ATE534221T1 - Verfahren und vorrichtung zur kompensierung von empfängerungleichgewicht - Google Patents
Verfahren und vorrichtung zur kompensierung von empfängerungleichgewichtInfo
- Publication number
- ATE534221T1 ATE534221T1 AT05857329T AT05857329T ATE534221T1 AT E534221 T1 ATE534221 T1 AT E534221T1 AT 05857329 T AT05857329 T AT 05857329T AT 05857329 T AT05857329 T AT 05857329T AT E534221 T1 ATE534221 T1 AT E534221T1
- Authority
- AT
- Austria
- Prior art keywords
- imbalance
- phase
- correcting
- receiver
- corrected
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 5
- 238000004590 computer program Methods 0.000 abstract 1
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
- H04L27/2657—Carrier synchronisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Noise Elimination (AREA)
- Testing Of Balance (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0412417A FR2878393B1 (fr) | 2004-11-23 | 2004-11-23 | Procede et dispositif de compensation de desequilibres d'un recepteur |
| PCT/FR2005/050972 WO2006090033A1 (fr) | 2004-11-23 | 2005-11-21 | Procede et dispositif de compensation de desequilibres d'un recepteur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE534221T1 true ATE534221T1 (de) | 2011-12-15 |
Family
ID=34954774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT05857329T ATE534221T1 (de) | 2004-11-23 | 2005-11-21 | Verfahren und vorrichtung zur kompensierung von empfängerungleichgewicht |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7852973B2 (de) |
| EP (1) | EP1815657B1 (de) |
| AT (1) | ATE534221T1 (de) |
| FR (1) | FR2878393B1 (de) |
| WO (1) | WO2006090033A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2904711B1 (fr) | 2006-08-04 | 2008-12-19 | Commissariat Energie Atomique | Procede de compensation numerique de non linearites dans un systeme de communication et dispositif recepteur |
| US7856065B2 (en) | 2007-05-02 | 2010-12-21 | Telefonkaktiebolaget Lm Ericsson (publ) | Method and apparatus for correcting IQ imbalance in an OFDM receiver |
| ATE487309T1 (de) * | 2008-04-11 | 2010-11-15 | Ericsson Telefon Ab L M | Verfahren und anordnung zur einschätzung des iq- ungleichgewichts |
| CN116708091B (zh) * | 2023-07-28 | 2023-09-29 | 中国科学院空天信息创新研究院 | 基于帧头的收发iq不平衡与多普勒联合估计与校正方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5263196A (en) * | 1990-11-19 | 1993-11-16 | Motorola, Inc. | Method and apparatus for compensation of imbalance in zero-if downconverters |
| US5396656A (en) * | 1993-09-02 | 1995-03-07 | Motorola, Inc. | Method for determining desired components of quadrature modulated signals |
| FR2795889B1 (fr) | 1999-06-29 | 2001-10-05 | France Telecom | Procede et systeme de compensation de la non-linearite d'un convertisseur analogique-numerique sigma-delta |
| DE19948383A1 (de) * | 1999-10-07 | 2001-04-12 | Rohde & Schwarz | Verfahren zum empfangsseitigen Bestimmen der Nutzdatenkonstellation eines nach dem DVB-T-Standard modulierten Multiträger-Signals für die Berechnung der Restträgerleistung bzw. Verbesserung der Demodulation |
| EP1405479B1 (de) * | 2001-06-29 | 2009-06-03 | Nokia Corporation | Iq-ungleichgewicht |
| US7076008B2 (en) | 2001-11-02 | 2006-07-11 | Texas Instruments Incorporated | Method and apparatus for estimating and correcting gain and phase imbalance in a code division multiple access system |
| US7653164B2 (en) * | 2001-12-31 | 2010-01-26 | Intel Corporation | Adaptive IQ imbalance correction for multicarrier wireless communication systems |
| EP1339197A1 (de) * | 2002-02-21 | 2003-08-27 | Motorola, Inc. | Kompensation des I/Q-Versatzes in einem OFDM-Empfänger bei Frequenzverschiebung |
| FR2840130A1 (fr) | 2002-05-22 | 2003-11-28 | Commissariat Energie Atomique | Demodulateur de signaux modules par position d'impulsions, procede de demodulation et recepteur de signaux equipe du demodulateur |
| JP4195000B2 (ja) * | 2002-05-23 | 2008-12-10 | アンテルユニヴェルシテール・ミクロ−エレクトロニカ・サントリュム・ヴェー・ゼッド・ドゥブルヴェ | Iqの不均衡を推定して補償するための方法及び装置 |
| WO2004021659A1 (en) * | 2002-08-28 | 2004-03-11 | Philips Intellectual Property & Standards Gmbh | Method for generating i/q signal in a tdma transmitter and corresponding modulator |
| DE10241679A1 (de) * | 2002-09-09 | 2004-03-18 | Infineon Technologies Ag | Iterative Schätzung und Entzerrung von Unsymmetrien zwischen Inphase-und Quadraturzweig in Mehrtäger-Übertragungssystemen |
| FR2855684B1 (fr) | 2003-05-26 | 2005-07-01 | Commissariat Energie Atomique | Recepteur de signal ultra large bande et procede de reception associe. |
| US7184714B1 (en) * | 2003-11-04 | 2007-02-27 | Advanced Micro Devices, Inc. | Frequency domain estimation of IQ imbalance in a wireless OFDM direct conversion receiver using loopback connection |
| KR100798968B1 (ko) * | 2004-03-13 | 2008-01-28 | 삼성전자주식회사 | 직교 분할 다중 접속 시스템에서 파일럿 신호 송수신 방법 및 장치 |
| DE602004014922D1 (de) * | 2004-08-05 | 2008-08-21 | St Microelectronics Srl | Verfahren und Vorrichtung zum Empfang eines OFDM-Signals und zur Kompensation des IQ-Ungleichgewichts und der Frequenzverschiebung |
-
2004
- 2004-11-23 FR FR0412417A patent/FR2878393B1/fr not_active Expired - Fee Related
-
2005
- 2005-11-21 WO PCT/FR2005/050972 patent/WO2006090033A1/fr not_active Ceased
- 2005-11-21 EP EP05857329A patent/EP1815657B1/de not_active Expired - Lifetime
- 2005-11-21 US US11/720,000 patent/US7852973B2/en not_active Expired - Fee Related
- 2005-11-21 AT AT05857329T patent/ATE534221T1/de active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2878393B1 (fr) | 2007-01-12 |
| EP1815657B1 (de) | 2011-11-16 |
| US7852973B2 (en) | 2010-12-14 |
| FR2878393A1 (fr) | 2006-05-26 |
| US20080002795A1 (en) | 2008-01-03 |
| WO2006090033A1 (fr) | 2006-08-31 |
| EP1815657A1 (de) | 2007-08-08 |
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