| Patent application number | Description | Published |
|---|
| 20090109912 | METHOD AND APPARATUS FOR PRE-ALLOCATION OF UPLINK CHANNEL RESOURCES - A method and apparatus for pre-allocating uplink resources in CELL-FACH are disclosed. A wireless transmit/receive unit (WTRU) in CELL_FACH or CELL_PCH states may be pre-allocated with an uplink resource when a downlink transmission is transmitted. The WTRU may then use the pre-allocated uplink resource for channel quality information or hybrid automatic repeat request (HARQ) feedback, or any other purposes. The pre-allocated uplink resource may be enhanced dedicated channel (E-DCH) resource or high speed dedicated physical control channel (HS-DPCCH) resource. | 04-30-2009 |
| 20090135771 | MANAGEMENT AND SETUP OF ENHANCED MAC-E/ES RESOURCES IN CELL-FACH STATE - A method and apparatus are disclosed to manage the enhanced medium access control-e (MAC-e) and enhanced MAC-es resources and respective variables for the enhanced dedicated channel (E-DCH) in the enhanced Cell_FACH state. Due to the nature of the E-DCH transmission in the uplink (UL) in the Cell_FACH state and the fact that a wireless transmit/receive unit (WTRU) might set up and release the E-DCH resources more frequently, methods to deal with the TSN numbering are described. | 05-28-2009 |
| 20090143074 | METHOD AND APPARATUS FOR CONTROL OF UPLINK FEEDBACK INFORMATION IN CONTENTION BASED ACCESS IN WIRELESS COMMUNICATIONS - A method and apparatus for control of uplink feedback information in contention based wireless communications is disclosed. Uplink feedback information such as a channel quality information and hybrid automatic retransmission request (HARQ) acknowledgement/negative acknowledgement (ACK/NACK) information may be transmitted to the universal terrestrial radio access network (UTRAN) by a wireless transmit/receive unit (WTRU) based on explicit and implicit triggers. Providing more frequent and robust information relating to the channel conditions and HARQ status allows the UTRAN to more efficiently utilize the radio resources for downlink data transmissions. | 06-04-2009 |
| 20090168728 | METHOD AND APPARATUS FOR CELL RESELECTION - A method and wireless transmit receive unit (WTRU) are disclosed that is configured to perform cell reselection to another cell when the WTRU is in a CELL_FACH state using an Enhanced-Dedicated Channel (E-DCH). The cell reselection is based on internal measurements by the WTRU. Alternatively, the cell reselection can be WTRU based on the WTRU measurements reported to the network. | 07-02-2009 |
| 20090168750 | METHOD AND APPARATUS FOR RADIO LINK SYNCHRONIZATION AND POWER CONTROL IN CELL_FACH AND IDLE MODE - A method and apparatus for radio link synchronization and power control in CELL_FACH state and idle mode are disclosed. A wireless transmit/receive unit (WTRU) transmits a random access channel (RACH) preamble and receives an acquisition indicator acknowledging the RACH preamble via an acquisition indicator channel (AICH) and an index to an enhanced dedicated channel (E-DCH) resource. The WTRU determines a start of an E-DCH frame. An F-DPCH timing offset is defined with respect to one of the RACH access slot and an AICH access slot carrying the acquisition indicator. A relative F-DPCH timing offset may be signaled to the WTRU and the WTRU may determine a start of an E-DCH frame based on the relative F-DPCH timing offset and timing of an AICH access slot including the acquisition indicator. The WTRU may transmit a dedicated physical control channel (DPCCH) power control preamble before starting an E-DCH transmission. | 07-02-2009 |
| 20090186624 | METHOD AND APPARATUS FOR PERFORMING AN ENHANCED RANDOM ACCESS CHANNEL PROCEDURE IN A CELL_FACH STATE - A method and apparatus for performing an enhanced random access procedure in a Cell_FACH state are disclosed. A wireless transmit/receive unit (WTRU) transmits a random access channel (RACH) preamble for random access. If a positive acknowledgement (ACK) is received in response to the RACH preamble, the WTRU enters a contention resolution phase and transmits a message via an enhanced dedicated channel (E-DCH). If contention resolution fails, the RACH preamble is retransmitted. A contention back-off timer may be used for retransmission. A physical random access channel (PRACH) code may be reselected. The RACH preamble may be retransmitted using a reserved PRACH resource so that E-DCH resource is allocated to the collided WTRUs. Data transmitted during the contention resolution phase may remain in a hybrid automatic repeat request (HARQ) buffer. The MAC-i/is entity may be reset. All data sent during the contention resolution phase may be stored in a temporary buffer. | 07-23-2009 |
