ATE355690T1 - Frequenzdiskriminator - Google Patents
FrequenzdiskriminatorInfo
- Publication number
- ATE355690T1 ATE355690T1 AT02765850T AT02765850T ATE355690T1 AT E355690 T1 ATE355690 T1 AT E355690T1 AT 02765850 T AT02765850 T AT 02765850T AT 02765850 T AT02765850 T AT 02765850T AT E355690 T1 ATE355690 T1 AT E355690T1
- Authority
- AT
- Austria
- Prior art keywords
- product
- cross
- cross product
- dot
- frequency discriminator
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
- H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0053—Closed loops
- H04L2027/0055—Closed loops single phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0063—Elements of loops
- H04L2027/0065—Frequency error detectors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Circuits Of Receivers In General (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/907,096 US7002946B2 (en) | 2001-07-16 | 2001-07-16 | Frequency discriminator |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE355690T1 true ATE355690T1 (de) | 2006-03-15 |
Family
ID=25423513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02765850T ATE355690T1 (de) | 2001-07-16 | 2002-07-16 | Frequenzdiskriminator |
Country Status (9)
Country | Link |
---|---|
US (1) | US7002946B2 (de) |
EP (1) | EP1407590B1 (de) |
JP (1) | JP4184264B2 (de) |
KR (1) | KR100933643B1 (de) |
CN (1) | CN100388729C (de) |
AT (1) | ATE355690T1 (de) |
DE (1) | DE60218476T2 (de) |
HK (1) | HK1070207A1 (de) |
WO (1) | WO2003009558A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7430191B2 (en) * | 2001-09-10 | 2008-09-30 | Qualcomm Incorporated | Method and apparatus for performing frequency tracking based on diversity transmitted pilots in a CDMA communication system |
US8331492B2 (en) * | 2002-07-04 | 2012-12-11 | Intel Mobile Communications GmbH | Device and method for determining the deviation of the carrier frequency of a mobile radio device from the carrier frequency of a base station |
KR20060008576A (ko) * | 2004-07-21 | 2006-01-27 | 삼성전자주식회사 | 기지 순환접두부호를 이용하여 적응적 변조를 수행하는다중 반송파 전송 시스템 및 방법 |
KR100699836B1 (ko) * | 2005-03-19 | 2007-03-27 | 삼성전자주식회사 | 스칼라 곱에서 dfa 대책을 위한 장치 및 방법 |
US20090316705A1 (en) * | 2005-06-20 | 2009-12-24 | Wei Zhao | Quality of Service in Vlan-Based Access Networks |
KR100773732B1 (ko) * | 2006-05-09 | 2007-11-09 | 주식회사 파이컴 | 프로브 유닛 및 이를 포함하는 프로브 장치 |
KR100947604B1 (ko) * | 2007-12-17 | 2010-03-15 | 한국전자통신연구원 | 이동통신 시스템에서 2차 루프 필터를 사용하는 주파수오차 추정기 및 그 동작방법 |
CN101970186A (zh) * | 2008-01-28 | 2011-02-09 | 塞格瑞德公司 | 与机器人进行实时交互的方法 |
US8625724B2 (en) | 2009-03-10 | 2014-01-07 | Qualcomm Incorporated | Adaptive tracking steps for time and frequency tracking loops |
US10048300B2 (en) * | 2014-04-25 | 2018-08-14 | Qualcomm Technologies, Inc. | Detector circuit |
EP4043927A1 (de) | 2021-02-12 | 2022-08-17 | u-blox AG | Verfahren zur synchronisierung eines codierten signals, empfänger, computerprogrammprodukt und nichtflüchtiges speichermedium |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4896336A (en) | 1988-08-29 | 1990-01-23 | Rockwell International Corporation | Differential phase-shift keying demodulator |
CA2025135C (en) | 1989-09-13 | 1993-06-29 | Shousei Yoshida | Frequency tracking circuit using samples equalized at different sampling instants of same clock period |
US5732111A (en) * | 1995-12-06 | 1998-03-24 | Rockwell International Corporation | Frequency error compensation for direct sequence spread spectrum systems |
US5799034A (en) * | 1995-12-06 | 1998-08-25 | Rockwell International Corporation | Frequency acquisition method for direct sequence spread spectrum systems |
GB2309315B (en) | 1996-01-09 | 2000-06-07 | Roke Manor Research | A frequency offset measuring apparatus |
US6304563B1 (en) * | 1999-04-23 | 2001-10-16 | Qualcomm Incorporated | Method and apparatus for processing a punctured pilot channel |
-
2001
- 2001-07-16 US US09/907,096 patent/US7002946B2/en not_active Expired - Lifetime
-
2002
- 2002-07-16 JP JP2003514774A patent/JP4184264B2/ja not_active Expired - Lifetime
- 2002-07-16 WO PCT/US2002/022788 patent/WO2003009558A1/en active IP Right Grant
- 2002-07-16 KR KR1020047000656A patent/KR100933643B1/ko active IP Right Grant
- 2002-07-16 CN CNB028167295A patent/CN100388729C/zh not_active Expired - Lifetime
- 2002-07-16 AT AT02765850T patent/ATE355690T1/de not_active IP Right Cessation
- 2002-07-16 EP EP02765850A patent/EP1407590B1/de not_active Expired - Lifetime
- 2002-07-16 DE DE60218476T patent/DE60218476T2/de not_active Expired - Lifetime
-
2005
- 2005-03-30 HK HK05102660A patent/HK1070207A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US20030021247A1 (en) | 2003-01-30 |
DE60218476D1 (de) | 2007-04-12 |
EP1407590A1 (de) | 2004-04-14 |
KR100933643B1 (ko) | 2009-12-23 |
WO2003009558A1 (en) | 2003-01-30 |
JP4184264B2 (ja) | 2008-11-19 |
CN100388729C (zh) | 2008-05-14 |
CN1547834A (zh) | 2004-11-17 |
DE60218476T2 (de) | 2007-11-08 |
US7002946B2 (en) | 2006-02-21 |
KR20040022456A (ko) | 2004-03-12 |
EP1407590B1 (de) | 2007-02-28 |
JP2005522896A (ja) | 2005-07-28 |
HK1070207A1 (en) | 2005-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |