Quotables
"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 8098716 | Method and apparatus for providing an energy-based signal tracking loop A method and apparatus for tracking a signal comprises correlating a digital signal with a code using a hypothesis at a plurality of frequencies and at least one delay to produce correlation results, measuring an energy value of the correlation results, adjusting at... | 01/17/2012 |
| 8090536 | Method and apparatus for compression of long term orbit data A method and apparatus for processing long term orbit data that is valid for an extended period of time into the future (i.e., long term orbit data). The long term orbit data is processed by reducing redundant information from the data to form compressed long term o... | 01/03/2012 |
| 8085884 | Method and apparatus for processing satellite positioning system signals to obtain time information A method and apparatus for processing satellite positioning system signals at a mobile receiver is described. In one example, first bit-transitions within satellite navigation data transmitted by at least one satellite are estimated at the mobile receiver. A bit pat... | 12/27/2011 |
| 8085195 | Method and apparatus for providing a global secure user plane location (SUPL) service A method and apparatus for providing assistance data for satellite positioning system receivers utilizing a secure user plane location (SUPL) service. In one embodiment, the assistance data is supplied by a global secure user plane location center that contains glob... | 12/27/2011 |
| 8085194 | Method and system for a virtual wide area GNSS reference network A GNSS enabled mobile device receives GNSS assistance data in a determined format from a central processing station communicatively coupled to a wide area reference network (WARN). The WARN comprises a first plurality of GNSS tracking stations from which usable sign... | 12/27/2011 |
| 8064860 | Method and apparatus for adjusting reference oscillator frequency in a mobile wireless device A method and apparatus for using a conventional oscillator in a cellular telephone transceiver as a source of a reference signal for a GPS receiver. In one embodiment, the method comprises using a voltage-controlled oscillator (“VCXO”) within a cellular telephon... | 11/22/2011 |
| 8041370 | Method and apparatus for locating position of a mobile device in an assisted satellite positioning system Method and apparatus for locating position of a mobile device in an assisted satellite positioning system is described. In one example, satellite measurement data is obtained from a plurality of satellites at a mobile device. Position of the mobile device is compute... | 10/18/2011 |
| 8022867 | Satellite-positioning-system tracking device and method for determining a position of the same A global navigation satellite system-tracking (“GNSS-tracking”) device and method for determining one or more positions of the GNSS-tracking device utilizing a user-plane service is disclosed. The GNSS-tracking device may comprise: charging and tracking modules ... | 09/20/2011 |
| 8022866 | Method and system for doppler estimation Aspects of a method and system for Doppler estimation may include generating, in a GNSS receiver operating in a duty-cycle mode, a plurality of lag-m products that may be based on a plurality of correlation coefficients corresponding to one or more received signals,... | 09/20/2011 |
| 8009092 | Method and apparatus for processing satellite signals at a satellite positioning system receiver Method and apparatus for processing satellite signals in an SPS receiver is described. In one example, the satellite signals are correlated against pseudorandom reference codes to produce correlation results. A determination is made whether the SPS receiver is in a ... | 08/30/2011 |
| 8005174 | Method and apparatus for performing signal correlation using historical correlation data A method and apparatus for estimating a satellite signal parameter in a satellite positioning system receiver is described. In an example, a plurality of correlation results between a satellite signal and a reference signal is generated in response to a command from... | 08/23/2011 |
| 7995682 | Method and apparatus for performing signal processing using historical correlation data A method and apparatus for estimating a satellite signal parameter in a satellite positioning system receiver is described. In an example, a plurality of correlation results between a satellite signal and a reference signal is generated and stored in a memory. At le... | 08/09/2011 |
| 7994975 | Method and system for RF interference mitigation using a blanking watchguard A global navigation satellite system (GNSS) enabled mobile device may be operable to monitor and determine counts at which autoblank signals are asserted over time intervals corresponding to consecutive time windows during the RF interference mitigation process usin... | 08/09/2011 |
