Patent application number | Description | Published |
20140294236 | SYSTEMS AND METHODS FOR NOTE RECOGNITION - At least some aspects of the present disclosure feature systems and methods for note recognition. The note recognition system includes a sensor, a note recognition module, and a note extraction module. The sensor is configured to capture a visual representation of a scene having one or more notes. The note recognition module is coupled to the sensor. The note recognition module is configured to receive the captured visual representation and determine a general boundary of a note from the captured visual representation. The note extraction module is configured to extract content of the note from the captured visual representation based on the determined general boundary of the note. | 10-02-2014 |
20140297646 | SYSTEMS AND METHODS FOR MANAGING NOTES - At least some aspects of the present disclosure feature systems and methods for managing notes. The note management system includes a note source, a note recognition module, a note extraction module, and a note labeling module. The note source is a visual representation of a scene having a note. The note recognition module is configured to receive the visual representation and determine a general boundary of the note from the visual representation. The note extraction module is configured to extract content of the note from the visual representation based on the determined general boundary. The note labeling module is configured to label the note with a category. | 10-02-2014 |
20150016716 | SYSTEMS AND METHODS FOR NOTE CONTENT EXTRACTION AND MANAGEMENT BY SEGMENTING NOTES - Techniques for creating and manipulating software notes representative of physical notes are described. A note management system comprises a sensor configured to capture an image data of a physical note, wherein the note is separated into one or more segments using marks, wherein each of the segments is marked by at least one of the marks. The note management system further comprises a note recognition module coupled to the sensor, the note recognition module configured to receive the captured image data and identify the marks on the note, and a note extraction module configured to determine general boundaries of the one or more segments within the captured image data based on the identified marks and extract content using the general boundaries, the content comprises content pieces, each of the content pieces corresponding to one of the one or more segments of the note. | 01-15-2015 |
20150016718 | SYSTEMS AND METHODS FOR NOTE CONTENT EXTRACTION AND MANAGEMENT USING SEGMENTED NOTES - Techniques for creating and manipulating software notes representative of physical notes are described. A note management system comprises a note recognition module configured to receive image data capturing a note having a plurality of color segments, wherein the note recognition module is further configured to generate a plurality of indicators, each indicator indicative of a color class of a pixel or group of pixels within the image data and based on color values of the pixel or group of pixels; and a note extraction module configured to determine general boundaries of the color segments of the note based on the plurality of indicators and extract content using the general boundaries, the content comprising a plurality of content pieces, each of the content pieces corresponding to one of the color segments of the note. | 01-15-2015 |
20150055859 | NOTE RECOGNITION AND MANAGEMENT USING COLOR CLASSIFICATION - This disclosure describes techniques for creating and manipulating software notes representative of physical notes. For example, techniques are described for recognizing physical notes present within a physical environment, capturing information therefrom and creating corresponding digital representations of the physical notes, referred to herein as digital notes or software-based notes. At least some aspects of the present disclosure feature system and methods for note recognition using color classification. The system receives a visual representation of a scene having one or more notes, where each note has a color. The system generates indicators indicative of color classes of pixels in the visual representation. The system further determines a general boundary of one of the notes based on the indicators. | 02-26-2015 |
20150104107 | NOTE RECOGNITION AND ASSOCIATION BASED ON GROUPING INDICATORS - Techniques are described for creating and manipulating software notes representative of physical notes. A computing device is described that includes a processor and an image collection module executable on the processor and configured to receive an input image of an environment having a plurality of physical notes. An image processing engine executable on the processor is configured to identify the plurality of physical notes in the input image and generate, for each of the physical notes, a corresponding digital note. The image processing engine is further configured to identify an indication of one or more groups of the plurality of identified notes in the input image and group the plurality of digital notes according to the indication. | 04-16-2015 |
20150106699 | NOTE RECOGNITION FOR OVERLAPPING PHYSICAL NOTES - Techniques for creating and manipulating software notes representative of physical notes are described. A computing device includes a processor, an image collection module executable by the processor and configured to receive an input image of an environment having a plurality of overlapping physical notes, and an image processing engine executable by the processor and configured to process the input image with the computing device to identify the plurality of overlapping physical notes in the input image. The image processing engine determines a boundary of each note in the plurality of overlapping physical notes in the input image, and generates a plurality of digital notes corresponding to the determined boundary of each of the overlapping physical notes identified in the input image. | 04-16-2015 |
20150106754 | ADDING, DELETING DIGITAL NOTES FROM A GROUP OF DIGITAL NOTES - In general, the disclosure describes techniques for creating and manipulating software notes representative of physical notes. A computing device includes a processor, an image collection module configured to receive an input image of an environment having a plurality of physical notes, an image processing engine configured to identify the plurality of physical notes in the input image and generate a plurality of digital notes corresponding to the plurality of notes identified in the input image, wherein the plurality of digital notes include information represented by the plurality of notes in the input image, and a graphical user interface configured to display the input image overlaid with the plurality of digital notes in place of the identified plurality of notes on a first portion of the graphical user interface and to display a set of one or more of the digital notes on a second portion of the graphical user interface. | 04-16-2015 |
20150106755 | EDITING DIGITAL NOTES REPRESENTING PHYSICAL NOTES - In one example, a method includes receiving a digital note of a plurality of digital notes generated based on image data comprising a visual representation of a scene that includes a plurality of physical notes such that each of the plurality of digital notes respectively corresponds to a particular physical note of the plurality of physical notes, wherein each of the physical notes includes respective recognizable content. In this example, the method also includes receiving user input indicating a modification to one or more visual characteristics of the digital note. In this example, the method also includes editing, in response to the user input, the one or more visual characteristics of the digital note. In this example, the method also includes outputting, for display, a modified version of the digital note that includes the one or more visual characteristics. | 04-16-2015 |
20150106760 | ORGANIZING DIGITAL NOTES ON A USER INTERFACE - At least some aspects of the present disclosure feature a computing device configured to display visual representations of digital notes and one or more group images representing one or more groups on a user interface, where each group may include one or more digital notes. The computing device is further configured to receive one or more user inputs via the user interface and change the compositions of the groups based on the received user inputs. | 04-16-2015 |
20150135046 | SYSTEMS AND METHODS FOR MANAGING NOTES - A mobile device comprises a sensor to produce image data containing a visual representation of a plurality of physical notes, each of the physical notes comprising separate physical objects, a processor, and at least one module. The module can process the image data to determine boundaries for each of the plurality of physical notes and to determine, based on the boundaries, one or more characteristics for each of the physical notes. The module can also create a digital note representative of each of the plurality of physical notes, apply a set of rules to identify any of the rules that specify criteria satisfied by one or more characteristics of the physical notes, and for each of the identified rules, perform one or more actions specified by the rule to each of the digital notes for which the characteristics of the physical notes satisfies the criteria specified by the rule. | 05-14-2015 |
20150186719 | SYSTEMS AND METHODS FOR NOTE CONTENT EXTRACTION AND MANAGEMENT USING SEGMENTED NOTES - Techniques for creating and manipulating software notes representative of physical notes are described. A note management system comprises a note recognition module configured to receive image data capturing a note having a plurality of color segments, wherein the note recognition module is further configured to generate a plurality of indicators, each indicator indicative of a color class of a pixel or group of pixels within the image data and based on color values of the pixel or group of pixels; and a note extraction module configured to determine general boundaries of the color segments of the note based on the plurality of indicators and extract content using the general boundaries, the content comprising a plurality of content pieces, each of the content pieces corresponding to one of the color segments of the note. | 07-02-2015 |
20150213310 | NOTE RECOGNITION AND ASSOCIATION BASED ON GROUPING INDICATORS - Techniques are described for creating and manipulating software notes representative of physical notes. A computing device is described that includes a processor and an image collection module executable on the processor and configured to receive an input image of an environment having a plurality of physical notes. An image processing engine executable on the processor is configured to identify the plurality of physical notes in the input image and generate, for each of the physical notes, a corresponding digital note. The image processing engine is further configured to identify an indication of one or more groups of the plurality of identified notes in the input image and group the plurality of digital notes according to the indication. | 07-30-2015 |
20150220257 | NOTE CAPTURE AND RECOGNITION WITH MANUAL ASSIST - At least some aspects of the present disclosure feature a computing device configured to receive an input image of an environment having a plurality of physical notes. The computing device automatically processes the input image to identify at least some of the plurality of the physical notes in the input image and displays the input image and indications indicative of the identified physical notes on a user interface. The computing device receives a user input indicating a position within the input image via a user interface and, responsive to the user input, recognizes proximate to the position a missed one of the physical notes that was not identified by the computing device when initially processing the input image. | 08-06-2015 |
20150220800 | NOTE CAPTURE, RECOGNITION, AND MANAGEMENT WITH HINTS ON A USER INTERFACE - At least some aspects of the present disclosure feature a computing device with an image capture device to capture a visual representation of one or more notes. The computing device is configured to generate hint related to image capture and present the hint via a user interface. | 08-06-2015 |
20150262023 | SYSTEMS AND METHODS FOR NOTE RECOGNITION - At least some aspects of the present disclosure feature systems and methods for note recognition. The note recognition system includes a sensor, a note recognition module, and a note extraction module. The sensor is configured to capture a visual representation of a scene having one or more notes. The note recognition module is coupled to the sensor. The note recognition module is configured to receive the captured visual representation and determine a general boundary of a note from the captured visual representation. The note extraction module is configured to extract content of the note from the captured visual representation based on the determined general boundary of the note. | 09-17-2015 |
20150269751 | NOTE RECOGNITION AND MANAGEMENT USING MULTI-COLOR CHANNEL NON-MARKER DETECTION - Techniques are described for creating and manipulating software notes representative of physical notes. A computing device comprises a processor and a note identification module executable on the processor and configured to separate an input image into a plurality of channelized input images. Each of the channelized input images are associated with a different color. The note identification module is configured to apply edge detection and feature extraction to identify polygons within each of the channelized input images and select, from the polygons from the channelized input images, a representative polygon for each of the physical notes in the input image. | 09-24-2015 |
20160004811 | DETECTING TOOTH WEAR USING INTRA-ORAL 3D SCANS - A method for detecting tooth wear using digital 3D models of teeth taken at different times. The digital 3D models of teeth are segmented to identify individual teeth within the digital 3D model. The segmentation includes performing a first segmentation method that over segments at least some of the teeth within the model and a second segmentation method that classifies points within the model as being either on an interior of a tooth or on a boundary between teeth. The results of the first and second segmentation methods are combined to generate segmented digital 3D models. The segmented digital 3D models of teeth are compared to detect tooth wear by determining differences between the segmented models, where the differences relate to the same tooth to detect wear on the tooth over time. | 01-07-2016 |
20160070821 | METHOD OF ALIGNING INTRA-ORAL DIGITAL 3D MODELS - Methods for aligning a digital 3D model of teeth represented by a 3D mesh to a desired orientation within a 3D coordinate system. The method includes receiving the 3D mesh in random alignment and changing an orientation of the 3D mesh to align the digital 3D model of teeth with a desired axis in the 3D coordinate system. The methods can also detect a gum line in the digital 3D model to remove the gingiva from the model. | 03-10-2016 |
20160117570 | NOTE RECOGNITION AND MANAGEMENT USING COLOR CLASSIFICATION - This disclosure describes techniques for creating and manipulating software notes representative of physical notes. For example, techniques are described for recognizing physical notes present within a physical environment, capturing information therefrom and creating corresponding digital representations of the physical notes, referred to herein as digital notes or software-based notes. At least some aspects of the present disclosure feature system and methods for note recognition using color classification. The system receives a visual representation of a scene having one or more notes, where each note has a color. The system generates indicators indicative of color classes of pixels in the visual representation. The system further determines a general boundary of one of the notes based on the indicators. | 04-28-2016 |
Patent application number | Description | Published |
20120314655 | DATA TRANSMISSION AND RECEPTION WITH HARQ AND NETWORK CODING - Techniques for transmitting and receiving data with hybrid automatic retransmission (HARQ) and network coding via block operation are disclosed. In one design, a transmitter transmits a first block of packets to multiple receivers and receives ACK/NAK feedback for the first block of packets from the receivers. The transmitter identifies candidate packets for network coding based on the ACK/NAK feedback. A pool of candidate packets changes over time as more ACK/NAK feedback for transmitted packets is received from the receivers. The transmitter generates at least one network-coded packet based on the candidate packets. Each network-coded packet may be generated by channel coding each of at least two packets and combining the at least two packets after channel coding. The transmitter transmits another block of packets to the receivers. This block includes the at least one network-coded packet and may also include pending packets and/or new packets. | 12-13-2012 |
20130058276 | METHOD AND APPARATUS FOR SIGNALING SIDE INFORMATION FOR NETWORK CODING IN A WIRELESS COMMUNICATION NETWORK - Techniques for efficiently sending side information to support network coding in a wireless network are disclosed. A node may send a subset of packet identifiers (IDs) for received packets in order to reduce signaling overhead in support of network coding operations. In one design, a node obtains a plurality of received packets, with each received packet being generated based on at least one base packet in a set of base packets. The node determines a reduced set of base packet IDs for the received packets. The reduced set may be a subset of an overall set including base packet IDs of all base packets for each of the received packets. The node sends information conveying the reduced set of base packet IDs, receives a network-coded packet generated based on the sent information, and recovers a base packet intended for the node based on the network-coded packet. | 03-07-2013 |
20130148563 | APPARATUS AND METHODS FOR MANAGEMENT, CONFIGURATION AND CONTROL SIGNALING OF NETWORK CODED HARQ IN MOBILE COMMUNICATION SYSTEMS - Techniques for the management, configuration, and control of network coded communications in a wireless network are disclosed herein. In one approach, there is provided an example method operable by an evolved Node B (eNB) or the like. The method may involve grouping a plurality of user equipments (UEs) into a network coding group. The method may involve associating the plurality of UEs in the network coding group with a network coding group identifier. The method may involve sending a data transmission for select UEs in the network coding group using the network coding group identifier. The data transmission may include additional downlink control information related to one or more of the UEs in the network coding group. | 06-13-2013 |
20130194948 | METHODS FOR INDICATING BACKHAUL RELAY GEOMETRY - A backhaul quality is measured. One or more subsets of cell identifiers having a mapped backhaul quality that maps to the measured backhaul quality are identified. The one or more subsets have a set of cell identifiers associated therewith. A network is queried to indicate one or more cell identifiers in the identified subset of cell identifiers available for a user equipment (UE) relay. One of the one or more indicated cell identifiers is selected. If more than one subset of cell identifiers has a mapped backhaul quality that maps to the measured backhaul quality, first and second subsets having respective first and second mapped backhaul qualities are selected and the backhaul qualities are compared relative to a backhaul quality threshold. The mapped backhaul quality that most satisfies the backhaul quality threshold is identified for the network query. | 08-01-2013 |
20130223279 | SENSOR BASED CONFIGURATION AND CONTROL OF NETWORK DEVICES - A mobile device, such as a smartphone or a tablet computer, can execute functionality for configuring a network device in a communication network and for subsequently controlling the operation of the network device with little manual input. The mobile device can detect, from the network device, sensor information that is indicative of configuration information associated with the network device. The mobile device can decode the received sensor information to determine the configuration information and can accordingly enroll the network device in the communication network. In response to determining to control the enrolled network device, the mobile device can capture an image of the network device and can use the captured image to unambiguously identify the network device. The mobile device can establish a communication link with the network device and can transmit one or more commands to vary operating parameters of the network device. | 08-29-2013 |
20130223324 | APPARATUS AND METHOD FOR OPPORTUNISTIC RELAY ASSOCIATION - A method, an apparatus, and a computer program product for associating a user equipment (UE) with a relay in a wireless network are provided. The apparatus determines a relay backhaul link quality of a relay; determines a path loss from a UE to the relay; and compares the relay backhaul link quality to a direct link quality between the UE and a base station, and the path loss to a path loss threshold to determine whether to associate the UE with the relay. | 08-29-2013 |
20150270925 | INTERFERENCE ESTIMATION FOR SELECTION OF MODULATION AND CODING SCHEMES - A modulation and coding scheme (MCS) is selected for one or more transmissions from a first wireless device to a second wireless device, based at least in part on interference at the second wireless device during a time period. The interference excludes wireless signals present at the second wireless device at first times during the time period when the first wireless device is transmitting and at second times during the time period when the first wireless device detects transmissions. | 09-24-2015 |
20150327304 | SENSOR BASED CONFIGURATION AND CONTROL OF NETWORK DEVICES - A mobile device, such as a smartphone or a tablet computer, can execute functionality for configuring a network device in a communication network and for subsequently controlling the operation of the network device with little manual input. The mobile device can detect sensor information from a network device. The mobile device can determine device configuration information based, at least in part, on decoding the sensor information. The mobile device can provide the device configuration information to an access point of a network. The mobile device can receive communication link information from the access point. The mobile device can provide the communication link information to the network device. The mobile device can receive a message indicating a communication link between the network device and the access point is established. | 11-12-2015 |
Patent application number | Description | Published |
20140126497 | TECHNIQUES FOR DECOUPLING DOWNLINK AND UPLINK OPERATIONS - Techniques are provided for decoupling uplink and downlink operations. According to certain aspects, a wireless node (e.g., a low power node) may receive, from a base station of a first cell, signaling indicating a random access channel (RACH) configuration for a wireless device. The wireless node may then detect the wireless node performing a RACH detection (based on the RACH configuration) and report the RACH detection and desired UL configuration to the base station of the first cell. The base station of the first cell may then select the wireless node for serving the wireless device for UL operations (e.g., based on the reported RACH detection-and similar reports from other wireless nodes detecting the same RACH procedure). | 05-08-2014 |
20140329526 | COORDINATING HANDOVER EVENTS ACROSS RATs - Methods, systems, and devices are described for managing network communication between a UE and network equipment. The communication between the UE and the network equipment may be established over a first radio access technology (RAT) and a second RAT, and a coupling between the first RAT and the second RAT may be identified in the communication between the UE and the network equipment. At least one of a reselection procedure or a handover procedure for at least one of the RATs may be adapted based on the identified coupling between the first RAT and the second RAT. | 11-06-2014 |
20150092705 | MEASUREMENT AND SIGNALING FOR NETWORK ASSISTANCE TO ENABLE DATA-IC IN SMALL CELL CLUSTERS - A method, an apparatus, and a computer program product for wireless communication are provided. In one aspect, a user equipment (UE) receives a signal at the UE. The received signal includes a transmission from a serving cell and at least a first interfering transmission. The UE determines a constrained transmission rate associated with the first interfering transmission and cancels the first interfering transmission from the received signal based on the constrained transmission rate. In another aspect, a wireless communication apparatus determines a constrained transmission rate for a transmission on one or more reduced-rate resources. The wireless communication apparatus signaling the constrained transmission rate to a user equipment (UE). | 04-02-2015 |
20150099525 | LTE-U CLEAR CHANNEL ASSESSMENT OPERATIONS - The subject technology provides for performing clear channel assessment (CCA) in LTE-U. Transmissions may be monitored in a resource reserved for CCA. An energy of the transmissions is detected over a shorter duration than an assigned slot in the resource reserved for CCA. A beacon may be transmitted in a slot assigned to a wireless entity for CCA in response to detecting a clear channel based on the monitoring. In another aspect, a beacon transmission for CCA and a timing for the monitoring are adapted in response to detecting the transmissions for a consecutive number of CCA periods. Further, the subject technology provides for adjusting to a maximum power for transmission of a beacon in a slot assigned to a mobile station for CCA in response to detecting a clear channel based on the monitoring. | 04-09-2015 |
20150110012 | TECHNIQUES FOR CHANNEL ACCESS IN ASYNCHRONOUS UNLICENSED RADIO FREQUENCY SPECTRUM BAND DEPLOYMENTS - Techniques are described for channel access in a radio frequency spectrum band shared by a number of asynchronous operators. One or more clear channel assessment (CCA) procedures may be used to contend for one or more transmission periods in the radio frequency spectrum band. When the contention is won for one or more transmission periods, a determination may be made as to whether the a number of transmission periods for which contention has been won is equal to or greater than a threshold number of consecutive transmission periods. If the number of transmission periods for which contention has been won is at or above the threshold number, occupancy of the radio frequency spectrum band may be relinquished for a period of time, in order to allow another operator to access the radio frequency spectrum band. | 04-23-2015 |
20150215874 | TECHNIQUES FOR CONTROLLING TRANSMISSION POWER IN SHARED RADIO FREQUENCY SPECTRUM - Certain aspects of the present disclosure provide techniques for controlling transmission power in shared radio frequency spectrum (SRFS). According to techniques, devices (e.g., BSs, UEs, etc.) transmitting in SRFS band may win contention to the SRFS band for at least a portion of a radio frame period. For example, the radio frame period may include a plurality of subframe periods. The devices may also transmit a first signal at a first transmit power during a first subframe period of the radio frame period and transmit a second signal at a second transmit power during a second subframe period of the radio frame period. For example, the first transmit power and second transmit power may be controlled based, at least in part, on a power level determined for the radio frame period. | 07-30-2015 |
20150245327 | TECHNIQUES FOR ENABLING ASYNCHRONOUS TIME DIVISION DUPLEXING TRANSMISSIONS IN AN UNLICENSED RADIO FREQUENCY SPECTRUM BAND - Techniques are described for wireless communication. One method includes monitoring, by a first base station of a first operator, for uplink configuration information and downlink configuration information associated with a second base station of at least one second operator; identifying a transmission timing of one or more uplink transmissions to the second base station of the at least one second operator based at least in part on the uplink configuration information; and prohibiting access to an unlicensed radio frequency spectrum band by the first base station of the first operator during the identified transmission timing of the one or more uplink transmissions. Transmissions of the second base station of the at least one second operator in the unlicensed radio frequency spectrum band may be asynchronous to transmissions of the first base station of the first operator in the unlicensed radio frequency spectrum band. | 08-27-2015 |
20150245411 | TECHNIQUES FOR ENABLING ASYNCHRONOUS TRANSMISSIONS IN AN UNLICENSED RADIO FREQUENCY SPECTRUM BAND - Techniques are described for wireless communication. One method includes monitoring, by a first base station of a first operator, for clear channel assessment (CCA) exempt transmission (CET) timing information of a second base station of a second operator; identifying transmission timings of CETs of the second base station of the second operator based at least in part on the monitoring; and discontinuing transmissions of the first base station of the first operator during the transmission timings of the CETs of the second base station of the second operator. Transmissions of the second base station of the second operator may be asynchronous to transmissions of the first base station of the first operator. | 08-27-2015 |
20150280847 | TECHNIQUES FOR ACQUIRING MEASUREMENTS OF A SHARED SPECTRUM AND PERFORMING CHANNEL SELECTION FOR ACCESS POINTS USING THE SHARED SPECTRUM - Techniques are described for wireless communication. A first method may include transmitting a reference signal from an access point over a shared spectrum to a user equipment (UE), and receiving a measurement of the reference signal from the UE. A second method may include receiving at a UE over a shared spectrum a reference signal from an access point, and transmitting a measurement of the reference signal to the access point. In each of the first and second methods, the measurement may indicate interference with the shared spectrum from outside of a clear channel assessment (CCA) range of the access point. A third method may include receiving a plurality of reference signal measurements, where each reference signal measurement corresponds to one of a plurality of access points and indicates interference with a shared spectrum from outside of a CCA range of the corresponding access point, and performing channel selection for the plurality of access points based at least in part on the received reference signal measurements. | 10-01-2015 |
20150319781 | TECHNIQUES FOR COORDINATING COMMUNICATIONS OVER AN UNLICENSED RADIO FREQUENCY SPECTRUM BAND - Techniques are described for wireless communication. One method includes identifying, by a first transmitter, a first contention access protocol timing for accessing an unlicensed radio frequency spectrum band, and aligning a second contention access protocol timing with the first contention access protocol timing, the second contention access protocol timing being used by the first transmitter for accessing the unlicensed radio frequency spectrum band. | 11-05-2015 |
20150319784 | TECHNIQUES FOR OBTAINING AND MAINTAINING ACCESS TO A WIRELESS COMMUNICATION MEDIUM - Techniques are described for wireless communication. One method includes implementing, at a first node, a first access protocol to contend for access to a wireless communication medium shared by a plurality of nodes; determining whether a triggering event has occurred; and implementing, at the first node, a second access protocol to contend for access to the wireless communication medium based at least in part on a determination that the triggering event has occurred. | 11-05-2015 |
20150334744 | LOAD BASED LTE/LTE-A WITH UNLICENSED SPECTRUM - In one aspect of the disclosure, a method of wireless communication includes receiving, at a transmitter, data for transmission over an unlicensed carrier, calculating, at the transmitter, a first available extended clear channel assessment (ECCA) opportunity of the unlicensed carrier after the receiving, wherein the calculating uses at least network information and a pseudo-random number, performing a clear channel assessment (CCA) check, by the transmitter, on the unlicensed carrier at the first available ECCA opportunity, in response to detecting a clear CCA check, transmitting channel reserving signals, by the transmitter, onto the unlicensed carrier, and in response to failing to detect the clear CCA check, calculating, by the transmitter, a next available ECCA opportunity of the unlicensed carrier using at least the network information and another pseudo-random number. | 11-19-2015 |
20150350955 | TECHNIQUES FOR HANDLING PARTIAL LOADING OF CARRIERS IN WIRELESS COMMUNICATIONS - Aspects described herein relate to scheduling data for transmission over a plurality of component carriers. A base station can determine to increase bandwidth utilization over at least one component carrier of a plurality of component carriers assigned to a plurality of user equipments (UE). The base station can assign a plurality of resource blocks over the at least one component carrier to one or more fictitious UE identifiers and transmit data signals over the plurality of resource blocks to increase bandwidth utilization over the at least one component carrier. One or more network nodes may determine the one or more fictitious UE identifiers and may determine related resource assignment for canceling interference from data transmitted for the fictitious UE identifiers, performing channel estimation, etc. | 12-03-2015 |
20150373652 | CCA CLEARANCE IN UNLICENSED SPECTRUM - Techniques are described for contention-based wireless communications channel access that may improve the likelihood that a contention procedure will pass and allow a device to transmit an uplink or downlink transmission using the contention-based channel. Various disclosed techniques may determine a transmit power for a subsequent transmission based on channel characteristics during one or more clear channel assessment (CCA) time durations. The transmit power may be selected to provide a CCA threshold that may increase the likelihood that a device will win contention for the channel during the CCA procedure. | 12-24-2015 |
20150373741 | METHOD AND APPARATUS FOR REDUCING SELF-JAMMING OF TRANSMISSIONS ON ADJACENT CARRIERS - The present disclosure provides methods and apparatuses for multi-carrier transmissions over adjacent channels that reduce self-jamming due to asymmetric interference. In an aspect, a large bandwidth load-base equipment (LBE) carrier may be provided such that CCA is performed jointly over the entire bandwidth. In another aspect, additional CCA timeslots may be used to synchronize the two carriers. In a further aspect, an extended CCA may be performed on a primary unlicensed carrier while a simple CCA may be performed on a secondary unlicensed carrier. In yet another aspect, LBE may be deployed on some carriers while frame-base equipment (FBE) may be deployed on other carriers. | 12-24-2015 |
20160057770 | TECHNIQUES FOR TRANSMITTING AND RECEIVING CHANNEL OCCUPANCY IDENTIFIERS OVER AN UNLICENSED RADIO FREQUENCY SPECTRUM BAND - Techniques are described for wireless communication. A first method may include inserting, in a first transmission using a first radio access technology (RAT), a channel occupancy identifier for a second transmission using a second RAT. The first method may also include transmitting the first transmission having the channel occupancy identifier over an unlicensed radio frequency spectrum band. A second method may include receiving, at a receiver operated using a first RAT, a channel occupancy identifier for a transmission using a second RAT. The channel occupancy identifier may be received over an unlicensed radio frequency spectrum band. The second method may also include decoding the channel occupancy identifier to identify a backoff period, and refraining from accessing the unlicensed radio frequency spectrum band using the first RAT based at least in part on the identified backoff period. | 02-25-2016 |
Patent application number | Description | Published |
20120093110 | RADIO LINK CONTROL RESET USING RADIO RESOURCE CONTROL SIGNALING - A method and apparatus are described for implementing a reset procedure for radio link control (RLC) using radio resource control (RRC) signaling. A wireless transmit/receive unit (WTRU) receives a request for RLC reset. A processor at the WTRU comprises a RRC entity and a RLC entity. The RRC entity receives the request for a RLC reset in a radio resource control message. The RLC entity reassembles RLC service data units (SDUs) from any protocol data units (PDUs) that are received out of sequence at a receiving side of the RLC entity. The reassembled SDUs are delivered in sequence to a packet data convergence protocol entity (PDCP). At the receiving side of the RLC entity, any remaining PDUs that are not able to be reassembled are discarded. At a transmitting side of the RLC entity, all SDUs and PDUs stored in transmit buffers are discarded. | 04-19-2012 |
20120275371 | CELL RESELECTION PROCESS FOR WIRELESS COMMUNICATIONS - A method of cell reselection in a wireless communications system where parameters are transmitted by the network in system information blocks to WTRU's on the network. Parameters are either added or subtracted from an equation representing the signal level and/or quality of a cell. Parameters may be prioritized. The results of the calculations are used to rank the servicing cell and neighboring cells. If a neighboring cell has a higher quality than the servicing cell, then the WTRU reselects the better cell. The network may transmit a blacklist of cells where the WTRU cannot camp as well as a barring timer for each cell where if the timer expires, the cell can again be considered for reselection. Information germane to the reselection decision may be transmitted and used by the network. | 11-01-2012 |
20130064224 | METHOD AND APPARATUS FOR PERFORMING A HANDOVER IN AN EVOLVED UNIVERSAL TERRESTRIAL RADIO ACCESS NETWORK - A method and an apparatus for performing a handover in an evolved universal terrestrial radio access network (E-UTRAN) are disclosed. A wireless transmit/receive unit (WTRU) sends a measurement report to a source evolved Node B (eNB), and receives a handover command from the source eNB. The WTRU initiates reception and processing of a primary broadcast channel (P-BCH) at the target cell after receiving the handover command. The WTRU then sends a random access preamble to the target eNB, receives a random access response from the target eNB, and sends a handover complete message to the target eNB. The reception and processing of the P-BCH may be initiated immediately after receiving the handover command or after sending the handover complete message. The WTRU may apply default configuration or source cell configuration in the target cell until a target cell SFN and/or P-BCH information are acquired. | 03-14-2013 |
20130065594 | CELL SELECTION AND RESELECTION FOR CLOSED SUBSCRIBER GROUP CELLS - A method for cell selection including a closed subscriber group (CSG) cell is described, the method including receiving priority information or reselection information, storing the information at a wireless transmit/receive unit, and applying the priority information for cell selection. | 03-14-2013 |
20130067293 | METHOD AND APPARATUS FOR HYBRID AUTOMATIC REPEAT REQUEST TRANSMISSION - A method and apparatus for hybrid automatic repeat request (HARQ) transmission are disclosed. If a packet has not been successfully transmitted, it is determined whether an HARQ early termination condition is met. If the HARQ early termination condition is met, the HARQ process is terminated and the packet is discarded at the HARQ level. The HARQ early termination condition is met if a positive acknowledgement (ACK) has not been received until the number of retransmissions reaches a predetermined limit that is dynamically configured based on channel condition, measurement, etc. Alternatively, the HARQ early termination condition is met if a transmit power required for successful transmission of the packet is much higher than an actual transmit power. Alternatively, the HARQ early termination condition is met if a transport format combination (TFC) selected for retransmission is different from an optimal TFC. A higher layer may be notified of the early HARQ termination. | 03-14-2013 |
20130070614 | METHOD AND APPARATUS FOR DELIVERY NOTIFICATION OF NON-ACCESS STRATUM RETRANSMISSION - A method and apparatus for data delivery confirmation in a wireless/transmit receive unit (WTRU) including transmitting an uplink (UL) message, performing a mobility operation, determining that the UL message is not acknowledged, and generating a delivery failure message. The mobility operation is a handover or a radio resource control (RRC) connection reestablishment. A message including the delivery failure message is passed between protocol layers. | 03-21-2013 |
20130072161 | WIRELESS COMMUNICATION METHOD AND APPARATUS FOR PERFORMING HOME NODE-B IDENTIFICATION AND ACCESS RESTRICTION - A method and a wireless transmit/receive unit (WTRU), including a universal subscriber identity module (USIM), for identifying a closed subscriber group (CSG) cell are disclosed. The WTRU receives a broadcast from a cell including a cell identifier (ID). If the cell ID is associated with a CSG cell, the WTRU determines whether the CSG ID is programmed in the USIM. The cell broadcast may include a single bit information element (IE) indicating that the cell is a CSG cell. If the cell ID is a CSG ID, the cell ID may further include a plurality of fields which indicate at least one of a country, a region, an operator, and a home evolved Node-B (HeNB) number. The cell broadcast may further include a bit indicating whether the CSG cell is public or private. The cell broadcast may further include a bit indicating that emergency calls are allowed from all users. | 03-21-2013 |
20130095818 | METHOD AND APPARATUS FOR LTE RADIO LINK FAILURE DETERMINIATION IN DRX MODE - A method and apparatus for detecting radio link failure (RLF) in a wireless transmit receive unit (WTRU) includes the WTRU performing a series of radio link measurements during a discontinuous reception (DRX) on-duration, comparing each of the series of radio link measurements to a threshold, and determining that the series of radio link measurements indicates an out-of-synch condition. | 04-18-2013 |
