DE69941209D1 - DS-CDMA Mehrbenutzerinterferenzkompensator und CDMA Mehrbenutzerssystem unter Verwendung desselben - Google Patents

DS-CDMA Mehrbenutzerinterferenzkompensator und CDMA Mehrbenutzerssystem unter Verwendung desselben

Info

Publication number
DE69941209D1
DE69941209D1 DE69941209T DE69941209T DE69941209D1 DE 69941209 D1 DE69941209 D1 DE 69941209D1 DE 69941209 T DE69941209 T DE 69941209T DE 69941209 T DE69941209 T DE 69941209T DE 69941209 D1 DE69941209 D1 DE 69941209D1
Authority
DE
Germany
Prior art keywords
cdma multi
user
same
interference compensator
cdma
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 - Lifetime
Application number
DE69941209T
Other languages
English (en)
Inventor
Hideto Suzuki
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69941209D1 publication Critical patent/DE69941209D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • 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
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H04B1/71075—Parallel interference cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
DE69941209T 1998-12-17 1999-12-17 DS-CDMA Mehrbenutzerinterferenzkompensator und CDMA Mehrbenutzerssystem unter Verwendung desselben Expired - Lifetime DE69941209D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP35917298A JP3121319B2 (ja) 1998-12-17 1998-12-17 Ｄｓ−ｃｄｍａマルチユーザ干渉キャンセラとそのシステム

Publications (1)

Publication Number Publication Date
DE69941209D1 true DE69941209D1 (de) 2009-09-17

Family

ID=18463121

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69941209T Expired - Lifetime DE69941209D1 (de) 1998-12-17 1999-12-17 DS-CDMA Mehrbenutzerinterferenzkompensator und CDMA Mehrbenutzerssystem unter Verwendung desselben

Country Status (5)

Country Link
US (1) US7068743B1 (de)
EP (1) EP1011205B1 (de)
JP (1) JP3121319B2 (de)
KR (1) KR100364886B1 (de)
DE (1) DE69941209D1 (de)

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KR100383860B1 (ko) * 2000-11-23 2003-05-14 주식회사 카서 극성교번 펄스폭 코드 분할 다중 접속 방식 및 이를이용한 통화 장비간의 거리 측정 방법
KR100540075B1 (ko) * 2002-10-17 2006-01-10 광주과학기술원 Ｄｓ/ｃｄｍａ 시스템의 순차적 간섭제거기에 있어서 수신신호 검출순서 할당방법
AU2002349470A1 (en) * 2002-11-29 2004-06-23 Zte Corporation A method and unit for multi-user interference cancellation
TWI240509B (en) * 2003-05-13 2005-09-21 Benq Corp A simplified method of partial parallel interference cancellation
US7248847B2 (en) * 2004-04-22 2007-07-24 Kyocera Wireless Corp. System and method for adaptively controlling receiver gain switch points
JP4605090B2 (ja) * 2005-08-29 2011-01-05 パナソニック株式会社 高周波受信装置
US7761065B2 (en) * 2006-02-03 2010-07-20 Quantance, Inc. RF power amplifier controller circuit with compensation for output impedance mismatch
US7933570B2 (en) * 2006-02-03 2011-04-26 Quantance, Inc. Power amplifier controller circuit
US8032097B2 (en) 2006-02-03 2011-10-04 Quantance, Inc. Amplitude error de-glitching circuit and method of operating
CN101401261B (zh) * 2006-02-03 2012-11-21 匡坦斯公司 功率放大器控制器电路
US7917106B2 (en) * 2006-02-03 2011-03-29 Quantance, Inc. RF power amplifier controller circuit including calibrated phase control loop
US8095090B2 (en) * 2006-02-03 2012-01-10 Quantance, Inc. RF power amplifier controller circuit
US7869542B2 (en) * 2006-02-03 2011-01-11 Quantance, Inc. Phase error de-glitching circuit and method of operating
US20080102773A1 (en) * 2006-10-31 2008-05-01 Motorola, Inc. Method and apparatus to facilitate use of intermodulation product results to control gain for a received wireless signal
KR100836703B1 (ko) 2006-12-07 2008-06-10 한국전자통신연구원 이동 통신 시스템의 병렬형 다중 간섭 잡음 제거 장치 및그 방법
US9253009B2 (en) * 2007-01-05 2016-02-02 Qualcomm Incorporated High performance station
US7760122B1 (en) * 2008-05-02 2010-07-20 Pmc-Sierra, Inc. Power optimized ADC for wireless transceivers
KR101040989B1 (ko) * 2009-06-17 2011-06-16 국방과학연구소 Ｇｐｓ 시스템에 있어서 안티-재밍을 위한 배열안테나의 이득 및 대역폭 조절 장치 및 방법
US8670432B2 (en) 2009-06-22 2014-03-11 Qualcomm Incorporated Methods and apparatus for coordination of sending reference signals from multiple cells
US9439201B2 (en) 2011-10-07 2016-09-06 Telefonaktiebolaget Lm Ericsson (Publ) Interference cancellation
US8903369B2 (en) * 2012-02-24 2014-12-02 Nokia Siemens Networks Oy Methods and apparatus for interference management
US9184775B2 (en) * 2013-07-03 2015-11-10 Raytheon Company Methods and apparatus for adaptive nonlinear coincident interference cancellation
US8922401B1 (en) 2013-09-25 2014-12-30 Raytheon Company Methods and apparatus for interference canceling data conversion
KR101958862B1 (ko) 2017-09-18 2019-03-15 쌍용건설 주식회사 연속 콘크리트 거더 및 이를 이용한 교량구조물
US10855327B2 (en) * 2019-03-01 2020-12-01 Huawei Technologies Co., Ltd. Parallelized successive interference cancellation (PSiC) receiver architecture for wireless communications systems
US10872045B1 (en) * 2019-07-11 2020-12-22 Nokia Technologies Oy Method and apparatus for symbol detection

