Patent application number | Description | Published |
20130028123 | METHOD AND APPARATUS FOR UTILIZING MULTIPLE CARRIERS IN HIGH SPEED PACKET ACCESS COMMUNICATIONS TECHNICAL FIELD - A method and an apparatus for utilizing multiple carriers are disclosed. A wireless transmit/receive unit (WTRU) capable of receiving on a single downlink carrier at a time may tune the receiver to one downlink carrier and switch the downlink carrier in accordance with a configured pattern. The WTRU may switch the carrier from an anchor carrier to a non-anchor carrier at a high speed shared control channel (HS-SCCH) sub-frame boundary, and switches back at an end of a subsequent high speed physical downlink shared channel (HS-PDSCH) subframe. The WTRU may switch the carrier at an HS-PDSCH sub-frame boundary. A WTRU capable of receiving on multiple downlink carriers simultaneously may tune the receiver to an anchor carrier and a supplementary carrier, and switch the supplementary carrier to another carrier based on a carrier switching order. The carrier switching order may be received via an HS-SCCH or via layer 2 signaling. | 01-31-2013 |
20130121288 | METHOD AND APPARATUS FOR EFFICIENTLY UTILIZING HARQ PROCESSES FOR SEMI-PERSISTENT AND DYNAMIC DATA TRANSMISSIONS - A method and apparatus are disclosed for efficient hybrid automatic repeat request (HARQ) process utilization for semi-persistent and dynamic data transmissions, wherein a reserved HARQ process identification (ID) can be reused. A subset of a plurality of HARQ process IDs is reserved to use for a semi-persistent allocation, and data is transmitted based on the semi-persistent allocation. A dynamic allocation is received via a physical downlink control channel (PDCCH). At least one of the reserved HARQ process IDs is selectively used for transmitting data based on the dynamic allocation. | 05-16-2013 |
20130150062 | SENDING UPLINK DATA WITHOUT SYNCHRONIZATION - A wireless transmit/receive unit (WTRU) sending a first data signal via an enhanced dedicated channel (E-DCH) is provided. The WTRU may reconfigure physical channel parameters based on a reconfiguration message. The WTRU may subsequently send a second data signal without performing a synchronization procedure. | 06-13-2013 |
20130194950 | SYSTEMS AND/OR METHODS FOR MANAGING OR IMPROVING INTERFERENCE BETWEEN CELLS - Systems and methods for managing and/or improving interference in cells may be provided. For example, in embodiments, a partial-band Almost Blank Subframe (PB-ABS) subframe and/or a spatial Almost Blank Subframe (SABS) may be provided and/or used for coordinating communication with in networks with smaller and larger cells (e.g. pico or macro cells). For example, a PB-ABS may provide a dimension (e.g. frequency) that may be used to define a region and/or particular resources (e.g. resource blocks) reserved for pico cell operations or transmissions and a region or other resources (e.g. not those reserved for pico cell operations) available for macro cell operations or transmissions. Additionally, based on beam parameters (e.g. associated with cell partitioning), SABS may offer an additional dimension (e.g. spatial) that may be used to prevent transmission in a particular spatial direction. | 08-01-2013 |
Patent application number | Description | Published |
20130208587 | DYNAMIC PARAMETER ADJUSTMENT FOR LTE COEXISTENCE - Coexistence gaps may permit one radio access technology (RAT) to coexists with another RAT by providing period in which one RAT may be silent and another may transmit. Methods may account for the RAT traffic and for the presence of other secondary users in a channel. Methods may be provided to dynamically change the parameters of a coexistence gap pattern, such as the duty cycle, to adapt to both the RAT traffic and the presence of other secondary users. Methods may include PHY methods, such as synchronization signal (PSS/SSS) based, MIB based, and PDCCH based, MAC CE based methods, and RRC Methods. Measurements may be provided to detect the presence of secondary users, and may include reporting of interference measured during ON and OFF durations, and detection of secondary users based on interference and RSRP/RSRQ measurements. | 08-15-2013 |
20130225123 | METHOD AND APPARATUS FOR SEAMLESS DELIVERY OF SERVICES THROUGH A VIRTUALIZED NETWORK - Methods and apparatus for using a virtual currency module (VCM) to access service networks are described. The VCM may access the service network without the use of a UICC linked to an MNO. Virtual currency may be used to validate subscriber credentials without needing to be linked to a particular MNO. Dynamic subscription assignment may be performed upon registration and validation of credentials with a financial institution. Financial institutions may be used to support and validate virtual currency. Menus may be provided to allow a user to select specific services while accessing the service networks. | 08-29-2013 |
20130298209 | ONE ROUND TRIP AUTHENTICATION USING SNGLE SIGN-ON SYSTEMS - Systems, methods, and apparatus embodiments are described herein for enabling one-round trip (ORT) seamless user/device authentication for secure network access. For example, pre-established security associations and/or credentials may be leveraged between a user/device and a network entity (e.g., application server) on a network to perform an optimized fast authentication and/or to complete security layer authentication and secure tunnel setup in an on-demand and seamless fashion on the same or another network. | 11-07-2013 |
20140016572 | 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. | 01-16-2014 |
20140031031 | ADAPTIVE CONTROL CHANNEL - A wireless network may implement a reduced bandwidth for control information transmitted and/or received on the wireless network. The reduced bandwidth may be used to avoid interference that may be detected from an in-band or adjacent channel. The reduced bandwidth may be used for transmission and/or reception of control information on a cellular or Wi-Fi channel. An eNB or an access point (AP) may signal to a wireless transmit/receive unit (WTRU) information associated with the reduced control channel, such as the power and/or the location of the channel in a frequency band. The control channel may be shifted to avoid a change in interference. | 01-30-2014 |
20140078892 | 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. | 03-20-2014 |