| 20090190527 | METHOD FOR CONTROLLING THE DATA RATE OF A CIRCUIT SWITCHED VOICE APPLICATION IN AN EVOLVED WIRELESS SYSTEM - An apparatus and method of transmitting a circuit switched (CS) voice application via an enhanced dedicated channel (E-DCH), implemented in a wireless transmit/receive unit (WTRU). The method includes receiving a grant; performing an E-TFC selection procedure based on the grant, wherein a number of bits that may be transmitted over an enhanced dedicated channel (E-DCH) is determined, determining an adaptive multi-rate (AMR) codec bit-rate based on the number of bits that may be transmitted over the E-DCH, generating AMR voice packets based on the determined AMR codec bit rate, and submitting the AMR voice packets to lower layers for transmission over the E-DCH. | 07-30-2009 |
| 20090196197 | METHOD AND APPARATUS FOR PERFORMING DISCONTINUOUS RECEPTION AND DOWNLINK INTER-FREQUENCY AND INTER-RADIO ACCESS TECHNOLOGY MEASUREMENTS IN CELL_FACH STATE - A method and apparatus of performing discontinuous reception (DRX) and downlink inter-frequency and inter-radio access technology (RAT) measurements in CELL_FACH state are disclosed. While in DRX mode, a wireless transmit/receive unit (WTRU) may perform inter-frequency and inter-RAT measurements in a measurement occasion that fall into a DRX period. The WTRU may perform the measurements while T321 timer is running. The WTRU may take the measurements on first predetermined number of frame in which a DRX frame would coincide after a last reception frame if DRX operation was ongoing. The WTRU may periodically wake up for downlink reception in CELL_FACH state in accordance with a common DRX pattern that is common to all WTRUs in a cell or may wake up from DRX upon reception of the order and receiving a common traffic. | 08-06-2009 |
| 20090196256 | METHOD AND APPARATUS FOR ENABLING CELL RESELECTION FOR WTRU OPERATING IN DISCONTINUOUS RECEPTION - A method for discontinuous reception (DRX) implemented in a wireless transmit/receive unit (WTRU) during cell reselection including initiating cell reselection; disabling DRX operation, wherein disabling DRX operation enables continuous reception; transmitting a CELL UPDATE message; receiving a CELL UPDATE CONFIRM message; and enabling DRX operation based on the received CELL UPDATE CONFIRM message. | 08-06-2009 |
| 20090196259 | METHOD AND APPARATUS FOR SERVING HIGH SPEED DOWNLINK SHARED CHANNEL CELL CHANGE - A method and apparatus for serving high speed downlink shared channel (HS-DSCH) cell change are disclosed. A wireless transmit/receive unit (WTRU) sends a measurement report to a radio network controller (RNC) when a signal strength of a target cell approaches a signal strength of a source cell. The RNC adds the target cell in an active set and sends pre-loaded HS-DSCH configuration information for the target cell to the WTRU. The WTRU sends another measurement report when a signal strength of the target cell exceeds that of the source cell. The WTRU monitors a high speed shared control channel (HS-SCCH) on the target cell based on the pre-loaded HS-DSCH configuration information and decodes an HS-SCCH transmission. The WTRU determines whether a MAC-hs/ehs reset is required and if so resets a MAC-hs/ehs entity prior to receiving an HS-DSCH transmission from the target cell. | 08-06-2009 |
| 20090245203 | METHOD AND APPARATUS FOR PERFORMING A SERVING HS-DSCH CELL CHANGE - A method and apparatus for performing a serving high speed downlink shared channel (HS-DSCH) cell change from a source cell to a target cell are disclosed. A radio network controller (RNC) may pre-load a wireless transmit/receive unit (WTRU) with HS-DSCH configuration for the target cell. The WTRU receives and stores the pre-loaded HS-DSCH configuration. The WTRU may start monitoring a high speed shared control channel (HS-SCCH) on the target cell using the pre-loaded HS-DSCH configuration for the target cell on a condition that a measurement report is triggered by the event | 10-01-2009 |