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JP2570967B2 (ja) * 1993-07-08 1997-01-16 日本電気株式会社 Ｃｄｍａ受信機
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KR950035142A (ko) * 1994-03-10 1995-12-30 가나미야지 준 수신장치, 기지국 수신 시스템 및 이동국 수신시스템
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JPH09219668A (ja) * 1996-02-14 1997-08-19 Murata Mfg Co Ltd スペクトル拡散通信装置
JPH09238094A (ja) 1996-02-29 1997-09-09 Matsushita Electric Ind Co Ltd Ｃｄｍａ方式無線データ受信装置
JP2737776B2 (ja) 1996-03-29 1998-04-08 日本電気株式会社 Ｄｓ−ｃｄｍａマルチユーザーシリアル干渉キャンセラ装置
US5901185A (en) * 1996-04-15 1999-05-04 Ericsson Inc. Systems and methods for data-augmented, pilot-symbol-assisted radiotelephone communications
US5909645A (en) * 1996-06-21 1999-06-01 Lucent Technologies Inc. Receiver with dynamic attenuation control for adaptive intermodulation performance enhancement
JP3180682B2 (ja) * 1996-09-19 2001-06-25 日本電気株式会社 受信機
US6009129A (en) * 1997-02-28 1999-12-28 Nokia Mobile Phones Device and method for detection and reduction of intermodulation distortion
JP3586348B2 (ja) * 1997-03-05 2004-11-10 富士通株式会社 信号対干渉電力比測定装置及び信号対干渉電力比測定方法並びにｃｄｍａ通信方式下での送信電力制御方法
JPH11136142A (ja) * 1997-11-03 1999-05-21 Nec Shizuoka Ltd 利得制御回路及び利得制御方法
JPH11168408A (ja) 1997-12-05 1999-06-22 Fujitsu Ltd 干渉キャンセラ装置
CA2261841C (en) * 1998-02-13 2002-01-22 Nec Corporation Adaptive receiving device for antennas
JP3411208B2 (ja) * 1998-03-13 2003-05-26 富士通株式会社 デジタル無線受信装置
JPH11298343A (ja) * 1998-04-15 1999-10-29 Sony Corp 携帯通信装置
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US6324387B1 (en) * 1998-12-29 2001-11-27 Philips Electronics N.A. Corp. LNA control-circuit for receive closed loop automatic gain control

Also Published As

Publication number Publication date
EP1011205A2 (de) 2000-06-21
JP3121319B2 (ja) 2000-12-25
KR20000057064A (ko) 2000-09-15
EP1011205B1 (de) 2009-08-05
US7068743B1 (en) 2006-06-27
JP2000183850A (ja) 2000-06-30
EP1011205A3 (de) 2003-09-10
KR100364886B1 (ko) 2002-12-16

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