SE9901208L - DS-CDMA störningsupphävare för flera användare - Google Patents

DS-CDMA störningsupphävare för flera användare

Info

Publication number
SE9901208L
SE9901208L SE9901208A SE9901208A SE9901208L SE 9901208 L SE9901208 L SE 9901208L SE 9901208 A SE9901208 A SE 9901208A SE 9901208 A SE9901208 A SE 9901208A SE 9901208 L SE9901208 L SE 9901208L
Authority
SE
Sweden
Prior art keywords
users
interference
user
cdma
interference components
Prior art date
Application number
SE9901208A
Other languages
English (en)
Other versions
SE519454C2 (sv
SE9901208D0 (sv
Inventor
Hideto Suzuki
Original Assignee
Nippon Electric Co
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 Nippon Electric Co filed Critical Nippon Electric Co
Publication of SE9901208D0 publication Critical patent/SE9901208D0/sv
Publication of SE9901208L publication Critical patent/SE9901208L/sv
Publication of SE519454C2 publication Critical patent/SE519454C2/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
    • H04B1/69—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
SE9901208A 1998-04-07 1999-04-06 DS-CDMA fleranvändarstörningsupphävare och DS-CDMA kommunikationssystem SE519454C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9507698A JP3024750B2 (ja) 1998-04-07 1998-04-07 Ｄｓ−ｃｄｍａマルチユーザ干渉キャンセラ装置及びｄｓ−ｃｄｍａ通信システム

Publications (3)

Publication Number Publication Date
SE9901208D0 SE9901208D0 (sv) 1999-04-06
SE9901208L true SE9901208L (sv) 1999-10-08
SE519454C2 SE519454C2 (sv) 2003-03-04

Family

ID=14127886

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9901208A SE519454C2 (sv) 1998-04-07 1999-04-06 DS-CDMA fleranvändarstörningsupphävare och DS-CDMA kommunikationssystem

Country Status (5)

