SE516182C2 - Mottagning av olika signalformatstandarder i radiosystem med flera standarder - Google Patents

Mottagning av olika signalformatstandarder i radiosystem med flera standarder

Info

Publication number
SE516182C2
SE516182C2 SE9900719A SE9900719A SE516182C2 SE 516182 C2 SE516182 C2 SE 516182C2 SE 9900719 A SE9900719 A SE 9900719A SE 9900719 A SE9900719 A SE 9900719A SE 516182 C2 SE516182 C2 SE 516182C2
Authority
SE
Sweden
Prior art keywords
signal
resampling
cdma
rocket
demodulation
Prior art date
Application number
SE9900719A
Other languages
English (en)
Swedish (sv)
Other versions
SE9900719L (sv
SE9900719D0 (sv
Inventor
Richard Hellberg
Anders Wedin
Original Assignee
Ericsson Telefon Ab L M
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 Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9900719A priority Critical patent/SE516182C2/sv
Publication of SE9900719D0 publication Critical patent/SE9900719D0/xx
Priority to TW089101973A priority patent/TW498643B/zh
Priority to DE60034769T priority patent/DE60034769T2/de
Priority to AU33404/00A priority patent/AU3340400A/en
Priority to EP00911539A priority patent/EP1155581B1/en
Priority to KR1020017010779A priority patent/KR100751169B1/ko
Priority to US09/512,377 priority patent/US6798850B1/en
Priority to JP2000601866A priority patent/JP2002538692A/ja
Priority to CN00804316A priority patent/CN1130937C/zh
Priority to PCT/SE2000/000370 priority patent/WO2000051376A1/en
Publication of SE9900719L publication Critical patent/SE9900719L/xx
Publication of SE516182C2 publication Critical patent/SE516182C2/sv

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
    • H04B1/26—Circuits for superheterodyne receivers
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
    • H04B1/0014—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0028—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
    • H04B1/0039—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
    • 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
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • H04B2201/70705—Rate detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707—Efficiency-related aspects
    • H04B2201/7071—Efficiency-related aspects with dynamic control of receiver resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
    • H04L7/0029—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radio Transmission System (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Superheterodyne Receivers (AREA)
SE9900719A 1999-02-26 1999-02-26 Mottagning av olika signalformatstandarder i radiosystem med flera standarder SE516182C2 (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE9900719A SE516182C2 (sv) 1999-02-26 1999-02-26 Mottagning av olika signalformatstandarder i radiosystem med flera standarder
TW089101973A TW498643B (en) 1999-02-26 2000-02-03 Method and arrangement in a radio receiver system with several standards
PCT/SE2000/000370 WO2000051376A1 (en) 1999-02-26 2000-02-25 Method and arrangement in a radio receiver system with several standards
EP00911539A EP1155581B1 (en) 1999-02-26 2000-02-25 Method and arrangement in a radio receiver system with several standards
AU33404/00A AU3340400A (en) 1999-02-26 2000-02-25 Method and arrangement in a radio receiver system with several standards
DE60034769T DE60034769T2 (de) 1999-02-26 2000-02-25 Verfahren und anordnung in einem funkempfängersystem mit mehreren standards
KR1020017010779A KR100751169B1 (ko) 1999-02-26 2000-02-25 여러 표준을 갖는 무선 수신기 시스템에서의 방법 및 장치
US09/512,377 US6798850B1 (en) 1999-02-26 2000-02-25 Method and arrangement in a radio receiver system with several standards
JP2000601866A JP2002538692A (ja) 1999-02-26 2000-02-25 種々の標準を用いる無線受信機システムにおける方法及び装置
CN00804316A CN1130937C (zh) 1999-02-26 2000-02-25 具有几个标准的无线电接收机系统中的方法和装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9900719A SE516182C2 (sv) 1999-02-26 1999-02-26 Mottagning av olika signalformatstandarder i radiosystem med flera standarder

Publications (3)

