DE69534121D1 - Dual-mode satelliten/zellulares-telefon mit einem frequenzsynthetisierer - Google Patents

Dual-mode satelliten/zellulares-telefon mit einem frequenzsynthetisierer

Info

Publication number
DE69534121D1
DE69534121D1 DE69534121T DE69534121T DE69534121D1 DE 69534121 D1 DE69534121 D1 DE 69534121D1 DE 69534121 T DE69534121 T DE 69534121T DE 69534121 T DE69534121 T DE 69534121T DE 69534121 D1 DE69534121 D1 DE 69534121D1
Authority
DE
Germany
Prior art keywords
dual
cellular telephone
mode satellite
frequency synthetizer
synthetizer
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69534121T
Other languages
English (en)
Other versions
DE69534121T2 (de
Inventor
W Dent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson Inc
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Publication of DE69534121D1 publication Critical patent/DE69534121D1/de
Application granted granted Critical
Publication of DE69534121T2 publication Critical patent/DE69534121T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18563—Arrangements for interconnecting multiple systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/1974—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
DE69534121T 1994-09-14 1995-09-01 Dual-mode satelliten/zellulares-telefon mit einem frequenzsynthetisierer Expired - Fee Related DE69534121T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US305780 1994-09-14
US08/305,780 US5535432A (en) 1994-09-14 1994-09-14 Dual-mode satellite/cellular phone with a frequency synthesizer
PCT/US1995/012413 WO1996008883A1 (en) 1994-09-14 1995-09-01 Dual-mode satellite/cellular phone with a frequency synthesizer

Publications (2)

Publication Number Publication Date
DE69534121D1 true DE69534121D1 (de) 2005-05-04
DE69534121T2 DE69534121T2 (de) 2005-09-29

Family

ID=23182312

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69534121T Expired - Fee Related DE69534121T2 (de) 1994-09-14 1995-09-01 Dual-mode satelliten/zellulares-telefon mit einem frequenzsynthetisierer

Country Status (9)

Country Link
US (2) US5535432A (de)
EP (1) EP0781475B1 (de)
JP (1) JPH10505981A (de)
CN (1) CN1087531C (de)
AU (1) AU691042B2 (de)
CA (1) CA2199933C (de)
DE (1) DE69534121T2 (de)
FI (1) FI971055A (de)
WO (1) WO1996008883A1 (de)

Families Citing this family (174)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5504803A (en) * 1991-11-25 1996-04-02 Matsushita Electric Industrial Co., Ltd. Method for automatic mode selection for a dual-mode telephone handset for use in a cellular mobile telephone system and in a wireless telephone system
US6970434B1 (en) * 1995-06-07 2005-11-29 Broadcom Corporation Hierarchical communication system providing intelligent data, program and processing migration
US7924783B1 (en) * 1994-05-06 2011-04-12 Broadcom Corporation Hierarchical communications system
DE69519484T2 (de) * 1994-01-11 2001-04-05 Ericsson Inc Positionsaufzeichnung für zellulare Kommunikationsanordnungen mit Satelliten
US6195555B1 (en) 1994-01-11 2001-02-27 Ericsson Inc. Method of directing a call to a mobile telephone in a dual mode cellular satellite communication network
US6868270B2 (en) * 1994-01-11 2005-03-15 Telefonaktiebolaget L.M. Ericsson Dual-mode methods, systems, and terminals providing reduced mobile terminal registrations
US5907809A (en) * 1994-01-11 1999-05-25 Ericsson Inc. Position determination using multiple base station signals
US6195399B1 (en) * 1994-03-28 2001-02-27 Ericsson Inc. Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal
US5732359A (en) * 1994-05-13 1998-03-24 Westinghouse Electric Corporation Mobile terminal apparatus and method having network inter-operability
US5828951A (en) * 1994-08-29 1998-10-27 Nec Corporation Mobile satellite terminal equipment
DE69535573T2 (de) * 1994-09-14 2008-05-15 Ericsson Inc., Plano Satellitenkommunikationsadapter für zellulares fernsprechhandgerät
US5758266A (en) * 1994-09-30 1998-05-26 Qualcomm Incorporated Multiple frequency communication device
EP0724336A3 (de) * 1995-01-27 1999-11-03 Nec Corporation Bewegliches Satellitenkommunikationsendgerät
NO960306L (no) * 1995-01-27 1996-07-29 Nec Corp Anordning ved mobil satelittkommunikasjon
GB9509145D0 (en) * 1995-04-28 1995-06-28 Thomson Consumer Electronics Two band 25 channel cordless telephone system
JP3070442B2 (ja) * 1995-05-24 2000-07-31 日本電気株式会社 ディジタル変復調回路
US6975582B1 (en) * 1995-07-12 2005-12-13 Ericsson Inc. Dual mode satellite/cellular terminal
JP3231589B2 (ja) * 1995-09-13 2001-11-26 三菱電機株式会社 衛星通信端末システム
FR2739938B1 (fr) * 1995-10-17 1997-11-07 Sextant Avionique Recepteur de determination d'une position a partir de reseaux de satellites
US5630222A (en) * 1995-12-04 1997-05-13 Motorola Inc. Method and apparatus for generating multiple signals at multiple frequencies
FR2742283B1 (fr) * 1995-12-06 1998-02-06 Telediffusion Fse Procede et dispositif de reduction du brouillage de transmission hertzienne en reseau
FR2742946B1 (fr) * 1995-12-22 1998-01-16 Alcatel Mobile Comm France Terminal de radiocommunication multimode
US6125139A (en) * 1995-12-29 2000-09-26 Advanced Micro Devices, Inc. Narrowband digital cordless telephone
US6490435B1 (en) * 1996-01-16 2002-12-03 Ericsson Inc. Flip cover and antenna assembly for a portable phone
US6430400B1 (en) * 1996-01-16 2002-08-06 Ericsson Inc. Detachable flip cover assembly for a portable phone
GB2310342A (en) * 1996-02-16 1997-08-20 Northern Telecom Ltd Dual mode radio transceiver front end
US5937338A (en) * 1996-03-05 1999-08-10 General Research Of Electronics, Inc. Scanning radio receiver
FI100286B (fi) * 1996-04-01 1997-10-31 Nokia Mobile Phones Ltd Lähetin/vastaanotin RF-signaalin lähettämiseksi ja vastaanottamiseksi kahdella taajuusalueella
US5752204A (en) * 1996-04-01 1998-05-12 Telefonaktiebolaget L M Ericsson (Publ) Antenna assembly for radiotelephonic device
US5794159A (en) * 1996-08-07 1998-08-11 Nokia Mobile Phones Limited Dual band mobile station employing cross-connected transmitter and receiver circuits
JPH1098409A (ja) * 1996-09-20 1998-04-14 Matsushita Electric Ind Co Ltd 無線回路
US6061575A (en) * 1996-11-06 2000-05-09 Ericsson Inc. Frequency synthesizer circuit for mobile stations
US5960364A (en) * 1996-11-08 1999-09-28 Ericsson Inc. Satellite/cellular phone using different channel spacings on forward and return links
FI102122B1 (fi) * 1996-11-14 1998-10-15 Nokia Mobile Phones Ltd Radiojärjestelmän monimoodilaitteen taajuuksien generointi
KR100201814B1 (ko) * 1996-12-06 1999-06-15 윤종용 삼중 겸용 휴대전화기의 무선신호 처리장치
