DE69830952D1 - Verfahren und System zur Bestimmung des Symbolübertragungsformats in einem Übertragungssystem - Google Patents
Verfahren und System zur Bestimmung des Symbolübertragungsformats in einem ÜbertragungssystemInfo
- Publication number
- DE69830952D1 DE69830952D1 DE69830952T DE69830952T DE69830952D1 DE 69830952 D1 DE69830952 D1 DE 69830952D1 DE 69830952 T DE69830952 T DE 69830952T DE 69830952 T DE69830952 T DE 69830952T DE 69830952 D1 DE69830952 D1 DE 69830952D1
- Authority
- DE
- Germany
- Prior art keywords
- transmission
- determining
- symbol
- format
- transmission format
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2676—Blind, i.e. without using known symbols
- H04L27/2678—Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0012—Modulated-carrier systems arrangements for identifying the type of modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2662—Symbol synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2666—Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9706466A FR2764143A1 (fr) | 1997-05-27 | 1997-05-27 | Procede de determination d'un format d'emission de symboles dans un systeme de transmission et systeme |
FR9706466 | 1997-05-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69830952D1 true DE69830952D1 (de) | 2005-09-01 |
DE69830952T2 DE69830952T2 (de) | 2006-05-24 |
Family
ID=9507275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69830952T Expired - Lifetime DE69830952T2 (de) | 1997-05-27 | 1998-05-11 | Verfahren und System zur Bestimmung des Symbolübertragungsformats in einem Übertragungssystem |
Country Status (5)
Country | Link |
---|---|
US (1) | US6314113B1 (de) |
EP (1) | EP0881804B1 (de) |
JP (1) | JP4292593B2 (de) |
DE (1) | DE69830952T2 (de) |
FR (1) | FR2764143A1 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7952511B1 (en) | 1999-04-07 | 2011-05-31 | Geer James L | Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns |
US6463107B1 (en) | 1999-07-01 | 2002-10-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatuses for synchronization and modulation type detection |
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 |
GB2373692C (en) * | 1999-08-27 | 2007-12-31 | Mitsubishi Electric Inf Tech | Ofdm frame synchronisation |
CN1694445A (zh) | 1999-08-27 | 2005-11-09 | 三菱电机株式会社 | 同步脉冲产生方法及ofdm信号接收方法 |
GB2364865B (en) * | 2000-07-12 | 2004-01-21 | Conexant Systems Inc | Receiver circuit |
EP1267536A1 (de) * | 2001-06-13 | 2002-12-18 | Conexant Systems, Inc. | Mehrträgerempfänger mit Erfassung des Übertragungsmodus und der Länge des Schutzintervalles |
US7142502B2 (en) * | 2001-08-30 | 2006-11-28 | Intel Corporation | Technique for continuous OFDM demodulation |
EP1296493A3 (de) * | 2001-09-19 | 2006-08-16 | Electronics and Telecommunications Research Institute | Symbolsynchronisierung in einem Mehrträgerempfänger |
US8194770B2 (en) | 2002-08-27 | 2012-06-05 | Qualcomm Incorporated | Coded MIMO systems with selective channel inversion applied per eigenmode |
GB0221296D0 (en) * | 2002-09-13 | 2002-10-23 | British Broadcasting Corp | Improved digital broadcast receiver |
US8170513B2 (en) | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Data detection and demodulation for wireless communication systems |
US8570988B2 (en) | 2002-10-25 | 2013-10-29 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US7324429B2 (en) | 2002-10-25 | 2008-01-29 | Qualcomm, Incorporated | Multi-mode terminal in a wireless MIMO system |
CN100459535C (zh) * | 2002-10-25 | 2009-02-04 | 高通股份有限公司 | Mimo wlan系统 |
CN1708935B (zh) * | 2002-10-25 | 2011-06-22 | 高通股份有限公司 | 用于无线电通信系统的数据检测和解调 |
US8218609B2 (en) | 2002-10-25 | 2012-07-10 | Qualcomm Incorporated | Closed-loop rate control for a multi-channel communication system |
US20040081131A1 (en) | 2002-10-25 | 2004-04-29 | Walton Jay Rod | OFDM communication system with multiple OFDM symbol sizes |
US8320301B2 (en) | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