Publication Number Publication Date
SE9900719D0 SE9900719D0 (sv) 1999-02-26
SE9900719L SE9900719L (sv) 2000-08-27
SE516182C2 true SE516182C2 (sv) 2001-11-26

Family

ID=20414669

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9900719A SE516182C2 (sv) 1999-02-26 1999-02-26 Mottagning av olika signalformatstandarder i radiosystem med flera standarder

Country Status (10)

Country Link
US (1) US6798850B1 (ja)
EP (1) EP1155581B1 (ja)
JP (1) JP2002538692A (ja)
KR (1) KR100751169B1 (ja)
CN (1) CN1130937C (ja)
AU (1) AU3340400A (ja)
DE (1) DE60034769T2 (ja)
SE (1) SE516182C2 (ja)
TW (1) TW498643B (ja)
WO (1) WO2000051376A1 (ja)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10044258A1 (de) * 2000-09-07 2002-04-04 Siemens Ag Verfahren und Vorrichtung zum Konvertieren einer Abtastfrequenz
SE0003520L (sv) * 2000-09-29 2002-03-30 Spirea Ab Flerstandardmottagare
DE60009095T2 (de) 2000-12-07 2004-08-19 Motorola, Inc., Schaumburg Mehrzweigiger Kommunikationsempfänger
US6885654B2 (en) * 2001-02-06 2005-04-26 Interdigital Technology Corporation Low complexity data detection using fast fourier transform of channel correlation matrix
US6996158B2 (en) * 2001-02-22 2006-02-07 Freescale Semiconductors, Inc. Signal detection using a CDMA receiver
US7164741B2 (en) * 2001-05-09 2007-01-16 Signum Concept, Inc. Non-recursive resampling digital fir filter structure for demodulating 3G cellular signals
US7158591B2 (en) * 2001-05-09 2007-01-02 Signum Concept, Inc. Recursive resampling digital filter structure for demodulating 3G wireless signals
US20040141522A1 (en) * 2001-07-11 2004-07-22 Yossi Texerman Communications protocol for wireless lan harmonizing the ieee 802.11a and etsi hiperla/2 standards
US7729698B2 (en) 2001-09-27 2010-06-01 Qualcomm Incorporated Communication system receiver and method for concurrent receiving of multiple channels
ES2192970B1 (es) * 2001-12-14 2005-09-01 Dyctel Infraestructuras De Telecomunicaciones, S.A. Antena inteligente compatible modular multiestandar para comunicaciones celulares en entornos multioperador.
US8761321B2 (en) 2005-04-07 2014-06-24 Iii Holdings 1, Llc Optimal feedback weighting for soft-decision cancellers
US7808937B2 (en) 2005-04-07 2010-10-05 Rambus, Inc. Variable interference cancellation technology for CDMA systems
US8179946B2 (en) 2003-09-23 2012-05-15 Rambus Inc. Systems and methods for control of advanced receivers
GB2396276A (en) * 2002-12-10 2004-06-16 Ttp Com Ltd A receiver using different sampling rates for 2G and 3G signals
KR100542118B1 (ko) * 2002-12-12 2006-01-11 한국전자통신연구원 소프트웨어 무선 시스템을 위한 디지털 여파기와 이를 구비한 디지털 중간 주파수 대역 신호 처리 장치 및 그 방법
US7403556B2 (en) * 2003-06-30 2008-07-22 Via Technologies Inc. Radio receiver supporting multiple modulation formats with a single pair of ADCs
ES2430548T3 (es) * 2003-11-17 2013-11-21 Telefonaktiebolaget L M Ericsson (Publ) Encapsulado de diversos protocolos sobre una interfaz interna de una estación de base de radio distribuida
US20050143131A1 (en) * 2003-12-19 2005-06-30 Gish David W. Base station processing using SONET links
