ATE533065T1 - Verfahren und system zum abliefern virtueller referenz-stations-daten - Google Patents

Verfahren und system zum abliefern virtueller referenz-stations-daten

Info

Publication number
ATE533065T1
ATE533065T1 AT04783868T AT04783868T ATE533065T1 AT E533065 T1 ATE533065 T1 AT E533065T1 AT 04783868 T AT04783868 T AT 04783868T AT 04783868 T AT04783868 T AT 04783868T AT E533065 T1 ATE533065 T1 AT E533065T1
Authority
AT
Austria
Prior art keywords
reference station
virtual reference
station data
data message
delivering virtual
Prior art date
Application number
AT04783868T
Other languages
English (en)
Inventor
Brent O'meagher
Original Assignee
Trimble Navigation Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Trimble Navigation Ltd filed Critical Trimble Navigation Ltd
Application granted granted Critical
Publication of ATE533065T1 publication Critical patent/ATE533065T1/de

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/40Correcting position, velocity or attitude
    • G01S19/41Differential correction, e.g. DGPS [differential GPS]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/07Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
    • G01S19/071DGPS corrections
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/07Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
    • G01S19/073Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections involving a network of fixed stations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42Determining position
    • G01S19/43Determining position using carrier phase measurements, e.g. kinematic positioning; using long or short baseline interferometry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009Transmission of position information to remote stations
    • G01S5/0045Transmission from base station to mobile station
    • G01S5/0063Transmission from base station to mobile station of measured values, i.e. measurement on base station and position calculation on mobile

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
AT04783868T 2003-09-19 2004-09-10 Verfahren und system zum abliefern virtueller referenz-stations-daten ATE533065T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/666,079 US7480511B2 (en) 2003-09-19 2003-09-19 Method and system for delivering virtual reference station data
PCT/US2004/029813 WO2005033732A1 (en) 2003-09-19 2004-09-10 A method and system for delivering virtual reference station data

Publications (1)

Publication Number Publication Date
ATE533065T1 true ATE533065T1 (de) 2011-11-15

Family

ID=34313022

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04783868T ATE533065T1 (de) 2003-09-19 2004-09-10 Verfahren und system zum abliefern virtueller referenz-stations-daten

Country Status (4)

Country Link
US (1) US7480511B2 (de)
EP (1) EP1664831B1 (de)
AT (1) ATE533065T1 (de)
WO (1) WO2005033732A1 (de)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8497800B2 (en) * 2003-09-19 2013-07-30 Trimble Navigation Limited Method and a system for communicating information to a land surveying rover located in an area without cellular coverage
US7613468B2 (en) * 2006-02-28 2009-11-03 Trimble Navigation Limited Method and a system for communicating information to a land surveying rover located in an area without cellular coverage
US6996403B2 (en) * 2003-12-19 2006-02-07 Motorola, Inc. Method and apparatus for locating a remote unit
US7412248B2 (en) * 2004-06-15 2008-08-12 Technocom Corporation System and method for location determination
US7363137B2 (en) * 2005-02-03 2008-04-22 Lincoln Global, Inc. Construction equipment discovery on a network
GB0503040D0 (en) * 2005-02-14 2005-03-23 Nokia Corp Location services for unlicensed mobile access
US20080001816A1 (en) * 2006-06-30 2008-01-03 Bily Wang Portable wireless earphone apparatus with a global positioning system
US7855678B2 (en) * 2007-05-16 2010-12-21 Trimble Navigation Limited Post-mission high accuracy position and orientation system
US20090093959A1 (en) * 2007-10-04 2009-04-09 Trimble Navigation Limited Real-time high accuracy position and orientation system
KR101236910B1 (ko) * 2007-10-09 2013-02-25 삼성전자주식회사 근거리 무선 통신을 통하여 다른 디바이스와 관련된 동작을수행하는 방법 및 그 장치
EP2079259A1 (de) * 2008-01-02 2009-07-15 Alcatel Lucent Verfahren zur Bestimmung der Position einer Basisstation in einem drahtlosen Kommunikationsnetzwerk und Basisstation in einem drahtlosen Kommunikationsnetzwerk
US8260551B2 (en) 2008-01-10 2012-09-04 Trimble Navigation Limited System and method for refining a position estimate of a low earth orbiting satellite
US9121932B2 (en) 2008-01-10 2015-09-01 Trimble Navigation Limited Refining a position estimate of a low earth orbiting satellite
US9651677B2 (en) 2008-01-14 2017-05-16 Trimble Inc. GNSS signal processing with ionospheric bridging for reconvergence
US8571800B2 (en) 2008-08-07 2013-10-29 Trimble Navigation Limited User interactive actual time networked survey system
US8626473B2 (en) * 2008-08-07 2014-01-07 Trimble Navigation Limited Real-time transmission of survey data
US8134497B2 (en) * 2008-09-30 2012-03-13 Trimble Navigation Limited Method and system for location-dependent time-specific correction data
US9588226B2 (en) * 2008-12-23 2017-03-07 Trimble Inc. System and method for providing position correction data
US9107032B2 (en) * 2009-08-21 2015-08-11 Alcatel Lucent Method of collecting per-user performance data
CN102498414B (zh) 2009-09-19 2014-04-16 天宝导航有限公司 用以估计轨道的gnss信号处理
WO2011100680A2 (en) 2010-02-14 2011-08-18 Trimble Navigation Limited Gnss signal processing with regional augmentation positioning
KR20110135809A (ko) * 2010-06-11 2011-12-19 한국전자통신연구원 무선 ap를 이용한 정밀 측위 장치 및 방법
DE102012202095A1 (de) 2011-02-14 2012-08-16 Trimble Navigation Ltd. GNSS-Signalverarbeitung mit Ionosphärenmodell für synthetische Referenzdaten
US9116231B2 (en) 2011-03-11 2015-08-25 Trimble Navigation Limited Indicating quality of GNSS position fixes
EP3206050A1 (de) 2011-03-22 2017-08-16 Trimble Inc. Gnss-signal-verarbeitung mit deltaphase
US8639434B2 (en) 2011-05-31 2014-01-28 Trimble Navigation Limited Collaborative sharing workgroup
US8818721B2 (en) 2011-05-31 2014-08-26 Trimble Navigation Limited Method and system for exchanging data
US9689990B2 (en) 2011-08-05 2017-06-27 Trimble Inc. Dual coaxial NSS receiver system
US9671503B2 (en) 2011-08-06 2017-06-06 Trimble Inc. Mobile platform for conveying an NSS device
US9645245B2 (en) 2011-09-16 2017-05-09 Trimble Inc. GNSS signal processing methods and apparatus
US9405010B2 (en) 2012-05-02 2016-08-02 Raven Industries, Inc. Geospatial positioning using correction information provided over cellular control channels
US9324223B2 (en) * 2012-06-08 2016-04-26 3M Innovative Properties Company Electronic monitoring home unit and installation methods
CN102788985A (zh) * 2012-08-31 2012-11-21 中国科学院国家授时中心 广域加权伪距差分对定位误差的改正方法
US9835729B2 (en) 2012-12-28 2017-12-05 Trimble Inc. Global navigation satellite system receiver system with radio frequency hardware component
US9910158B2 (en) 2012-12-28 2018-03-06 Trimble Inc. Position determination of a cellular device using carrier phase smoothing
US9821999B2 (en) 2012-12-28 2017-11-21 Trimble Inc. External GNSS receiver module with motion sensor suite for contextual inference of user activity
US9538336B2 (en) 2012-12-28 2017-01-03 Trimble Inc. Performing data collection based on internal raw observables using a mobile data collection platform
US9612341B2 (en) 2012-12-28 2017-04-04 Trimble Inc. GNSS receiver positioning system
US9945959B2 (en) 2012-12-28 2018-04-17 Trimble Inc. Global navigation satellite system receiver system with radio frequency hardware component
US9903957B2 (en) 2012-12-28 2018-02-27 Trimble Inc. Global navigation satellite system receiver system with radio frequency hardware component
US9462446B2 (en) 2012-12-28 2016-10-04 Trimble Navigation Limited Collecting external accessory data at a mobile data collection platform that obtains raw observables from an internal chipset
US9369843B2 (en) 2012-12-28 2016-06-14 Trimble Navigation Limited Extracting pseudorange information using a cellular device
US9639941B2 (en) 2012-12-28 2017-05-02 Trimble Inc. Scene documentation
US9467814B2 (en) 2012-12-28 2016-10-11 Trimble Navigation Limited Collecting external accessory data at a mobile data collection platform that obtains raw observables from an external GNSS raw observable provider
US9544737B2 (en) 2012-12-28 2017-01-10 Trimble Inc. Performing data collection based on external raw observables using a mobile data collection platform
US9743373B2 (en) 2012-12-28 2017-08-22 Trimble Inc. Concurrent dual processing of pseudoranges with corrections
US9645248B2 (en) 2012-12-28 2017-05-09 Trimble Inc. Vehicle-based global navigation satellite system receiver system with radio frequency hardware component
US10101465B2 (en) 2012-12-28 2018-10-16 Trimble Inc. Electronic tape measure on a cellphone
US9880286B2 (en) 2012-12-28 2018-01-30 Trimble Inc. Locally measured movement smoothing of position fixes based on extracted pseudoranges
US9429640B2 (en) 2012-12-28 2016-08-30 Trimble Navigation Limited Obtaining pseudorange information using a cellular device
US9488736B2 (en) 2012-12-28 2016-11-08 Trimble Navigation Limited Locally measured movement smoothing of GNSS position fixes
US9456067B2 (en) 2012-12-28 2016-09-27 Trimble Navigation Limited External electronic distance measurement accessory for a mobile data collection platform
JP6302630B2 (ja) * 2013-06-14 2018-03-28 株式会社トプコン Rtk測量作業に用いる準備システム
US10018728B2 (en) 2013-12-17 2018-07-10 Trimble Inc. Navigation satellite system positioning with enhanced satellite-specific correction information
WO2015168460A1 (en) 2014-05-02 2015-11-05 Trimble Navigation Limited Dead reckoning system based on locally measured movement
US9923626B2 (en) 2014-06-13 2018-03-20 Trimble Inc. Mobile ionospheric data capture system
EP3155452A1 (de) 2014-06-13 2017-04-19 Trimble Navigation Limited Empfängersystem für globales navigationssatellitensystem mit radiofrequenz-hardwarekomponente
US9945955B2 (en) 2014-09-03 2018-04-17 Glacial Ridge Technologies, LLC Device for inputting RTK correction data to a GPS
EP3198303B1 (de) 2014-09-26 2021-08-04 Trimble Inc. Externes gnss-empfängermodul mit bewegungssensorsuite für kontextuelle inferenz von benutzeraktivität
USD791109S1 (en) 2015-05-14 2017-07-04 Trimble Inc. Navigation satellite system antenna
EP3361757B1 (de) * 2015-10-29 2020-09-16 Huawei Technologies Co., Ltd. Positionierungsverfahren in einem mobilen netzwerk und server
AU2016345346C1 (en) * 2015-10-29 2019-09-05 Huawei Technologies Co., Ltd. Positioning method in mobile network, base station, and mobile terminal
CN108351421A (zh) * 2015-10-29 2018-07-31 华为技术有限公司 移动网络中的定位方法、基站和移动终端
CN108267762B (zh) * 2016-12-31 2022-07-29 华为技术有限公司 实时动态定位系统虚拟参考站切换方法和设备
CN108267763B (zh) * 2017-01-03 2021-01-15 华为技术有限公司 用于定位的方法和装置
CN109856661A (zh) * 2018-12-18 2019-06-07 中国电子科技集团公司第五十四研究所 一种去中心化多站高精度相对位置获取方法
US11333772B2 (en) 2019-03-22 2022-05-17 Verizon Patent And Licensing Inc. Static virtual reference station agents for global navigation satellite system corrections
US11181643B2 (en) * 2019-04-30 2021-11-23 Verizon Patent And Licensing Inc. Providing a location as a service
CN110261879B (zh) * 2019-07-31 2020-03-10 西南交通大学 广域地基增强位置服务的格网化虚拟参考站方法
CN110809317B (zh) * 2019-10-09 2021-02-26 北京讯腾智慧科技股份有限公司 多源动态格网化网络rtk定位方法、系统、终端及存储介质
US11624837B2 (en) 2019-10-16 2023-04-11 Superpedestrian, Inc. Multi-receiver satellite-based location estimation refinement
CN112769702B (zh) * 2021-01-06 2023-07-21 郑州埃文计算机科技有限公司 一种基于路由器别名和基准点地理特征的路由器定位方法
CN112887908B (zh) * 2021-03-12 2023-02-07 真点科技(北京)有限公司 一种处理定位信息的方法、装置、计算机存储介质及终端
CN114527501B (zh) * 2022-01-21 2022-10-14 国家基础地理信息中心 一种vrs最优格网点快速查找方法及系统
CN114666804B (zh) * 2022-03-28 2023-06-23 北京四维图新科技股份有限公司 一种基于不同环境场景选取基站架设坐标的方法、装置及设备
CN114935768B (zh) * 2022-07-13 2022-11-04 武汉大学 一种基于单基站的虚拟参考站的构建方法

