Patent application number | Description | Published |
20120252368 | REDUCING RATE OF DETECTION CYCLES AND MEASUREMENT CYCLES IN A DISCONTINUOUS RECEPTION (DRX) MODE - A user device performs a set of measurements at a specified rate when the user device in a discontinuous reception (DRX) mode, and determines a signal condition of a signal received from a serving cell. The user device adjusts the specified rate based on the signal condition. The reduction in the rate may reduce a current drain by the user device when the user device is in the DRX mode. | 10-04-2012 |
20120269163 | SERVER ASSISTED HIGHER PRIORITY PLMN SCAN - Methods and systems facilitating a server-assisted scan for a preferred network are disclosed. A user device may identify a cell at a present location of the user device, and request one or more records associated with the identified cell from a server. If the server provides a record associated with the identified cell, the user device may determine whether the provided record includes preferred network data identifying a preferred network previously found on the identified cell. If the provided record does not include the preferred network data, the user device may start a scan timer that is set to a predefined time interval. If the provided record includes the preferred network data, the user device may initiate a preferred network scan without starting the scan timer. | 10-25-2012 |
20130007039 | OPTIMIZING CELL SEARCH IN A MOBILE COMMUNICATION SYSTEM SUPPORTING VARIABLE CHANNEL BANDWIDTHS - Methods and systems for optimizing cell searches in a mobile communication system supporting variable channel bandwidths are disclosed. A user device stores data identifying frequency bands, networks associated with the frequency bands, and various channel bandwidths supported by the networks. The user device is operable to dynamically update the stored data upon detecting a new network associated with one of the frequency bands. | 01-03-2013 |
20130044613 | OPTIMIZING VOICE CALLS ON PACKET SWITCHED NETWORKS - Methods and systems for optimizing voice call setup times for user devices. A user device that is registered to a packet switched network and in an idle state receives a command to establish a voice call. The user device selects a legacy cell of a circuit switched network. The user device then establishes a radio connection with the selected legacy cell without first establishing a radio connection with a serving cell of the packet switched network. | 02-21-2013 |
20130044660 | HOME OR HIGHER PRIORITY PLMN SCAN IN 4G CONNECTED MODE - Methods and systems facilitating a preferred network scan in a 4G communications system are disclosed. A user device identifies a new search event when operating in connected state. The user device transitions to idle state, performs a preferred network scan, and returns to connected state. | 02-21-2013 |
20130079001 | REDUCING SERVICE ACQUISITION TIME WHEN A USER DEVICE IS POWERED UP - Methods and systems for reducing service acquisition time of a user device are disclosed. A method includes receiving a request to turn off the user device, obtaining network information for a future destination of the user device, and powering off the user device. The method further includes utilizing the network information for the future destination of the user device to reduce service acquisition time when the user device is powered on. | 03-28-2013 |
20130107718 | PRIORITIZING APPLICATION DATA FOR TRANSMISSION IN A WIRELESS USER DEVICE | 05-02-2013 |
20130322267 | RECONFIGURING MIMO COMMUNICATION LINKS - A plurality of communication links are established between a user device and a base station. The user device may determine if one or more criteria are satisfied and may reconfigure one or more of the plurality of communication links, based on the one or more criteria. | 12-05-2013 |
20130336285 | SYSTEM FOR FAST DORMANCY ON WIRELESS NETWORKS - A method and apparatus for enabling fast dormancy on LTE wireless connections. In an example embodiment, a user device generates a signal strength measurement report upon receiving an indication that a data transfer via an active wireless connection with a first infrastructure node according to a first wireless communication standard, such as LTE, is complete. The user device submits the signal strength measurement report to the first infrastructure node to trigger a handover. The user device implements the handover to a second infrastructure node to yield a second wireless connection according to a second wireless communication standard, such as WCDMA. Upon completion of the handover to the second infrastructure node, the user device transmits to the second infrastructure node a request to release the second wireless connection. | 12-19-2013 |
20140171088 | DETERMINING MOBILITY STATES FOR A USER DEVICE - A mobility module receives sensor data from one or more sensors and determines the movement of type of movement of a user device, based on the sensor data. Based on the movement or rate of movement, the mobility module transitions the user device to a mobility state. The user device evaluates the power levels of radio signals from neighbor base stations using one or more measurement parameters that are scaled of offset based on the mobility state. | 06-19-2014 |
20140241275 | PRIORITIZING APPLICATION DATA FOR TRANSMISSION IN A WIRELESS USER DEVICE - Methods and systems for prioritizing application data in a wireless user device are disclosed. A user device receives, at an application transport bearer (ATB) entity of a protocol layer of a network interface of a user device, at least a portion of a data packet originating from an application identified for prioritized data transfer on the user device. Then, the ATB entity of the user device schedules the data packet ahead of any data packets processed at any network-established data radio bearer (DRB) entities on the same protocol layer as the ATB entity. The ATB entity of the user device is also configured to operate on a protocol layer of a subset of protocol layers on the user device and is configured by the user device with a higher priority parameter than any of the network-established DRB entities on the same protocol layer as the ATB entity. | 08-28-2014 |
20140337131 | KEYWORD DETERMINATIONS FROM VOICE DATA - Topics of potential interest to a user, useful for purposes such as targeted advertising and product recommendations, can be extracted from voice content produced by a user. A computing device can capture voice content, such as when a user speaks into or near the device. One or more sniffer algorithms or processes can attempt to identify trigger words in the voice content, which can indicate a level of interest of the user. For each identified potential trigger word, the device can capture adjacent audio that can be analyzed, on the device or remotely, to attempt to determine one or more keywords associated with that trigger word. The identified keywords can be stored and/or transmitted to an appropriate location accessible to entities such as advertisers or content providers who can use the keywords to attempt to select or customize content that is likely relevant to the user. | 11-13-2014 |
20140355473 | REDUCING RATE OF MEASUREMENT CYCLES IN SUBSEQUENT DISCONTINUOUS RECEPTION (DRX) CYCLES - A user device performs intra-frequency measurements and inter-frequency measurements at a specified rate when the user device in a first discontinuous reception (DRX) cycle, and determines a signal condition of a signal received from a serving cell. The user device selects one of multiple lower intra-frequency rates for intra-frequency measurements in subsequent DRX cycles based on the signal condition and selects one of multiple lower inter-frequency rates for inter-frequency measurements in the subsequent DRX cycles based on the signal condition. The reduction in the rate may reduce a current drain by the user device when the user device is in the subsequent DRX cycles. | 12-04-2014 |
20140357271 | REDUCING SERVICE ACQUISITION TIME WHEN A USER DEVICE IS POWERED UP - A user device receives network information for a future destination of the user device. The user device stores the network information for the future destination in a local store of the user device. Responsive to the user device starting up, the user device searches for an available network using the network information in the local store of the user device, wherein searching for the available network excludes searching for a last registered network. | 12-04-2014 |
Patent application number | Description | Published |
20140032030 | System and Method for Detecting a Crest - A system for automated control of a machine having a ground engaging work implement includes an implement load sensor system. A controller determines a change in terrain based at least in part upon a change in the load on the ground engaging work implement. If the change in terrain exceeds a threshold, the controller generates an alert command signal. A method is also provided. | 01-30-2014 |
20140032058 | System and Method for Adjusting a Boundary for a Machine - A system for modifying a boundary of operation of a machine has a change in terrain sensor system. A controller determines a change in terrain based at least in part upon a change in terrain signal. If the change in terrain exceeds a threshold, the controller modifies the boundary of operation of the machine. A method is also provided. | 01-30-2014 |
20140032132 | System and Method for Operating a Machine - A system for automated control of a machine within a work area having a crest includes a first data map and a second data map. At least one sensor system generates operating data indicative of a change in terrain and a controller compares the operating data to the first data map while the machine is within a zone adjacent the crest. If the change in terrain exceeds a threshold, the controller generates an alert command signal. A method is also provided. | 01-30-2014 |
20140174770 | System and Method for Optimizing a Cut Location - A system for determining a cut location at a work surface includes a position sensor and a controller. The controller stores a final design plane of the work surface and determines an actual profile of the work surface. A plurality of target profiles extending along a path are determined, each corresponding to a cut location. The target profiles are based at least in part upon the cut location, a loading profile, slot parameters, and the actual profile of the work surface. The controller is further configured to determine a lowest cost target profile and the lowest cost target profile defines an optimized cut location. A method is also provided. | 06-26-2014 |
20140180444 | System and Method for Modifying a Path for a Machine - A system for modifying a path of operation of a machine includes a position sensor and a controller. The controller stores the path of operation, receives a plurality of position signals as the work implement moves material along the path of operation, and determines the position of the work surface. The controller further determines an amount of material moved based at least in part upon the position of the work surface and modifies parameters used to determine a subsequent path of operation if the amount of material moved exceeds a predetermined amount. | 06-26-2014 |
20140180547 | System and Method for Estimating Material Characteristics - A system for determining material characteristics of a material of a work surface includes a position sensor and a controller. The controller stores a first estimate of the material characteristics and utilizes a planning system to determine an expected profile. The expected profile is based at least in part upon the first estimate of the material characteristics. The controller determines an actual profile of the work surface, compares the expected profile to the actual profile, and determines a second estimate of the material characteristics based at least in part upon the difference between the expected profile and the actual profile. | 06-26-2014 |
20140180548 | System and Method for Optimizing a Cut Location - A system for determining a cut location at a work surface includes a position sensor and a controller. The controller stores a desired operating parameter and a final design plane of the work surface and determines an actual profile of the work surface. The controller determines a plurality of target profiles corresponding to different cut locations. The target profiles are based at least in part upon the cut location, a loading profile, slot parameters, and the actual profile of the work surface. The controller further determines an optimized target profile relative to the desired operating parameter and the optimized target profile defines an optimized cut location. | 06-26-2014 |
20140336881 | System and Method for Re-Directing a Ripping Path - A system for re-orienting a machine during a ripping operation includes a position sensing system, a ripper, and a controller. The system stores a ripping path, determines the position of the machine, and compares the position of the machine to the ripping path. A drawbar pull of the machine is determined, compared to a maximum steering drawbar pull, and the ripper is raised if the machine is positioned greater than a predetermined distance from the ripping path and the drawbar pull exceeds the maximum steering drawbar pull. The machine is re-oriented and the ripper lowered relative to the work surface. | 11-13-2014 |
20160076222 | System and Method for Optimizing a Work Implement Path - A system for determining an optimized cut location for a work implement includes a position sensor and a controller. The controller is configured to determine the position of a work surface and determine an initial cut location along a path based upon an initial target profile and the initial target profile has an initial cut length longer than an evaluation cut length. The controller is also configured to determine a plurality of potential cut locations along the path, determine a volume of material to be moved for each of the plurality of potential cut locations with the volume of material to be moved being based upon the loading profile, the evaluation cut length, and the position of the work surface. The controller is configured to select that optimized cut location from one of the plurality of potential cut locations for which the volume of material exceeds the material volume threshold. | 03-17-2016 |
20160076223 | System and Method for Controlling the Operation of a Machine - A system for autonomous control of a machine having a ground-engaging work implement includes a position sensor and a controller. The controller is configured to determine the position of a work surface based upon the position signals and select a work zone loading profile for a work zone cut location along a path within a work zone and the work zone loading profile has a work zone cut angle relative to a ground reference. The controller is further configured to select a final cut loading profile for a final cut location along the path adjacent the boundary zone with the final cut loading profile having a final cut angle relative to the ground reference. The final cut angle is steeper than the work zone cut angle. | 03-17-2016 |
20160076224 | System and Method for Controlling the Operation of a Machine - A system for automated control of a machine includes a position sensor and a controller. The controller is configured to determine a position of a work surface along a first slot and along a second slot. The work surface along the first slot and the second slot define at least a portion of a berm. The controller is further configured to determine a physical characteristic of the first slot and the second slot and generate a berm reduction command if the physical characteristic of the first slot and the second slot is less than the characteristic threshold of the first slot and the second slot. | 03-17-2016 |
20160076226 | System and Method for Monitoring a Machine - A system for monitoring a machine at a work site includes a prime mover, a ground-engaging drive mechanism to propel the machine, and a plurality of sensors. A controller generates propulsion commands to propel the machine about the work site in an autonomous or semi-autonomous manner and determines a plurality of performance characteristics of the machine. The controller further determines whether the plurality of performance characteristics meet a plurality of performance thresholds and generates an alert command if any of the plurality of performance characteristics do not meet the plurality of performance thresholds. | 03-17-2016 |
20160076893 | System and Method for Setting an End Location of a Path - A system for setting an end location of a path of operation of a machine at a work site includes a position sensor configured to determine a position of a path at the work site and a controller. The controller is configured to determine a position of a first path and a position of a second path, the first path and the second path defining a pair of paths on opposite sides of the path of operation and determine a physical characteristic of the pair of paths based upon the position of the first path and the position of the second path. The controller is further configured to determine whether the physical characteristic of the pair of paths is less than a threshold characteristic and set the end location of the path of operation if the physical characteristic of the pair of paths is less than the threshold characteristic. | 03-17-2016 |
20160077513 | System and Method for Optimizing a Work Implement Path - A system for determining an optimized cut location for a work implement includes a position sensor and a controller. The controller is configured to determine the position of a work surface and determine a plurality of potential cut locations along a path between an initial cut location and an end location. The controller is further configured to determine an efficiency for moving an amount of material for each of the initial cut location and the plurality of potential cut locations based upon the amount of material to be moved, a parameter associated with moving the amount of material, and a loading profile, and select the optimized cut location from one of the initial cut location and the plurality of potential cut locations based upon the efficiency of each of the initial cut location and the plurality of potential cut locations. | 03-17-2016 |
20160077514 | System and Method for Optimizing a Work Implement Path - A system for determining an optimized cut location for a work implement includes a position sensor and a controller. The controller is configured to determine the position of a work surface and perform a coarse analysis along a path based upon the position of the work surface and a coarse analysis parameter threshold to select a selected coarse analysis increment. The controller is further configured to perform a fine analysis along the selected coarse analysis increment based upon the position of the work surface and a fine analysis parameter threshold to select the optimized cut location. | 03-17-2016 |
20160090714 | SEMI-AUTONOMOUS TRACTOR SYSTEM CREST RAMP REMOVAL - A computer-implemented method for removing a crest end ramp along a work surface using a machine is provided. The computer-implemented method may include defining a volume threshold corresponding to a crest end region of the work surface where the volume threshold may be adjustable based on one or more parameters associated with the machine and the work surface, calculating a volume of material within the crest end region, comparing the calculated volume with the volume threshold, issuing a ramp cut if the calculated volume approximates but does not exceed the volume threshold, and issuing a short cut if the calculated volume exceeds the volume threshold. | 03-31-2016 |
Patent application number | Description | Published |
20100076708 | Machine sensor calibration system - A sensor calibration system for a mobile machine is disclosed. The sensor calibration system may have a positioning device configured to determine a desired sensing location on the mobile machine, a calibration object, and a sensor configured to sense a characteristic of the calibration object from an actual sensing location on the mobile machine and to generate a corresponding signal. The sensor calibration system may also have a controller in communication with the sensor and the positioning device. The controller may be configured to compare the characteristic sensed from the actual sensing location to a known characteristic associated with the desired sensing location, and to determine a difference between the actual sensing location and the desired sensing location based on the comparison. The controller may further be configured to correct subsequent signals generated by the sensor based on the difference. | 03-25-2010 |
20100076709 | Machine sensor calibration system - A sensor calibration system for a mobile machine is disclosed. The sensor calibration system may have a first calibration object positioned at a first worksite location, a second calibration object positioned at a second worksite location, and a plurality of sensors located onboard the mobile machine to detect the first and second calibration objects. The sensor calibration system may also have a controller in communication with the plurality of sensors. The controller may be configured to calibrate at least one of the plurality of sensors when the mobile machine is proximate the first worksite location, and to calibrate at least one other of the plurality of sensors when the mobile machine is proximate the second worksite location. | 03-25-2010 |
20100076710 | Machine sensor calibration system - A sensor calibration system for a mobile machine is disclosed. The sensor calibration system may have a first machine mounted sensor configured to sense a characteristic of an offboard object and to generate a corresponding signal, and a second machine mounted sensor configured to sense the characteristic of the offboard object and to generate a corresponding signal. The sensor calibration system may also have a controller in communication with the first and second machine mounted sensors. The controller may be configured to compare the characteristic of the offboard object as sensed by the first machine mounted sensor to the characteristic of the offboard object as sensed by the second machine mounted sensor, and to correct subsequent signals received from the first machine mounted sensor based on the comparison. | 03-25-2010 |
20120299702 | HYBRID POSITIONING SYSTEM - A system for determining a position of a machine within a job site comprises at least one position monitoring device configured to collect information indicative of a location of the machine and a processor, communicatively coupled to the at least one position monitoring device. The processor is configured to estimate a location of the machine based on the received information using a first positioning technique. The processor is also configured to determine a first error value associated with the estimated location of the machine and compare the first error value with a threshold error level. If the first error value exceeds the threshold error level, the processor is configured to receive second information indicative of the location of the machine and determine the location of the machine based on the received second information, wherein the location of the machine is determined using a second positioning technique. | 11-29-2012 |
20130173201 | MACHINE SENSOR CALIBRATION SYSTEM - A sensor calibration system for a mobile machine is disclosed. The sensor calibration system may have a first machine mounted sensor disposed on the mobile machine and configured to sense a characteristic of an offboard object and to generate a corresponding signal, and a second machine mounted sensor disposed on the mobile machine and configured to sense the characteristic of the offboard object and to generate a corresponding signal. The sensor calibration system may also have a controller in communication with the first and second machine mounted sensors. The controller may be configured to compare the characteristic of the offboard object as sensed by the first machine mounted sensor to the characteristic of the offboard object as sensed by the second machine mounted sensor, and to correct subsequent signals received from the first machine mounted sensor based on the comparison. | 07-04-2013 |
20130311031 | SYSTEM FOR AUTOMATED EXCAVATION PLANNING AND CONTROL - A control system is disclosed for a mobile excavation machine operating at a worksite. The control system may have a locating device mounted on the mobile excavation machine that is configured to generate a signal indicative of a current position of the mobile excavation machine at the worksite during completion of an excavation plan. The control system may also have a controller in communication with the locating device and the mobile excavation machine. The controller may be configured to autonomously control the mobile excavation machine based on the excavation plan, and to determine a volume of material missed during completion of a first cut of the excavation plan based on the signal. The controller may be further configured to adjust a characteristic of a second cut of the excavation plan based on the volume of material missed during completion of the first cut of the excavation plan. | 11-21-2013 |
20140012404 | METHODS AND SYSTEMS FOR MACHINE CUT PLANNING - A system for determining a cut location for a machine implement is disclosed. The system may have one or more memories that store instructions and one or more processors that are capable of executing the instructions. The one or more processors may be configured to select a first potential cut location for a machine implement to begin modifying a work surface, and determine a profile extending from the selected first cut location to an end location along which the machine implement will travel to modify the work surface. The one or more processors may be further configured to calculate a volume of material that will be moved by the machine implement as it travels along the profile, and select, based on the calculated volume of material, a second potential cut location for the machine implement to begin modifying the work surface. | 01-09-2014 |
20150354169 | SUB-BIN REFINEMENT FOR AUTONOMOUS MACHINES - A computer-implemented method for determining a cut location for a machine implement is provided. The method may include comparing a target cut volume to a projected cut volume associated with each boundary of a selected bin, designating the cut location as the boundary most closely approximating the target cut volume if both of the projected cut volumes at the boundaries are either greater than or less than the target cut volume, and designating the cut location as an average of the boundaries if the projected cut volumes at the boundaries are greater than and less than the target cut volume. | 12-10-2015 |
20160069042 | Intelligent Pass Jump Control - A system for controlling an earthmoving machine is provided. The system includes a positioning system and a controller. The controller is configured to receive the position signals from the positioning system, store the position signals in a pass history, and determine, based on pass history, an actual profile of the work surface. The controller is further configured to determine, based on the actual profile of the work surface in the pass history, existence of a first condition, the first condition exists when the actual profile has a first volume having a height above a threshold for an upper pass, and existence of a second condition, the second condition exists when the actual profile has a valley having a floor lower than the threshold for the upper pass. The controller is configured to direct the earthmoving machine to operate based on the lower pass if the first and second conditions exist. | 03-10-2016 |
20160069045 | Automatic Ripping Pass Detection - A computer-implemented method for automatically detecting a need for a ripping pass to be performed by a machine along a work surface is provided. The method may include monitoring one or more of machine parameters of the machine and profile parameters of the work surface, determining whether one or more predefined trigger conditions suggestive of the need for the ripping pass are met based on the machine parameters and the profile parameters, and generating a ripping pass request if one or more of the trigger conditions are satisfied. | 03-10-2016 |