EP1783921B1 (en) * 2004-08-10 2007-12-05 Antennea Technologies, S.L. Plug-in adaptive antenna system and operating method thereof
US7453856B2 (en) * 2004-09-03 2008-11-18 Telefonaktiebolaget Lm Ericsson (Publ) Method, apparatus, and communications interface for sending and receiving data blocks associated with different multiple access techniques
US7826516B2 (en) 2005-11-15 2010-11-02 Rambus Inc. Iterative interference canceller for wireless multiple-access systems with multiple receive antennas
CN100416280C (zh) * 2005-12-08 2008-09-03 东南大学 感知无线电前端射频信号检测设备
US20070286311A1 (en) * 2006-05-01 2007-12-13 Coyne Paul T Communications system comprising channelized receiver
US7929868B2 (en) * 2006-06-21 2011-04-19 Sigmatel, Inc. Infrared receiver, infrared bridge device and methods for use therewith
US8041477B2 (en) * 2006-11-21 2011-10-18 Lockheed Martin Corporation Methods and apparatus for providing access to vehicle electronic systems
US7773034B2 (en) * 2006-12-27 2010-08-10 Intel Corporation Method for acquisition of GPS signals and GPS receiver with sample time error and frequency offset compensation
FR2920063B1 (fr) * 2007-08-17 2011-04-29 Thales Sa Recepteur de signaux haute frequence recevant simultanement plusieurs tels signaux
WO2010000338A1 (en) * 2008-07-04 2010-01-07 Telefonaktiebolaget L M Ericsson (Publ) Method for the combination and separation of baseband signals
US8412093B2 (en) * 2008-10-22 2013-04-02 Mediatek Inc. Receiver applying channel selection filter for receiving satellite signal and receiving method thereof
US8848771B2 (en) 2009-05-14 2014-09-30 Qualcomm Incorporated System and method for simultaneous operation of multiple modems using a single transceiver
US9313791B2 (en) 2009-05-14 2016-04-12 Qualcomm Incorporated System and method for dropping and adding an air interface in a wireless communication system
US9252998B2 (en) 2013-02-25 2016-02-02 Itron, Inc. Radio to detect and compensate for frequency misalignment
US8958506B2 (en) 2013-02-25 2015-02-17 Itron, Inc. FSK/MSK decoder
US9014307B2 (en) * 2013-02-25 2015-04-21 Itron, Inc. Radio to analog-to-digital sample rate decoupled from digital subsystem
US9426680B2 (en) 2013-02-25 2016-08-23 Itron, Inc. Real-time radio spectrum assessment engine
US9077487B2 (en) * 2013-02-25 2015-07-07 Itron, Inc. Radio to support channel plans of arbitrary width and/or spacing
US8934532B2 (en) 2013-02-25 2015-01-13 Itron, Inc. Simultaneous reception of multiple modulation schemes
US8913701B2 (en) 2013-02-25 2014-12-16 Itron, Inc. Multichannel radio receiver with overlapping channel filters
EP2900034B1 (en) * 2014-01-22 2017-05-17 Alcatel Lucent Device for processing signals of a communication standard to produce signals of another communication standard for a radio equipment
KR101489357B1 (ko) * 2014-03-28 2015-02-06 삼성탈레스 주식회사 다중 대역폭 채널을 지원하기 위한 다상 채널 필터 구조의 위성 통신용 송／수신 장치
KR101433181B1 (ko) 2014-03-28 2014-08-27 삼성탈레스 주식회사 비등간격 채널에 적용 가능한 다상 채널 필터 구조의 위성 통신용 송／수신 방법
US9992124B2 (en) 2015-10-09 2018-06-05 Itron, Inc. Multi-channel decoder architecture

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5513209A (en) 1993-02-26 1996-04-30 Holm; Gunnar Resampling synchronizer of digitally sampled signals
US5504785A (en) 1993-05-28 1996-04-02 Tv/Com Technologies, Inc. Digital receiver for variable symbol rate communications
JP2734952B2 (ja) * 1993-12-16 1998-04-02 日本電気株式会社 Ｃｄｍａ基地局受信装置
US5717823A (en) 1994-04-14 1998-02-10 Lucent Technologies Inc. Speech-rate modification for linear-prediction based analysis-by-synthesis speech coders
US5598439A (en) 1994-05-13 1997-01-28 Hewlett-Packard Company Method and apparatus for symbol clock phase recovery
US5592480A (en) * 1995-03-13 1997-01-07 Carney; Ronald R. Wideband wireless basestation making use of time division multiple-access bus having selectable number of time slots and frame synchronization to support different modulation standards
US5640416A (en) 1995-06-07 1997-06-17 Comsat Corporation Digital downconverter/despreader for direct sequence spread spectrum communications system
US5790529A (en) * 1996-08-01 1998-08-04 Motorola, Inc. Communications network node with switched channelizer architecture
JPH10145345A (ja) 1996-11-14 1998-05-29 Nippon Telegr & Teleph Corp <Ntt> 従属同期方法及びそのシステム
US5960040A (en) 1996-12-05 1999-09-28 Raytheon Company Communication signal processors and methods

Also Published As

Publication number Publication date
SE9900719L (sv) 2000-08-27
EP1155581A1 (en) 2001-11-21
WO2000051376A1 (en) 2000-08-31
DE60034769T2 (de) 2008-01-17
CN1354955A (zh) 2002-06-19
JP2002538692A (ja) 2002-11-12
US6798850B1 (en) 2004-09-28
AU3340400A (en) 2000-09-14
CN1130937C (zh) 2003-12-10
KR20010103024A (ko) 2001-11-17
EP1155581B1 (en) 2007-05-09
SE9900719D0 (sv) 1999-02-26
TW498643B (en) 2002-08-11
DE60034769D1 (de) 2007-06-21
KR100751169B1 (ko) 2007-08-22

Similar Documents

Publication Publication Date Title
SE516182C2 (sv) Mottagning av olika signalformatstandarder i radiosystem med flera standarder
US6985545B2 (en) Apparatus and method to provide spectrum sharing for two or more RF signals occupying an overlapping RF bandwidth
US8031810B1 (en) ADC architecture for wireless applications
US6879623B2 (en) Method and apparatus for timing recovery in a communication device
JP4720658B2 (ja) 同期検出回路およびマルチモード無線通信装置
JP2001016136A (ja) 直接拡散ｃｄｍａ受信機
CN116743236A (zh) 一种面向高效传输的连续多载波信号的解调装置
US20040091031A1 (en) Integrated modulators and demodulators
JP4054032B2 (ja) フレーム同期検出方法
US6959035B2 (en) Post-correlation interpolation for delay locked loops
US7145939B2 (en) Receiving circuit
JP3816684B2 (ja) スペクトル拡散受信装置
KR100426369B1 (ko) 무선통신 시스템에서 보간기를 이용한 의사 잡음 코드추적 시간 지연 루프 장치
JP2002094584A (ja) 受信装置及びタイミング推定方法
JP4130165B2 (ja) 復調回路
KR100438519B1 (ko) 순방향 구조로 심볼 타이밍을 추정하는 수신 시스템 및 그타이밍 추정방법
CN115361037B (zh) 一种慢衰落信道下的超宽带rake接收方法及装置
JP4286998B2 (ja) マッチトフィルタを用いた同期検出回路
JP2005303846A (ja) ディジタル復調器
EP1742377B1 (en) Code tracking loop using non-integer amount of samples per symbol
WO2003005596A1 (fr) Appareil de reception amrc et procede a decision souple des symboles de codes de correction d&#39;erreur
JPH1056442A (ja) スペクトル拡散通信のパスダイバシティ受信方式および装置
JP2000269855A (ja) マッチドフィルタ
JP4180967B2 (ja) 信号復調装置
JP4745410B2 (ja) 無線通信復調装置

Legal Events

Date Code Title Description
NUG Patent has lapsed