ATE405985T1 - Direktkonversionsempfänger und verfahren dazu - Google Patents
Direktkonversionsempfänger und verfahren dazuInfo
- Publication number
- ATE405985T1 ATE405985T1 AT04103956T AT04103956T ATE405985T1 AT E405985 T1 ATE405985 T1 AT E405985T1 AT 04103956 T AT04103956 T AT 04103956T AT 04103956 T AT04103956 T AT 04103956T AT E405985 T1 ATE405985 T1 AT E405985T1
- Authority
- AT
- Austria
- Prior art keywords
- component
- signal
- frequency
- frequency band
- direct conversion
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Circuits Of Receivers In General (AREA)
- Superheterodyne Receivers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20031194A FI20031194A0 (fi) | 2003-08-25 | 2003-08-25 | Suoramuuntovastaanotin ja vastaanottomenetelmä |
US10/693,608 US7310388B2 (en) | 2003-08-25 | 2003-10-27 | Direct conversion receiver and receiving method |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE405985T1 true ATE405985T1 (de) | 2008-09-15 |
Family
ID=27838873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04103956T ATE405985T1 (de) | 2003-08-25 | 2004-08-18 | Direktkonversionsempfänger und verfahren dazu |
Country Status (4)
Country | Link |
---|---|
US (1) | US7310388B2 (de) |
AT (1) | ATE405985T1 (de) |
DE (1) | DE602004015903D1 (de) |
FI (1) | FI20031194A0 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7877070B2 (en) * | 2006-09-29 | 2011-01-25 | Broadcom Corp. | Method and system for tuning an antenna using injection |
US8036319B2 (en) * | 2007-11-01 | 2011-10-11 | Intel Corporation | Direct conversion receiver and method for correcting phase imbalance therein |
JP5219537B2 (ja) * | 2008-02-08 | 2013-06-26 | 株式会社アドバンテスト | ゲインインバランス測定装置、位相差対応値測定装置、方法、プログラムおよび記録媒体 |
EP2313982A1 (de) * | 2008-07-28 | 2011-04-27 | Freescale Semiconductor, Inc. | Drahtlose kommunikationseinheit von halbleiteranordnungen und verfahren zum empfang eines signals |
US8135094B2 (en) * | 2008-08-27 | 2012-03-13 | Freescale Semiconductor, Inc. | Receiver I/Q group delay mismatch correction |
US20110013724A1 (en) * | 2009-04-24 | 2011-01-20 | Qualcomm Incorporated | I/q imbalance estimation and compensation for a transmitter and a receiver |
US10050744B2 (en) * | 2012-03-16 | 2018-08-14 | Analog Devices, Inc. | Real-time I/Q imbalance correction for wide-band RF receiver |
US9281907B2 (en) | 2013-03-15 | 2016-03-08 | Analog Devices, Inc. | Quadrature error correction using polynomial models in tone calibration |
US10149191B2 (en) * | 2013-05-17 | 2018-12-04 | Sony Corporation | Communication control device, communication control method, terminal device, and information processing device |
US11012273B1 (en) | 2019-12-31 | 2021-05-18 | Hughes Network Systems, Llc | Compensating for frequency-dependent I-Q phase imbalance |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1297278B1 (it) * | 1997-09-15 | 1999-08-09 | Italtel Spa | Radioricevitore digitale a larga banda per segnale multiportante |
US6552995B1 (en) | 1998-02-19 | 2003-04-22 | Advantest Corporation | Spectrum diffusion signal analyzer and method of analyzing diffusion signal |
EP0948128B1 (de) | 1998-04-03 | 2004-12-01 | Motorola Semiconducteurs S.A. | Unterdrückung von Gleichspannungsverschiebungen in einem Quadraturempfänger |
FR2781948B1 (fr) | 1998-07-28 | 2001-02-09 | St Microelectronics Sa | Reception radiofrequence a conversion de frequence a basse frequence intermediaire |
GR1003688B (el) | 2000-07-14 | 2001-10-05 | Ιντρακομ Α.Ε. Ελληνικη Βιομηχανια Τηλεπικοινωνιων Και Συστηματ... | Μηχανισμος διορθωσης τασης εκτροπης και ενισχυτης ελεγχομενου κερδους σε δεκτες αμεσης μεταδοσης. |
US20020127982A1 (en) | 2001-03-07 | 2002-09-12 | Nokia Mobile Phones Ltd | Mobile station receiver operable for both single and multi-carrier reception |
US20030072393A1 (en) | 2001-08-02 | 2003-04-17 | Jian Gu | Quadrature transceiver substantially free of adverse circuitry mismatch effects |
EP1298791A1 (de) | 2001-09-26 | 2003-04-02 | Sony International (Europe) GmbH | Direkt-Konversion-Empfänger mit Quadraturfehlerkorrektur |
US7248625B2 (en) * | 2002-09-05 | 2007-07-24 | Silicon Storage Technology, Inc. | Compensation of I-Q imbalance in digital transceivers |
-
2003
- 2003-08-25 FI FI20031194A patent/FI20031194A0/fi unknown
- 2003-10-27 US US10/693,608 patent/US7310388B2/en active Active
-
2004
- 2004-08-18 DE DE602004015903T patent/DE602004015903D1/de active Active
- 2004-08-18 AT AT04103956T patent/ATE405985T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE602004015903D1 (de) | 2008-10-02 |
US20050047528A1 (en) | 2005-03-03 |
FI20031194A0 (fi) | 2003-08-25 |
US7310388B2 (en) | 2007-12-18 |
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Legal Events
Date | Code | Title | Description |
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |