DE60325685D1 - Empfangseinrichtung, Demodulator und Kommunikationsverfahren - Google Patents

Empfangseinrichtung, Demodulator und Kommunikationsverfahren

Info

Publication number: DE60325685D1
Authority: DE; Germany
Prior art keywords: demodulator; receiving device; communication method; communication; receiving
Prior art date: 2002-11-12
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

DE60325685T

Other languages

English (en)

Inventor

Hiroyuki Ishii

Masafumi Usuda

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

Original Assignee

NTT Docomo 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.)

2002-11-12

Filing date

2003-11-11

Publication date

2009-02-26

2003-11-11 Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc

2009-02-26 Application granted granted Critical

2009-02-26 Publication of DE60325685D1 publication Critical patent/DE60325685D1/de

2023-11-12 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/061—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of DC offset
- H04L25/062—Setting decision thresholds using feedforward techniques only
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/38—Demodulator circuits; Receiver circuits
- H04L27/3809—Amplitude regulation arrangements

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)
Mobile Radio Communication Systems (AREA)

DE60325685T 2002-11-12 2003-11-11 Empfangseinrichtung, Demodulator und Kommunikationsverfahren Expired - Lifetime DE60325685D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2002328787A JP3898115B2 (ja)	2002-11-12	2002-11-12	受信装置、復調器及び通信方法

Publications (1)

Publication Number	Publication Date
DE60325685D1 true DE60325685D1 (de)	2009-02-26

Family

ID=32171368

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE60325685T Expired - Lifetime DE60325685D1 (de)	2002-11-12	2003-11-11	Empfangseinrichtung, Demodulator und Kommunikationsverfahren

Country Status (5)

Country	Link
US (1)	US7564924B2 (de)
EP (1)	EP1420558B1 (de)
JP (1)	JP3898115B2 (de)
CN (1)	CN100531178C (de)
DE (1)	DE60325685D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4316500B2 (ja)	2002-07-19	2009-08-19	インターデイジタルテクノロジーコーポレーション	受信ダイバーシティを用いるブロック送信のためのグループ単位連続干渉キャンセル
US7154966B2 (en) *	2003-06-30	2006-12-26	Telefonaktiebolaget L M Ericsson (Publ)	Method and system for M-QAM detection in communication systems
US7609754B2 (en) *	2005-08-30	2009-10-27	Telefonaktiebolaget Lm Ericsson (Publ)	Method and apparatus for received communication signal processing
EP1876786A1 (de) *	2006-07-03	2008-01-09	Koninklijke Philips Electronics N.V.	Blinde Amplitudenschätzung für empfangene Symbole
AU2007214342A1 (en)	2006-09-20	2008-04-03	Nec Australia Pty Ltd	Demodulation method
JP4739172B2 (ja) *	2006-11-22	2011-08-03	富士通株式会社	受信同期制御装置、受信同期制御方法およびそのためのプログラム
USD1013170S1 (en)	2020-10-29	2024-01-30	Cilag Gmbh International	Surgical instrument assembly

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9211712D0 (en) *	1992-06-03	1992-07-15	Fujitsu Microelectronics Ltd	Gm digital receive processing
JPH06244888A (ja)	1993-02-12	1994-09-02	Fujitsu Ltd	Ｑａｍ復調器
JP3421452B2 (ja)	1994-12-07	2003-06-30	富士通株式会社	非線形歪補償装置
JP2885772B1 (ja)	1997-12-17	1999-04-26	日本電気移動通信株式会社	Ｃｄｍａシステムにおける受信方法、受信品質推定方法、送信電力制御方法及び送受信装置
US6757340B1 (en)	1999-02-22	2004-06-29	Telefonaktiebolaget L M Ericsson (Publ)	Radio receiver and method for preloading an average DC-offset into a channel filter
JP3583006B2 (ja) *	1999-02-24	2004-10-27	株式会社日立国際電気	符号分割多重アクセス受信機
US7027537B1 (en) *	1999-03-05	2006-04-11	The Board Of Trustees Of The Leland Stanford Junior University	Iterative multi-user detection
JP3983542B2 (ja) *	1999-06-29	2007-09-26	三菱電機株式会社	自動周波数制御回路および復調装置
US6961393B1 (en) *	1999-07-14	2005-11-01	Lucent Technologies Inc.	In-band-on-channel (IBOC) system and methods of operation using orthogonal frequency division multiplexing (OFDM) with timing and frequency offset correction
JP3322248B2 (ja)	1999-08-13	2002-09-09	日本電気株式会社	受信レベル測定方式
US6505053B1 (en) *	1999-11-05	2003-01-07	At&T Corp.	Method for sinusoidal modeling and prediction of fast fading processes
WO2001039453A1 (en)	1999-11-23	2001-05-31	Thomson Licensing S.A.	Center of gravity control for hierarchical qam transmission systems
JP3522651B2 (ja)	2000-05-19	2004-04-26	松下電器産業株式会社	通信端末装置及び復調方法
JP3544643B2 (ja)	2000-07-14	2004-07-21	松下電器産業株式会社	チャネル推定装置及びチャネル推定方法
WO2002007402A1 (en)	2000-07-17	2002-01-24	Mitsubishi Denki Kabushiki Kaisha	Automatic gain control and wireless communication device
JP4560963B2 (ja)	2001-01-19	2010-10-13	株式会社富士通ゼネラル	Ｑａｍ復号装置
US6931239B2 (en) *	2001-07-30	2005-08-16	Hitachi Kokusai Electric Inc.	Peak limiter and multi-carrier amplification apparatus
US6957175B2 (en) *	2002-11-08	2005-10-18	Interdigital Technology Corporation	Method and apparatus for determining signal-to-interference ratio with reduced bias effect

2002
- 2002-11-12 JP JP2002328787A patent/JP3898115B2/ja not_active Expired - Fee Related
2003
- 2003-11-10 US US10/703,504 patent/US7564924B2/en not_active Expired - Fee Related
- 2003-11-11 DE DE60325685T patent/DE60325685D1/de not_active Expired - Lifetime
- 2003-11-11 EP EP20030025775 patent/EP1420558B1/de not_active Expired - Lifetime
- 2003-11-11 CN CNB2003101134679A patent/CN100531178C/zh not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US7564924B2 (en)	2009-07-21
CN1499736A (zh)	2004-05-26
JP3898115B2 (ja)	2007-03-28
CN100531178C (zh)	2009-08-19
EP1420558A1 (de)	2004-05-19
EP1420558B1 (de)	2009-01-07
JP2004165937A (ja)	2004-06-10
US20040096015A1 (en)	2004-05-20

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Legal Events

Date	Code	Title	Description
2010-01-28	8364	No opposition during term of opposition