Family Cites Families (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978422A (en) * 1975-02-28 1976-08-31 Alpha Engineering Corporation Broadband automatic gain control amplifier
US4580111A (en) * 1981-12-24 1986-04-01 Harris Corporation Amplitude modulation using digitally selected carrier amplifiers
US4586000A (en) * 1982-02-10 1986-04-29 Ford Aerospace & Communications Corporation Transformerless current balanced amplifier
CH666148A5 (de) * 1984-05-10 1988-06-30 Bbc Brown Boveri & Cie Verfahren zur traegersteuerung eines amplitudenmodulierten senders und schaltungsanordnung zur durchfuehrung des verfahrens.
US5257283A (en) * 1989-11-07 1993-10-26 Qualcomm Incorporated Spread spectrum transmitter power control method and system
US5267262A (en) * 1989-11-07 1993-11-30 Qualcomm Incorporated Transmitter power control system
US5056109A (en) * 1989-11-07 1991-10-08 Qualcomm, Inc. Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
US5485486A (en) * 1989-11-07 1996-01-16 Qualcomm Incorporated Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system
US5265119A (en) * 1989-11-07 1993-11-23 Qualcomm Incorporated Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system
CA2097057C (en) * 1990-12-17 1995-08-22 William J. Martin Dynamically biased amplifier
US5311143A (en) * 1992-07-02 1994-05-10 Motorola, Inc. RF amplifier bias control method and apparatus
US5396516A (en) * 1993-02-22 1995-03-07 Qualcomm Incorporated Method and system for the dynamic modification of control paremeters in a transmitter power control system
CA2136749C (en) * 1993-03-26 1998-11-03 Richard K. Kornfeld Power amplifier bias control circuit and method
FR2705844B1 (fr) * 1993-05-28 1995-07-21 Thomson Csf Procédé et dispositif de modulation en amplitude d'un signal radiofréquence.
US5437055A (en) * 1993-06-03 1995-07-25 Qualcomm Incorporated Antenna system for multipath diversity in an indoor microcellular communication system
US5339046A (en) * 1993-06-03 1994-08-16 Alps Electric Co., Ltd. Temperature compensated variable gain amplifier
US5408697A (en) * 1993-06-14 1995-04-18 Qualcomm Incorporated Temperature-compensated gain-controlled amplifier having a wide linear dynamic range
US5642002A (en) * 1993-10-29 1997-06-24 Alpha Technologies Apparatus and methods for generating uninterruptible AC power signals
US5574967A (en) * 1994-01-11 1996-11-12 Ericsson Ge Mobile Communications, Inc. Waste energy control and management in power amplifiers
US5452473A (en) * 1994-02-28 1995-09-19 Qualcomm Incorporated Reverse link, transmit power correction and limitation in a radiotelephone system
US5939951A (en) * 1995-05-25 1999-08-17 Btg International Limited Methods and apparatus for modulating, demodulating and amplifying
US5729826A (en) * 1996-07-26 1998-03-17 Gavrilovich; Charles D. Mobile communication system with moving base station
US5703902A (en) * 1995-06-16 1997-12-30 Qualcomm Incorporated Method and apparatus for determining signal strength in a variable data rate system
US5812607A (en) * 1996-02-01 1998-09-22 Qualcomm Incorporated Method and apparatus for processing wideband data in a digital cellular communication system
US5774017A (en) * 1996-06-03 1998-06-30 Anadigics, Inc. Multiple-band amplifier
US5903554A (en) * 1996-09-27 1999-05-11 Qualcomm Incorporation Method and apparatus for measuring link quality in a spread spectrum communication system
US6075974A (en) * 1996-11-20 2000-06-13 Qualcomm Inc. Method and apparatus for adjusting thresholds and measurements of received signals by anticipating power control commands yet to be executed
US5880633A (en) * 1997-05-08 1999-03-09 Motorola, Inc. High efficiency power amplifier
US5892431A (en) * 1997-05-20 1999-04-06 Alpha Technologies, Inc. Power multiplexer for broadband communications systems
US6097252A (en) * 1997-06-02 2000-08-01 Motorola, Inc. Method and apparatus for high efficiency power amplification
US6067458A (en) * 1997-07-01 2000-05-23 Qualcomm Incorporated Method and apparatus for pre-transmission power control using lower rate for high rate communication
US6324473B1 (en) 1997-08-04 2001-11-27 Trimble Navigation Limited Method and apparatus for collecting, processing and distributing differential global positioning system information using the internet
JP2001502156A (ja) * 1997-08-12 2001-02-13 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ディジタル信号増幅装置
US6219394B1 (en) * 1997-10-08 2001-04-17 Tropian, Inc. Digital frequency sampling and discrimination
US6269135B1 (en) * 1998-01-14 2001-07-31 Tropian, Inc. Digital phase discriminations based on frequency sampling
US5942946A (en) * 1997-10-10 1999-08-24 Industrial Technology Research Institute RF power amplifier with high efficiency and a wide range of gain control
US6259928B1 (en) * 1997-10-13 2001-07-10 Qualcomm Inc. System and method for optimized power control
US6185432B1 (en) * 1997-10-13 2001-02-06 Qualcomm Incorporated System and method for selecting power control modes
US6075413A (en) * 1997-12-10 2000-06-13 Sony Corporation Amplifier circuit and control signal generator
US6112071A (en) * 1998-02-23 2000-08-29 Tropian, Inc. Quadrature-free RF receiver for directly receiving angle modulated signal
US5952895A (en) * 1998-02-23 1999-09-14 Tropian, Inc. Direct digital synthesis of precise, stable angle modulated RF signal
US5886573A (en) * 1998-03-06 1999-03-23 Fujant, Inc. Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier
US6078628A (en) * 1998-03-13 2000-06-20 Conexant Systems, Inc. Non-linear constant envelope modulator and transmit architecture
US6285251B1 (en) * 1998-04-02 2001-09-04 Ericsson Inc. Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control
US5930128A (en) * 1998-04-02 1999-07-27 Ericsson Inc. Power waveform synthesis using bilateral devices
US6311046B1 (en) * 1998-04-02 2001-10-30 Ericsson Inc. Linear amplification systems and methods using more than two constant length vectors
US6133788A (en) * 1998-04-02 2000-10-17 Ericsson Inc. Hybrid Chireix/Doherty amplifiers and methods
US6157681A (en) * 1998-04-06 2000-12-05 Motorola, Inc. Transmitter system and method of operation therefor
DE19823060C2 (de) * 1998-05-22 2001-02-22 Ericsson Telefon Ab L M Leistungsverstärker-Ausgangsschaltung
US6404823B1 (en) * 1998-07-01 2002-06-11 Conexant Systems, Inc. Envelope feedforward technique with power control for efficient linear RF power amplification
US6259901B1 (en) * 1998-07-03 2001-07-10 Mobile Communications Tokyo Inc. Radio-frequency power amplifier of mobile communication equipment
US6043712A (en) * 1998-07-17 2000-03-28 Motorola, Inc. Linear power amplifier
US6321072B1 (en) * 1998-08-31 2001-11-20 Conexant Systems, Inc. Distortion control feedback loop utilizing a non-linear transfer function generator to compensate for non-linearities in a transmitter circuit
US6252915B1 (en) * 1998-09-09 2001-06-26 Qualcomm Incorporated System and method for gaining control of individual narrowband channels using a wideband power measurement
US6430402B1 (en) * 1998-09-14 2002-08-06 Conexant Systems, Inc. Power amplifier saturation prevention method, apparatus, and communication system incorporating the same
US6101224A (en) * 1998-10-07 2000-08-08 Telefonaktiebolaget Lm Ericsson Method and apparatus for generating a linearly modulated signal using polar modulation
US6191653B1 (en) * 1998-11-18 2001-02-20 Ericsson Inc. Circuit and method for linearizing amplitude modulation in a power amplifier
US6140882A (en) * 1998-11-23 2000-10-31 Tropian, Inc. Phase lock loop enabling smooth loop bandwidth switching
US6490460B1 (en) * 1998-12-01 2002-12-03 Qualcomm Incorporated Forward and reverse link power control using position and mobility information
US6201452B1 (en) * 1998-12-10 2001-03-13 Ericsson Inc. Systems and methods for converting a stream of complex numbers into a modulated radio power signal
US6411655B1 (en) * 1998-12-18 2002-06-25 Ericsson Inc. Systems and methods for converting a stream of complex numbers into an amplitude and phase-modulated radio power signal
US6043707A (en) * 1999-01-07 2000-03-28 Motorola, Inc. Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier
US6351650B1 (en) * 1999-01-28 2002-02-26 Qualcomm Incorporated System and method for forward link power balancing in a wireless communication system
