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 an MAC Control Element for carrying an MBMS dynamic scheduling information; and applying an MCCH specific Modulation and Coding Scheme (MCS) for transmitting the MAC Control Element on a corresponding Physical Multicast Channel (PMCH).
Abstract: A method and apparatus are disclosed for improving low-cost MTC (Machine-Type Communication) devices in a wireless communication system. The method includes broadcasting, in a system information, a first information used for cell re-selection. The method further includes providing a second information, for a neighboring cell or a frequency, that is used for cell re-selection.
Abstract: A method for reporting carrier status in a user equipment (UE) of a wireless communication system is disclosed. The wireless communication system supports Carrier Aggregation (CA) such that the UE is able to perform transmission or reception through multiple component carriers. The method includes steps of configuring a plurality of component carriers, receiving a signaling utilized for activating or deactivating the plurality of component carriers, and using a medium access control control element (MAC CE) to indicate the signaling is successfully received after the signaling is successfully received.
Abstract: A method and apparatus are disclosed for processing CSI (Channel State. Information) in a wireless communication system, The method includes configuring a User Equipment (UE), in a subframe, to transmit periodic CSI reporting and HARQ-ACK (Hybrid Automatic Repeat and request-Acknowledgement), wherein there is no PUSCH (Physical Uplink Shared Channel) transmission in the subframe. The method further includes indicating in the PDCCH (Physical Downlink Control Channel) scheduling the PDSCH (Physical Downlink Shared Channel) transmission to which the HARQ-ACK corresponds, wherein whether the periodic CSI reporting and the HARQ-ACK are multiplexed on PUCCH (Physical Uplink Control Channel) or not would depend on the indication in the PDCCH.
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 to perform TDD interband carrier aggregation in a wireless communication system. The method includes aggregating cells with different TDD UL-DL (Uplink-Downlink) configurations, wherein the cells have different DL-to-UL (Downlink-to-Uplink) switch point periodicities. The method further includes determining conflict subframes according to dynamic scheduling.
Abstract: A method and apparatus are disclosed to perform timing advance (TA) group change in a wireless communication system. The method includes configuring a Scell (Secondary Serving Cell) to a User Equipment (UE), wherein the Scell belongs to a first TA group. The method further includes sending a TA group change command from an eNB (evolved Node B) to the UE to change the Scell front the first TA group to a second TA group, wherein the eNB provides information together with the TA group change command so that the UE could derive an initial TA for the second TA group based on the information.
Abstract: A method and apparatus are disclosed to provide assistance information for reconfiguration in a wireless communication system. In one embodiment, the method comprises providing, from a UE (user equipment), information to an eNB (evolved Node B) to indicate whether there is buffered data or no buffered data for a radio bearer, a logical channel, or a service.
Abstract: A method and apparatus are disclosed to prevent RAN (Radio Access Network) overload for legacy networks in a wireless communication system. In one embodiment, the method comprise initiating a RRC (Radio Resource Control) connection establishment procedure to access a cell. The method further comprises performing an access barring check. The method also comprises extending a barring time autonomously.
Abstract: A method and apparatus are disclosed to improve machine type communication in a wireless communication system. In one embodiment, the method comprises receiving, at a UE (User Equipment), a TB (transport block) broadcasted from an eNB (evolved Node B).
Abstract: A method and apparatus are disclosed to improve inter-band carrier aggregation (CA) in a UE (User Equipment) in TDD (Time Division Duplex) mode. In one embodiment, the method includes connecting the UE with a PCell (Primary Serving Cell). The method further includes configuring the UE with at least one SCell (Secondary Serving Cell), among which at least one SCell is deactivated, wherein TDD UL-DL (Uplink-Downlink) configurations of the PCell and the at least one SCell may be different. The method also includes taking a TDD UL-DL configuration of an activated serving cell into consideration for defining consecutive PDCCH (Physical Downlink Control Channel) subframes of a drx-InactivityTimer, and not taking a TDD UL-DL configuration of a deactivated serving cell into consideration.
Type:
Application
Filed:
May 22, 2012
Publication date:
November 8, 2012
Applicant:
INNOVATIVE SONIC CORPORATION
Inventors:
Richard Lee-Chee Kuo, Li-Chih Tseng, Ko-Chiang Lin
Abstract: A method and apparatus are disclosed for performing DRX (Discontinuous) operation. In one embodiment, the method comprises (i) configuring a plurality of cells for carrier aggregation, (ii) configuring the plurality of cells with a plurality of TDD (Time Division Multiplex) UL-DL (Uplink-Downlink) configurations, (iii) configuring the plurality of cells for DRX operation, (iv) configuring a set of DRX timers for the plurality of cells, and (v) running the set of DRX timers for the plurality of cells.