JP3255054B2 (ja) * 1996-12-10 2002-02-12 富士通株式会社 デジタル携帯電話機
GB2320632B (en) * 1996-12-23 2001-09-05 Nokia Mobile Phones Ltd Method and apparatus for transmitting and receiving signals
GB2320631B (en) * 1996-12-23 2001-07-18 Nokia Mobile Phones Ltd Radio receiver and radio transmitter
JPH10190543A (ja) * 1996-12-28 1998-07-21 Casio Comput Co Ltd 通信端末装置
SE508290C2 (sv) * 1997-01-21 1998-09-21 Ericsson Telefon Ab L M Mottagaranordning för två frekvensband
US5717686A (en) * 1997-01-21 1998-02-10 Lockheed Martin Corporation Cellular spacecraft TDMA communications system with call interrupt coding system for maximizing traffic throughput
SE512927C2 (sv) * 1997-01-30 2000-06-05 Ericsson Telefon Ab L M Trådlös terminal arbetande enligt fler än ett luftgränssnittsprotokoll
WO1998039859A1 (fr) * 1997-03-04 1998-09-11 Mitsubishi Denki Kabushiki Kaisha Terminal telephonique mobile double mode
US5856763A (en) * 1997-03-05 1999-01-05 Motorola Inc. Dual frequency voltage controlled oscillator
US5918167A (en) * 1997-03-11 1999-06-29 Northern Telecom Limited Quadrature downconverter local oscillator leakage canceller
JPH10257116A (ja) * 1997-03-11 1998-09-25 Nec Corp 直交周波数変換装置
US6021332A (en) * 1997-04-01 2000-02-01 Motorola, Inc. Multi-mode radiotelephone having a multiple battery arrangement
US6064857A (en) * 1997-04-15 2000-05-16 Globalstar L.P. Dual mode satellite telephone with hybrid battery/capacitor power supply
US5815804A (en) * 1997-04-17 1998-09-29 Motorola Dual-band filter network
US6138010A (en) * 1997-05-08 2000-10-24 Motorola, Inc. Multimode communication device and method for operating a multimode communication device
US5974305A (en) * 1997-05-15 1999-10-26 Nokia Mobile Phones Limited Dual band architectures for mobile stations
US6134437A (en) * 1997-06-13 2000-10-17 Ericsson Inc. Dual-mode satellite/cellular phone architecture with physically separable mode
US5978689A (en) * 1997-07-09 1999-11-02 Tuoriniemi; Veijo M. Personal portable communication and audio system
US5966667A (en) * 1997-07-14 1999-10-12 Motorola, Inc. Dual mode communication device and method
JPH1141132A (ja) * 1997-07-24 1999-02-12 Toshiba Corp 無線通信装置
US5999519A (en) * 1997-07-28 1999-12-07 Geo-Com, Incorporated Dual channel high speed wireless data transfer device
US5777521A (en) * 1997-08-12 1998-07-07 Motorola Inc. Parallel accumulator fractional-n frequency synthesizer
US6041222A (en) * 1997-09-08 2000-03-21 Ericsson Inc. Systems and methods for sharing reference frequency signals within a wireless mobile terminal between a wireless transceiver and a global positioning system receiver
SE510523C2 (sv) * 1997-09-11 1999-05-31 Ericsson Telefon Ab L M Radiokommunikationsenhet och radiotelefon innefattande radiokommunikationsenhet
JP3848445B2 (ja) * 1997-09-26 2006-11-22 松下電器産業株式会社 複数通信方式対応の無線機
US6052560A (en) * 1997-10-15 2000-04-18 Ericsson Inc Satellite system utilizing a plurality of air interface standards and method employing same
US5821820A (en) * 1997-10-15 1998-10-13 Motorola Inc. Dual band voltage controlled oscillator
US6163710A (en) * 1997-10-20 2000-12-19 Ericsson, Inc. Method and apparatus for compliance to multiple frequency plans
DE19747735C2 (de) * 1997-10-29 2003-04-30 Infineon Technologies Ag Frequenzsynthesizer für ein Mobilfunkendgerät
