Patents
Sitemap › G01 - Measuring; Testing › G01S - Radio direction-finding; Radio navigation; Determining distance or velocity by use of radio waves; Locating or presence-detecting by use of the reflection or reradiation of radio waves; Analogous arrangements using other waves › G01S 1 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
Patents for G01S 1 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith (15,825)
08/2000
08/30/2000EP1031849A1 Device for receiving signals from satellite radio-navigation systems
08/30/2000EP1031848A1 Method for increasing interference immunity when receiving signals from satellite navigation systems and device for realising the same
08/30/2000EP1031845A2 Receiver calibration technique for glonass
08/30/2000EP1031202A2 Fast acquisition of direct sequence spread spectrum signals
08/29/2000US6112095 Signature matching for location determination in wireless communication systems
08/29/2000US6111543 Method and device for analysing radio navigation signals
08/29/2000US6111540 Combined GPS positioning system and communications system utilizing shared circuitry
08/29/2000US6111538 Cellular positioning system (CPS)
08/24/2000WO2000049738A1 Autonomous data-aided gps signal acquisition method
08/24/2000WO2000049737A1 Gps signal acquisition method and system
08/24/2000WO2000049695A1 Gps signal acquisition method and system
08/24/2000WO2000049680A1 Rearview mirror with integrated microwave receiver
08/24/2000WO2000021223A3 Method and apparatus to communicate auxiliary and location information between cellular telephone network and global positioning system
08/23/2000EP1030186A2 GPS navigation system for space application
08/23/2000EP0900389B1 Method and apparatus for distance measurement
08/22/2000US6108557 Signature matching for location determination in wireless communication systems
08/22/2000US6107960 Reducing cross-interference in a combined GPS receiver and communication system
08/17/2000WO2000048017A1 Method and apparatus for gps assistance in a communication system
08/17/2000WO2000048014A2 A deeply-integrated adaptive ins/gps navigator with extended-range code tracking
08/16/2000EP1028325A2 Method of surveying a train track
08/16/2000EP1027636A1 Method and device for locating and guiding a mobile unit equipped with a linear camera
08/16/2000CN1263019A Method for measuring guide track
08/15/2000US6104344 Efficient storage and fast matching of wireless spatial signatures
08/15/2000US6104340 GPS receiver and method for processing GPS signals
08/15/2000US6104338 Method and apparatus for operating a satellite positioning system receiver
08/10/2000DE19948230A1 Radio receiver for two different navigation satellite signals has separate parallel input circuits so that incoming signals may be selected by input circuits using high-frequency input chips
08/09/2000CN1262734A Portable navigation system comprising direction detector, position detector and database
08/08/2000US6101390 Calibration table generation for wireless location determination
08/08/2000US6101178 Pseudolite-augmented GPS for locating wireless telephones
08/03/2000WO2000045191A2 Method and apparatus for measurement processing of satellite positioning system (sps) signals
08/02/2000EP1023612A1 Reduced global positioning system receiver code shift search space for a cellular telephone system
08/01/2000US6097974 Combined GPS and wide bandwidth radiotelephone terminals and methods
08/01/2000US6097338 Instrument landing system glide path transmitter device
08/01/2000US6097336 Method for improving the accuracy of a wireless location system
07/2000
07/27/2000WO2000014564A3 Movable subscriber device location using dual satellites
07/26/2000EP1021733A1 Monitoring method and apparatus
07/26/2000CN1261435A A cellular positioning system that compensates for received signal delays in positioning radio receivers
07/25/2000US6094168 Position determining system
07/25/2000US6094162 Low-power satellite-based geopositioning system
07/20/2000WO2000042445A1 A method of and system for estimating a time of arrival of a radio signal
07/19/2000EP1020038A1 Systems and methods for sharing reference frequency signals within a wireless mobile terminal between a wireless transceiver and a global positioning system receiver
07/18/2000US6091785 Receiver having a memory based search for fast acquisition of a spread spectrum signal
07/18/2000US6091362 Bandwidth synthesis for wireless location system
07/18/2000CA2224989C System for enhancing navigation and surveillance in low visibility conditions
07/13/2000WO2000041417A1 Directed retry method for use in a wireless location system
07/13/2000WO2000041404A2 Efficient demodulation techniques for a wireless location system
07/13/2000WO2000041403A2 Calibration for wireless location system
07/13/2000WO2000041402A2 A signal collection system
07/13/2000WO2000041319A2 Multiple demodulation protocols for a wireless location system
07/13/2000WO2000040993A1 Method for improving the wireless location system
07/13/2000WO2000040992A1 Location method for a wireless location system
07/13/2000WO2000040991A1 Bandwidth synthesis for wireless location system
07/13/2000WO2000017668A3 Medium earth orbit augmentation of a global positioning system for global navigation
07/11/2000US6087983 System for broadcasting GPS data to a pager
07/06/2000WO2000039667A1 Code generator
07/05/2000EP1016872A1 Method and device to determine the position of at least one emitter of pulsed signals
07/05/2000EP1015908A1 Highly parallel gps correlator system and method
07/05/2000EP0986733A4 Robust accurate gps time reference for space application
07/04/2000US6085146 Information receiving method, navigation apparatus and motorcar
07/04/2000US6084927 Suppression of multipath signal effects
07/04/2000US6084547 Enhanced position calculation
07/04/2000US6084546 Location determination in wireless communication systems using velocity information
07/04/2000US6084542 Global positioning system recorder
06/2000
06/29/2000WO2000037963A1 Digital correlator
06/29/2000WO2000037961A1 A self-calibrating reference terminal
06/29/2000WO2000037960A2 Vehicle system incorporating voice and data communication
06/27/2000US6081691 Receiver for determining a position on the basis of satellite networks
06/27/2000US6081229 System and method for determining the position of a wireless CDMA transceiver
06/27/2000US6081228 Receiver phase-noise mitigation
06/22/2000WO2000036431A1 Method and apparatus for acquiring satellite positioning system signals
06/22/2000WO1999053338A3 Method and apparatus for determining time in a satellite positioning system
06/21/2000EP1010988A2 Method and system for incorporating two-way ranging navigation as a calibration reference for GPS
06/20/2000US6078290 User-controlled GPS receiver
06/15/2000WO2000034932A1 Fleet position monitoring system
06/15/2000WO2000034799A1 Wireless location determination using spatial signature information
06/15/2000WO2000034740A2 Radio measuring method and auxiliary means for carrying out said method
06/15/2000DE19924208A1 Funkmeßverfahren und Hilfsmittel zur Durchführung des Verfahrens Funkmeßverfahren and tools for carrying out the method
06/15/2000DE19856621A1 Determining location of transmitter using several radio direction finders involves forming arithmetic mean of directions per radio direction finder for use in maximum likelihood estimation
06/15/2000DE19852715A1 Verfahren zur Aufdeckung und örtlichen Eingrenzung unerwünschter Funkaussendungen, zum Beispiel unerlaubter Mobilfunktelefonie Procedures for the detection and containment of undesirable local radio emissions, such as unauthorized mobile telephony
06/15/2000CA2320480A1 Wireless location determination using spatial signature information
06/14/2000EP1008862A1 Wireless assisted gps using a reference location
06/14/2000EP1008246A2 Jamming suppression of spread spectrum antenna/receiver systems
06/14/2000CN1256402A Method and system of calibrating reference for leading two-way range-finding navigation as GPS
06/13/2000US6075987 Stand alone global positioning system (GPS) and method with high sensitivity
06/13/2000US6075810 NRZ and biphase-L formatted hexaphase modulated GPS transmission method
06/08/2000WO2000033471A1 Receiver for ds-cdma signals in satellite navigation systems
06/08/2000WO2000033102A1 Receiver for ds-cdma signals
06/08/2000WO2000033030A1 Method for determining the co-ordinates of a satellite
06/07/2000CN1255976A Method of and system for determining route or travel by vehicle
06/07/2000CN1255641A Radio helping global positioning system of utilizing datum position
06/07/2000CN1255640A Method for positioing moving target
06/06/2000US6072431 Extensible GPS receiver system
06/02/2000WO2000031888A1 System and method for demodulating global positioning system signals
06/02/2000WO2000031564A1 Minimum safe altitude system and method
06/02/2000WO2000031561A1 Positioning system, positioning method and positioning device
06/02/2000CA2318628A1 Positioning system, positioning method and positioning device
05/2000
05/30/2000US6070079 Positioning apparatus used in a cellular communication system and capable of carrying out a positioning with a high accuracy in urban area
05/30/2000US6070078 Reduced global positioning system receiver code shift search space for a cellular telephone system
05/30/2000US6069583 Receiver for a navigation system, in particular a satellite navigation system
05/30/2000US6067852 Method and apparatus using slant-path water delay estimates to correct global positioning satellite survey error
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