Country Link
US (1) US6600729B1 (sv)
JP (1) JP3024750B2 (sv)
KR (1) KR100290500B1 (sv)
GB (1) GB2337419B (sv)
SE (1) SE519454C2 (sv)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3251261B2 (ja) * 1999-04-21 2002-01-28 エヌイーシーモバイリング株式会社 Ｃｄｍａ受信装置
US6816541B1 (en) * 1999-05-24 2004-11-09 Texas Instruments Incorporated Spread spectrum interference cancellation
EP1117186A1 (en) * 2000-01-14 2001-07-18 Lucent Technologies Inc. Adaptive code-tracking RAKE receiver for direct-sequence code-division multiple access (cdma) communications
EP1117185A1 (en) * 2000-01-14 2001-07-18 Lucent Technologies Inc. Method and rake receiver for code-tracking in CDMA communication systems
JP2001196835A (ja) 2000-01-17 2001-07-19 Matsushita Electric Ind Co Ltd 到来方向推定方法及び無線受信装置
JP2001203668A (ja) * 2000-01-18 2001-07-27 Matsushita Electric Ind Co Ltd 干渉信号除去装置および干渉信号除去方法
JP2001203619A (ja) * 2000-01-19 2001-07-27 Matsushita Electric Ind Co Ltd 無線基地局装置及び無線通信方法
EP1130792A1 (en) 2000-03-03 2001-09-05 Lucent Technologies Inc. A method and rake receiver for phasor estimation in communication systems
FR2813726B1 (fr) * 2000-09-01 2006-06-23 Thomson Csf Procede et dispositif pour demoduler des signaux provenant de multi-utilisateurs
JP3672808B2 (ja) * 2000-09-06 2005-07-20 松下電器産業株式会社 無線通信端末装置及び干渉キャンセル方法
DE10052392A1 (de) * 2000-10-20 2002-05-02 Alcatel Sa Basisstation eines funkbetriebenen Kommunikationssystems
US20020136234A1 (en) * 2001-02-14 2002-09-26 Hakan Eriksson Tuning the fingers of rake receiver
US7376175B2 (en) * 2001-03-14 2008-05-20 Mercury Computer Systems, Inc. Wireless communications systems and methods for cache enabled multiple processor based multiple user detection
AU2002250356A1 (en) * 2001-03-14 2002-09-24 Mercury Computer Systems, Inc. Wireless communications methods and systems for long-code and other spread spectrum waveform processing
JP2002374227A (ja) * 2001-06-13 2002-12-26 Nec Corp マルチユーザ干渉除去装置
GB2376607B (en) * 2001-06-15 2003-06-18 Motorola Inc A method for reducing interference to communications in time division duplexing (TDD) mode between a TDD mobile and a TDD base station
US7280585B2 (en) * 2002-02-11 2007-10-09 Texas Instruments Incorporated Parallel interference cancellation device for multi-user CDMA systems
CN100373836C (zh) * 2002-05-30 2008-03-05 华为技术有限公司 一种并行干扰对消方法及其装置
GB2418104B (en) * 2004-09-09 2007-03-28 Toshiba Res Europ Ltd An uplink interference cancelling CDMA base station uses the transmission timing of a new mobile station compared with that of other mobile stations
EP2284191A3 (en) * 2004-12-22 2011-07-20 Ambrx, Inc. Process for the preparation of hGH
WO2008011577A2 (en) * 2006-07-21 2008-01-24 Cardiac Pacemakers, Inc. Ultrasonic transducer for a metallic cavity implanted medical device
KR100816032B1 (ko) * 2007-02-13 2008-03-24 삼성전자주식회사 반복적 다중 사용자 검파를 통한 데이터 송수신 방법 및 그장치
US8195241B2 (en) 2009-12-23 2012-06-05 Northrop Grumman Systems Corporation High-performance cellular telephone receiver
JP6251605B2 (ja) * 2014-03-05 2017-12-20 株式会社日立国際電気 ノイズキャンセラー装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5553062A (en) 1993-04-22 1996-09-03 Interdigital Communication Corporation Spread spectrum CDMA interference canceler system and method
GB9313078D0 (en) 1993-06-25 1993-08-11 Roke Manor Research Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
US5740208A (en) * 1993-06-25 1998-04-14 Roke Manor Research Limited Interference cancellation apparatus for mitigating the effects of poor affiliation between a base station and a mobile unit
JP2927657B2 (ja) 1993-11-05 1999-07-28 ケイディディ株式会社 スペクトル拡散信号復調装置
JP3893151B2 (ja) * 1994-02-25 2007-03-14 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 多重アクセスディジタル伝送装置と無線基地局およびそのような装置に用いるための受信機
JP3285725B2 (ja) 1994-03-10 2002-05-27 沖電気工業株式会社 受信装置
US5790588A (en) * 1995-06-07 1998-08-04 Ntt Mobile Communications Network, Inc. Spread spectrum transmitter and receiver employing composite spreading codes
JP3272940B2 (ja) 1996-03-07 2002-04-08 ケイディーディーアイ株式会社 スペクトル拡散信号復調装置
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
JP2737775B2 (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の干渉レプリカ信号の伝送方式
JP3323067B2 (ja) 1996-07-12 2002-09-09 沖電気工業株式会社 Ｃｄｍａ受信装置
JP2798128B2 (ja) 1996-08-06 1998-09-17 日本電気株式会社 Ｃｄｍａマルチユーザ受信装置
US6067292A (en) 1996-08-20 2000-05-23 Lucent Technologies Inc Pilot interference cancellation for a coherent wireless code division multiple access receiver
JP3274388B2 (ja) 1997-07-25 2002-04-15 株式会社東芝 Ｒａｋｅ受信機とこのｒａｋｅ受信機を備えたスぺクトラム拡散通信装置

Also Published As

Publication number Publication date
GB9907921D0 (en) 1999-06-02
KR19990083022A (ko) 1999-11-25
JP3024750B2 (ja) 2000-03-21
KR100290500B1 (ko) 2001-05-15
SE519454C2 (sv) 2003-03-04
GB2337419B (en) 2003-03-12
US6600729B1 (en) 2003-07-29
GB2337419A (en) 1999-11-17
SE9901208D0 (sv) 1999-04-06
JPH11298445A (ja) 1999-10-29

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