Class / Patent application number | Description | Number of patent applications / Date published |
342357750 | Constructional details or hardware or software details of the signal processing chain (IPC) | 39 |
20100265135 | GLOBAL POSITIONING SYSTEM LOGGER - A global positioning system (GPS) logger includes a GPS module, a storage unit, a slot, a communication interface and a processing unit. The GPS module is configured for receiving a satellite signal and generating a log data including a position coordinate and a log time. The storage unit is configured for storing the log data. The slot is configured for an external storage media which stores a file including a time stamp to connect with the GPS logger. The communication interface is configured for an electronic device to electrically connect with the GPS logger so that the electronic device can exchange data with the GPS logger through the communication interface. The processing unit is electrically connected to the foresaid elements and configured for embedding the position coordinate in the file according to the log time and the time stamp while the file stored in the external storage media is accessed. | 10-21-2010 |
20110260917 | POSITION SIGNAL SAMPLING METHOD AND APPARATUS - A method of processing data signals suitable for providing positioning information comprises sequentially recording blocks of data samples of a satellite broadcast from the beginning of a period of time of interest, and storing them in memory. When the memory is full, previously stored blocks of data samples are overwritten, such that the average quantity of sample data decreases, and wherein the memory content includes blocks of data samples covering substantially the full period of time of interest. This method enables blocks of data samples to be kept in memory for a full period of interest (for example a journey) but allows a limited memory capacity. The use of the memory is intelligent and dynamic. | 10-27-2011 |
20120092216 | Alternate Radio Transmitter and Method for Operating the Same - An alternate radio transmitter includes a processor, a modulator, a PLL unit and a radio transmission unit. The processor provides a digital signal. The modulator modulates the digital signal, thus providing at least two modulated signals. The PLL unit mixes the modulated signals, thus providing an output signal. The radio transmission unit transmits the output signal. | 04-19-2012 |
20120293368 | MOBILE WIRELESS COMMUNICATIONS DEVICE INCLUDING ANTENNA ASSEMBLY HAVING SPACED APART PARALLEL CONDUCTOR ARMS AND RELATED METHODS - A mobile wireless communications device may include a portable housing, at least one wireless transceiver carried by the portable housing, and at least one satellite positioning signal receiver carried by the portable housing. The mobile wireless communications device may also include an antenna assembly carried by the portable housing. The antenna assembly may include a base electrical conductor having a pair of antenna feed points defined therein and coupled to the at least one wireless transceiver and the at least one satellite signal positioning receiver. The antenna assembly may also include first and second conductor arms being spaced apart, parallel, and extending outwardly from the base electrical conductor. | 11-22-2012 |
20120306696 | Method and System for Integrated Glonass and GPS Processing - An integrated global navigation satellite system (GNSS) receiver may be operable to decompose GNSS IF signals associated with GPS satellites and/or GLONASS satellites into a constituent narrowband GPS data stream and/or a plurality of constituent narrowband GLONASS data streams utilizing, for example, a GPS IF tuner and/or one or more GLONASS IF tuners. The narrowband GLONASS data streams and/or the narrowband GPS data stream may be processed at reduced sampling rates utilizing a shared sample memory in the integrated GNSS receiver. The narrowband GLONASS data streams and/or the narrowband GPS data stream may be stored in allocated sections of the shared sample memory. The stored narrowband GLONASS data streams and/or the stored narrowband GPS data stream may be processed using a correlation such as a fast Fourier transform (FFT) correlation. | 12-06-2012 |
20130194133 | GPS LOCATION SYSTEM USING MODAL ANTENNA - A modal antenna is implemented to provide a variable radiation pattern for improved GPS (Global Positioning System) signal reception. A multitude of antenna radiation patterns generated from a modal antenna provide the capability to optimally acquire GPS signals across a wide range of angles of arrival. Minimum radiation pattern roll-off is observed from the composite pattern generated from the multiple patterns. An algorithm is described that reduces the acquisition time for a location fix for cold and hot start conditions. | 08-01-2013 |
20140300515 | RIGID ELEMENTS EMBEDDED IN A WINDSHIELD - A windshield with rigid elements embedded therein, including an upper layer of glass, a lower layer of glass, one or more rigid elements positioned between the two layers of glass, a layer of interlayer material surrounding the rigid elements cured between the two layers of glass, wherein the width of the interlayer material is equal or greater than the width of the rigid elements. | 10-09-2014 |