Abstract: A method and apparatus are disclosed to prevent RAN (Radio Access Network) overload. In one embodiment, the method comprises initiating, at a User Equipment (UE), a RRC (Radio Resource Control) connection establishment procedure to establish a RRC connection to a cell. The method also comprises initiating, at the User Equipment (UE), a Random Access procedure due to a transmission of a RRCConnectionRequest message for the RRC connection establishment procedure, wherein an establishment cause in the RRCConnectionRequest message is set to delay tolerant access, and the UE stops the Random Access procedure if the UE considers access to the cell as barred based on barring information for delay tolerant access of the cell.
Abstract: A method and apparatus are disclosed to improve high-speed mobility. In one embodiment, the method comprises connecting a device to a cell. The method also comprises maintaining, at the device, information related to a location of the device. The method further comprises triggering, by an event trigger related to a velocity of the device, a transmission of a report that includes the information related to the location of the device.
Abstract: A method and apparatus are disclosed to avoid higher random access (RA) failure rate. In one embodiment, the method comprises (i) equipping a UE on a serving cell with a first radio based on LIE or LIE-advanced radio technology and a second radio based on another radio technology, (ii) activating a TDM solution in the UE for the serving cell for avoiding in-device coexistence interference between the radio technologies, wherein the TDM solution defines one or more scheduling periods and unscheduled periods, (iii) initiating a RA procedure on the serving cell, (iv) transmitting a RA preamble for the initiated RA procedure from the serving cell, (v) receiving a corresponding RA response on the serving cell, and (vi) transmitting an Msg3, and starting a mac-ComentionResolutionTimer, wherein the UE may suspend the mac-ContentionResolutionTimer during an unscheduled period and resume the mac-ContentionResolutionTimer when entering a next scheduling period.
Abstract: A method for configuring aperiodic sounding reference symbols is disclosed. The method avoids transmission of unused configuration parameters. In particular, parameters for use with DCI format 4 are not configured for user equipment that does not support the format. Accordingly, the method may include: configuring UL transmission mode equal to 1; configuring aperiodic SRS for DCI format 0/1a; and not configuring aperiodic SRS parameter sets for DCI format 4. The method may also include: configuring UL transmission mode equal to 2; configuring aperiodic SRS for DCI format 0/1a; and not configuring aperiodic SRS parameter sets for DCI format 4.
Abstract: A method and apparatus are disclosed to improve high-speed mobility. In one embodiment, the method comprises broadcasting, from a cell, an indication that the cell supports a relay node to access, select or re-select. The method also comprises allowing the relay node to access the cell if there is the indication that the cell supports the relay node, and not allowing the relay node to access the cell if there is no indication that the cell supports the relay node.
Type:
Application
Filed:
March 28, 2012
Publication date:
October 4, 2012
Applicant:
INNOVATIVE SONIC CORPORATION
Inventors:
Meng-Hui Ou, Richard Lee-Chee Kuo, Yu-Hsuan Guo
Abstract: A method and apparatus are disclosed to improve log reporting in a wireless communication system. In one embodiment, the method comprises a UE (User Equipment) being configured to perform measurement to obtain measurement information for logged MDT (Minimization of Drive-Tests) reporting. Furthermore, the method also comprises logging the obtained measurement information. The method also comprises sending a logged MDT report wherein the report omits some of the logged measurement information.
Abstract: A method and apparatus are disclosed for aperiodic SRS improvement. In one embodiment, the method comprises configuring a UE (User Equipment) with aperiodic SRS. The method also comprises transmitting a PUSCH (Physical Uplink Shared Channel) on a last SC-FDMA (Single Carrier-Frequency Division Multiple Access) symbol in a UE-specific aperiodic SRS subframe if a Msg3 in the subframe is transmitted on the PUSCH. Furthermore, the method comprises not transmitting a PUSCH on a last SC-FDMA symbol in a UE-specific aperiodic SRS subframe if a Msg3 in the subframe is not transmitted on the PUSCH.
Abstract: A method and apparatus for providing information to determine a cause of low Quality of Service (QoS) includes Scheduling Request (SR) transmission status reporting or reporting uplink power for SR transmission. The SR transmission status reporting includes a User Equipment (UE) being configured with Physical Uplink Control Channel (PUCCH) resource for SR transmission, and the UE reporting SR transmission status information to a connecting eNB. The reporting of uplink power for SR transmission includes a UE being configured with a PUCCH resource for SR transmission; and the UE reporting uplink power information for SR transmission to a connecting eNB.