DE60104171D1 - CDMA-Empfänger und CDMA-Empfangsverfahren - Google Patents

CDMA-Empfänger und CDMA-Empfangsverfahren

Info

Publication number: DE60104171D1
Authority: DE; Germany
Prior art keywords: cdma; reception method; receiver; cdma receiver; cdma reception
Prior art date: 2000-08-23
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

DE60104171T

Other languages

English (en)

Other versions

DE60104171T2 (de

Inventor

Michihiro C O Nec Corpo Ohsuge

Yutaka C O Nec Corpor Tomiyori

Noriyuki Tutsumi

Shinsuke Ogawa

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.)

NTT Docomo Inc

NEC Corp

Original Assignee

NTT Docomo Inc

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.)

2000-08-23

Filing date

2001-08-23

Publication date

2004-08-12

2001-08-23 Application filed by NTT Docomo Inc, NEC Corp filed Critical NTT Docomo Inc

2004-08-12 Application granted granted Critical

2004-08-12 Publication of DE60104171D1 publication Critical patent/DE60104171D1/de

2005-07-14 Publication of DE60104171T2 publication Critical patent/DE60104171T2/de

2021-08-24 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
- 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
- H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Radio Transmission System (AREA)
Mobile Radio Communication Systems (AREA)

DE2001604171 2000-08-23 2001-08-23 CDMA-Empfänger und CDMA-Empfangsverfahren Expired - Lifetime DE60104171T2 (de)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP2000252621		2000-08-23
JP2000252621		2000-08-23
JP2001241154		2001-08-08
JP2001241154A JP3501783B2 (ja)	2000-08-23	2001-08-08	Ｃｄｍａ受信装置およびｃｄｍａ受信方法

Publications (2)

Publication Number	Publication Date
DE60104171D1 true DE60104171D1 (de)	2004-08-12
DE60104171T2 DE60104171T2 (de)	2005-07-14

Family

ID=26598314

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE2001604171 Expired - Lifetime DE60104171T2 (de)	2000-08-23	2001-08-23	CDMA-Empfänger und CDMA-Empfangsverfahren

Country Status (6)

Country	Link
US (1)	US6810075B2 (de)
EP (1)	EP1182795B1 (de)
JP (1)	JP3501783B2 (de)
KR (1)	KR100433018B1 (de)
AU (1)	AU782033B2 (de)
DE (1)	DE60104171T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4567919B2 (ja) *	2001-07-09	2010-10-27	株式会社東芝	移動無線端末
US7020180B2 (en) *	2001-10-04	2006-03-28	Qualcomm Inc.	Method and apparatus for acquiring pilots over code space and frequency errors in a CDMA communication system
JP4165238B2 (ja) *	2003-01-29	2008-10-15	日本電気株式会社	パスサーチ回路及びその方法ならびにプログラム
FR2851098B1 (fr) *	2003-02-10	2006-08-25	Nortel Networks Ltd	Procede de traitement d'un signal par un recepteur radio et recepteur radio pour la mise en oeuvre du procede
JP3675446B2 (ja)	2003-03-26	2005-07-27	日本電気株式会社	Ｃｄｍａ受信装置、そのパス管理方法、及びパス管理プログラム
FR2853170A1 (fr) *	2003-03-31	2004-10-01	Nortel Networks Ltd	Procede de traitement d'un signal par un recepteur radio et recepteur radio pour la mise en oeuvre du procede
US8064494B2 (en) *	2003-05-28	2011-11-22	Qualcomm Incorporated	Last finger polling for rake receivers
FR2871636B1 (fr)	2004-06-10	2006-09-22	St Microelectronics Sa	Procede de traitement des signaux au sein d'un recepteur "rake" a plusieurs doigts lors d'un changement de configuration des doigts, et recepteur "rake" correspondant
CA2562220C (en) *	2005-10-05	2013-06-25	Lg Electronics Inc.	Method of processing traffic information and digital broadcast system
US7693241B2 (en) *	2005-10-31	2010-04-06	Qualcomm Incorporated	Rake receiver finger assignment based on signal path concentration
JP4585954B2 (ja) *	2005-11-02	2010-11-24	株式会社日立国際電気	パス制御方式
US8798214B2 (en) *	2007-11-14	2014-08-05	Qualcomm Incorporated	Minimum finger low-power demodulator for wireless communication

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI110043B (fi) *	1993-09-20	2002-11-15	Nokia Corp	Menetelmä kanavanvaihdon suorittamiseksi CDMA-solukkoradiojärjestelmässä sekä liikkuva asema
US5490165A (en) *	1993-10-28	1996-02-06	Qualcomm Incorporated	Demodulation element assignment in a system capable of receiving multiple signals
JP3095065B2 (ja)	1997-09-11	2000-10-03	日本電気株式会社	スペクトル拡散信号のレイク受信方法およびレイク受信装置
JP3031354B1 (ja) *	1998-09-30	2000-04-10	日本電気株式会社	Ｃｄｍａ受信装置及びそのマルチパスのフィンガ割り当て方法並びにその制御プログラムを記録した記録媒体
JP3387471B2 (ja) *	2000-02-14	2003-03-17	日本電気株式会社	スペクトラム拡散通信方式受信機およびスペクトラム拡散通信のパスサーチ方法
JP2001251212A (ja)	2000-03-08	2001-09-14	Nec Corp	フィンガ割り当て方式及びそれを用いた移動通信機
JP3565269B2 (ja) *	2001-08-22	2004-09-15	日本電気株式会社	Ｃｄｍａ受信装置とパスサーチ方法およびプログラム

2001
- 2001-08-08 JP JP2001241154A patent/JP3501783B2/ja not_active Expired - Fee Related
- 2001-08-23 AU AU63614/01A patent/AU782033B2/en not_active Ceased
- 2001-08-23 DE DE2001604171 patent/DE60104171T2/de not_active Expired - Lifetime
- 2001-08-23 US US09/935,821 patent/US6810075B2/en not_active Expired - Lifetime
- 2001-08-23 KR KR10-2001-0050911A patent/KR100433018B1/ko not_active Expired - Fee Related
- 2001-08-23 EP EP20010119701 patent/EP1182795B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
KR20020015969A (ko)	2002-03-02
JP2002141835A (ja)	2002-05-17
EP1182795B1 (de)	2004-07-07
KR100433018B1 (ko)	2004-05-24
DE60104171T2 (de)	2005-07-14
AU782033B2 (en)	2005-06-30
US20020024992A1 (en)	2002-02-28
AU6361401A (en)	2002-02-28
US6810075B2 (en)	2004-10-26
EP1182795A3 (de)	2003-01-15
JP3501783B2 (ja)	2004-03-02
EP1182795A2 (de)	2002-02-27

Publication	Publication Date	Title
DE60141982D1 (de)	2010-06-10	Satellitenempfänger und entsprechendes verfahren
DE60005488D1 (de)	2003-10-30	Mehrzweigempfangs-System und -Verfahren
DE60328168D1 (de)	2009-08-13	Empfangseinrichtung und empfangsverfahren
DE60125437D1 (de)	2007-02-08	Mehrwegedetektor und zugehöriges Verfahren
DE60128874D1 (de)	2007-07-26	Spread-spektrum-empfänger
PT1181397E (pt)	2003-12-31	Electrocatalisador de rodio e metodo de preparacao
DE69939419D1 (de)	2008-10-09	CDMA Empfänger und CDMA Sende/Empfänger
FI20000284L (fi)	2001-08-11	Häiriönpoistomenetelmä sekä vastaanotin
DE60132680D1 (de)	2008-03-20	CDMA Demodulationsschaltung und CDMA Demodulationsverfahren
DE60041502D1 (de)	2009-03-19	Drahtloser empfänger und zugehöriges kalibrierverfahren
DE69828235D1 (de)	2005-01-27	CDMA-Empfangsverfahren und Empfänger
DE60122160D1 (de)	2006-09-21	Antennenstruktur und zugehöriges verfahren
GB0026982D0 (en)	2000-12-20	Spread spectrum receiver and related method
DE50101948D1 (de)	2004-05-19	Empfangseinrichtung
DE60104171D1 (de)	2004-08-12	CDMA-Empfänger und CDMA-Empfangsverfahren
DE60308829D1 (de)	2006-11-16	Gps-empfängervorrichtung und empfangsverfahren
DE60008355D1 (de)	2004-03-25	Spreizspektrumempfänger und spreizspektrumempfangsverfahren
GB0122228D0 (en)	2001-11-07	GPS receiver and related method
DE60207802D1 (de)	2006-01-12	CDMA-Empfänger und Kanalschätzungsverfahren
DE60107993D1 (de)	2005-02-03	Mobile Empfängereinheit
GB0016663D0 (en)	2000-08-23	Receiver and method of receiving
DE69943028D1 (de)	2011-01-20	CDMA-Empfänger
DE60008930D1 (de)	2004-04-15	Synthese-empfangsverfahren und synthese-empfänger
DE60031472D1 (de)	2006-12-07	CDMA Empfänger
DE60135813D1 (de)	2008-10-30	CDMA Empfangsgerät und -verfahren

Legal Events

Date	Code	Title	Description
2005-08-18	8364	No opposition during term of opposition