Abstract: A base station according to a first aspect includes a controller configured to perform a process of receiving, from a mobility management apparatus, a paging message used for paging of a radio terminal. The paging message includes a first field for idle mode non-extended DRX and a second field for idle mode extended DRX. If information indicating a DRX cycle of the idle mode extended DRX is included in the second field, the controller is configured to determine that the idle mode extended DRX is configured to the radio terminal.

Abstract: A base station (eNB 200-1) operated in a specific frequency band shared by a plurality of operators or a plurality of communication systems transmits, to another base station (eNB 200-2) operated in the specific frequency band, transmission request information requesting transmission of a predetermined signal for stopping transmission of an interference signal by an interference source (UE 100-2) causing interference to a radio terminal (UE 100-1) connected to the base station.

Abstract: A metal joint adapted to be fitted into a hole formed in a building component and fixed to the hole with an adhesive includes: a small diameter portion having an elongated shape and an outer diameter smaller than an inner diameter of the hole; and two large diameter portions fixed to the small diameter portion individually at two locations spaced apart from each other in a longitudinal direction of the small diameter portion, each large diameter portion having an outer diameter corresponding to the inner diameter of the hole. Furthermore, irregularities are formed on an outer peripheral surface of the small diameter portion in a section between the two large diameter portions.

Abstract: A communication method according to one embodiment comprises the steps of transmitting capability of a radio terminal, which is a pedestrian user equipment (UE), from the radio terminal to a base station, receiving, by the base station, the capability of the radio terminal from the radio terminal, and individually transmitting, from the base station to the radio terminal, information of a radio resource pool for direct terminal-to-terminal communication based on the capability of the radio terminal. The information of the radio resource pool is information of a resource pool based on a geographical zone.

Abstract: A user terminal according to a first feature is used in a mobile communication system. The use terminal includes: a receiver configured to receive a measurement instruction to instruct measurement in an unlicensed band, from a base station; a controller configured to, in response to reception of the measurement instruction, search for a radio signal transmitted in a frequency channel included in the unlicensed band, and measure reception power of the radio signal detected by the search, even when a cell identifier of a measurement target cell is not designated in the measurement instruction; and a transmitter configured to transmit a measurement report including an identifier of a transmission source of the detected radio signal and a measurement result of the reception power, to the base station.

Abstract: A base station comprises a transmitter configured to transmit, to a user terminal, information indicating at least any one of a first DRX cycle, a second DRX cycle, and a third DRX cycle. The DRX cycle indicates a cycle during which a user terminal discontinuously monitors a downlink control channel transmitted from a base station. The second DRX cycle has a cycle longer than the first DRX cycle. The third DRX cycle has a cycle longer than the second DRX cycle.

Abstract: In a communication control method according to one embodiment, a first radio terminal executes, control to establish a predetermined connection through a second radio terminal that is a relay terminal. The predetermined connection is used for transmitting control information related to the first radio terminal between the first radio terminal and a base station. The first radio terminal starts control to establish the predetermined connection, in response to receiving authorization information indicating that establishing the predetermined connection is possible.

Abstract: In a first user equipment, apparatus and method, a first user equipment performs sidelink communication with a second user equipment, receives a first message from the second user equipment, where the first message is periodically transmitted from the second user equipment based on a first timer, starts or restarts a second timer upon receiving the first message, where a value of the second timer is determined based on a value of the first timer, and transmits a second message to a network apparatus upon expiration of the second timer, where the second message indicates that the second user equipment is disconnected from the first user equipment.

Abstract: In a communication method, a user equipment receives system information broadcast from a current serving cell of the user equipment and indicating frequencies different from a frequency of the current serving cell, the user equipment receives a paging signal from the current serving cell that is different from the system information and includes a request message requesting the user equipment to perform frequency redistribution in which the user equipment selects a target frequency, and performs the frequency redistribution in response to receiving the paging signal including the request message. Performing the frequency redistribution comprises the user equipment measuring quality of the frequencies included in the system information received from the current serving cell in response to receiving the paging signal including the request message, and selecting the target frequency based on a result of the measuring. The user equipment reselects a serving cell on the selected target frequency.

Abstract: A communication control method according to one embodiment is used in a mobile communication system. The communication control method comprises a step A of predicting, by a UE, a radio condition within a second period after connection between the UE and a eNB is established, in a first period for which the connection is not established, and a step B of performing, by the UE, a random access procedure for establishing the connection. The step B includes a step of performing notification of information on the predicted radio condition from the UE to the eNB in the random access procedure. The information is used, by the eNB, for controlling communication with the UE.

Abstract: A metal reinforcement fitting for reinforcing a through hole penetrating through a wooden building component from one surface and the other surface thereof includes: a first plate member made of a metal plate, a cylindrical member made of a metal cylinder, and a second plate member made of a metal plate. The first plate member has a through hole adapted to receive a rod-like fastener therethrough, and is adapted to be disposed on the one surface of the wooden building component. The cylindrical member is adapted to receive the rod-like fastener therethrough and to be inserted and fitted in the through hole of the wooden building component so as to extend over an entire length thereof. The second plate member has a through hole adapted to receive the rod-like fastener therethrough, and is adapted to be disposed on the other surface of the wooden building component.