| 7973710 | Method for adjusting a measurement cycle in a satellite positioning system signal receiver A method for adjusting a measurement cycle in a satellite signal receiver is described. The method includes adjusting a measurement cycle in a satellite signal receiver by computing a position state comprising at least one of a velocity and a heading of the satellit... | 07/05/2011 |
| 7948434 | Method and system for maintaining a GNSS receiver in a hot-start state Aspects of a method and system for maintaining a GNSS receiver in a hot-start state are provided. A GNSS receiver in a standby mode may transition from a sleep state to a wakeup state to acquire ephemeris from, for example, GPS signals, GALILEO signals, and/or GLONA... | 05/24/2011 |
| 7945387 | Method and apparatus for distribution of satellite navigation data A method and apparatus for distributing satellite navigation data is described. In one example, satellite signals are processed at each of a plurality of reference stations to receive a respective plurality of satellite navigation data streams. Packets are formed in... | 05/17/2011 |
| 7940214 | Method and apparatus for determining absolute time-of-day in a mobile-assisted satellite positioning system A method and apparatus for determining time-of-day in a mobile receiver is described. In one example, expected pseudoranges to a plurality of satellites are obtained. The expected pseudoranges are based on an initial position of the mobile receiver and an initial ti... | 05/10/2011 |
| 7936850 | Method and apparatus for providing a digital automatic gain control (AGC) A method and apparatus for providing a digital automatic gain control (AGC) for a radio-frequency (RF) receiver. The receiver comprises a logarithmic analog-to-digital converter for sampling the analog RF signals, a FIR filter for filtering the digitized signals, a ... | 05/03/2011 |
| 7929492 | Method and apparatus for processing location service messages in a satellite position location system Method and apparatus for processing location service messages in a satellite position location system is described. In one example, a mobile receiver includes a satellite signal receiver, wireless circuitry, and at least one module. The satellite signal receiver is ... | 04/19/2011 |
| 7924947 | Method and apparatus for decoding satellite navigation data from a satellite positioning system Method and apparatus for decoding a bitstream of navigation data broadcast by a satellite positioning system satellite is described. In one example, a portion of a subframe in the navigation data for each of a plurality of occurrences of the subframe in the bitstrea... | 04/12/2011 |
| 7859454 | Method and system for calibrating group delay errors in a combined GPS and GLONASS receiver Aspects of a method and system for calibrating group delay errors in a combined GPS and GLONASS receiver are provided. The combined GPS and GLONASS receiver may be enabled to receive both GPS signals and GLONASS signals. GPS based navigation information may be calcu... | 12/28/2010 |
| 7848778 | Method and apparatus for adjusting reference oscillator frequency in a mobile wireless device A method and apparatus for using a conventional oscillator in a cellular telephone transceiver as a source of a reference signal for a GPS receiver. In one embodiment, the method comprises using a voltage-controlled oscillator (“VCXO”) within a cellular telephon... | 12/07/2010 |
| 7769076 | Method and apparatus for performing frequency synchronization A method and apparatus for performing frequency analysis of sub-epoch correlations to estimate an unknown frequency of a received signal is provided. The method includes forming a sequence of correlation values from a plurality of correlations performed over a perio... | 08/03/2010 |
| 7724846 | Method and apparatus for mitigating interference in a satellite signal receiver A method and apparatus for mitigating interference in a satellite signal receiver is described. The satellite signal receiver receives satellite signals from a plurality of satellites. In one example, data transmission of a wireless transceiver operating in proximit... | 05/25/2010 |
| 7719576 | Method and apparatus for tagging digital photographs with geographic location data A method and apparatus for tagging digital photographs with geographic location data is described. In one example, a digital camera includes an imaging unit, a radio frequency/intermediate frequency (RF/IF) front end, and a memory. The imaging unit is configured to ... | 05/18/2010 |
| 7714779 | Method and apparatus for providing a global secure user plane location (SUPL) service A method and apparatus for providing assistance data for satellite positioning system receivers utilizing a secure user plane location (SUPL) service. In one embodiment, the assistance data is supplied by a global secure user plane location center that contains glob... | 05/11/2010 |
| 7701389 | Method and apparatus for determining absolute time-of-day in a mobile-assisted satellite positioning system A method and apparatus for determining time-of-day in a mobile receiver is described. In one example, expected pseudoranges to a plurality of satellites are obtained. The expected pseudoranges are based on an initial position of the mobile receiver and an initial ti... | 04/20/2010 |
