Abstract:
A method and apparatus for transmitting information for device-to-device (D2D) operation in a wireless communication system is provided. A user equipment (UE) establishes a radio resource control (RRC) connection with a network. If the UE has interest to perform D2D operation, the UE transmits D2D information to the network. The D2D information may indicate various pieces of information.
Abstract:
The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for transmitting, to a second UE, a first MAC PDU (Medium Access Control Protocol Data Unit) including a first Identity (ID) of the first UE; receiving, from the second UE, a second MAC PDU including a second ID; checking whether the second ID is same as the first ID or not; generating a third ID of the first UE if the second ID is same as the first ID and transmitting, to the second UE, a third MAC PDU including the third ID of the first UE.
Abstract:
In a method for providing an GCSE (Group Communication Service Enabler) service in a wireless communication system, the present invention provides a method for switching from MBMS to unicast service, comprising providing a GCSE (Group Communication Service Enabler) service to a UE through MBMS (Multimedia Broadcast Multicast Services); detecting moving of the UE; receiving MBMS status information indicating whether a neighbor cell belongs to an MBSFN(MBMS Single Frequency Network) area from a MCE (Multi-cell Coordination Entity); based on the MBMS status information, checking whether a target cell of the UE is capable of providing a GCSE service through the MBMS; and transmitting the checking result to the MCE, where in case the target cell is unable to provide a GCSE service through the MBMS, the GCSE service is provided to the UE through a unicast bearer.
Abstract translation:在无线通信系统中提供GCSE(Group Communication Service Enabler)服务的方法中,本发明提供一种从MBMS切换到单播服务的方法,包括:通过MBMS向UE提供GCSE(Group Communication Service Enabler) (多媒体广播多播服务); 检测UE的移动; 从MCE(多小区协调实体)接收指示相邻小区是否属于MBSFN(MBMS单频网络)区域的MBMS状态信息; 基于MBMS状态信息,检查UE的目标小区是否能够通过MBMS提供GCSE服务; 并将检查结果发送到MCE,其中在目标小区不能通过MBMS提供GCSE服务的情况下,GCSE服务通过单播承载提供给UE。
Abstract:
There is provided a method for determining priorities of services. The method may be performed by a user equipment (UE) and comprise: determining, by the UE, whether to prioritize a group communication (GC) service over a non-GC service, wherein the GC service is received through a multimedia broadcast multicast service (MBMS) bearer or through a unicast bearer; and transmitting, from the UE and to a network, an uplink message including an indicator for indicating that the GC service is prioritized over the non-GS service.
Abstract:
Disclosed are a method of receiving a MBMS service in a wireless communication system and an apparatus thereof. The method of receiving a Multimedia Broadcast/Multicast Service (MBMS) service in a wireless communication for supporting an MBMS, includes: receiving, by a User Equipment (UE), state information of an interested MBMS service provided by a preconfigured MBMS Point to Multipoint Radio Bearer (MRB) from a network; and determining, by the UE, whether to make a cell reselection priority of a MBMS frequency providing the interested MBMS service to be a highest priority according to the state information of the MBMS service.
Abstract:
There is provided a method for random access procedure. The method may comprise: determining, by a user equipment (UE), a first subframe on which a first random access preamble is to be transmitted to a first node; determining, by the UE, a second subframe, on which a second random access preamble is to be transmitted to a second node, except for the first subframe; and transmitting, by the UE, the first random access preamble on the first subframe and the second random access preamble on the second subframe.
Abstract:
A method and apparatus for transmitting an indication for a device-to-device (D2D) operation in a wireless communication system is provided. A user equipment (UE) transmits an indication indicating that the UE is interested to perform a D2D operation. The D2D operation may include reception/transmission of a D2D discovery signal/D2D communication data.
Abstract:
A method and apparatus for transmitting a connection request message in a wireless communication system is provided. A user equipment (UE) receives a configuration of a specific value of a configurable cause from a network, and transmit a connection request message including the configurable cause set to the specific value to the network.
Abstract:
A method and apparatus for performing device-to-device (D2D) discovery in a wireless communication system is provided. A first user equipment (UE), which supports proximity services (ProSe), transmits a request of D2D discovery to a network, and receives information on a second UE, which supports the ProSe and is located in proximity of the first UE, and information on D2D discovery signaling. The first UE performs D2D discovery based on the received information on the second UE and information on D2D discovery signaling.
Abstract:
A method and apparatus for starting a device-to-device (D2D) operation in a wireless communication system is provided. A user equipment (UE) supporting proximity services (ProSe) starts a D2D operation if at least one of conditions is satisfied. For example, when the UE detects radio link failure or handover failure, when a radio resource control (RRC) connection re-establishment procedure fails, when any cell is not detected, when neither an acceptable cell or suitable cell is found, when RRC connection release is received, or when the UE enters an idle mode, the UE may start the D2D operation.