Abstract: A user equipment receives an MBMS service provided using SC-PTM transmission. The user equipment performs a cell reselection operation of selecting a cell to be used as a serving cell of the user equipment while the user equipment is in an RRC idle mode. In the cell reselection operation, the user equipment selects, as the serving cell, a cell having a highest ranking determined based on a radio quality and an offset from among a plurality of cells. In the cell reselection operation, when the user equipment is in an enhanced coverage, the user equipment uses an infinite offset as the offset to be applied to a cell where the MBMS service is provided by the SC-PTM transmission, in response to a predetermined condition for the SC-PTM transmission being satisfied, when the user equipment goes out of the enhanced coverage, stop using the infinite offset.

Abstract: A metal joint for joining, to a frame built by appropriately combining a horizontal structural member and a vertical structural member, a rectangular panel fitted into the frame includes a base member made of a rectangular metal plate, and cylindrical members which are each made of a metal cylinder, and are fixed onto opposite surfaces of the base member. The base member is adapted to be disposed between the frame and the panel. The cylindrical members are adapted to be fitted into circular holes formed in the frame and the panel.

Abstract: A radio terminal according to an embodiment comprises: a controller configured to execute processing of establishing connection with a network for relaying using a Device to Device (D2D) proximity service; a transmitter configured to transmit a discovery message for the relaying, after the connection is established; and a receiver configured to receive a request message from another radio terminal that has received the discovery message, wherein the request message includes an identifier of the another radio terminal. The controller executes control of transmitting the identifier of the another radio terminal, to a network apparatus included in an Evolved Packet Core (EPC), as an identifier of a remote node to which data is relayed by the relaying. The controller executes control of further transmitting the identifier of the another radio terminal to the network apparatus, based on non-reception of a predetermined message from the another radio terminal.

Abstract: A user terminal executes processes of receiving control information from a base station, the control information indicating that transmission of a gap request is allowed; transmitting a reception gap request to the base station, the reception gap request requesting reception gaps which are timings in which the user terminal halts a downlink reception to monitor device-to-device discovery signals directly transmitted from other user terminals; and receiving a gap configuration from the base station, the gap configuration indicating the reception gaps configured by the base station to the user terminal. The reception gap request includes a frequency identifier indicating a frequency for monitoring the device-to-device discovery signals; and correlated gap pattern. The gap pattern includes bit map information indicating subframes corresponding to the reception gaps; period information indicating a repeating period of the bit map information; and offset information indicating a start timing of the period.

Abstract: A base station according to an embodiment comprises: a controller configured to receive an identifier of a wireless LAN access point added in a wireless LAN termination apparatus from the wireless LAN termination apparatus.

Abstract: A radio terminal according to one embodiment transmits data of one bearer to two radio communication apparatuses. The radio terminal comprises a controller configured to transmit a buffer status report to only one of the two radio communication apparatuses, if a data amount accumulated in a predetermined buffer falls below a threshold value and only the one radio communication apparatus is designated as a transmission target of the buffer status report. The controller is configured to change the transmission target of the buffer status report from the one radio communication apparatus to the other radio communication apparatus, if the data amount falls below the threshold value and a failure in a radio link with the one radio communication apparatus is detected.

Abstract: A base station according to a present embodiment is a base station configured to manage a cell, and comprises: a controller configured to transmit, if a relay terminal configured to relay data by direct communication between a remote terminal and a network is not present in a vicinity of a radio terminal located within the cell, control information to the radio terminal. The control information is information for starting transmission of a discovery signal for discovering another radio terminal that can be the relay UE.

Abstract: A radio terminal according to an embodiment comprises: a controller configured to control traffic steering between an Evolved-Universal Terrestrial Radio Access Network (E-UTRAN) and a Wireless Local Area Network (WLAN). The controller is configured to control traffic steering from the E-UTRAN to the WLAN or from the WLAN to the E-UTRAN according to at least one of a first scheme and a second scheme. The radio terminal further comprises a receiver configured to receive, from the E-UTRAN, first assistance information to be used to determine whether the radio terminal executes the traffic steering in the first scheme. The first assistance information is broadcasted by the E-UTRAN. The receiver is configured to receive, from the E-UTRAN, WLAN configuration information including a list of identifiers of the WLAN and a timer value indicating a period over which the WLAN configuration information should be held.

Abstract: A communication method, a user equipment, and a base station operate in a manner in which the user equipment receives from the base station control information indicating a plurality of frequencies for performing sidelink communication and a resource pool associated with each of the plurality of frequencies, and the user equipment selects a first frequency among the plurality of frequencies.