ATE304240T1 - Direktmischempfänger - Google Patents
DirektmischempfängerInfo
- Publication number
- ATE304240T1 ATE304240T1 AT02360380T AT02360380T ATE304240T1 AT E304240 T1 ATE304240 T1 AT E304240T1 AT 02360380 T AT02360380 T AT 02360380T AT 02360380 T AT02360380 T AT 02360380T AT E304240 T1 ATE304240 T1 AT E304240T1
- Authority
- AT
- Austria
- Prior art keywords
- carrier signal
- image
- signal
- carrier
- receivers
- Prior art date
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
-
- 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
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
-
- 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
- H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
- H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
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)
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02360380A EP1435687B1 (de) | 2002-12-30 | 2002-12-30 | Direktmischempfänger |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE304240T1 true ATE304240T1 (de) | 2005-09-15 |
Family
ID=32479836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02360380T ATE304240T1 (de) | 2002-12-30 | 2002-12-30 | Direktmischempfänger |
Country Status (5)
Country | Link |
---|---|
US (1) | US7292836B2 (de) |
EP (1) | EP1435687B1 (de) |
CN (1) | CN100517986C (de) |
AT (1) | ATE304240T1 (de) |
DE (1) | DE60206065T2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7684778B1 (en) * | 2005-02-23 | 2010-03-23 | Marvell International Ltd. | Image cancellation in receivers |
US8462884B2 (en) | 2009-09-01 | 2013-06-11 | Electronics And Telecommunications Research Institute | Receiving apparatus and receiving method |
JP5354750B2 (ja) * | 2010-07-21 | 2013-11-27 | Kddi株式会社 | イメージ信号を除去するアンダーサンプリングを用いた受信機、プログラム及び方法 |
CN102655487B (zh) * | 2011-03-01 | 2015-09-23 | 瑞昱半导体股份有限公司 | 补偿装置、补偿模块、补偿参数计算模块及其接收器 |
US8787860B2 (en) | 2011-07-21 | 2014-07-22 | Marvell World Trade Ltd. | Image cancellation in receivers using dual adaptive filters |
US9692393B2 (en) | 2012-05-03 | 2017-06-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio communication receiver apparatus and method |
US8942656B2 (en) | 2013-03-15 | 2015-01-27 | Blackberry Limited | Reduction of second order distortion in real time |
US9197279B2 (en) | 2013-03-15 | 2015-11-24 | Blackberry Limited | Estimation and reduction of second order distortion in real time |
US8811538B1 (en) | 2013-03-15 | 2014-08-19 | Blackberry Limited | IQ error correction |
US8983486B2 (en) | 2013-03-15 | 2015-03-17 | Blackberry Limited | Statistical weighting and adjustment of state variables in a radio |
EP2779510B1 (de) | 2013-03-15 | 2018-10-31 | BlackBerry Limited | Statistische Gewichtung und Anpassung der Statusvariablen in einem Radio |
JP2018536341A (ja) * | 2015-10-30 | 2018-12-06 | 富士通株式会社 | マルチキャリア変調装置、マルチキャリア復調装置、方法及びシステム |
Family Cites Families (8)
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 |
US6340883B1 (en) * | 1998-09-03 | 2002-01-22 | Sony/Tektronik Corporation | Wide band IQ splitting apparatus and calibration method therefor with balanced amplitude and phase between I and Q |
US6748200B1 (en) * | 2000-10-02 | 2004-06-08 | Mark A. Webster | Automatic gain control system and method for a ZIF architecture |
US20020097812A1 (en) * | 2000-12-01 | 2002-07-25 | John Wiss | In-phase and quadrature-phase rebalancer |
US6694131B1 (en) * | 2001-02-21 | 2004-02-17 | Mitsubishi Electric Corporation | Method and apparatus for adaptive image rejection |
US20020127982A1 (en) * | 2001-03-07 | 2002-09-12 | Nokia Mobile Phones Ltd | Mobile station receiver operable for both single and multi-carrier reception |
WO2002084859A1 (en) * | 2001-04-18 | 2002-10-24 | Nokia Corporation | Balanced circuit arrangement and method for linearizing such an arrangement |
US7020226B1 (en) * | 2002-04-04 | 2006-03-28 | Nortel Networks Limited | I/Q distortion compensation for the reception of OFDM signals |
-
2002
- 2002-12-30 DE DE60206065T patent/DE60206065T2/de not_active Expired - Lifetime
- 2002-12-30 EP EP02360380A patent/EP1435687B1/de not_active Expired - Lifetime
- 2002-12-30 AT AT02360380T patent/ATE304240T1/de not_active IP Right Cessation
-
2003
- 2003-11-06 US US10/701,636 patent/US7292836B2/en not_active Expired - Fee Related
- 2003-11-26 CN CNB2003101154850A patent/CN100517986C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7292836B2 (en) | 2007-11-06 |
EP1435687A1 (de) | 2004-07-07 |
DE60206065T2 (de) | 2006-02-23 |
EP1435687B1 (de) | 2005-09-07 |
US20040127188A1 (en) | 2004-07-01 |
DE60206065D1 (de) | 2005-10-13 |
CN100517986C (zh) | 2009-07-22 |
CN1512674A (zh) | 2004-07-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |