EE9900437A - Mitme kandjaga raadiosidesüsteemi ja raadiotransiiveri teostus - Google Patents

Mitme kandjaga raadiosidesüsteemi ja raadiotransiiveri teostus

Info

Publication number
EE9900437A
EE9900437A EEP199900437A EEP9900437A EE9900437A EE 9900437 A EE9900437 A EE 9900437A EE P199900437 A EEP199900437 A EE P199900437A EE P9900437 A EEP9900437 A EE P9900437A EE 9900437 A EE9900437 A EE 9900437A
Authority
EE
Estonia
Prior art keywords
communication system
carrier
radio communication
radio
radio transceiver
Prior art date
Application number
EEP199900437A
Other languages
English (en)
Inventor
Cornelius Haartsen Jacobus
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
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 Telefonaktiebolaget Lm Ericsson (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Publication of EE9900437A publication Critical patent/EE9900437A/et

Links

Classifications

    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Transceivers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
EEP199900437A 1997-03-21 1998-03-20 Mitme kandjaga raadiosidesüsteemi ja raadiotransiiveri teostus EE9900437A (et)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/821,443 US6081697A (en) 1997-03-21 1997-03-21 Multi-carrier radio system and radio transceiver implementation
PCT/SE1998/000521 WO1998043364A1 (en) 1997-03-21 1998-03-20 A multi-carrier radio system and radio transceiver implementation

Publications (1)

Publication Number Publication Date
EE9900437A true EE9900437A (et) 2000-04-17

Family

ID=25233431

Family Applications (1)

Application Number Title Priority Date Filing Date
EEP199900437A EE9900437A (et) 1997-03-21 1998-03-20 Mitme kandjaga raadiosidesüsteemi ja raadiotransiiveri teostus

Country Status (10)

Country Link
US (1) US6081697A (et)
EP (1) EP0968570B1 (et)
CN (1) CN1192494C (et)
AU (1) AU6531098A (et)
BR (1) BR9808039A (et)
DE (1) DE69835200D1 (et)
EE (1) EE9900437A (et)
MY (1) MY120727A (et)
SA (1) SA98190031A (et)
WO (1) WO1998043364A1 (et)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6334052B1 (en) * 1997-03-07 2001-12-25 Telefonaktiebolaget Lm Ericsson (Publ) Subscription-based mobile station idle mode cell selection
GB2332603B (en) * 1997-12-22 2000-07-19 Lsi Logic Corp Improvements relating to multidirectional communication systems
GB2332602B (en) * 1997-12-22 2000-03-08 Lsi Logic Corp Improvements relating to multidirectional communication systems
US6324159B1 (en) * 1998-05-06 2001-11-27 Sirius Communications N.V. Method and apparatus for code division multiple access communication with increased capacity through self-noise reduction
JP3314726B2 (ja) * 1998-07-17 2002-08-12 日本電気株式会社 位相シフト回路、それを用いた移相回路、発振回路、及びイメージリジェクションミキサ
US6219088B1 (en) * 1998-11-03 2001-04-17 Broadcom Corporation NTSC interference rejection filter
FI112741B (fi) * 1998-11-26 2003-12-31 Nokia Corp Menetelmä ja järjestely RF-signaalien lähettämiseksi ja vastaanottamiseksi tiedonsiirtojärjestelmien erilaisissa radiorajapinnoissa
EP1175734A1 (en) * 1999-05-10 2002-01-30 Sirius Communications N.V. Method and apparatus for high-speed software reconfigurable code division multiple access communication
US7372888B1 (en) 1999-05-10 2008-05-13 Agilent Technologies Inc. Method and apparatus for software reconfigurable communication transmission/reception and navigation signal reception
US6647245B1 (en) * 1999-05-28 2003-11-11 Glen V Rosenbaum Subsidiary communication authorization (SCA) radio turner
US6628605B1 (en) * 1999-07-21 2003-09-30 Conexant Systems, Inc. Method and apparatus for efficiently transmitting multiple data signals
US7327779B1 (en) * 1999-07-23 2008-02-05 Agilent Technologies, Inc. Method and apparatus for high-speed software reconfigurable code division multiple access communication
US6990082B1 (en) * 1999-11-08 2006-01-24 Intel Corporation Wireless apparatus having a transceiver equipped to support multiple wireless communication protocols
DE19948383A1 (de) * 1999-10-07 2001-04-12 Rohde & Schwarz Verfahren zum empfangsseitigen Bestimmen der Nutzdatenkonstellation eines nach dem DVB-T-Standard modulierten Multiträger-Signals für die Berechnung der Restträgerleistung bzw. Verbesserung der Demodulation
GB9927289D0 (en) * 1999-11-19 2000-01-12 Koninkl Philips Electronics Nv Improvements in or relating to polyphase receivers
US6721548B1 (en) * 1999-12-22 2004-04-13 Koninklijke Philips Electronics N.V. High dynamic range low ripple RSSI for zero-IF or low-IF receivers
JP4310600B2 (ja) * 2000-08-04 2009-08-12 ソニー株式会社 受信回路および受信用集積回路
KR100392642B1 (ko) * 2000-11-20 2003-07-23 에스케이 텔레콤주식회사 멀티캐리어 송수신이 가능한 이동 단말기
US20020127982A1 (en) * 2001-03-07 2002-09-12 Nokia Mobile Phones Ltd Mobile station receiver operable for both single and multi-carrier reception
US20020127985A1 (en) * 2001-03-08 2002-09-12 Fransis Bert L. Wideband local oscillator architecture
US20020127992A1 (en) * 2001-03-08 2002-09-12 Fransis Bert L. Wideband local oscillator architecture
GB0106696D0 (en) 2001-03-17 2001-05-09 Koninl Philips Electronics Nv Radio transceiver
US6944121B1 (en) 2001-03-19 2005-09-13 Cisco Systems Wireless Networking (Australia) Pty Limited Wireless computer network including a mobile appliance containing a single chip transceiver
US6850749B2 (en) * 2001-05-30 2005-02-01 Rf Micro Devices, Inc. Local oscillator architecture to reduce transmitter pulling effect and minimize unwanted sideband
US20030060160A1 (en) * 2001-09-21 2003-03-27 Xiaojuen Yuan Subharmonic carrier-canceling baseband/K upconverter system
US7333791B2 (en) * 2001-12-11 2008-02-19 Microtune (Texas), L.P. Use of an image reject mixer in a forward data channel tuner
US20030119470A1 (en) * 2001-12-21 2003-06-26 Persico Charles J. Generating local oscillator signals for downconversion
JP4009827B2 (ja) * 2002-03-20 2007-11-21 日本電気株式会社 信号処理装置
WO2006105010A1 (en) 2005-03-25 2006-10-05 Neocific, Inc. Methods and apparatus for cellular broadcasting and communication system
CN101031812B (zh) * 2004-10-01 2011-06-01 诺基亚公司 扩频信号的双频接收
US9780959B2 (en) * 2005-03-25 2017-10-03 Neocific, Inc. Methods and apparatus for power efficient broadcasting and communication systems
US8169953B2 (en) * 2005-05-17 2012-05-01 Qualcomm Incorporated Method and apparatus for wireless multi-carrier communications
CN100426686C (zh) * 2005-06-01 2008-10-15 鼎芯通讯（上海）有限公司 带镜频抑制自动校准电路的低中频无线接收机
CN101998285B (zh) 2005-06-09 2012-12-12 桥扬科技有限公司 用于高功率效率的广播和通信系统的方法和设备
US7580692B2 (en) 2006-05-16 2009-08-25 Research In Motion Limited Mobile wireless communications device having low-IF receiver circuitry that adapts to radio environment
DE602006003071D1 (de) * 2006-05-16 2008-11-20 Research In Motion Ltd Drahtloses mobiles Kommunikationsgerät dessen Empfangsschaltung mit niedriger Zwischenfrequenz sich der Funkumgebung anpasst
US20080084919A1 (en) * 2006-10-05 2008-04-10 Zerog Wireless, Inc. Multiprotocol wireless communication apparatus and methods
US8130699B2 (en) 2007-03-07 2012-03-06 Wi-Lan, Inc. Multi-band channel aggregation
US8223688B2 (en) * 2007-03-07 2012-07-17 Wi-Lan, Inc. Channel aggregation
US8059628B2 (en) * 2008-04-07 2011-11-15 Medtronic, Inc. Low power multiple channel mixing architecture for detecting wake-up signals and related falsing protection algorithm
US20090257420A1 (en) * 2008-04-10 2009-10-15 Honeywell International Inc. Process Control System With Enhanced Communication Throughput Using Frequency Agility
EP2313982A1 (en) * 2008-07-28 2011-04-27 Freescale Semiconductor, Inc. Semiconductor device wireless communication unit and method for receiving a signal
US8385865B2 (en) * 2008-08-12 2013-02-26 Sony Mobile Communications Ab Evolved EDGE receiver
CN101754394B (zh) * 2008-12-10 2012-01-04 华为技术有限公司 用户设备、资源确定方法、资源上报方法及资源分配系统
GB0910850D0 (en) * 2009-06-23 2009-08-05 Icera Inc Processing signals in a wireless network
WO2011050392A1 (en) 2009-10-30 2011-05-05 Commonwealth Scientific And Industrial Research Organisation Out-of-band emission cancellation
US20110142156A1 (en) * 2009-12-15 2011-06-16 Sony Ericsson Mobile Communications Ab Multi-channel signaling
WO2012050838A1 (en) 2010-09-28 2012-04-19 Neocific, Inc. Methods and apparatus for flexible use of frequency bands
US12431928B2 (en) 2023-06-16 2025-09-30 Rockwell Collins, Inc. Mixer-first radio receiver circuitry

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4241451A (en) * 1978-06-26 1980-12-23 Rockwell International Corporation Single sideband signal demodulator
US4220818A (en) * 1979-05-21 1980-09-02 Kahn Leonard R AM Stereo transmitter
GB2055025B (en) * 1979-07-27 1984-05-23 Marconi Co Ltd Communication systems
US4577157A (en) * 1983-12-12 1986-03-18 International Telephone And Telegraph Corporation Zero IF receiver AM/FM/PM demodulator using sampling techniques
GB2176356A (en) * 1985-06-12 1986-12-17 Philips Electronic Associated Method of, and demodulator for, digitally demodulating an ssb signal
DE3569182D1 (en) * 1985-08-27 1989-05-03 Itt Ind Gmbh Deutsche Television sound receiving circuit for at least one audio channel contained in a hf signal
JP2546331B2 (ja) * 1988-04-26 1996-10-23 ソニー株式会社 Ｆｍ・ａｍ受信機
US5469112A (en) * 1994-08-15 1995-11-21 Motorola, Inc. Communication device with zero-crossing demodulator
GB9424056D0 (en) * 1994-11-29 1995-01-18 Sgs Thomson Microelectronics A satellite tuner stage
US5638401A (en) * 1995-01-31 1997-06-10 Ericsson Inc. Method and apparatus for generating plural quadrature modulated carriers

Also Published As

Publication number Publication date
AU6531098A (en) 1998-10-20
US6081697A (en) 2000-06-27
MY120727A (en) 2005-11-30
DE69835200D1 (de) 2006-08-24
HK1028500A1 (en) 2001-02-16
EP0968570A1 (en) 2000-01-05
CN1257623A (zh) 2000-06-21
BR9808039A (pt) 2000-03-08
SA98190031A (ar) 2005-12-03
EP0968570B1 (en) 2006-07-12
CN1192494C (zh) 2005-03-09
WO1998043364A1 (en) 1998-10-01

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