US6377784B2 (en) * 1999-02-09 2002-04-23 Tropian, Inc. High-efficiency modulation RF amplifier
US6370109B1 (en) * 1999-03-10 2002-04-09 Qualcomm Incorporated CDMA signal power control using quadrature signal calculations
US6094101A (en) * 1999-03-17 2000-07-25 Tropian, Inc. Direct digital frequency synthesis enabling spur elimination
US6242975B1 (en) * 1999-05-25 2001-06-05 Conexant Systems, Inc. Envelope peak and trough limiting to improve amplifier efficiency and distortion characteristics
US6421327B1 (en) * 1999-06-28 2002-07-16 Qualcomm Incorporated Method and apparatus for controlling transmission energy in a communication system employing orthogonal transmit diversity
US6480472B1 (en) * 1999-07-21 2002-11-12 Qualcomm Incorporated Mobile station supervision of the forward dedicated control channel when in the discontinuous transmission mode
US6198347B1 (en) * 1999-07-29 2001-03-06 Tropian, Inc. Driving circuits for switch mode RF power amplifiers
US6255906B1 (en) * 1999-09-30 2001-07-03 Conexant Systems, Inc. Power amplifier operated as an envelope digital to analog converter with digital pre-distortion
US6215355B1 (en) * 1999-10-13 2001-04-10 Tropian, Inc. Constant impedance for switchable amplifier with power control
US6288916B1 (en) * 1999-10-15 2001-09-11 Alpha Technologies, Inc. Multiple output uninterruptible alternating current power supplies for communications system
US6246286B1 (en) * 1999-10-26 2001-06-12 Telefonaktiebolaget Lm Ericsson Adaptive linearization of power amplifiers
US6313705B1 (en) * 1999-12-20 2001-11-06 Rf Micro Devices, Inc. Bias network for high efficiency RF linear power amplifier
US6449465B1 (en) * 1999-12-20 2002-09-10 Motorola, Inc. Method and apparatus for linear amplification of a radio frequency signal
AU3084801A (en) * 2000-01-06 2001-07-16 Brightcom Technologies Ltd. Integration of bluetooth functionality with a global positioning system
US6294957B1 (en) * 2000-01-21 2001-09-25 Harris Corporation RF power amplifier having synchronous RF drive
US6366177B1 (en) * 2000-02-02 2002-04-02 Tropian Inc. High-efficiency power modulators
US6469663B1 (en) 2000-03-21 2002-10-22 Csi Wireless Inc. Method and system for GPS and WAAS carrier phase measurements for relative positioning
US6236284B1 (en) * 2000-04-07 2001-05-22 Harris Corporation RF power amplifier system having distributed modulation encoding
US6397147B1 (en) 2000-06-06 2002-05-28 Csi Wireless Inc. Relative GPS positioning using a single GPS receiver with internally generated differential correction terms
US6323731B1 (en) * 2000-10-06 2001-11-27 Tropion, Inc. Corp. Variable bias control for switch mode RF amplifier
US6799116B2 (en) * 2000-12-15 2004-09-28 Trimble Navigation Limited GPS correction methods, apparatus and signals
US6380802B1 (en) * 2000-12-29 2002-04-30 Ericsson Inc. Transmitter using input modulation for envelope restoration scheme for linear high-efficiency power amplification
KR20020061877A (ko) * 2001-01-18 2002-07-25 삼성전자 주식회사 저 전력소모 및 높은 동적 영역을 가지는 고출력 증폭시스템
US6473032B1 (en) 2001-03-18 2002-10-29 Trimble Navigation, Ltd Network of non-cooperative integrated pseudolite/satellite base station transmitters
US6356155B1 (en) * 2001-04-11 2002-03-12 Tropian Inc. Multi-band amplifier having multi-tap RF choke
US6567041B1 (en) 2001-04-18 2003-05-20 Sprint Spectrum, L.P. Network system and method for a remote reference receiver system
US6445247B1 (en) * 2001-06-01 2002-09-03 Qualcomm Incorporated Self-controlled high efficiency power amplifier
US6426677B1 (en) * 2001-09-14 2002-07-30 Intersil Americas Inc. Linearization bias circuit for BJT amplifiers
US7711375B2 (en) * 2002-08-06 2010-05-04 Hang Liu Method and system for determining a location of a wireless transmitting device and guiding the search for the same
RU2248668C2 (ru) 2002-11-15 2005-03-20 Корпорация "Самсунг Электроникс" Способ определения взаимного временного рассогласования сигналов базовых станций в системе сотовой радиосвязи

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US7480511B2 (en) 2009-01-20

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