WO1999026353A1 (en) * 1997-11-19 1999-05-27 Ericsson, Inc. Transceiver architecture in a dual band mobile phone
US6308048B1 (en) 1997-11-19 2001-10-23 Ericsson Inc. Simplified reference frequency distribution in a mobile phone
GB2331645B (en) 1997-11-21 2001-07-25 Ericsson Telefon Ab L M Signal processing
US6690798B1 (en) 1997-12-10 2004-02-10 Ericsson Inc. Key transforms to discriminate between beams in a multi-beam satellite communication system
KR100429509B1 (ko) * 1997-12-30 2004-07-16 삼성전자주식회사 위성통신부 착탈형 듀얼모드 이동통신단말기
US6035182A (en) * 1998-01-20 2000-03-07 Motorola, Inc. Single counter dual modulus frequency division apparatus
US6104925A (en) * 1998-01-28 2000-08-15 Motorola, Inc. Method and apparatus for establishing group communications between subscribers affiliated with terrestrial and satellite communication systems
US6208875B1 (en) * 1998-04-08 2001-03-27 Conexant Systems, Inc. RF architecture for cellular dual-band telephones
US6591084B1 (en) * 1998-04-27 2003-07-08 General Dynamics Decision Systems, Inc. Satellite based data transfer and delivery system
US6122506A (en) * 1998-05-04 2000-09-19 Trimble Navigation Limited GSM cellular telephone and GPS receiver combination
GB2337883B (en) * 1998-05-29 2002-12-18 British Broadcasting Corp Multiple conversion radio receivers
WO2000004732A1 (en) * 1998-07-15 2000-01-27 Yaron Ruziack Cellular phone with ir link
US7079584B2 (en) 1998-08-10 2006-07-18 Kamilo Feher OFDM, CDMA, spread spectrum, TDMA, cross-correlated and filtered modulation
US6757334B1 (en) * 1998-08-10 2004-06-29 Kamilo Feher Bit rate agile third-generation wireless CDMA, GSM, TDMA and OFDM system
US7415066B2 (en) * 1998-08-10 2008-08-19 Kamilo Feher Mis-matched modulation-demodulation format selectable filters
US8050345B1 (en) 1999-08-09 2011-11-01 Kamilo Feher QAM and GMSK systems
US6470055B1 (en) 1998-08-10 2002-10-22 Kamilo Feher Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems
US7593481B2 (en) * 1998-08-31 2009-09-22 Kamilo Feher CDMA, W-CDMA, 3rd generation interoperable modem format selectable (MFS) systems with GMSK modulated systems
US7548787B2 (en) 2005-08-03 2009-06-16 Kamilo Feher Medical diagnostic and communication system
DE19837204B4 (de) * 1998-08-17 2006-06-08 Telefonaktiebolaget Lm Ericsson (Publ) Totzeitreduzierung bei Frequenzsprüngen in Mehrfachbandsyntheseeinheiten
KR100274089B1 (ko) * 1998-09-02 2000-12-15 윤종용 듀얼모드 단말기의 자동주파수 제어회로 및 방법
WO2000025419A1 (de) 1998-10-22 2000-05-04 Infineon Technologies Ag Frequenzstabilisierte sende-/empfangsschaltungsanordnung
FR2786056B1 (fr) * 1998-11-13 2000-12-22 Sagem Procede de reglage d'un emetteur recepteur multibande de telephonie mobile et telephone mobile ainsi obtenu
US6278867B1 (en) * 1998-11-25 2001-08-21 Ericsson Inc. Methods and systems for frequency generation for wireless devices
US6711146B2 (en) * 1999-02-22 2004-03-23 Genesys Telecommunications Laboratories, Inc. Telecommunication system for automatically locating by network connection and selectively delivering calls to mobile client devices
US6320549B1 (en) * 1999-03-31 2001-11-20 Qualcomm Inc. Compact dual mode integrated antenna system for terrestrial cellular and satellite telecommunications
US6091303A (en) * 1999-04-06 2000-07-18 Ericsson Inc. Method and apparatus for reducing oscillator noise by noise-feedforward
JP3796372B2 (ja) * 1999-06-07 2006-07-12 シャープ株式会社 ミリ波帯通信装置
FI112561B (fi) * 1999-06-10 2003-12-15 Nokia Corp Lähetin/vastaanotin RF-signaalin lähettämiseksi ja vastaanottamiseksi ainakin kahdella taajuusalueella
JP2001024538A (ja) * 1999-07-09 2001-01-26 Nec Shizuoka Ltd 無線装置
US7260369B2 (en) 2005-08-03 2007-08-21 Kamilo Feher Location finder, tracker, communication and remote control system
US9813270B2 (en) 1999-08-09 2017-11-07 Kamilo Feher Heart rate sensor and medical diagnostics wireless devices
US9373251B2 (en) 1999-08-09 2016-06-21 Kamilo Feher Base station devices and automobile wireless communication systems
US9307407B1 (en) 1999-08-09 2016-04-05 Kamilo Feher DNA and fingerprint authentication of mobile devices
US6526034B1 (en) 1999-09-21 2003-02-25 Tantivy Communications, Inc. Dual mode subscriber unit for short range, high rate and long range, lower rate data communications
US7555263B1 (en) 1999-10-21 2009-06-30 Broadcom Corporation Adaptive radio transceiver
NO329890B1 (no) 1999-11-15 2011-01-17 Hitachi Ltd Mobilkommunikasjonsapparat
US6625435B1 (en) * 2000-02-29 2003-09-23 Ericsson Inc. Frequency synthesis using a programmable offset synthesizer
US6459309B2 (en) * 2000-03-10 2002-10-01 Koninklijke Philips Electronics N.V. Frequency converter enabling a non-integer division ratio to be programmed by means of a unique control word
US7082292B2 (en) * 2000-04-18 2006-07-25 Sirf Technology, Inc. Mobile communications device with GPS receiver and common clock source
US6650879B1 (en) 2000-04-18 2003-11-18 Sirf Technology, Inc. Personal communications device with GPS receiver and common clock source
US6438381B1 (en) * 2000-06-08 2002-08-20 Motorola, Inc. Method and apparatus for location determination of a cellular telephone
EP1170874A1 (de) * 2000-07-05 2002-01-09 Infineon Technologies AG Empfangseinrichtung, insbesondere für den Mobilfunk
US7149526B2 (en) 2000-08-02 2006-12-12 Atc Technologies, Llc Coordinated satellite-terrestrial frequency reuse
US6859652B2 (en) 2000-08-02 2005-02-22 Mobile Satellite Ventures, Lp Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis
US7047023B1 (en) * 2000-12-01 2006-05-16 Sirf Technology, Inc. GPS RF front end IC with frequency plan for improved integrability
US7792488B2 (en) 2000-12-04 2010-09-07 Atc Technologies, Llc Systems and methods for transmitting electromagnetic energy over a wireless channel having sufficiently weak measured signal strength
US6636086B2 (en) * 2000-12-08 2003-10-21 Agilent Technologies, Inc. High performance microwave synthesizer using multiple-modulator fractional-N divider
EP1255356B1 (de) * 2001-05-02 2009-07-22 Sony Deutschland GmbH Dualmode-Dreiband-Frequenzsynthesizer
JP2002368642A (ja) * 2001-06-08 2002-12-20 Sony Corp 受信機およびｉｃ
JP3816356B2 (ja) * 2001-06-21 2006-08-30 株式会社東芝 無線送信機
US20030078037A1 (en) * 2001-08-17 2003-04-24 Auckland David T. Methodology for portable wireless devices allowing autonomous roaming across multiple cellular air interface standards and frequencies
EP1995873A2 (de) * 2001-10-03 2008-11-26 Fujitsu Limited Funkausrüstung zur Kommunikation in zwei Frequenzbändern und Verfahren zur Erzeugung eines lokalen Oszillatorsignals in einer Funkausrüstung
US7020230B2 (en) 2001-12-28 2006-03-28 Tropian, Inc. Frequency synthesizer for dual mode receiver
US7068610B2 (en) 2002-02-26 2006-06-27 Unruh Lincoln J System and method for reliable communications over multiple packet RF networks
JP2003258662A (ja) * 2002-03-06 2003-09-12 Alps Electric Co Ltd ２周波数帯域共用コンバータユニット
US6946884B2 (en) * 2002-04-25 2005-09-20 Agere Systems Inc. Fractional-N baseband frequency synthesizer in bluetooth applications
JP4003169B2 (ja) * 2002-05-09 2007-11-07 日本電気株式会社 Ｇｐｓ機能搭載型移動通信端末装置
US6809564B2 (en) * 2002-07-17 2004-10-26 Stmicroelectronics, Inc. Clock generator for an integrated circuit with a high-speed serial interface
US7363039B2 (en) 2002-08-08 2008-04-22 Qualcomm Incorporated Method of creating and utilizing diversity in multiple carrier communication system
US8190163B2 (en) * 2002-08-08 2012-05-29 Qualcomm Incorporated Methods and apparatus of enhanced coding in multi-user communication systems
US6961595B2 (en) * 2002-08-08 2005-11-01 Flarion Technologies, Inc. Methods and apparatus for operating mobile nodes in multiple states
FR2845840B1 (fr) * 2002-10-14 2005-09-16 St Microelectronics Sa Dispositif radiofrequence du type a frequence intermediaire nulle ou quasi-nulle minimisant la modulation frequentielle parasite appliquee a un oscillateur local integre.
BRPI0407606A (pt) * 2003-02-19 2006-02-21 Flarion Technologies Inc métodos e aparelho de codificação aprimorada em sistemas de comunicação multi-usuário
GB2399966A (en) * 2003-03-27 2004-09-29 Nokia Corp Temperature-insensitive GPS receiver
US7230981B2 (en) * 2003-05-09 2007-06-12 Stmicroelectronics, Inc. Integrated data jitter generator for the testing of high-speed serial interfaces
US8593932B2 (en) * 2003-05-16 2013-11-26 Qualcomm Incorporated Efficient signal transmission methods and apparatus using a shared transmission resource
US7925291B2 (en) * 2003-08-13 2011-04-12 Qualcomm Incorporated User specific downlink power control channel Q-bit
US7365680B2 (en) * 2004-02-10 2008-04-29 Sirf Technology, Inc. Location services system that reduces auto-correlation or cross-correlation in weak signals
US7177662B2 (en) * 2004-04-02 2007-02-13 Broadcom Corporation Multimode wireless communication device
US7835706B2 (en) * 2004-06-30 2010-11-16 Silicon Laboratories, Inc. Local oscillator (LO) port linearization for communication system with ratiometric transmit path architecture
US7376396B2 (en) * 2004-06-30 2008-05-20 Silicon Laboratories Inc. Ratiometric transmit path architecture for communication systems
US7376399B2 (en) * 2004-06-30 2008-05-20 Silicon Laboratories Inc. Weighted mixing circuitry for quadrature processing in communication systems
US7272373B2 (en) * 2004-06-30 2007-09-18 Silacon Laboratories Inc. Ratiometric clock systems for integrated receivers and associated methods
WO2006012275A1 (en) * 2004-06-30 2006-02-02 Silicon Laboratories Inc. Ratiometric transmit path architecture for communication systems
US20060026650A1 (en) * 2004-07-30 2006-02-02 Samsung Electronics Co., Ltd. Apparatus and method for detecting external antenna in a mobile terminal supporting digital multimedia broadcasting service
US7359449B2 (en) * 2004-10-05 2008-04-15 Kamilo Feher Data communication for wired and wireless communication
PL2026085T3 (pl) * 2004-10-21 2012-08-31 Nokia Technologies Oy Dostarczanie pomiarów fazy nośnej na żądanie dla potrzeb lokalizacji satelitarnej
KR100673406B1 (ko) 2005-01-26 2007-01-24 아태위성산업 주식회사 지상 휴대전화기에 탑재되는 위성 통신 장치 및 방법
US8811915B2 (en) * 2005-03-04 2014-08-19 Psion Inc. Digital wireless narrow band radio
US7583935B2 (en) 2005-07-08 2009-09-01 Telcom Ventures, Llc Method and system for mitigating co-channel interference
CN100559905C (zh) * 2005-07-20 2009-11-11 大唐移动通信设备有限公司 基带芯片
US7301404B2 (en) * 2005-07-21 2007-11-27 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for transceiver frequency synthesis
US10009956B1 (en) 2017-09-02 2018-06-26 Kamilo Feher OFDM, 3G and 4G cellular multimode systems and wireless mobile networks
US7280810B2 (en) * 2005-08-03 2007-10-09 Kamilo Feher Multimode communication system
US20070028560A1 (en) * 2005-08-08 2007-02-08 Darrell Gauthier Machine for filling and closing two-piece capsules
US7869766B2 (en) * 2005-08-23 2011-01-11 The Boeing Company Wireless operational and testing communications network for diverse platform types
CN1809195A (zh) 2005-09-12 2006-07-26 宇龙计算机通信科技(深圳)有限公司 多模终端的多通信网络呼叫处理方法
DE102005053723A1 (de) * 2005-11-10 2007-05-24 Rohde & Schwarz Gmbh & Co. Kg Schaltung zur Signalaufbereitung mit gemeinsamen Oszillator
RU2419989C2 (ru) * 2006-01-03 2011-05-27 ТЕЛКОМ ВЕНЧЕРЗ ЭлЭлСи Использование синхронизации и распределения во времени в объединенной спутниково-наземной сети связи с мультиплексированием с ортогональным частотным разделением
US7626462B1 (en) * 2006-05-02 2009-12-01 Rf Micro Devices, Inc. Fractional-N based digital AFC system with a translational PLL transmitter
US20070288132A1 (en) * 2006-06-07 2007-12-13 Raytheon Company Cooperative swarm of unmanned vehicles
US20080026803A1 (en) * 2006-07-28 2008-01-31 Sony Ericsson Mobile Communications Ab Detachable Housings for a Wireless Communication Device
PL2515587T3 (pl) * 2007-01-11 2021-04-19 Qualcomm Incorporated Stosowanie DTX i DRX w systemie łączności bezprzewodowej
WO2008118593A1 (en) * 2007-03-27 2008-10-02 Telcom Ventures, Llc Method and system for improving the spectral efficiency of a data communication link
CN101277514B (zh) * 2007-03-30 2012-06-06 联想(北京)有限公司 建立无线连接的方法以及移动终端
US8378751B2 (en) * 2009-02-13 2013-02-19 Qualcomm Incorporated Frequency synthesizer with multiple tuning loops
FR2943477A1 (fr) * 2009-03-17 2010-09-24 Thales Sa Dispositif de pilotage en frequence pour emetteur/recepteur de telecommande satellite,emetteur recepteur associes
US20110273197A1 (en) * 2010-05-07 2011-11-10 Qualcomm Incorporated Signal generator for a built-in self test
US8358728B2 (en) * 2011-01-07 2013-01-22 Qualcomm Incorporated Calibration of synthesizer phase using reference harmonic
US10110463B2 (en) * 2012-09-11 2018-10-23 Higher Ground Llc Personal communications device for multiple communications systems
US9893799B2 (en) 2012-12-17 2018-02-13 Higher Ground Llc Personal communications device for reliable satellite communications
CN103281073A (zh) * 2012-12-23 2013-09-04 杭州宏睿通信技术有限公司 一种应用于对讲机的双锁相环装置