20150130662 | SEMICONDUCTOR DEVICE - A semiconductor device includes: a substrate; a first layer that is stacked on the substrate and includes an inductor; and a bump group that is arranged above the the first layer, wherein the bump group includes a plurality of bumps that are arranged under a predetermined rule, and at least one bump that is different from the plurality of bumps and whose center does not overlap the inductor when the semiconductor device is viewed in a plan view from a direction vertical to a plane on which the bump group is provided. | 05-14-2015 |
20150331114 | SYSTEMS AND METHODS FOR DYNAMICALLY DETERMINING POSITION - A system and method of dynamically determining a position. At least some of the illustrative embodiments are systems comprising a host processor, a sensor configured to send signals indicative of the position of the system to the host processor, an antenna configured to receive signals from GPS satellites, a GPS subsystem coupled to the antenna; wherein the GPS subsystem and host processor are coupled and are configured to make a position determination. | 11-19-2015 |
342357760 | Relating to the receiver frond end (IPC) | 6 |
20100253578 | NAVIGATION DATA ACQUISITION AND SIGNAL POST-PROCESSING - A navigation system comprises a radio receiver for the data acquisition of navigation satellite signals, a memory in which to store samples of those signals, and a post-processing unit to replay and signal-process the data in the memory to extract an original position fix for the radio receiver when it acquired the original navigation satellite signals. | 10-07-2010 |
20100328155 | RECEIVE DIVERSITY IN GNSS RECEIVERS - The subject matter disclosed herein relates to receiving one or more SPS signals at two or more physically separated antennae. In an aspect, signals from the physically separated antennae may be downconverted into complex digital signals that may undergo further processing to improve one or more performance metrics related to position estimation operations, for example. | 12-30-2010 |
20130141280 | Method of Inter-Channel Bias Calibration in a GNSS Receiver and Related Device - A method of inter-channel bias (ICB) calibration in a global navigation satellite system (GNSS) receiver, the method comprises receiving a plurality of GNSS radio-frequency (RF) signals, converting the plurality of GNSS RF signals into a plurality of GNSS baseband signals utilizing an RF front-end processing unit, generating a measurement result according to the plurality of GNSS baseband signals utilizing a baseband processing unit, and calibrating the measurement result utilizing a plurality of pre-determined inter-channel biases. | 06-06-2013 |
20130176171 | GNSS SUPERBAND ASIC AND METHOD WITH SIMULTANEOUS MULTI-FREQUENCY DOWN CONVERSION - A multi-frequency down converter includes first and second signal paths. A common local oscillator/synthesizer drives both of the signal paths. Exemplary applications include GNSS systems operating across superbands. The down converter is adapted for use in a GNSS receiver system. | 07-11-2013 |
20130328720 | Satellite Positioning with Mixed Capture-Parameters - A method of recording satellite signals for later processing to derive position information. According to one aspect, the method comprises receiving and digitising first and second satellite signals using a first set of parameters; and receiving and digitising third and fourth satellite signals using a second set of parameters. A first time interval between the first and second satellite signals is longer than a second time interval between the reception of the third and fourth satellite signals. The first set of parameters is associated with relatively higher resource usage, while the second set of parameters is associated with relatively lower resource usage. | 12-12-2013 |
20140176364 | METHODS OF PROCESSING A RADIO FREQUENCY SIGNAL, SIGNAL PROCESSING DEVICES FOR CARRYING OUT THE METHODS, RADIO FREQUENCY FRONT-ENDS, RADIO RECEIVERS AND GNSS RECEIVERS - A radio frequency signal is frequency-translated to form a complex first intermediate signal where a frequency corresponding to a GPS center frequency is at an intermediate frequency. In a multiplexing conversion unit a complex multiplexed conversion signal which assumes different conversion frequencies is derived from a clock signal where the frequency of the latter is divided alternately by one of two divisors in a divider circuit and further by two in a phase shifter. The conversion signal is mixed with the first intermediate signal in a conversion mixer to provide a multiplexed second intermediate signal where, depending in each case on the conversion frequency, a frequency corresponding to a GLONASS center frequency and a frequency corresponding to a BeiDou center frequency are alternately shifted close to the intermediate frequency. The first intermediate signal and the second intermediate signal are then processed in a baseband unit. | 06-26-2014 |
342357770 | Hardware or software details of the signal processing chain (IPC) | 24 |
20100214168 | ANTENNA COMBINATION FOR A MOBILE GNSS STATION AND MOBILE GNSS STATION - The invention relates to a mobile geodetic GNSS measuring station ( | 08-26-2010 |
20100271261 | Antenna Selection for GNSS Receivers - Embodiments of the invention provide a system and method to improve the performance of a GNSS receiver using antenna switching. The system has a plurality of antennas and at least one radio frequency RF chain. There are fewer RF chain(s) than antennas. A receiver processes a plurality of signals sent by a plurality of transmitters. The system also includes antenna switches and switch controller. The method includes processing signals from a plurality of satellite vehicles SVs using an antenna selected from a plurality of antennas. | 10-28-2010 |
20100295727 | PROCESSING RECEIVED SATELLITE RADIO SIGNALS - A method of processing received satellite radio signals is disclosed in which signals are received the signals from plural satellites through a common antenna. The received signals are digitised to produce a time-series of digitised signal samples and a plurality of replicas representing the signals of each of the plurality of satellites are obtained. At least one sample is selected from each of the replicas and the elements of a register are set equal to the selected replica samples. Thereafter, in turn, for each one of said digitised signal samples, the value of the digitised signal sample is combined with each of the values of the elements of the register to produce corresponding modified values; and the modified values corresponding to each of said register elements are accumulated. | 11-25-2010 |
20100328156 | SYSTEM FOR DEMODULATING NAVIGATION BITS FROM SATELLITE SIGNALS - A signal processing system for demodulating navigation bits from a satellite signal is disclosed herein. The signal processing system includes a digital baseband processor for determining a boundary between two navigation bits in the navigation bits according to a first plurality of coarse acquisition (C/A) codes captured from the satellite signals, storing the first plurality of C/A codes, and demodulating a second plurality of C/A codes captured after determining the boundary to recover a first series of the navigation bits. The signal processing system further includes a complementary demodulating unit coupled to the digital baseband processor for demodulating the first plurality of C/A codes to recover a second series of the navigation bits. | 12-30-2010 |
20110012786 | DIGITAL BEAM-FORMING APPARATUS AND TECHNIQUE FOR A MULTI-BEAM GLOBAL POSITIONING SYSTEM (GPS) RECEIVER - An advanced multiple-beam GPS receiving system is achieved that is capable of simultaneously tracking multiple GPS satellites independently, detecting multiple interference signals individually, and suppressing directional gain in the antenna pattern of each beam in the interference directions. The GPS receiving system can be used for both planar and non-planar receiving arrays, including arrays that are conformally applied to the surface of a platform such as an aircraft. The GPS receiver combines spatial filtering and acquisition code correlation for enhanced rejection of interfering sources. Enhanced gain in the direction of GPS satellites and the ability to shape the beam patterns to suppress gain in the direction of interfering sources make the GPS receiving system largely insensitive to interfering and jamming signals that plague conventional GPS receivers. | 01-20-2011 |
20110018765 | GNSS RECEIVER AND EXTERNAL STORAGE DEVICE SYSTEM AND GNSS DATA PROCESSING METHOD - A GNSS system includes a receiver connected to an external mass storage device. Applications for the system, including GNSS data processing methods are also disclosed. The external storage device can comprise a flash (thumb) drive, which can be connected to the receiver via a USB interconnection. | 01-27-2011 |
20110032148 | TRIGGERED SATELLITE POSITIONING - A method of processing signals from a satellite positioning system. The method comprises using a processing method dependent on one or more parameters of a first trigger signal in addition to its timing. The processing method may comprise controlling how data is captured and stored and/or how data is subsequently processed. | 02-10-2011 |
20110050496 | Energy Domain Based Peak Reconstruction Methods And Apparatuses - Methods and apparatus are provided for use in devices enabled to perform waveform correlation processing of satellite positioning system (SPS) signals, including peak reconstruction. | 03-03-2011 |
20110148702 | METHOD AND SYSTEM FOR POLAR QUANTIZATION FOR GNSS DATA - A global navigation satellite system (GNSS) receiver may be operable to quantize two-dimensional GNSS sample data with an in-phase (I) and quadrature (Q) pair to two-dimensional quantized data with a magnitude and angle pair using the polar quantization, for example, an unrestricted polar quantization. The GNSS receiver may be operable to reduce a size of the two-dimensional quantized data for storage by representing the two-dimensional quantized data by the one-dimensional symbol data. The one-dimensional symbol data may be stored in a random access memory (RAM) for further processing. The I and Q pair associated with the one-dimensional symbol data stored in the RAM may be retrieved and processed by the GNSS receiver using a correlation such as a fast Fourier transform (FFT) correlation. | 06-23-2011 |
20110193745 | METHOD OF PROCESSING A DIGITAL SIGNAL DERIVED FROM AN ANALOG INPUT SIGNAL OF A GNSS RECEIVER, A GNSS RECEIVER BASE BAND CIRCUIT FOR CARRYING OUT THE METHOD AND A GNSS RECEIVER - An acquisition unit of a GNSS receiver base band circuit includes an integrator with a number of preprocessors where an incoming digital signal is mixed with different frequency signals to compensate at least in part for clock drift and Doppler shifts. The resulting digital signals are, after an accumulation step reducing sample frequency, integrated over an integration period extending over several basic intervals of the length of a basic sequence characteristic for a GNSS satellite, so that samples separated by a multiple of the basic interval are superposed. The resulting data sequence of 1,023 digital values is stored in one of two memories and then, in mixers, sequentially shifted by post-integration frequencies which are multiples of the inverse of the length of the basic interval. The pre-integration frequencies employed in the preprocessors deviate, with one possible exception, from the post-integration frequencies and are usually smaller. | 08-11-2011 |
20110205116 | SATELLITE NAVIGATION DEVICE - A pseudo range is corrected with high accuracy using a pseudo range correction method that incorporates carrier smoothing. A code pseudo range correction unit ( | 08-25-2011 |
20110241938 | Sequential Chip Correlation Array - An arrangement of M signal generators in a global navigation satellite signal baseband chip for obtaining a sequential chip correlation array is provided. The sequential chip correlation array generates M×N code bit sequences, M in-phase and M quadrature-phase carrier mixed signals. The M signal generators are arranged consecutively. A programmable parameter is created for providing a spacing of T | 10-06-2011 |
20110248888 | SHARED MEMORY DEVICE APPLIED TO FUNCTIONAL STAGES CONFIGURED IN A RECEIVER SYSTEM FOR PROCESSING SIGNALS FROM DIFFERENT TRANSMITTER SYSTEMS AND METHOD THEREOF - A shared memory device for a receiver system is disclosed. The receiver system is configured to have a first functional stage and a second functional stage for processing information carried by signals transmitted from a first transmitter system through a first carrier frequency and a second transmitter system through a second carrier frequency respectively. The shared memory device has a memory space, allocated to be commonly shared by the first functional stage and the second functional stage, for buffering processing data generated from the first functional stage or the second functional stage. | 10-13-2011 |
20110254734 | Software GNSS Receiver for High-Altitude Spacecraft Applications - A system that provides GPS-based navigation/orbit determination capabilities for high-altitude spacecraft. The system uses an existing spacecraft processor and an easy-to-space-qualify minimum-hardware front end to minimize the need for new space-qualified hardware. The system also uses coherent integration to acquire and track the very weak GPS signals at high altitudes. The system also uses diurnal thermal modeling of a spacecraft clock and precision orbit propagation to enable longer coherent integration, a special Kalman filter to allow weak signal tracking by integrated operation of orbit determination and GPS signal tracking, and a segment-by-segment, post-processing, delayed-time approach to allow a low-speed spacecraft processor to provide the software GPS capability. | 10-20-2011 |
20110273333 | PIEZOELECTRIC OSCILLATOR, GPS RECEIVER DEVICE, AND ELECTRONIC APPARATUS - A piezoelectric oscillator includes: a piezoelectric resonator; a storage unit that stores temperature compensation data used for specifying frequency-temperature characteristics of the piezoelectric resonator therein; a temperature compensation circuit; a voltage-controlled oscillation circuit that oscillates the piezoelectric resonator and controls an oscillation frequency of the piezoelectric resonator based on an oscillation control voltage; and a power source control unit that controls so as to supply a power source voltage to the temperature compensation circuit or so as not to supply the power source voltage to at least a part of the temperature compensation circuit based on a control signal transmitted from the outside, wherein the temperature compensation voltage is supplied as the oscillation control voltage to the voltage-controlled oscillation circuit in synchronization with a period during which the power source voltage is supplied to the temperature compensation circuit. | 11-10-2011 |
20110279317 | HIGH SENSITIVITY SATELLITE POSITIONING SYSTEM RECEIVER - An attenuated satellite positioning system (SPS) signal is acquired using long integration over multiple navigation data bits. To produce a stable internal clock signal to perform the long integration, an external clock signal is received from a highly stable source, such as a wireless communication base station or a nearby femtocell. An internal oscillator is driven at a desired frequency that is aligned with the scaled frequency of the external clock signal to produce the stable internal clock signal. The SPS signal is received and integrated for an extended period using the internal clock signal. Predicted SPS data may be received from an external source and used to perform coherent integration. Alternatively, non-coherent integration may be performed. Additionally, a motion sensor may be used to determine if there is motion relative to the external clock source or to compensate for Doppler errors in the external clock signal due to motion. | 11-17-2011 |
20110279318 | METHOD AND APPARATUS FOR A GPS RECEIVER CAPABLE OF RECEPTION OF GPS SIGNALS AND BINARY OFFSET CARRIER SIGNALS - A system and method capable of mitigating the migration from the current GPS system to the Galileo system and allow a single satellite system positioning receiver to process both GPS signals and Galileo signals. | 11-17-2011 |
20110309978 | GNSS RECEIVER - To realize a GNSS receiver that can perform further optimal correlation processing on a positioning signal phase-modulated by a CBOC signal. A correlation processing module | 12-22-2011 |
20110316742 | TEMPERATURE SENSOR FOR OSCILLATOR AND FOR SATELLITE POSITIONING CIRCUITRY - An apparatus and a method, the apparatus comprising: a temperature compensated oscillator; satellite positioning circuitry; and a temperature sensor configured to provide a first control output to the temperature compensated oscillator and to provide a second control output to the satellite positioning circuitry. | 12-29-2011 |
20120188127 | GLOBAL POSITIONING SYSTEM RECEIVER TIMELINE MANAGEMENT - Satellite positioning system (SATPS) receiver that has a plurality of modes and channels, where a timeline module configures the channels based on the mode of operation of the SATPS receiver and reconfigures the channels if the mode of operation of the SATPS changes. | 07-26-2012 |
20120194384 | GPS Baseband Architecture - A GPS baseband architecture provides flexibility and power consumption and chip area usage advantages. The GPS baseband architecture includes a first stage having a preamplifier coupled to a low noise amplifier, which is coupled to a mixer. A PLL provides the mixer with a frequency to convert a signal to a higher intermediate (IF) frequency. The output of the mixer is fed to a poly-phase filter. The output of the poly-phase filter is fed to a programmable gain amplifier (PGA), whose output is fed to an analog-to-digital converter (ADC) to produce an output GPS signal. A saturation bit of the ADC is used to control the PGA through a digital amplifier gain control (AGC) circuit. | 08-02-2012 |
20120293369 | SYSTEM, METHOD AND COMPUTER PROGRAM FOR NAVIGATION DATA BIT SYNCHRONIZATION FOR A GNSS RECEIVER - The present invention relates to navigation data bit synchronization for a GNSS receiver and more specifically to a software-based GNSS receiver that is operable to rapidly achieve accurate navigation data bit synchronization. It provides a system, method and computer program for navigation data bit synchronization for a GNSS receiver. The system comprises a navigation bit synchronization engine operable to detect one or more indicators in one or more data samples received from a GNSS satellite. The location of the navigation bit is derivable from the one or more indicators. The bit synchronization engine may include one or more of (i) a coarse search utility, (ii) a regular search utility, (iii) a fine search utility and (iv) a bit-edge prediction utility. | 11-22-2012 |
20150338523 | Electronic Device Having Array of Satellite Navigation System Antennas - An electronic device may be provided with wireless circuitry. The wireless circuitry may include a pair of antennas. The antennas may be formed from inverted-F antenna resonating elements located along one of the peripheral edges of a device housing. The housing may be formed of metal and may serve as an antenna ground for the antennas. The antennas may be used to receive satellite navigation system signals that are processed by a satellite navigation system receiver. An orientation sensor may be used to gather information on the orientation of the electronic device relative to the Earth. Information on received signal strength may be obtained from the satellite navigation system receiver. Based on orientation information or received signal strength information or other information, switching circuitry may be adjusted to switch an optimum one of the antennas into use or phase shifter circuitry may be adjusted to optimize signal reception. | 11-26-2015 |
20160033651 | REASSIGNING LICENSE FOR GNSS ACCURACY IMPROVEMENT SERVICE - In one embodiment, a method comprising maintaining a subscription pool, the subscription pool comprising a first plurality of subscriptions for mutually exclusive access by a second plurality of remotely-located global navigation satellite systems (GNSS) receiver systems, each subscription enabling an improvement in a base accuracy of a respective GNSS receiver among the second plurality of GNSS receiver systems, wherein the first plurality is less than the second plurality; receiving over a network a request for access to the subscription pool; determining if a subscription is available from the subscription pool; enabling access to an available subscription from the subscription pool; and updating the subscription pool responsive to the enabled access. | 02-04-2016 |