensors attached to the base, and a wireless communication apparatus that performs wireless communication with the wireless communication sensors. The wireless communication sensors may include a sensor that detects a position of the wireless communication sensor, a wireless communication module that performs wireless communication with the wireless communication apparatus, and a controller that controls the sensor and the wireless communication module. The controller, when the position of the wireless communication sensor, detected by the sensor, satisfies a predetermined condition, may change a status of wireless communication between the wireless communication module and the wireless communication apparatus from a first state to a second state in which an electric power consumption of the wireless communication module is greater than in the first state.

Abstract: A communication control method used in a user equipment, user equipment, and apparatus for controlling a user equipment used in a user equipment perform early data transmission in which uplink user data is transmitted during a random access procedure. The user equipment receives from a base station, a first timer value for a random access procedure without the early data transmission and a second timer value for a random access procedure with the early data transmission, selects the second timer value in response to determining that the user equipment performs the early data transmission, and starts a timer configured with the second timer value in response to transmitting the uplink data by the early data transmission.

Abstract: A user equipment, apparatus, and method transmits a random access preamble to a cell and receives a message including a random access response as a response to the random access preamble from the cell. The message indicates that a Radio Resource Control (RRC) connection to the cell is rejected.

Abstract: A communication control method in a mobile communication system, comprises a step A of transmitting, by a first radio communication device to a second radio communication device, information on whether to perform an early data transmission which transmits data using a predetermined message during a random access procedure, and a step B of determining, by the second radio communication device, after the second radio communication device receives the information, whether to perform the early data transmission based on the received information. The first radio communication device is one of a radio terminal and a base station, and the second radio communication device is the other of the radio terminal and the base station. The step A is performed earlier than transmission timing of the predetermined message.

Abstract: A communication method, first communication apparatus, and chipset included in a first communication apparatus function to receive from a base station first information indicating that the base station supports a relay apparatus configured to relay traffic between the base station and another communication apparatus, transmit to the base station, after receiving the first information from the base station, second information indicating that the first communication apparatus is the relay apparatus, and transmit to the base station, by the first communication apparatus, third information indicating expected data amount of the first communication apparatus. Abase station is configured to transmit the first information to the first communication apparatus, thereafter receive the second information, and receive the third information.

Abstract: A holder may include a base, an antenna and a sensor. The base has a bar shape extended along a central axis from a first end toward a second end. The base may include a metal member and a first resin. The metal member may include a pocket that is attachable of an insert including a cutting edge. The first resin may be located closer to the second end than the metal member. The antenna may be covered with the first resin. The sensor may be located closer to the pocket than the antenna and may be wired connected to the antenna, and may be measurable a state of the base. This configuration may contribute to solving the problem that handling of wiring becomes complicated.

Abstract: A user equipment, method used in user equipment, and apparatus for controlling a user equipment operate to receiving a connected mode DRX parameter configured by a base station, and transmit to the base station a message including information indicating a connected mode DRX parameter preferred by the user equipment. The connected mode DRX parameter preferred by the user equipment includes at least one of DRX-InactivityTimer, DRX-ShortCycle, and DRX-ShortCycleTimer.