A radio terminal ( 1 ) receives a request and a radio configuration from a network ( 100 ) when the radio terminal ( 1 ) can connect to the network ( 100 ). The request requests transmission of the radio configuration. The radio configuration includes a radio parameter for sidelink communication ( 102 ) with a second radio terminal ( 2 ) which is in a state of being unable to connect to the network ( 100 ). The sidelink communication includes at least, one of direct discovery and direct communication. The radio terminal ( 1 ) is further configured to transmit the radio configuration in response to this request, and to perform the sidelink communication in accordance with the radio configuration with the second radio terminal ( 2 ) that has received the radio configuration. It is thus, for example, possible to contribute to improvement of the sidelink communication in the partial coverage.

Apparatus and method for proximity-based service communication

A method and apparatus for monitoring a paging in a wireless communication system is provided. A user equipment (UE) monitors multiple paging instances at one paging occasion. Specifically, the UE monitors a first paging instance with a first repetition level in a paging occasion, and monitors a second paging instance with a second repetition level, which is higher than the first repetition level, in the paging occasion.

Method and apparatus for transmitting paging for machine type communication user equipment in wireless communication system

One embodiment of the present invention relates to a method whereby a terminal transmits data to another terminal in a wireless communication system, the data transmission method comprising the steps of: selecting resources for transmitting multiple pieces of data; and transmitting the multiple pieces of data by using the selected resources, wherein the terminal is configured to execute the transmission through sensing, and if the terminal fails to transmit the data a preset number of times or more in a row, the terminal reselects resources.

Method whereby terminal transmits data to another terminal in wireless communication system

A communication device supports a D2D (Device-to-Device) communication and includes a storage, a scheduler and a transmitter. The storage stores a first resource pool information that indicates first resource pool including control resources allocated to control information for transmitting data and a second resource pool information that indicates second resource pool including data resources allocated to data. The scheduler selects a first resource for transmitting control information from the first resource pool and selects a second resource for transmitting data from the second resource pool. The transmitter transmits the control information by using the first resource and transmit the data by using the second resource. The scheduler selects the second resource from the second resource pool according to a received signal intensity in at least one of resources included in the first resource pool and the second resource pool.

Communication device and wireless communication method

Disclosed are a method and apparatus for sending and broadcasting resource information, the method comprising: determining a resource used by a second-type node and a resource used by a first-type node, and determining the first-type node receiving a resource coordination message, wherein the first-type node is a node located within a base station signal coverage range, and the second-type node is a node located outside of the base station signal coverage range; and sending the resource coordination message to the determined first-type node, and instructing the first-type node to broadcast the contents of the resource coordination message, wherein the resource coordination message carries resource information about the first-type node and the second-type node. By means of the present application, resource continuity in the process of a node moving on a network coverage edge is guaranteed, resource collision is reduced, and the utilization rate of system resources is improved.

Method and apparatus for sending and broadcasting resource information

A method and apparatus for supporting a device-to-device (D2D) communication between user equipments (UEs) are provided. The method includes: receiving, at a UE, configuration information associated with a D2D data transmission resource, the configuration information including information of a D2D data allocation period and being transmitted from an evolved NodeB (eNB); determining, at the UE, a D2D data transmission resource offset and a period associated with a D2D data transmission resource bitmap in each D2D data allocation period, the D2D data transmission resource bitmap including at least one bit corresponding to bit value “1”; and determining a pool of subframes corresponding to the bit value “1” of the D2D data transmission resource bitmap, the period associated with the D2D data transmission resource bitmap including the pool of subframes, the pool of subframes corresponding to D2D data transmission resources through which a D2D data transmission is capable.

Apparatus and method for determining D2D data resource for D2D communication

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Apparatus and method for determining D2D data resource for D2D communication