DE69703290D1 - Als digitalsignalprozessor ausgeführter basisstationsempfänger für zellulares netzwerk - Google Patents

Als digitalsignalprozessor ausgeführter basisstationsempfänger für zellulares netzwerk

Info

Publication number
DE69703290D1
DE69703290D1 DE69703290T DE69703290T DE69703290D1 DE 69703290 D1 DE69703290 D1 DE 69703290D1 DE 69703290 T DE69703290 T DE 69703290T DE 69703290 T DE69703290 T DE 69703290T DE 69703290 D1 DE69703290 D1 DE 69703290D1
Authority
DE
Germany
Prior art keywords
base station
digital signal
signal processor
cellular network
station receiver
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
DE69703290T
Other languages
English (en)
Other versions
DE69703290T2 (de
Inventor
Kishan Shenoi
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.)
Microsemi Frequency and Time Corp
Original Assignee
Symmetricom 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 Symmetricom Inc filed Critical Symmetricom Inc
Publication of DE69703290D1 publication Critical patent/DE69703290D1/de
Application granted granted Critical
Publication of DE69703290T2 publication Critical patent/DE69703290T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE69703290T 1996-06-17 1997-06-16 Als digitalsignalprozessor ausgeführter basisstationsempfänger für zellulares netzwerk Expired - Fee Related DE69703290T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/664,705 US5764704A (en) 1996-06-17 1996-06-17 DSP implementation of a cellular base station receiver
PCT/US1997/010497 WO1997049171A2 (en) 1996-06-17 1997-06-16 Dsp implementation of a cellular base station receiver

Publications (2)

Publication Number Publication Date
DE69703290D1 true DE69703290D1 (de) 2000-11-16
DE69703290T2 DE69703290T2 (de) 2001-04-05

Family

ID=24667115

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69703290T Expired - Fee Related DE69703290T2 (de) 1996-06-17 1997-06-16 Als digitalsignalprozessor ausgeführter basisstationsempfänger für zellulares netzwerk

Country Status (10)

Country Link
US (1) US5764704A (de)
EP (1) EP0906656B1 (de)
JP (1) JP2001511319A (de)
AR (1) AR007405A1 (de)
AU (1) AU3398497A (de)
CA (1) CA2258009C (de)
DE (1) DE69703290T2 (de)
TW (1) TW327711B (de)
WO (1) WO1997049171A2 (de)
ZA (1) ZA975328B (de)

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US6647069B1 (en) * 1998-05-01 2003-11-11 Texas Instruments Incorporated Method and apparatus for capacity increase and enhanced communications performance in CATV networks
US6792267B1 (en) * 1998-05-29 2004-09-14 Ericsson Inc. Systems and methods for uplinking downsampled radiotelephone signals from cellular radiotelephone base stations to a cellular radio exchange
US6496546B1 (en) * 1998-07-15 2002-12-17 Lucent Technologies Inc. Software-defined transceiver for a wireless telecommunications system
JP4284568B2 (ja) * 1999-03-18 2009-06-24 ソニー株式会社 受信装置および方法、並びに記録媒体
US6377843B1 (en) * 2000-03-03 2002-04-23 Paceart Associates, L.P. Transtelephonic monitoring of multi-channel ECG waveforms
US6331836B1 (en) 2000-08-24 2001-12-18 Fast Location.Net, Llc Method and apparatus for rapidly estimating the doppler-error and other receiver frequency errors of global positioning system satellite signals weakened by obstructions in the signal path
US7003094B2 (en) * 2000-12-07 2006-02-21 Agere Systems Inc. Adaptive interference cancellation for ADSL
US9052374B2 (en) 2001-07-18 2015-06-09 Fast Location.Net, Llc Method and system for processing positioning signals based on predetermined message data segment
US6882309B2 (en) * 2001-07-18 2005-04-19 Fast Location. Net, Llc Method and system for processing positioning signals based on predetermined message data segment
US6529160B2 (en) 2001-07-18 2003-03-04 Fast Location.Net, Llc Method and system for determining carrier frequency offsets for positioning signals
US6515620B1 (en) 2001-07-18 2003-02-04 Fast Location.Net, Llc Method and system for processing positioning signals in a geometric mode
US6628234B2 (en) * 2001-07-18 2003-09-30 Fast Location.Net, Llc Method and system for processing positioning signals in a stand-alone mode
US7382984B2 (en) * 2002-10-03 2008-06-03 Nortel Networks Limited Electrical domain compensation of optical dispersion in an optical communications system
US6831491B2 (en) * 2002-12-23 2004-12-14 Agilent Technologies, Inc. Systems and methods for correcting phase locked loop tracking error using feed-forward phase modulation
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
JP4843288B2 (ja) * 2005-09-29 2011-12-21 株式会社東芝 Ａｍ／ｆｍ混合信号処理装置
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8392176B2 (en) * 2006-04-10 2013-03-05 Qualcomm Incorporated Processing of excitation in audio coding and decoding
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
CN101146307B (zh) * 2006-12-14 2010-12-08 中兴通讯股份有限公司 一种频谱扫描装置及其方法
WO2008144017A1 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2008156800A1 (en) 2007-06-19 2008-12-24 Parkervision, Inc. Combiner-less multiple input single output (miso) amplification with blended control
WO2009005768A1 (en) 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US20090198500A1 (en) * 2007-08-24 2009-08-06 Qualcomm Incorporated Temporal masking in audio coding based on spectral dynamics in frequency sub-bands
WO2009145887A1 (en) 2008-05-27 2009-12-03 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2012139126A1 (en) 2011-04-08 2012-10-11 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
JP6174574B2 (ja) 2011-06-02 2017-08-02 パーカーヴィジョン インコーポレイテッド アンテナ制御
US8666331B2 (en) * 2012-02-09 2014-03-04 Broadcom Corporation Cascading baseband processors
KR101488776B1 (ko) * 2013-05-14 2015-02-04 주식회사 에치에프알 클라우드 이동무선 액세스 네트워크에서의 무선신호 감시 방법 및 장치
KR20160058855A (ko) 2013-09-17 2016-05-25 파커비전, 인크. 정보를 포함하는 시간의 함수를 렌더링하기 위한 방법, 장치 및 시스템
CN111585928B (zh) * 2020-04-28 2023-05-05 中国电子科技集团公司第三研究所 一种语音信号单边带调制和解调方法及装置

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US3634773A (en) * 1969-12-15 1972-01-11 Ibm Carrier phase and sampling time recovery in modulation systems
EP0184923B1 (de) * 1984-12-10 1992-03-04 Nippon Telegraph And Telephone Corporation Einseitenbandübertragungssystem
US4947408A (en) * 1989-05-12 1990-08-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Digital carrier demodulator employing components working beyond normal limits
EP0399758B1 (de) * 1989-05-25 1996-07-17 Sony Corporation FM-Demodulator
US5434577A (en) * 1989-11-17 1995-07-18 Baghdady; Elie J. Signal modulation methods and apparatus
US5177611A (en) * 1990-07-31 1993-01-05 Rca Licensing Corporation Method and apparatus for canceling quadrature distortion as for video signals having in-phase and quadrature phase components
US5422909A (en) * 1993-11-30 1995-06-06 Motorola, Inc. Method and apparatus for multi-phase component downconversion
US5504455A (en) * 1995-05-16 1996-04-02 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government Efficient digital quadrature demodulator

Also Published As

Publication number Publication date
ZA975328B (en) 1998-07-27
AR007405A1 (es) 1999-10-27
JP2001511319A (ja) 2001-08-07
WO1997049171A3 (en) 1998-03-12
EP0906656A2 (de) 1999-04-07
CA2258009C (en) 2003-05-27
US5764704A (en) 1998-06-09
WO1997049171A2 (en) 1997-12-24
TW327711B (en) 1998-03-01
CA2258009A1 (en) 1997-12-24
EP0906656B1 (de) 2000-10-11
AU3398497A (en) 1998-01-07
DE69703290T2 (de) 2001-04-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee