ATE377892T1 - Empfänger für ein mehrträgersignal - Google Patents
Empfänger für ein mehrträgersignalInfo
- Publication number
- ATE377892T1 ATE377892T1 AT05718564T AT05718564T ATE377892T1 AT E377892 T1 ATE377892 T1 AT E377892T1 AT 05718564 T AT05718564 T AT 05718564T AT 05718564 T AT05718564 T AT 05718564T AT E377892 T1 ATE377892 T1 AT E377892T1
- Authority
- AT
- Austria
- Prior art keywords
- carrier signal
- phase
- quadrature
- receiver
- multi carrier
- 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
- H04L27/32—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
- H04L27/3818—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers
-
- 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)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Superheterodyne Receivers (AREA)
- Radio Transmission System (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04101323 | 2004-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE377892T1 true ATE377892T1 (de) | 2007-11-15 |
Family
ID=34962079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT05718564T ATE377892T1 (de) | 2004-03-31 | 2005-03-25 | Empfänger für ein mehrträgersignal |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7650129B2 (de) |
| EP (1) | EP1733524B1 (de) |
| JP (1) | JP2007531451A (de) |
| CN (1) | CN1973506A (de) |
| AT (1) | ATE377892T1 (de) |
| DE (1) | DE602005003215T2 (de) |
| WO (1) | WO2005096582A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188590B (zh) * | 2007-08-21 | 2011-12-28 | 京信通信系统(中国)有限公司 | 多载波信号处理的数字下变频系统及其数字下变频方法 |
| CN101252570B (zh) * | 2008-04-01 | 2012-02-08 | 北京天碁科技有限公司 | 一种多载波接收机及其信号处理方法 |
| KR101009870B1 (ko) | 2008-11-25 | 2011-01-19 | (주)메디슨 | 발진기를 이용한 쿼드러처 믹서 및 그 동작 방법 |
| CN101478324B (zh) * | 2009-01-21 | 2012-05-30 | 北京交通大学 | 一种单支路正交混频无线接收机 |
| US8766770B2 (en) * | 2011-10-10 | 2014-07-01 | Fred Bassali | Universal transceivers and supplementary receivers with sparse coding technique option |
| US8693561B2 (en) | 2012-03-16 | 2014-04-08 | Posedge Inc. | Receive signal detection of multi-carrier signals |
| CN107589325B (zh) * | 2017-09-12 | 2020-07-03 | 中国电子科技集团公司第四十一研究所 | 一种多载波信号的产生装置和产生方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2213006B (en) * | 1987-11-27 | 1992-01-29 | Stc Plc | Correction of rf errors in quadrature channels of a zero-if transmitter |
| US6148047A (en) * | 1998-05-06 | 2000-11-14 | Philips Electronics North America Corporation | DC offset compensation for zero if quadrature demodulator |
| JP3675670B2 (ja) * | 1999-05-27 | 2005-07-27 | パイオニア株式会社 | 受信装置 |
| US6560449B1 (en) * | 2000-06-12 | 2003-05-06 | Broadcom Corporation | Image-rejection I/Q demodulators |
| DE10114779A1 (de) * | 2001-03-26 | 2002-10-24 | Infineon Technologies Ag | Sende-und Empfangseinheit |
| US7397865B2 (en) * | 2003-04-02 | 2008-07-08 | Agilent Technologies, Inc. | Systems and methods of using IQ modulation for calibration or measurement |
| US7860196B2 (en) * | 2007-01-10 | 2010-12-28 | Motorola, Inc. | Method and circuit for estimating in-phase/quadrature signal amplitude imbalance |
-
2005
- 2005-03-25 CN CNA2005800102095A patent/CN1973506A/zh active Pending
- 2005-03-25 WO PCT/IB2005/051033 patent/WO2005096582A1/en not_active Ceased
- 2005-03-25 EP EP05718564A patent/EP1733524B1/de not_active Expired - Lifetime
- 2005-03-25 US US11/547,435 patent/US7650129B2/en active Active
- 2005-03-25 AT AT05718564T patent/ATE377892T1/de not_active IP Right Cessation
- 2005-03-25 JP JP2007505715A patent/JP2007531451A/ja not_active Withdrawn
- 2005-03-25 DE DE602005003215T patent/DE602005003215T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007531451A (ja) | 2007-11-01 |
| DE602005003215D1 (de) | 2007-12-20 |
| US20080242250A1 (en) | 2008-10-02 |
| WO2005096582A1 (en) | 2005-10-13 |
| US7650129B2 (en) | 2010-01-19 |
| DE602005003215T2 (de) | 2008-08-28 |
| EP1733524A1 (de) | 2006-12-20 |
| CN1973506A (zh) | 2007-05-30 |
| EP1733524B1 (de) | 2007-11-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |