Abstract: A method and apparatus are disclosed for performing a RA procedure for a D2D communication. The method includes the UE transmitting a third message to a network, wherein the third message includes at least a first identification of the UE. The method also includes the UE determining that a contention resolution of the RA procedure is successful if the UE receives a fourth message addressed to a second identification of the UE from the network, wherein the first identification is different from the second identification.

Abstract: The present invention provides a method for handling a handover procedure for a Radio Resource Control (RRC) layer in a user equipment (UE) of a wireless communication system. The method includes steps of indicating occurrence of a handover procedure to a Packet Data Convergence Protocol (PDCP) layer of the UE when receiving an RRC Connection Reconfiguration message for triggering the handover procedure, applying a new security configuration to the PDCP layer if the RRC Connection Reconfiguration message includes an information element (IE) for providing the security configuration, and requesting a Medium Access Control (MAC) layer of the UE to initiate a random access procedure for the handover procedure.

Abstract: A method and apparatus for reception of a DCI for D2D resource scheduling. In one embodiment, the method includes a UE (User Equipment) receiving from a network a DCI addressed to a D2D RNTI (Radio Network Temporary Identifier) for D2D resource scheduling, wherein the D2D RNTI is allocated to the UE by the network. The method also includes the UE transmitting an acknowledgement to the network in response to reception of the DCI if the DCI is used to initialize a D2D resource.

Abstract: A method for enhancing receiving efficiency of a multimedia broadcast multicast service, know as MBMS, in a wireless communications system includes setting an indicator for indicating whether an MBMS service is transmitted on an MBSFN, an abbreviation of MBMS over a Single Frequency Network, carrier or not, and sending the indicator to a user equipment of the wireless communications system.

Abstract: A method and apparatus for allocating resources for D2D communication are disclosed. The method includes a WCN allocating dedicated resource for a first D2D data session and common resource for a second D2D data session in a user equipment (UE), wherein the first D2D data session and the second D2D data session are active simultaneously in the UE. The method could also include the WCN receiving a corresponding request message from the UE for establishing each D2D data session. The method could further include the WCN transmitting a response message to the UE in response to reception of the corresponding request message, wherein the response message includes resource information that indicates which type of resource is allocated for each D2D data session.

Abstract: A method and apparatus for allocating discovery resource pools are disclosed. The method includes the WCN receiving a Discovery Request message from a UE. The method further includes the WCN transmitting a Discovery Response message to the UE, wherein the Discovery Response message includes information to indicate at least a discovery resource pool for the UE to use.

Abstract: The present invention provides a method of handling data decryption for a Packet Data Convergence Protocol layer of a user equipment upon handover in a wireless communication system for increasing the validness of deciphering packages in the wireless communication system, which includes using a security variables corresponding to a source base station for deciphering the packets received from the source base station when the user equipment performs a handover procedure.

Abstract: A method for handling MBMS dynamic scheduling information in a network terminal of a wireless communication system is disclosed. The method includes steps of generating a MAC Control Element for carrying an MBMS dynamic scheduling information, the MAC Control Element containing at least one fields, each corresponding to one MBMS service transmitted on an MCH, for indicating an ending point of sub-frames used by the corresponding MBMS services in a scheduling period of the MCH; and setting a first field to a specific value to indicate there is no sub-frame scheduled for the corresponding MBMS service in the scheduling period when the corresponding MBMS service has no data for transmission in the scheduling period.

Abstract: In order to prevent a preferred frequency providing Multimedia Broadcast Multicast Service, called MBMS hereinafter, services, from getting congestion, the present invention provides a method of selecting an operating frequency for a user equipment, called UE hereinafter, in a wireless communications system. The method includes switching the operating frequency from a first frequency to a second frequency when the UE activates to receive a MBMS service of a service group; and switching the operating frequency from the second frequency to the first frequency when the UE determines not to receive any MBMS services provided on the second frequency.

Abstract: In order to reduce power and computing resource consumption in a user equipment of a wireless communications system, a method for enhancing a resource utility rate for the user equipment is provided. The method includes stopping receiving data and control signals through a first common channel and a second common channel and clearing configuration corresponding to the first and second common channels when the user equipment receives a connection setup message configuring the user equipment to enter a CELL_DCH state.

Abstract: A method and apparatus are disclosed for supporting D2D discovery in a wireless communication system. The method includes an application in the UE activates a D2D discovery function. The method also includes the UE sends a first signaling to inform an eNB that the D2D discovery function has been activated. The method further includes the application in the UE deactivates the D2D discovery function. In addition, the method includes the UE sends a second signaling to inform the eNB that the D2D discovery function has been deactivated.