| 20090247161 | METHOD OF SUPPORTING CELL RESELECTION IN AN EVOLVED HSPA NETWORK - A method and apparatus of supporting cell reselection in an evolved HSPA network is disclosed. A wireless transmit receive unit that has allocated channel resources, is restricted from cell reselection until a predetermined criteria is met. During this no selection period, the WTRU continues to make and report measurements. | 10-01-2009 |
| 20090258666 | METHOD AND APPARATUS FOR SELECTING ENHANCED DEDICATED CHANNEL TRANSPORT FORMAT COMBINATION IN CELL_FACH STATE AND IDLE MODE - A method and apparatus for selecting an enhanced dedicated channel (E-DCH) transport format combination (E-TFC) in Cell_FACH state and idle mode are disclosed. A wireless transmit/receive unit (WTRU) transmits a random access channel (RACH) preamble and receives an index to an E-DCH resource in response to the RACH preamble. The WTRU may estimate a power headroom based on the maximum WTRU transmit power, power offset value, and the last successfully transmitted RACH preamble transmit power. The WTRU restricts an E-TFC based on the estimated power headroom, and selects an E-TFC based on a set of supported E-TFCs. The WTRU then generates, and transmits, a protocol data unit (PDU) based on the selected E-TFC. | 10-15-2009 |
| 20090268707 | METHOD TO IMPLEMENT TRANSMISSION TIME INTERVAL BUNDLING - Methods for implementing transmission time interval (TTI) bundling, and a wireless transit/receive unit (WTRU) and a base station configured to process the methods are shown. The method includes the WTRU receiving a TTI control signal and/or configuration message from a network and the WTRU transmitting TTI control signals to the network. The control signals and/or configuration message may be sent via Layer 1, Layer 2, or Layer 3 messages. Signaling may be implemented, for example, using or via an enhanced-absolute grant channel (E-AGCH), a high speed-shared control channel (HS-SCCH), Medium Access Control (MAC) headers, radio resource control messages, a logical channel ID, information elements, and the control signals and/or configuration may include, for example, information related to triggering criteria, activation and de-activation, number of retransmissions, handover related information and configuration information. | 10-29-2009 |
| 20090270103 | MULTI-CELL WTRUS CONFIGURED TO PERFORM MOBILITY PROCEDURES AND METHODS - Dual-cell or multi-cell Wireless Transmit Receive Units (WTRUS) configured to implement mobility procedures are described. The WTRU configurations implement methods to optimize and allow mobility for the procedures of cell search and cell reselection, measurement reporting and inter-frequency handovers, compressed mode measurements, and soft handovers. | 10-29-2009 |
| 20090290559 | METHOD AND APPARATUS FOR HARQ AUTONOMOUS RETRANSMISSIONS - A method and an apparatus for performing uplink hybrid automatic repeat request (HARQ) transmission in a burst are disclosed. A wireless transmit/receive unit (WTRU) may transmit a transmission burst over at least two consecutive transmission time intervals (TTIs) via a HARQ process configured for transmission burst. An E-DCH dedicated physical control channel (E-DPCCH) power offset may be set to the transmission burst-specific E-DPCCH gain factor value. The WTRU may calculate a power of the E-DPCCH by dividing a conventional E-DPCCH power offset by a total number of TTIs in the transmission burst. The WTRU may transmit the E-DPCCH only during a first TTI of the transmission burst. The supported E-TFCs may be a second set of supported E-TFCs determined only for use with the transmission burst. The WTRU may determine the set of supported E-TFCs and the E-TFC for transmission based on a number of TTIs in the transmission burst. | 11-26-2009 |
| 20090290598 | METHOD AND APPARATUS FOR SUPPORTING RLC RE-SEGMENTATION - A method and apparatus for radio link control (RLC) re-segmentation are disclosed. An original RLC protocol data unit (PDU) is generated from at least one RLC service data unit (SDU). The RLC PDU size is within a flexible maximum RLC PDU size. The original RLC PDU is stored in a retransmission buffer. If transmission of the original RLC PDU fails and the original RLC PDU size is larger than an updated maximum RLC PDU size, the original RLC PDU is segmented to segmented RLC PDUs. If transmission of one of the segmented RLC PDUs fails, the original RLC PDU may be re-segmented to smaller size RLC PDUs, or the segmented RLC PDU may be sub-segmented. Alternatively, the failed RLC PDU may be processes as an RLC SDU to generate encapsulating RLC PDUs for carrying the RLC PDU. Alternatively, an RLC SDU corresponding to the failed RLC PDU may be re-segmented. | 11-26-2009 |