US8169944B2 (en) | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Random access for wireless multiple-access communication systems |
US8134976B2 (en) | 2002-10-25 | 2012-03-13 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US8208364B2 (en) | 2002-10-25 | 2012-06-26 | Qualcomm Incorporated | MIMO system with multiple spatial multiplexing modes |
US7002900B2 (en) | 2002-10-25 | 2006-02-21 | Qualcomm Incorporated | Transmit diversity processing for a multi-antenna communication system |
US7986742B2 (en) | 2002-10-25 | 2011-07-26 | Qualcomm Incorporated | Pilots for MIMO communication system |
US9473269B2 (en) | 2003-12-01 | 2016-10-18 | Qualcomm Incorporated | Method and apparatus for providing an efficient control channel structure in a wireless communication system |
US7466749B2 (en) | 2005-05-12 | 2008-12-16 | Qualcomm Incorporated | Rate selection with margin sharing |
US8358714B2 (en) | 2005-06-16 | 2013-01-22 | Qualcomm Incorporated | Coding and modulation for multiple data streams in a communication system |
KR100822817B1 (ko) | 2006-10-31 | 2008-04-18 | 삼성전자주식회사 | Ofdm 스킴에서 타이밍 동기화를 수행하기 위한 수신기및 방법 |
US8180932B2 (en) * | 2007-05-28 | 2012-05-15 | Realtek Semiconductor Corp. | Signal receiving method for determining transmission format of input signal and related signal receiving circuit |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0608024B1 (de) * | 1993-01-20 | 2001-04-18 | Koninklijke Philips Electronics N.V. | Übertragungssystem mit Taktrückgewinnung |
MY112371A (en) * | 1993-07-20 | 2001-05-31 | Qualcomm Inc | System and method for orthogonal spread spectrum sequence generation in variable data rate systems |
JP3074103B2 (ja) * | 1993-11-16 | 2000-08-07 | 株式会社東芝 | Ofdm同期復調回路 |
DE4403408C1 (de) * | 1994-02-04 | 1995-02-23 | Grundig Emv | Verfahren zur Erkennung eines Übertragungs-Modes |
DE4405752C1 (de) * | 1994-02-23 | 1994-08-25 | Grundig Emv | Verfahren und Schaltungsanordnung zur digitalen Rahmensynchronisation |
US5602833A (en) * | 1994-12-19 | 1997-02-11 | Qualcomm Incorporated | Method and apparatus for using Walsh shift keying in a spread spectrum communication system |
SE514986C2 (sv) * | 1995-03-01 | 2001-05-28 | Telia Ab | Metod och anordning för synkronisering vid OFDM-system |
US5745484A (en) * | 1995-06-05 | 1998-04-28 | Omnipoint Corporation | Efficient communication system using time division multiplexing and timing adjustment control |
US5959980A (en) * | 1995-06-05 | 1999-09-28 | Omnipoint Corporation | Timing adjustment control for efficient time division duplex communication |
FR2743967B1 (fr) * | 1996-01-18 | 1998-03-27 | France Telecom | Procede et dispositif de synchronisation temporelle d'un recepteur d'un signal multiporteuse |
JPH1065605A (ja) * | 1996-08-23 | 1998-03-06 | Sony Corp | 受信方法、タイミング検出装置及び受信装置 |
FI102231B (fi) * | 1996-09-16 | 1998-10-30 | Nokia Technology Gmbh | Symbolitahdistuksen ja näytteenottotaajuuden säätömenetelmä OFDM-modul oituja lähetyksiä vastaanottavassa laitteessa sekä menetelmän toteutta va laite |
JP3684727B2 (ja) * | 1996-12-26 | 2005-08-17 | ソニー株式会社 | 通信方法及び受信装置 |
-
1997
- 1997-05-27 FR FR9706466A patent/FR2764143A1/fr not_active Withdrawn
-
1998
- 1998-05-11 DE DE69830952T patent/DE69830952T2/de not_active Expired - Lifetime
- 1998-05-11 EP EP98201522A patent/EP0881804B1/de not_active Expired - Lifetime
- 1998-05-21 US US09/083,696 patent/US6314113B1/en not_active Expired - Lifetime
- 1998-05-22 JP JP14168298A patent/JP4292593B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0881804A1 (de) | 1998-12-02 |
EP0881804B1 (de) | 2005-07-27 |
FR2764143A1 (fr) | 1998-12-04 |
US6314113B1 (en) | 2001-11-06 |
JP4292593B2 (ja) | 2009-07-08 |
JPH1132027A (ja) | 1999-02-02 |
DE69830952T2 (de) | 2006-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Representative=s name: VOLMER, G., DIPL.-ING., PAT.-ANW., 52066 AACHEN |
|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: SONY CORP., TOKIO/TOKYO, JP |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: MITSCHERLICH & PARTNER, PATENT- UND RECHTSANWAELTE |