Abstract: A method and apparatus are disclosed for supporting D2D discovery in a wireless communication system. The method includes the UE receives an RRC (Radio Resource Control) message for configuring measurement gaps to the UE. The method also includes the UE performs measurement and does not monitor D2D discovery signal(s) during a measurement gap if the measurement gap collides with any D2D discovery subframe.

Abstract: Methods and apparatuses are for small cell enhancement in a wireless communication system. The method includes the user equipment (UE) receiving a first Radio Resource Control (RRC) message from the first cell to configure a second cell to the UE. The method further includes the UE receiving a first Medium Access Control (MAC) control element to activate the second cell. The method include the UE receiving a second MAC control element to deactivate the second cell, wherein a field is included in the second MAC control element to indicate which signal the UE should measure on the second cell after the second cell is deactivated.

Abstract: A method and apparatus are disclosed for applying signaling of WLAN-3GPP interworking. The method includes receiving a first configuration of an interworking parameter by dedicated signalling, wherein the first configuration is not released when the UE enters idle mode. The method also includes receiving a second configuration of the interworking parameter by broadcast signalling when the UE is in idle mode, and overriding the first configuration with the second configuration.

Abstract: A method and apparatus are disclosed for performing a device to device discovery in a wireless communication system. The method includes a first UE connects with a network. The method also includes the first UE receives a request from the network instructing the first UE to perform a D2D discovery to find a second UE. The method further includes the first UE performs the D2D discovery.

Abstract: A method and apparatus are disclosed for device to device discovery in a wireless communication system. The method includes a UE (User Equipment) receiving information included in a system information message broadcasted by a cell. The method also includes the UE finds, based on the information, a neighboring cell which provides resources for D2D discovery.

Abstract: Methods and apparatuses are disclosed for small cell enhancement in a wireless communication system. The method includes a user equipment (UE) served by a first cell, wherein the first cell is controlled by a first evolved Node B (eNB). The method further includes receiving, by a UE, a Radio Resource Control (RRC) message for adding a second cell controlled by a second eNB to the UE. The method also includes transmitting, by the UE, a first power headroom report (PHR) to the first eNB and a second PHR to the second eNB in which both the first PHR and the second PHR contain power headroom values of both the first cell and the second cell.

Abstract: A method and apparatus are disclosed for TTI bundling for small cell enhancements in a wireless communication system. The method includes a UE (User Equipment) that is served by a first cell controlled by a first eNB (evolved Node B). The method also includes the UE receives a first RRC (Radio Resource Control) message for configuring a TTI bundling. The method further includes the UE receives a second RRC message for adding a second cell controlled by a second eNB to the UE, wherein the second cell is configured with a PUSCH (Physical Uplink Shared Channel). In addition, the method includes the UE applies the TTI bundling for uplink transmissions on the first cell and does not apply the TTI bundling for uplink transmissions on the second cell.

Abstract: A method and apparatus are disclosed for monitoring a radio link on a small cell in a wireless communication system. The method includes the UE receives a RRC message for configuring a second cell to the UE. The method also includes the UE transmits a complete message in response to the RRC message for configuring the second cell. The method further includes the UE monitors a radio link with the second cell and reports a radio link failure to the first eNB when the radio link failure is detected on the second cell, if the second cell is controlled by a second eNB. In one embodiment, the method includes (i) the UE stops uplink transmission(s) to the second cell after detection of the radio link failure, and/or (ii) the UE deactivates the second cell after detection of the radio link failure.

Abstract: A method and apparatus are disclosed for removing a serving cell in a wireless communication system. The method includes a UE is served by a first cell controlled by a first eNB. The method also includes the UE is configured with a second cell controlled by a second eNB. The method further includes the UE is configured with a radio bearer, wherein there is a PDCP entity corresponding to the RB and there are two RLC entities corresponding to the RB, one RLC entity for data transfer via the first cell and the other RLC entity for data transfer via the second cell. In addition, the method includes the UE delivers out-of-sequence RLC SDUs reassembled by the RLC entity corresponding to the first cell to the PDCP entity in response to reception of an instruction to remove the second cell. In one embodiment, the method also includes the UE transmits a PDCP status report to the first eNB to indicate which PDCP packets of the RB need to be retransmitted if the PDCP status report is configured as required to the RB.