US9063782B2 (en) * 2013-04-04 2015-06-23 Harris Corporation Changing resource allocation among a plurality of concurrently executing applications in a portable multimode communication device in response to a change in usage scenario
CA2937578C (en) 2013-04-17 2020-09-01 Systech Corporation Gateway device for machine-to-machine communication with dual cellular interfaces
EP3190708B1 (de) * 2016-01-07 2020-05-06 Sdrf Eurl Mehrschleifen-pll-struktur zur erzeugung einer genauen und stabilen frequenz über einen grossen frequenzbereich
CN108288995B (zh) * 2018-01-25 2020-09-01 柒星通信科技（北京）有限公司 一种多模块语音数据通信系统及方法
CN108631860A (zh) * 2018-08-17 2018-10-09 北京微宇技术有限公司 终端与卫星间的通信方法以及终端
US20200195262A1 (en) * 2018-12-12 2020-06-18 Industrial Technology Research Institute Frequency synthesizer and method thereof
US11012147B1 (en) * 2020-01-16 2021-05-18 M2SL Corporation Multi-mode communication adapter system with smartphone protector mechanism and method of operation thereof

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234929A (en) * 1979-09-24 1980-11-18 Harris Corporation Control device for a phase lock loop vernier frequency synthesizer
SE463540B (sv) * 1988-09-19 1990-12-03 Ericsson Telefon Ab L M Saett foer att i ett radiokommunikationssystem digitalisera godtyckliga radiosignaler samt anordning foer utoevande av saettet
JP2881791B2 (ja) * 1989-01-13 1999-04-12 ソニー株式会社 周波数シンセサイザ
US5187805A (en) * 1989-10-02 1993-02-16 Motorola, Inc. Telemetry, tracking and control for satellite cellular communication systems
US5129095A (en) * 1989-11-03 1992-07-07 Motorola, Inc. Global communication system receiver and method for operating the same
SE8903799D0 (sv) * 1989-11-13 1989-11-13 Ericsson Telefon Ab L M Foerfarande och anordning foer att variera slingbandbredden hos en faslaast slinga
US4994762A (en) * 1989-11-20 1991-02-19 Motorola, Inc. Multiloop synthesizer with optimal spurious performance
US5180993A (en) * 1990-01-15 1993-01-19 Telefonaktiebolaget L M Ericsson Method and arrangement for frequency synthesis
US5289506A (en) * 1990-02-05 1994-02-22 Sharp Kabushiki Kaisha Automatic frequency control circuit
US5327572A (en) * 1990-03-06 1994-07-05 Motorola, Inc. Networked satellite and terrestrial cellular radiotelephone systems
US5073900A (en) * 1990-03-19 1991-12-17 Mallinckrodt Albert J Integrated cellular communications system
US5175872A (en) * 1991-03-28 1992-12-29 Motorola, Inc. Combined trunked/cellular communication unit
US5111162A (en) * 1991-05-03 1992-05-05 Motorola, Inc. Digital frequency synthesizer having AFC and modulation applied to frequency divider
CA2078932C (en) * 1991-10-10 2003-12-02 Robert A. Wiedeman Satellite telecommunications system using network coordinating gateways operative with a terrestrial communication system

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CN1163027A (zh) 1997-10-22
AU691042B2 (en) 1998-05-07
CN1087531C (zh) 2002-07-10
US5535432A (en) 1996-07-09
DE69534121T2 (de) 2005-09-29
WO1996008883A1 (en) 1996-03-21
FI971055A0 (fi) 1997-03-13
EP0781475B1 (de) 2005-03-30
JPH10505981A (ja) 1998-06-09
FI971055A (fi) 1997-05-14
AU3729795A (en) 1996-03-29
US5610559A (en) 1997-03-11
CA2199933C (en) 2005-01-25
CA2199933A1 (en) 1996-03-21

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