AR044873A1 - Un receptor de radio - frecuencia (rf) de banda base digital (dbb) que incluye un modulo de compensacion de filtro de paso alto digital (hpfc) utilizado para suprimir distorsion en variacion de retardo de grupo producida por el uso de filtros de paso alto (hpfs) analogos de bajo costo en el receptor - Google Patents
Un receptor de radio - frecuencia (rf) de banda base digital (dbb) que incluye un modulo de compensacion de filtro de paso alto digital (hpfc) utilizado para suprimir distorsion en variacion de retardo de grupo producida por el uso de filtros de paso alto (hpfs) analogos de bajo costo en el receptorInfo
- Publication number
- AR044873A1 AR044873A1 ARP040102187A ARP040102187A AR044873A1 AR 044873 A1 AR044873 A1 AR 044873A1 AR P040102187 A ARP040102187 A AR P040102187A AR P040102187 A ARP040102187 A AR P040102187A AR 044873 A1 AR044873 A1 AR 044873A1
- Authority
- AR
- Argentina
- Prior art keywords
- receiver
- pass filter
- digital
- hpfc
- hpfs
- 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
- H03D3/009—Compensating quadrature phase or amplitude imbalances
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Un receptor de radio-frecuencia (RF) de banda base digital (DBB) incluye un módulo de compensación de filtro de paso alto digital (HPFC) utilizado para suprimir distorsión en variación de retardo de grupo producida por el uso de filtros de paso alto (HPFs) análogos de bajo costo en el receptor. El módulo HPFC digital reduce una frecuencia de corte, establecida por los HPFs para las respuestas de dominio de frecuencia de componente de señal real e imaginaria proveyendo una primera señal de compensación que tiene un primer valor predeterminado (K1). El módulo HPFC digital ajusta la ganancia de la respuesta de paso alto de los dominios de frecuencia de componente de señal real e imaginaria proveyendo una segunda señal de compensación que tiene un segundo valor predeterminado (K2).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48283403P | 2003-06-25 | 2003-06-25 | |
US10/747,644 US7280618B2 (en) | 2003-06-25 | 2003-12-29 | Digital baseband receiver including a high pass filter compensation module for suppressing group delay variation distortion incurred due to analog high pass filter deficiencies |
Publications (1)
Publication Number | Publication Date |
---|---|
AR044873A1 true AR044873A1 (es) | 2005-10-05 |
Family
ID=33544593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP040102187A AR044873A1 (es) | 2003-06-25 | 2004-06-23 | Un receptor de radio - frecuencia (rf) de banda base digital (dbb) que incluye un modulo de compensacion de filtro de paso alto digital (hpfc) utilizado para suprimir distorsion en variacion de retardo de grupo producida por el uso de filtros de paso alto (hpfs) analogos de bajo costo en el receptor |
Country Status (8)
Country | Link |
---|---|
US (1) | US7280618B2 (es) |
EP (1) | EP1642392B9 (es) |
AR (1) | AR044873A1 (es) |
AT (1) | ATE376280T1 (es) |
DE (1) | DE602004009579T2 (es) |
ES (1) | ES2294517T3 (es) |
TW (3) | TWI355149B (es) |
WO (1) | WO2005006567A2 (es) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7660841B2 (en) * | 2004-02-20 | 2010-02-09 | Altera Corporation | Flexible accumulator in digital signal processing circuitry |
US8204466B2 (en) | 2004-05-21 | 2012-06-19 | Realtek Semiconductor Corp. | Dynamic AC-coupled DC offset correction |
KR101085775B1 (ko) * | 2004-12-07 | 2011-11-21 | 삼성전자주식회사 | 이동 단말 수신기 다이버시티 구조에서 잡음 제거 장치 |
US7551694B2 (en) * | 2005-01-20 | 2009-06-23 | Marvell World Trade Ltd. | Limiter based analog demodulator |
KR20060091970A (ko) * | 2005-02-16 | 2006-08-22 | 엘지전자 주식회사 | 이동통신단말기에서의 신호 대 잡음비 개선 방법 및 그 이동통신단말기 |
KR100726785B1 (ko) * | 2005-08-17 | 2007-06-11 | 인티그런트 테크놀로지즈(주) | 지상파 디지털 멀티미디어/디지털 오디오 방송용Low-IF 수신기. |
US7697614B2 (en) * | 2005-09-30 | 2010-04-13 | Freescale Semiconductor, Inc. | System and method for calibrating an analog signal path during operation in an ultra wideband receiver |
CN101395807B (zh) | 2006-03-01 | 2012-07-25 | 诺基亚公司 | 控制接收器以减少预定干扰的影响 |
US7831648B2 (en) * | 2006-03-30 | 2010-11-09 | L3 Communications Integrated Systems, L.P. | Method and computer program for group delay and magnitude equalization with relaxed phase slope constraint |
FR2907543B1 (fr) | 2006-10-18 | 2008-12-26 | Siemens Vdo Automotive Sas | Dispositif de determination d'une erreur induite par un filtre passe-haut eet methode de correction d'erreur associee |
US7693237B2 (en) * | 2007-02-14 | 2010-04-06 | Wilinx Corporation | Systems and methods for synchronizing wireless communication systems |
US8279955B1 (en) | 2008-01-15 | 2012-10-02 | Marvell International Ltd. | Systems and methods for calibrating digital baseband DC offset in an OFDM receiver |
AU2009307960A1 (en) | 2008-10-22 | 2010-04-29 | Thomas J. Shaw | Universal syringe with retractable needle |
US20110007845A1 (en) * | 2009-07-07 | 2011-01-13 | Yen-Horng Chen | Communication receiver having three filters connected in series |
TWI448132B (zh) * | 2012-06-22 | 2014-08-01 | Univ Nat Taiwan Science Tech | 分時雙工控制與保護裝置及其方法 |
GB201518240D0 (en) * | 2015-10-15 | 2015-12-02 | Rolls Royce Plc | A method of performing real time decomposition of a signal into components |
EP3244584B1 (en) * | 2016-05-11 | 2019-07-03 | Stichting IMEC Nederland | Receiver for frequency offset correction |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5937341A (en) | 1996-09-13 | 1999-08-10 | University Of Washington | Simplified high frequency tuner and tuning method |
JP4066446B2 (ja) * | 1999-05-11 | 2008-03-26 | ソニー株式会社 | 受信装置および方法 |
US6516185B1 (en) | 1999-05-24 | 2003-02-04 | Level One Communications, Inc. | Automatic gain control and offset correction |
GB2366460A (en) | 2000-08-24 | 2002-03-06 | Nokia Mobile Phones Ltd | DC compensation for a direct conversion radio receiver |
DE10060425A1 (de) | 2000-12-05 | 2002-06-13 | Infineon Technologies Ag | Empfängerschaltung |
DE10131676A1 (de) | 2001-06-29 | 2003-01-16 | Infineon Technologies Ag | Empfängeranordnung mit Wechselstrom-Kopplung |
US7139542B2 (en) * | 2003-03-03 | 2006-11-21 | Nokia Corporation | Method and apparatus for compensating DC level in an adaptive radio receiver |
-
2003
- 2003-12-29 US US10/747,644 patent/US7280618B2/en not_active Expired - Fee Related
-
2004
- 2004-05-20 ES ES04752756T patent/ES2294517T3/es not_active Expired - Lifetime
- 2004-05-20 AT AT04752756T patent/ATE376280T1/de not_active IP Right Cessation
- 2004-05-20 DE DE602004009579T patent/DE602004009579T2/de not_active Expired - Lifetime
- 2004-05-20 WO PCT/US2004/015800 patent/WO2005006567A2/en active IP Right Grant
- 2004-05-20 EP EP04752756A patent/EP1642392B9/en not_active Expired - Lifetime
- 2004-05-21 TW TW093136644A patent/TWI355149B/zh not_active IP Right Cessation
- 2004-05-21 TW TW096118080A patent/TWI347756B/zh not_active IP Right Cessation
- 2004-05-21 TW TW093114571A patent/TWI240497B/zh not_active IP Right Cessation
- 2004-06-23 AR ARP040102187A patent/AR044873A1/es active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
TW200818728A (en) | 2008-04-16 |
TWI347756B (en) | 2011-08-21 |
TW200531457A (en) | 2005-09-16 |
ATE376280T1 (de) | 2007-11-15 |
EP1642392B9 (en) | 2008-10-01 |
TWI240497B (en) | 2005-09-21 |
WO2005006567A3 (en) | 2006-03-30 |
TW200501604A (en) | 2005-01-01 |
ES2294517T3 (es) | 2008-04-01 |
DE602004009579T2 (de) | 2008-07-24 |
DE602004009579D1 (de) | 2007-11-29 |
EP1642392B1 (en) | 2007-10-17 |
EP1642392A2 (en) | 2006-04-05 |
WO2005006567A2 (en) | 2005-01-20 |
EP1642392A4 (en) | 2006-08-02 |
TWI355149B (en) | 2011-12-21 |
US7280618B2 (en) | 2007-10-09 |
US20040264601A1 (en) | 2004-12-30 |
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