| 7688260 | Method and apparatus for locating position of a mobile device in an assisted satellite positioning system Method and apparatus for locating position of a mobile device in an assisted satellite positioning system is described. In one example, satellite measurement data is obtained from a plurality of satellites at a mobile device. Position of the mobile device is compute... | 03/30/2010 |
| 7672404 | Method and apparatus for reducing the time required to acquire a GPS signal A method of correlating a digital communications signal is described. In an example, a window is defined equal to a portion of an epoch of the digital communication signal. The digital communication signal is then correlated across the window. A determination is mad... | 03/02/2010 |
| 7656350 | Method and apparatus for processing a satellite positioning system signal using a cellular acquisition signal Method and apparatus for processing satellite positioning system signals is described. In one example, assistance data is received at a mobile receiver from a first wireless network using a wireless transceiver. The first wireless network may be a non-synchronized c... | 02/02/2010 |
| 7642959 | Method and apparatus for processing satellite signals at a satellite positioning system receiver Method and apparatus for processing satellite signals in an SPS receiver is described. In one example, the satellite signals are correlated against pseudorandom reference codes to produce correlation results. A determination is made whether the SPS receiver is in a ... | 01/05/2010 |
| 7640103 | Multi-function appliance for a satellite navigation data distribution system A multi-function appliance for use in a satellite navigation data distribution system is described. A computer includes an input/output interface and a memory the computer is configured with a plurality of modules. The plurality of modules includes a satellite signa... | 12/29/2009 |
| 7595752 | Method and apparatus for enhanced autonomous GPS Method and apparatus for locating position of a remote receiver is described. In one example, long term satellite tracking data is obtained at a remote receiver. Satellite positioning system (SPS) satellites are detected. Pseudoranges are determined from the remote ... | 09/29/2009 |
| 7589667 | Method and apparatus for monitoring the integrity of satellite tracking data used by a remote receiver A method and apparatus for monitoring the integrity of satellite tracking data used by a remote receiver is described. In one example, a first set of satellite tracking data is received at a server. Integrity data for a second set of satellite tracking data is gener... | 09/15/2009 |
| 7567636 | Method and apparatus for performing signal correlation using historical correlation data A method and apparatus for estimating a satellite signal parameter in a satellite positioning system receiver is described. In an example, a plurality of correlation results between a satellite signal and a reference signal is generated in response to a command from... | 07/28/2009 |
| 7554487 | Method and system for determining time in a satellite positioning system Method and apparatus for receiving an estimate of time in a satellite signal receiver receives an estimate of time from a server and compensates for error of a clock in the satellite signal receiver using the estimate of time. The output of the compensated clock is ... | 06/30/2009 |
| 7554934 | Method and apparatus for processing location service messages in a satellite position location system Method and apparatus for processing location service messages in a satellite position location system is described. In one example, a mobile receiver includes a satellite signal receiver, wireless circuitry, and at least one module. The satellite signal receiver is ... | 06/30/2009 |
| 7548816 | Method and apparatus for generating and securely distributing long-term satellite tracking information A method and apparatus for generating and distributing satellite tracking data to a remote receiver is disclosed. The method for includes extracting from memory at least a portion of long-term-satellite-tracking data, generating formatted data from the at least a po... | 06/16/2009 |
| 7447253 | Method and apparatus for processing satellite positioning system signals to obtain time information A method and apparatus for processing satellite positioning system signals at a mobile receiver is described. In one example, first bit-transitions within satellite navigation data transmitted by at least one satellite are estimated at the mobile receiver. A bit pat... | 11/04/2008 |
| 7443340 | Method and apparatus for generating and distributing satellite tracking information A method and apparatus for generating and distributing satellite tracking data to a remote receiver is disclosed. The method for includes extracting from satellite-tracking data initial model parameters representing a current orbit of at least one satellite-position... | 10/28/2008 |