20130107811 | METHOD AND APPARATUS FOR CANCELING A CIRCUIT SWITCHED FALLBACK | 05-02-2013 |
20130148521 | METHOD AND APPARATUS FOR ENHANCING DISCONTINUOUS RECEPTION IN WIRELESS SYSTEMS - A method of discontinuous reception (DRX) in a wireless transmit receive unit (WTRU) includes the WTRU receiving DRX setting information over a radio resource control (RRC) signal, and the WTRU receiving DRX activation information over medium access control (MAC) signal. | 06-13-2013 |
20130170355 | METHOD AND APPARATUS FOR SUPPORTING UPLINK STARVATION AVOIDANCE IN A LONG TERM EVOLUTION SYSTEM - A method and apparatus for uplink (UL) starvation avoidance includes determining a current buffer status information. The current buffer status information is reported to an evolved Node B (eNB). A grant that includes a determination of a number of tokens a wireless transmit/receive unit (WTRU) may accumulate is received from the eNB. | 07-04-2013 |
20130288682 | BALANCING PAGING LOAD AND TRACKING AREA UPDATES - A method for assigning a tracking area (TA) is disclosed. A mobility state of a wireless transmit/receive unit (WTRU) is determined and the TA is assigned based on the determined mobility state. Also disclosed is a method for accessing a closed subscriber group (CSG) TA. A CSG TA identifier is received at a WTRU and is stored. A CSG TA broadcast is received and the broadcast CSG TA is accessed if an identifier of the broadcast CSG TA matches the stored CSG TA identifier. Also disclosed is a method for changing a mobility state of a WTRU. A current mobility state of the WTRU is determined and a predetermined metric of the WTRU is examined. The predetermined metric is evaluated to determine if the metric has crossed a threshold and the mobility state is changed based on the evaluated metric. | 10-31-2013 |
20140254501 | METHOD AND APPARATUS FOR HANDLING SYSTEM INFORMATION CHANGE - A method and apparatus for handling system information change. When the system information changes, a wireless transmit/receive unit (WTRU) may be running a procedure. Depending on the nature of the system information, the WTRU may not need to interrupt the procedure to update the system information. | 09-11-2014 |
Patent application number | Description | Published |
20140010136 | SYSTEM LEVEL INFORMATION FOR DISCONTINUOUS RECEPTION, CELL RESELECTION AND RACH - A wireless transmit/receive unit is configured to receive system level information, including discontinuous reception (DRX) information, cell selection information, and RACH information. The system level information is received as defined parameters assigned to system information blocks or signaled through dedicated RRC signaling. | 01-09-2014 |
20140011474 | NON-ACCESS STRATUM ARCHITECTURE AND PROTOCOL ENHANCEMENTS FOR LONG TERM EVOLUTION MOBILE UNITS - A method and apparatus performs processing of the non-access stratus (NAS) layer (layer 3) in long term evolution (LTE) wireless transmit/receive units (WTRUs), which allows the NAS protocol layer to route layer 3 messages to the correct NAS entity, and to encode new NAS message types and information elements. A new architecture is presented that enables NAS security. When a NAS message is generated, a determination is made as to whether or not to cipher, de-cipher and/or integrity check the NAS message based on at least one of a protocol discriminator (PD) of the NAS message, an indicator field in a header of the NAS message, the type of the NAS message, a NAS security state variable, and an indication by an upper layer protocol. The NAS security state variable indicates whether NAS security is currently active or not and may comprise one bit. | 01-09-2014 |
20140080451 | WIRELESS COMMUNICATION METHOD AND APPARATUS FOR PERFORMING HOME NODE-B IDENTIFICATION AND ACCESS RESTRICTION - A method and a wireless transmit/receive unit (WTRU), including a universal subscriber identity module (USIM), for identifying a closed subscriber group (CSG) cell are disclosed. The WTRU receives a broadcast from a cell including a cell identifier (ID). If the cell ID is associated with a CSG cell, the WTRU determines whether the CSG ID is programmed in the USIM. The cell broadcast may include a single bit information element (IE) indicating that the cell is a CSG cell. If the cell ID is a CSG ID, the cell ID may further include a plurality of fields which indicate at least one of a country, a region, an operator, and a home evolved Node-B (HeNB) number. The cell broadcast may further include a bit indicating whether the CSG cell is public or private. The cell broadcast may further include a bit indicating that emergency calls are allowed from all users. | 03-20-2014 |
20140119270 | METHODS AND APPARATUS FOR HOME NODE-B DETECTION AND MEASUREMENTS THEREOF - A method and apparatus for selecting or reselecting a home Node-B (HNB), (i.e., a closed subscriber group (CSG) cell), among cells having colliding physical layer signals are disclosed. Once the identity (ID) of an HNB is determined, measurements needed to support cell selection or reselection are performed. A broadcast channel that broadcasts an HNB ID is detected and synchronized to, and information obtained from the broadcast channel is forwarded to a non-access stratum (NAS). The broadcasted HNB ID is checked against an HNB white-list provided by the NAS to determine whether the HNB is suitable for a wireless transmit/receive unit (WTRU). The WTRU selects the HNB to camp on, or changes from a cell currently serving the WTRU to the HNB if it is determined to be more suitable than the current serving cell. | 05-01-2014 |
20140161074 | RADIO LINK CONTROL RESET USING RADIO RESOURCE CONTROL SIGNALING - A method and apparatus are described for implementing a reset procedure for radio link control (RLC) using radio resource control (RRC) signaling. A wireless transmit/receive unit (WTRU) receives a request for RLC reset. A processor at the WTRU comprises a RRC entity and a RLC entity. The RRC entity receives the request for a RLC reset in a radio resource control message. The RLC entity reassembles RLC service data units (SDUs) from any protocol data units (PDUs) that are received out of sequence at a receiving side of the RLC entity. The reassembled SDUs are delivered in sequence to a packet data convergence protocol entity (PDCP). At the receiving side of the RLC entity, any remaining PDUs that are not able to be reassembled are discarded. At a transmitting side of the RLC entity, all SDUs and PDUs stored in transmit buffers are discarded. | 06-12-2014 |
20140179328 | CONTROL CHANNEL SIGNALING AND ACQUISITION FOR CARRIER AGGREGATION - A method and apparatus for handling a control channel for carrier aggregation in wireless communications. The method includes determining which component carrier to listen to, detecting the downlink control channel, processing mapping information related to downlink and uplink transmissions and operating discontinuous reception with respect to carrier aggregation. The method also includes detecting a component carrier, determining the component carrier type and locating the anchor component carrier, if necessary, where the anchor component carrier carries the carrier aggregation information. | 06-26-2014 |
20140181899 | METHOD AND APPARATUS TO IMPLEMENT SECURITY IN A LONG TERM EVOLUTION WIRELESS DEVICE - A wireless transmit receive unit (WTRU) is configured to receive unciphered and ciphered messages. The unciphered messages include identity requests, authentication requests, non-access stratum (NAS) security mode commands and tracking area update responses. The ciphered messages may come from the NAS and a Radio Resource Controller (RRC). The messages are ciphered using security keys. | 06-26-2014 |
20140185448 | METHOD AND APPARATUS FOR SUPPORTING UPLINK STARVATION AVOIDANCE IN A LONG TERM EVOLUTION SYSTEM - A method and apparatus for uplink (UL) starvation avoidance includes determining a current buffer status information. The current buffer status information is reported to an evolved Node B (eNB). A grant that includes a determination of a number of tokens a wireless transmit/receive unit (WTRU) may accumulate is received from the eNB. | 07-03-2014 |
20140192747 | METHOD AND APPARATUS OF SIGNALING AND PROCEDURE TO SUPPORT UPLINK POWER LEVEL DETERMINATION - Method and apparatus are disclosed for determining a physical uplink power level for transmissions on a physical uplink channel. In one embodiment, a random access channel (RACH) uplink message is transmitted. The RACH uplink message includes a RACH message power level and/or a downlink pathloss figure. A downlink message including a power offset value is received. The physical uplink power level is set for transmissions on the physical uplink channel based on the power offset value. In another embodiment, a RACH uplink message is transmitted and a downlink message including a relative power offset value is received. The physical uplink power level for transmissions on the physical uplink channel is then set based on the relative power off set value. | 07-10-2014 |
20140192772 | APPARATUS TO ENABLE FALLBACK TO CIRCUIT SWITCHED DOMAIN FROM PACKET SWITCHED DOMAIN - An apparatus is used to perform a Circuit Switched (CS) fallback in wireless communications. The Non-Access Stratum (NAS) of the apparatus determines whether to perform a CS fallback based on an Internet Protocol (IP) Multimedia Subsystem (IMS) registration status, and sends a service request indicating a request to perform the CS fallback when the WTRU is attached to a CS domain. The apparatus also includes an Access Stratum (AS) that receives the CS service request from the NAS, sends an indication of the CS service request in a Radio Resource Control (RRC) message to an Evolved Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access Network (E-UTRAN), wherein the RRC message includes CS service information, and receives a handover command in response to the CS service request. | 07-10-2014 |
20140204829 | CELL RESELECTION AND HANDOVER WITH MULTIMEDIA BROADCAST/MULTICAST SERVICE - A method and apparatus for providing wireless communication services, (e.g., multimedia broadcast multicast services (MBMS)), are disclosed. A wireless transmit/receive unit (WTRU) detects a plurality of target cell evolved Node-Bs (eNodeBs) that neighbor a serving cell eNodeB. The WTRU evaluates cell reselection criteria and determines a neighboring target cell eNodeB to reselect. The WTRU receives and reads master information block (MIB) and system information messages of the neighboring target cell eNodeB, and confirms that the determined neighboring target cell eNodeB is not part of a multimedia broadcast single frequency network (MBSFN). The WTRU identifies the neighboring target cell eNodeB to the serving cell eNodeB. The WTRU then receives and reads MIB messages of the neighboring target cell eNodeB again to determine whether the system information has changed and, if so, the WTRU reads the system information and reselects to the neighboring target cell eNodeB, which provides the wireless communication services. | 07-24-2014 |
20140206355 | METHOD FOR INTER-RADIO ACCESS TECHNOLOGY CELL RESELECTION - A method for performing cell reselection first determines a current cell selection quality value. The cell selection quality value is compared to a predetermined threshold. Measurements of neighboring cells are taken if the cell selection quality value is less than or equal to the predetermined threshold. Measurements can be taken of intra-frequency cells, inter-frequency cells, and inter-radio access technology cells. If a neighboring cell is found that is better than the current cell based on the measurements, then the better neighbor cell is reselected to. | 07-24-2014 |
20140233396 | METHOD AND APPARATUS FOR MONITORING FOR A RADIO LINK FAILURE - Methods and apparatus are described for monitoring for a radio link failure in a long term evolution-advanced (LTE-A) system operated with carrier aggregation. The methods include criteria for determining radio link failure, recovery events, and the actions that a wireless transmit/receive unit (WTRU) may take upon the occurrence of such events. | 08-21-2014 |
20140243003 | RRC MESSAGES AND PROCEDURES - A method and apparatus for radio resource control (RRC) messaging. A method in a wireless communication system includes receiving, at a wireless transmit/receive unit (WTRU) an RRC change command including a plurality of commands from a Node B and receiving, at the Node B, an RRC change response from the WTRU, wherein the RRC change command includes a command for performing a measurement gap configuration procedure and a command for performing a measurement gap activation procedure. | 08-28-2014 |
20140273872 | METHOD AND APPARATUS FOR LTE RADIO LINK FAILURE DETERMINIATION IN DRX MODE - A method and apparatus for detecting radio link failure (RLF) in a wireless transmit receive unit (WTRU) includes the WTRU performing a series of radio link measurements during a discontinuous reception (DRX) on-duration, comparing each of the series of radio link measurements to a threshold, and determining that the series of radio link measurements indicates an out-of-synch condition. | 09-18-2014 |
20140293915 | METHOD AND APPARATUS FOR RANDOM ACCESS IN MULTICARRIER WIRELESS COMMUNICATIONS - Methods and apparatus for random access in multicarrier wireless communications are disclosed. Methods and apparatus are provided for physical random access channel (PRACH) resource signaling, PRACH resource handling, preamble and PRACH resource selection, random access response (RAR) reception, preamble retransmission, and transmission and reception of subsequent messages. A method for maintaining an allowed multicarrier uplink (UL) random access channel (RACH) configuration set by adding an UL carrier to the allowed RACH configuration set provided that a triggering event occurs and performing a random access (RA) procedure using the allowed RACH configuration set. A method for sending data in multicarrier wireless communications by determining a set of available UL carriers and selecting an UL carrier from the set of available UL carriers. | 10-02-2014 |
20140294179 | METHOD AND APPARATUS FOR CIPHERING PACKET UNITS IN WIRELESS COMMUNICATIONS - A method and apparatus are disclosed relating to ciphering and de-ciphering of packet units in wireless devices during retransmission in wireless communications. The packet units are re-segmented with the ciphering done on the re-segmented packet unit or on a radio link control protocol data unit (RLC PDU) with or without segmentation. Alternatively, the re-segmentation is done on the radio link control service data unit (RLC SDU) with or without segmentation. Alternatively, the ciphering process and multiplexing of the RLC PDU is done in the medium access control (MAC) layer of a MAC PU before undergoing a hybrid automatic repeat request (HARQ) process for retransmission. Further, the ciphering process in the RLC is done on a packet data convergence protocol packet data unit (PDCP PDU). | 10-02-2014 |
20150044984 | METHOD AND APPARATUS TO DELIVER PUBLIC WARNING MESSAGES - A method and apparatus for a wireless transmit receive unit (WTRU) to receive an emergency situation notification. The method and apparatus include the WTRU receiving a paging message with an emergency situation notification, and the WTRU receiving scheduling information in a system information block. | 02-12-2015 |
20150148086 | METHOD AND APPARATUS FOR COMMUNICATING SHORT MESSAGE SERVICE AND SUPPLEMENTARY SERVICES MESSAGES - Methods and apparatus for enabling short message service (SMS) and supplementary services (SS) in a long term evolution (LTE) network via evolved packet system (EPS) mobility management (EMM) over the LTE control plane are described. In one embodiment, the radio resource control (RRC) connection signaling radio bearer (SRB) is used for SMS and SS transport over the LTE control plane between a wireless transmit/receive unit (WTRU) and a mobility management entity (MME). EMM interfaces and primitives are defined for actions towards SMS and SS entities for enabling SMS and SS services in LTE via the LTE control plane media. Message formats for SMS and SS message transport are also disclosed for sending SMS and SS messages within EMM uplink (UL) non-access stratum (NAS) transport and downlink (DL) NAS transport messages. | 05-28-2015 |
20150189512 | NON-ACCESS STRATUM ARCHITECTURE AND PROTOCOL ENHANCEMENTS FOR LONG TERM EVOLUTION MOBILE UNITS - A method and apparatus performs processing of the non-access stratus (NAS) layer (layer 3) in long term evolution (LTE) wireless transmit/receive units (WTRUs), which allows the NAS protocol layer to route layer 3 messages to the correct NAS entity, and to encode new NAS message types and information elements. A new architecture is presented that enables NAS security. When a NAS message is generated, a determination is made as to whether or not to cipher, de-cipher and/or integrity check the NAS message based on at least one of a protocol discriminator (PD) of the NAS message, an indicator field in a header of the NAS message, the type of the NAS message, a NAS security state variable, and an indication by an upper layer protocol. The NAS security state variable indicates whether NAS security is currently active or not and may comprise one bit. | 07-02-2015 |
20150195761 | BALANCING PAGING LOAD AND TRACKING AREA UPDATES - A method for assigning a tracking area (TA) is disclosed. A mobility state of a wireless transmit/receive unit (WTRU) is determined and the TA is assigned based on the determined mobility state. Also disclosed is a method for accessing a closed subscriber group (CSG) TA. A CSG TA identifier is received at a WTRU and is stored. A CSG TA broadcast is received and the broadcast CSG TA is accessed if an identifier of the broadcast CSG TA matches the stored CSG TA identifier. Also disclosed is a method for changing a mobility state of a WTRU. A current mobility state of the WTRU is determined and a predetermined metric of the WTRU is examined. The predetermined metric is evaluated to determine if the metric has crossed a threshold and the mobility state is changed based on the evaluated metric. | 07-09-2015 |
20150200734 | EMERGENCY INFORMATION IN SYSTEM INFORMATION BROADCAST - A method and apparatus for providing an ETWS message to a wireless transmit receive unit (WTRU). The WTRU is configured to receive a paging message indicating a change in system information, wherein in response to the paging message to receive a system information block (SIB) 1 to determine a schedule for reception of earthquake and tsunami warning system (ETWS) information in system information blocks (SIBs). The WTRU is further configured to receive the SIBs with the ETWS information and to separately receive segments of an ETWS message and to combine the segments to reproduce the ETWS message. | 07-16-2015 |
20150201356 | METHOD AND APPARATUS FOR PERFORMING A HANDOVER IN AN EVOLVED UNIVERSAL TERRESTRIAL RADIO ACCESS NETWORK - A method and an apparatus for performing a handover in an evolved universal terrestrial radio access network (E-UTRAN) are disclosed. A wireless transmit/receive unit (WTRU) sends a measurement report to a source evolved Node B (eNB), and receives a handover command from the source eNB. The WTRU initiates reception and processing of a primary broadcast channel (P-BCH) at the target cell after receiving the handover command. The WTRU then sends a random access preamble to the target eNB, receives a random access response from the target eNB, and sends a handover complete message to the target eNB. The reception and processing of the P-BCH may be initiated immediately after receiving the handover command or after sending the handover complete message. The WTRU may apply default configuration or source cell configuration in the target cell until a target cell SFN and/or P-BCH information are acquired. | 07-16-2015 |
20150230163 | METHOD AND APPARATUS FOR SUPPORTING UPLINK STARVATION AVOIDANCE IN A LONG TERM EVOLUTION SYSTEM - A method and apparatus for uplink (UL) starvation avoidance includes determining a current buffer status information. The current buffer status information is reported to an evolved Node B (eNB). A grant that includes a determination of a number of tokens a wireless transmit/receive unit (WTRU) may accumulate is received from the eNB. | 08-13-2015 |
20150257054 | PROCEDURES FOR OPERATING IN LONG TERM EVOLUTION IDLE MODE - Various procedures for operating a wireless transmit/receive unit (WTRU) in Long Term Evolution (LTE) Idle mode are described. The procedures include: methods for applying cell reselection priorities in the WTRU, methods for converting a mobility state of the WTRU between operating modes, a method for assigning a mobility state to the WTRU, and a method for determining whether the WTRU may access a closed subscriber group (CSG) cell. Also described are methods and an apparatus on the operations of the LTE mobility state transition mechanism between LTE WTRU Idle mode and Connected mode, a definition of the Pcompensation parameter for LTE, inter-frequency and inter-radio access technology cell reselection priority validity definitions, and coverage extension principles for CSG cells. | 09-10-2015 |
20150257202 | METHOD AND APPARATUS FOR ENHANCING DISCONTINUOUS RECEPTION IN WIRELESS SYSTEMS - A method of discontinuous reception (DRX) in a wireless transmit receive unit (WTRU) includes the WTRU receiving DRX setting information over a radio resource control (RRC) signal, and the WTRU receiving DRX activation information over medium access control (MAC) signal. | 09-10-2015 |
20150264537 | WIRELESS COMMUNICATION METHOD AND APPARATUS FOR PERFORMING HOME NODE-B IDENTIFICATION AND ACCESS RESTRICTION - A method and a wireless transmit/receive unit (WTRU), including a universal subscriber identity module (USIM), for identifying a closed subscriber group (CSG) cell are disclosed. The WTRU receives a broadcast from a cell including a cell identifier (ID). If the cell ID is associated with a CSG cell, the WTRU determines whether the CSG ID is programmed in the USIM. The cell broadcast may include a single bit information element (IE) indicating that the cell is a CSG cell. If the cell ID is a CSG ID, the cell ID may further include a plurality of fields which indicate at least one of a country, a region, an operator, and a home evolved Node-B (HeNB) number. The cell broadcast may further include a bit indicating whether the CSG cell is public or private. The cell broadcast may further include a bit indicating that emergency calls are allowed from all users. | 09-17-2015 |
20150296492 | CONTROL CHANNEL SIGNALING AND ACQUISITION FOR CARRIER AGGREGATION - A method and apparatus for handling a control channel for carrier aggregation in wireless communications. The method includes determining which component carrier to listen to, detecting the downlink control channel, processing mapping information related to downlink and uplink transmissions and operating discontinuous reception with respect to carrier aggregation. The method also includes detecting a component carrier, determining the component carrier type and locating the anchor component carrier, if necessary, where the anchor component carrier carries the carrier aggregation information. | 10-15-2015 |
20150312896 | RADIO LINK CONTROL RESET USING RADIO RESOURCE CONTROL SIGNALING - A method and apparatus are described for implementing a reset procedure for radio link control (RLC) using radio resource control (RRC) signaling. A wireless transmit/receive unit (WTRU) receives a request for RLC reset. A processor at the WTRU comprises a RRC entity and a RLC entity. The RRC entity receives the request for a RLC reset in a radio resource control message. The RLC entity reassembles RLC service data units (SDUs) from any protocol data units (PDUs) that are received out of sequence at a receiving side of the RLC entity. The reassembled SDUs are delivered in sequence to a packet data convergence protocol entity (PDCP). At the receiving side of the RLC entity, any remaining PDUs that are not able to be reassembled are discarded. At a transmitting side of the RLC entity, all SDUs and PDUs stored in transmit buffers are discarded. | 10-29-2015 |
20150382168 | METHOD AND APPARATUS TO DELIVER PUBLIC WARNING MESSAGES - A method and apparatus for a wireless transmit receive unit (WTRU) to receive an emergency situation notification. The method and apparatus include the WTRU receiving a paging message with an emergency situation notification, and the WTRU receiving scheduling information in a system information block. | 12-31-2015 |
20160050610 | CELL SELECTION AND RESELECTION FOR CLOSED SUBSCRIBER GROUP CELLS - A method for cell selection including a closed subscriber group (CSG) cell is described, the method including receiving priority information or reselection information, storing the information at a wireless transmit/receive unit, and applying the priority information for cell selection. | 02-18-2016 |
20160113033 | METHOD AND APPARATUS FOR HANDLING RANDOM ACCESS CHANNEL RESPONSES - A method and apparatus for supporting a random access using a random access channel (RACH) are disclosed. The WTRU detects a format of control information in at least one control channel element (CCE) of a common area in a control portion of a downlink transmission. The control information indicates a resource allocation in a data portion of the downlink transmission. The WTRU recovers a random access response assigned to the WTRU from the indicated resource allocation of the data portion on a condition that the at least one CCE has a random access radio network terminal identifier (RA-RNTI) assigned to the WTRU. | 04-21-2016 |