Abstract: A method and apparatus are disclosed to provide proximity service discovery in a wireless communication system. The method includes receiving, from a first user equipment, a discovery signal by a second user equipment for discovering or being discovered. The method further includes transmitting, from the second user equipment, a discovery check signal to a network in response to the discovery signal to check a discovery result.
Abstract: A method and apparatus for TDD inter-band carrier aggregation in a wireless communication system includes performing aggregating multiple cells with different TDD UL-DL configurations, transmitting a PUSCH transmission on a first cell, the subframe for HARQ feedback reception for the PUSCH in a first cell colliding with a UL subframe in a second cell, and performing one of setting the corresponding HARQ feedback to ACK, flushing the corresponding HARQ buffer, and changing the corresponding HARQ feedback subframe for the PUSCH to another subframe.
Abstract: A method and apparatus are disclosed for improving SPS operation in a wireless communication system. The method includes configuring an user equipment (UE) with a downlink (DL) assignment or an uplink (UL) grant through a PDCCH (Physical Downlink Control Channel) addressed by a SPS C-RNTI (Semi-Persistent Scheduling Cell Radio Network Temporary Identity). The method also includes receiving, at the UE, a reconfiguration message for a SPS (Semi-Persistent Scheduling) operation in a higher layer, such as a RRC (Radio Resource Control) layer. The method further includes reconfiguring, at the UE, the SPS operation based on the reconfiguration message if the reconfiguration message includes a release of the SPS operation.
Abstract: A method and apparatus are disclosed for power headroom reporting in a wireless communication system. The method includes a UE (User Equipment) being configured with at least a first cell and a second cell. The method also includes the UE reports a PHR (Power Headroom Report) on the first cell in a subframe, wherein the PHR contains the power headroom value of the second cell, and the power headroom value of the second cell is derived using a specific PUSCH resource assignment regardless of whether there is PUSCH (Physical Uplink Shared Channel) transmission in the second cell in the subframe or not.
Abstract: Methods and apparatuses are disclosed to measure channel state information in a wireless communication system. The method includes selecting a subframe to be a reference resource for a channel state information (CSI) report on a Secondary Cell (SCell), in which the subframe is not a downlink (DL) subframe or a special subframe whose downlink portion is longer than a threshold on a Primary Cell (PCell). The method further includes executing a handling.
Abstract: A method of a UE being served by a eNB for supporting device to device (D2D) communication is disclosed. The method includes the UE receiving a message that includes information pertaining to a first resource pool provided by the eNB, wherein resources of the first resource pool are common resources shared by more than one UE using the first resource pool. The method further includes the UE being configured with a second resource pool provided by the eNB, wherein the second resource pool is different from the first resource pool. Furthermore, the method includes the UE selecting resource(s) from the second resource pool and uses the selected resource(s) for D2D transmission.
Abstract: A method and apparatus are disclosed for reducing signaling overhead in a wireless communication network. In one embodiment, the method is implemented in a UE. The method includes receiving a first indication from a network node to tell the UE to remember, after the UE enters RRC_IDLE, a first configuration which is currently used while the UE is in RRC_CONNECTED. The method also includes keeping the first configuration upon leaving RRC_CONNECTED. The method further includes releasing the first configuration when the UE connects to a RAT different from where the first indication was received.
Abstract: Methods and apparatuses for improving device to device (D2D) communication are disclosed herein. One method includes a user equipment (UE) triggering a buffer status report (BSR) upon configuration or setup of radio resource allocation mode 1 for D2D communication while the UE has data available for transmission for D2D communication. The method further includes the UE transmitting a Medium Access Control (MAC) Control Element corresponding to the BSR.
Abstract: A method and apparatus are disclosed for adding serving cells in a wireless communication system. The method includes a UE (User Equipment) is served by a first cell controlled by a first eNB (evolved Node B), wherein multiple radio bearers (RBs) for the UE are allocated to the first eNB and there is a MAC (Medium Access Control) entity in the UE for supporting the first cell. The method also includes the UE receives a RRC (Radio Resource Control) message for adding a second cell controlled by a second eNB to the UE, wherein a RB among the multiple RBs is relocated to the second eNB according to information included in the RRC message. The method further includes the UE re-establishes a RLC (Radio Link Control) entity corresponding to the RB and does not reset the MAC entity in response to the relocation of the RB.
Abstract: A method and apparatus are disclosed to handle UL information. The method includes configuring a UE (User Equipment) with multiple serving cells. The method further includes transmitting, from the UE, in a subframe i a first UL control information on a physical channel of a first UL serving cell. The method also includes transmitting, from the UE, in the subframe i a second UL control information on a physical channel of a second UL serving cell, wherein if the total transmit power of the UE exceeds {circumflex over (P)}CMAX (i), the UE would scale down the transmit power of the physical channel with lower power priority based on types of the first UL control information and the second UL control information.
Abstract: A method and apparatus are disclosed for reducing signaling and delay for uplink scheduling in a wireless communication network. The method includes activating a newly configured SCell (Secondary Cell). The method also includes starting a TA (Timing Alignment/Advance) timer associated with the SCell upon detection of a specific DL (Downlink) signaling. The method further includes detecting and processing a PDCCH (Physical Downlink Control Channel) for a PUSCH (Physical Uplink Shared Channel) transmission. In addition, the method includes sending a MAC (Mac Access Control) PDU (Protocol Data Unit) corresponding to the PDCCH scheduling on a PUSCH of the SCell based on an UL transmission timing equal to a specific value.
Abstract: A method and apparatus are disclosed for performing a RA procedure for at least a first D2D communication session and a second D2D communication session in a wireless communication system. The method includes a UE transmitting a first message to a network, wherein the first message is a preamble. The method also includes the UE receiving a second message from the network after transmission of the first message, wherein the second message contains a first UL resource. The method further includes the UE using the first UL resource to transmit a third message to the network after reception of the second message, wherein the third message includes at least a BSR MAC CE.
Abstract: A method and apparatus are disclosed to handle TTI bundling. In an embodiment implemented in a UE (User Equipment), the method includes configuring the UE with a plurality of serving cells, wherein the TTI bundling and secondary cells with configured UL (uplink) could be simultaneously configured for the UE. In an embodiment from the perspective of a network, the method includes issuing, from a E-UTRAN (Evolved Universal Terrestrial Radio Access Network), a message to configure a UE with a plurality of serving cells, wherein the E-UTRAN could simultaneously configure the TTI bundling and the secondary cells with configured UL for the UE.
Abstract: A method and apparatus are disclosed for performing buffer status reporting in a wireless communication system. The method includes a D2D (Device-to-Device) data arriving in the UE. The method also includes triggering a ProSe (Proximity-based Service) BSR (Buffer Status Report). The method further includes deriving a buffer size value by at least considering an amount of oncoming data. In addition, the method includes sending the ProSe BSR.
Abstract: Methods and apparatuses are disclosed for improving measurement reporting involving WLAN for a UE in a wireless communication system. The method includes triggering a transmission of a measurement report involving WLAN due to all of at least one condition being fulfilled, wherein the at least one condition includes a first condition related to WLAN load.
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 to provide small cell enhancement in a wireless communication system. The method includes connecting to more than one serving cell. The method further includes triggering a Buffer Status Report (BSR) or a Power Headroom Report (PHR). The method further includes transmitting a Medium Access Control (MAC) control element corresponding to the BSR or the PHR in a serving cell, wherein the serving cell depends on a trigger of the BSR or the PHR.
Abstract: A method and apparatus for handling inter-node connectivity in a wireless communication system are disclosed. The method includes transmitting a request from a first network node to a second network node to stop aggregating a SCell (Secondary Cell) for a UE (User Equipment); wherein the first network node controls the SCell and the second network node controls PCell (Primary Cell) of the UE. Also, another method and apparatus for handling inter-node connectivity in a wireless communication system are disclosed.
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.
Type:
Grant
Filed:
April 1, 2015
Date of Patent:
July 25, 2017
Assignee:
INNOVATIVE SONIC CORPORATION
Inventors:
Li-Te Pan, Richard Lee-Chee Kuo, Wei-Yu Chen
Abstract: A method for Multicast Control Channel (MCCH) acquisition in a User Equipment (UE) of a wireless communication system is disclosed. The method includes receiving at least one MBMS service, expressing interest in reception of a new MBMS service, and deciding whether to monitor an MCCH notification according to whether the MBSFN area which broadcasts the new MBMS service is among the MBSFN areas in which the UE is receiving the at least one MBMS services.