| 20090296643 | METHOD AND APPARATUS FOR SIMULTANEOUSLY RECEIVING ON TWO CARRIERS AND PERFORMING DISCONTINUOUS TRANSMISSION AND RECEPTION IN DUAL CELL HIGH SPEED DOWNLINK PACKET ACCESS - A method and an apparatus for simultaneously receiving on two carriers and performing discontinuous transmission (DTX) and discontinuous reception (DRX) in dual cell high speed downlink packet access (DC-HSDPA) are disclosed. A wireless transmit/receive unit (WTRU) receives a message for activating DRX for at least one of an anchor carrier and a supplementary carrier and applies the same DRX pattern to the anchor carrier and the supplementary carrier upon reception of the message. The message may be received via a high speed shared control channel (HS-SCCH) order. The WTRU may activate or de-activate the supplementary carrier based on the physical layer signal. Upon activation of the supplementary carrier, the WTRU may apply the same DRX pattern on both the anchor carrier and the supplementary carrier. The WTRU may flush a hybrid automatic repeat request (HARQ) buffer associated with the supplementary carrier upon de-activation of the supplementary carrier. | 12-03-2009 |
| 20090300456 | HARQ PROCESS UTILIZATION IN MULTIPLE CARRIER WIRELESS COMMUNICATIONS - Methods and apparatus utilize hybrid automatic repeat request (HARQ) transmissions and retransmissions that are usable on multiple carriers, i.e. joint HARQ processes. For example, a downlink (DL) shared channel transmission of a joint HARQ process is received on one of the carriers. A first part of an identity of the joint HARQ process is determined by using HARQ process identity data received on a shared control channel. A second part of the joint HARQ process identity is determined using additional information. The joint HARQ process identity is then determined by combining the first part and the second part. A WTRU is provided that is configured to receive the DL shared channel and to make the aforementioned determinations. A variety of other methods and apparatus configurations are disclosed for utilizing joint HARQ processes, in particular in the context of DC-HSDPA. | 12-03-2009 |
| 20090307554 | METHOD AND APPARATUS FOR PERFORMING A BUNDLED TRANSMISSION - A wireless transmit/receive unit (WTRU) may send a bundled transmission of a packet repeatedly over at least two consecutive transmission time intervals (TTIs). The WTRU may not process a hybrid automatic repeat request (HARQ) feedback for the packet after sending the bundled transmission. The bundled transmission may be configured per HARQ process. The WTRU may override the bundled transmission and may transmit a HARQ retransmission of another packet in one of the TTIs scheduled for the bundled transmission if a TTI scheduled for the HARQ retransmission of another packet overlaps the TTIs scheduled for the bundled transmission. Alternatively, the WTRU may transmit a non-bundled transmission of a packet and send a bundled HARQ transmission of the packet on a condition that HARQ feedback indicates a failure of delivery of the packet. The WTRU may not process an HARQ feedback in an E-HICH for the packet after sending the bundled transmission. | 12-10-2009 |
| 20100014434 | METHOD AND APPARATUS FOR SENDING FEEDBACK FOR A DOWNLINK SHARED SERVICE AND ESTIMATING A NUMBER OF WIRELESS TRANSMIT/RECEIVE UNITS - A method and an apparatus for sending a signal on a contentious feedback channel for a downlink shared service and for estimating a number of wireless transmit/receive units (WTRUs) are disclosed. When a transmission criterion associated with a physical random access feedback channel (P-RAFCH) is satisfied, a physical resource is randomly selected among a plurality of physical resources assigned for the P-RAFCH and a pre-configured signal is sent using the selected physical resource. A Node-B receives the pre-configured signal from a plurality of WTRUs and calculates a number of the WTRUs based on a number of used physical resources. The transmission criterion is at least one of successful reception of a data packet on a downlink physical channel, successful reception of a data block on a data service, reception of a signaling command, occurrence of a measurement event, and failure to receive a transmission after a specified number of times. | 01-21-2010 |
| 20100034113 | METHOD AND APPARATUS FOR REPORTING A BUFFER STATUS - A wireless transmit/receive unit (WTRU) reports a buffer status as part of scheduling information for enhanced dedicated channel (E-DCH) transmissions. For reporting the buffer status, the WTRU calculates a total amount of data available across all logical channels for which reporting is requested by a radio resource control (RRC) entity. The total amount of data includes an amount of data that is available for transmission and retransmission at a radio link control (RLC) entity and an amount of data that is available for transmission in a medium access control for enhanced dedicated channel (MAC-i/is) segmentation entity in case that a MAC-i/is entity is configured. The WTRU sends scheduling information including a total E-DCH buffer status (TEBS) field that is set based on the total amount of data. | 02-11-2010 |
| 20100034171 | METHOD AND APPARATUS FOR PERFORMING SERVING HIGH SPEED DOWNLINK SHARED CHANNEL CELL CHANGE - A method and an apparatus for serving high speed downlink shared channel (HS-DSCH) cell change are disclosed. A wireless transmit/receive unit (WTRU) receives pre-configured serving cell information for a target cell. The WTRU reports a measurement report and starts monitoring a high speed shared control channel (HS-SCCH) on the target cell. The WTRU may receive an HS-SCCH order over the target cell and/or a radio resource control (RRC) reconfiguration message over a source cell indicating a serving HS-DSCH cell change to the target cell. The WTRU may act upon all information elements of the RRC reconfiguration message in case that the RRC reconfiguration message is received prior to the HS-SCCH order, and act upon the pre-configured serving cell information in case that the HS-SCCH order is received prior to the RRC reconfiguration message. | 02-11-2010 |
| 20100041389 | METHOD FOR DETECTING RADIO LINK FAILURE FOR TRANSMISSION OVER ENHANCED DEDICATED CHANNEL IN A CELL _FACH STATE - A method and apparatus are used for detecting a radio link (RL) failure and a post verification process. A quality of a downlink fractional dedicated physical channel (F-DPCH) is monitored once a transmission on an enhanced dedicated channel (E-DCH) has begun. It is determined whether the quality of the downlink F-DPCH is below a predefined threshold. If the quality is below the predefined threshold, then an occurrence of an RL failure is declared and a transmission over the E-DCH in a cell forward access channel (CELL_FACH) state is terminated. In a case of the post verification failure, E-DCH resources are released. | 02-18-2010 |
| 20100074203 | METHOD AND APPARATUS FOR CONTROL OF COMMON CONTROL CHANNEL TRANSMISSION OVER COMMON ENHANCED DEDICATED CHANNEL RESOURCES IN CELL_FACH STATE - A method and apparatus provide for the control of wireless communication signals over an enhanced dedicated channel (E-DCH) resource while operating in the CELL_FACH state with an allocated E-DCH radio network temporary identifier (E-RNTI). A determination is made that a periodic cell update timer is expired. In response to the periodic cell update timer expiring, a determination is made whether the WTRU has an allocated E-DCH resource. If the WTRU has an allocated E-DCH resource, the periodic cell update timer is re-started without performing a periodic cell update. | 03-25-2010 |
| 20100111023 | METHOD AND AN APPARATUS FOR PROVIDING CONTROL INFORMATION FOR MULTI-CARRIER UPLINK TRANSMISSION - A method and an apparatus for providing control information for multi-carrier uplink transmission are disclosed. A wireless transmit/receive unit (WTRU) may set a happy bit for enhanced dedicated channel (E-DCH) transmissions on each uplink carrier considering aggregated transmission capability over all uplink carriers. The happy bit is set to “unhappy” if the WTRU is transmitting as much scheduled data as allowed by a current serving grant, the WTRU has enough power available to transmit at a higher rate, and total E-DCH buffer status (TEBS) requires more than a pre-configured period to be transmitted with a current effective data rate aggregated over all uplink carriers. The WTRU may send scheduling information including power headroom measured on the anchor uplink carrier and/or power headroom measured on the supplementary uplink carrier. For power headroom measurements, the WTRU may initiate a short-lived dedicated physical control channel loop on the supplementary carrier. | 05-06-2010 |
| 20100113004 | METHOD AND APPARATUS FOR WIRELESS TRANSMISSIONS USING MULTIPLE UPLINK CARRIERS - A method and an apparatus for wireless transmission using multiple uplink carriers are disclosed. A wireless transmit/receive unit (WTRU) may transmit via a primary uplink carrier data, pilot and control channels for uplink transmissions on both uplink carriers, and transmit a data channel and a pilot channel via a secondary uplink carrier. Alternatively, the WTRU may transmit via a primary uplink carrier data, pilot, and control channels for uplink transmission on the primary uplink carrier, and transmit via a secondary uplink carrier data, pilot, and control channels for uplink transmissions on the secondary uplink carrier. Each uplink carrier may be associated with at least one specific downlink carrier such that the WTRU applies control information received on a downlink carrier to uplink transmissions on an uplink carrier associated with the downlink carrier on which the WTRU receives the control information. | 05-06-2010 |
| 20100118723 | METHOD AND APPARATUS FOR ENABLING AND DISABLING A SUPPLEMENTARY DOWNLINK CARRIER - A method and apparatus are disclosed for multi cell wireless communication, wherein a status of a secondary serving cell is determined. On the condition that the secondary serving cell is disabled, a Hybrid Repeat Request (HARQ) process associated with the secondary serving cell is released. | 05-13-2010 |
| 20100130137 | METHOD AND APPARATUS FOR MULTIPLE CARRIER UTILIZATION IN WIRELESS COMMUNICATIONS - Methods and apparatus for multiple carrier utilization in wireless communications are disclosed. These methods include multiple carrier activation/deactivation, multiple carrier discontinuous transmission (DTX) and discontinuous reception (DRX) activation/deactivation and operations, and multiple carrier acknowledgment/negative acknowledgement feedback. The methods include provisions for joint multiple carrier activation and deactivation and joint DTX and DRX activation and deactivation of multiple carriers. | 05-27-2010 |
| 20100130219 | METHOD AND APPARATUS FOR UTILIZING A PLURALITY OF UPLINK CARRIERS AND A PLURALITY OF DOWNLINK CARRIERS - A method and apparatus for utilizing a plurality of uplink carriers and downlink carriers are disclosed. A wireless transmit/receive unit (WTRU) activates a primary uplink carrier and a primary downlink carrier and activates or deactivates a secondary uplink carrier based on a signal from a network or upon detection of a pre-configured condition. The WTRU may deactivate the secondary uplink carrier based on inactivity of the E-DCH transmission, a buffer status, a channel condition, or power constraints. When the secondary uplink carrier is activated, dedicated physical control channel (DPCCH) transmission may be initiated predetermined time periods prior to initiating E-DCH transmissions. The initial DPCCH transmission power may be set based on a DPCCH transmission power on the primary uplink carrier or to a value signaled by a network. A default grant value may be used for initial E-DCH transmission upon activation of the secondary uplink carrier. | 05-27-2010 |
| 20100157895 | METHOD AND APPARATUS FOR HANDLING UPLINK TRANSMISSIONS USING MULTIPLE UPLINK CARRIERS - A method and an apparatus for uplink transmission using multiple uplink carriers are disclosed. A wireless transmit/receive unit (WTRU) selects a dedicated channel medium access control (MAC-d) flow with highest priority data to be transmitted and performs uplink carrier selection and enhanced dedicated channel (E-DCH) transport format combination (E-TFC) restriction and selection to select a carrier among a plurality of carriers and select an E-TFC based on a maximum supported payload, a remaining scheduled grant payload of the selected carrier and a remaining non-scheduled grant payload. The WTRU then generates a medium access control (MAC) protocol data unit (PDU) for E-DCH transmission via the selected carrier based on the selected E-TFC. | 06-24-2010 |
| 20100172428 | FAST CONTROL CHANNEL FEEDBACK FOR MULTIPLE DOWNLINK CARRIER OPERATIONS - A method and apparatus for fast control channel feedback for multiple downlink carrier operations are disclosed. A wireless transmit/receive unit (WTRU) receives signals over a plurality of downlink carriers, generates feedback for each of the plurality of downlink carriers based on the received signals, and transmits via a plurality of antennas, the feedback for at least one of the plurality of downlink carriers over a first physical channel and feedback for another of the plurality of downlink carriers over a second physical channel. | 07-08-2010 |
| 20100220623 | METHOD AND APPARATUS FOR EXTENDING COVERAGE FOR UL TRANSMISSION OVER E-DCH IN IDLE MODE AND CELL_FACH STATE - A method and apparatus for transmitting an uplink (UL) transmission over an enhanced dedicated channel (E-DCH) includes determining whether to activate transmission time interval (TTI) bundling based upon a condition. An indication of the use of TTI bundling based upon the determination is transmitted. The UL transmission is transmitted. | 09-02-2010 |
| 20100246516 | METHOD AND APPARATUS FOR PERFORMING UPLINK TRANSMIT DIVERSITY - A method and apparatus for performing uplink (UL) transmit diversity implemented in a wireless transmit/receive unit (WTRU) includes receiving a signal including precoding information. The precoding information is detected and applied to an UL transmission. The UL transmission is transmitted with the applied precoding information. | 09-30-2010 |
| 20100273520 | METHOD AND APPARATUS FOR POWER SCALING FOR MULTI-CARRIER WIRELESS TERMINALS - Methods and apparatus for power scaling for multi-carrier wireless terminals are disclosed. Methods and mechanisms are provided for power scaling when a multi-carrier WTRU reaches its maximum output power. | 10-28-2010 |
| 20110032877 | METHOD AND APPARATUS FOR SUPPORTING AMD RE-SEGMENTATION - A method and apparatus for acknowledge mode data (AMD) re-segmentation are disclosed. An AMD protocol data unit (PDU) is generated from at least one RLC SDU. The AMD PDU size is within a flexible maximum AMD PDU size. The original AMD PDU is stored in a retransmission buffer, and transmitted. If transmission of the original AMD PDU fails and the original AMD PDU size is larger than an updated maximum AMD PDU size, the original AMD PDU is segmented to segmented AMD PDUs. If transmission of one of the segmented AMD PDUs fails, the original AMD PDU may be re-segmented to smaller size AMD PDUs. | 02-10-2011 |
| 20110105112 | METHOD AND APPARATUS FOR PERFORMING INTER-FREQUENCY AND/OR INTER-RADIO ACCESS TECHNOLOGY MEASUREMENTS - Techniques for performing inter-frequency and/or inter-radio access technology (RAT) measurements are disclosed. A multi-receiver wireless transmit/receive unit (WTRU) may receive downlink transmissions via a plurality of downlink carriers simultaneously. The WTRU may perform inter-frequency and/or inter-RAT measurements using an inactive receiver without measurement gaps if at least one receiver is inactive. If the WTRU receives a measurement order on a disabled carrier, the WTRU may perform measurements on the disabled carrier without measurement gaps using an inactive receiver while maintaining a status of the disabled carrier as disabled. The WTRU may perform the measurements autonomously if a trigger condition is met and at least one receiver is inactive. If all receivers are active, the WTRU may perform the measurements using measurement gaps, that may be configured on a downlink carrier, or alternatively, on an unpaired downlink carrier, or alternatively, on a subset of associated downlink uplink carrier pairs. | 05-05-2011 |
| 20110149787 | METHOD AND APPARATUS FOR SENDING A CHANNEL QUALITY INDICATION VIA A SHARED CHANNEL - A method and apparatus for generating measurement report and transmitting the measurement report via a random access channel in a CELL_FACH state are disclosed. A wireless transmit/receive unit (WTRU) in CELL_PCH or URA_PCH state may transition to CELL_FACH state. The measurement report may be transmitted in response to receiving a dedicated high speed downlink shared channel (HS-DSCH) using a HS-DSCH radio network temporary identity (H-RNTI). The measurement report may be transmitted periodically and may include a channel quality indicator (CQI). The H-RNTI may be a dedicated H-RNTI. The measurement report may be transmitted when the WTRU has data to transmit, during cell reselection, or during cell update. | 06-23-2011 |
