NO20044720L - Enkel og robust digital kodefolgingssloyfe for tradlose kommunikasjonssystemer - Google Patents
Enkel og robust digital kodefolgingssloyfe for tradlose kommunikasjonssystemerInfo
- Publication number
- NO20044720L NO20044720L NO20044720A NO20044720A NO20044720L NO 20044720 L NO20044720 L NO 20044720L NO 20044720 A NO20044720 A NO 20044720A NO 20044720 A NO20044720 A NO 20044720A NO 20044720 L NO20044720 L NO 20044720L
- Authority
- NO
- Norway
- Prior art keywords
- digital code
- wireless communication
- communication systems
- time
- tracking loop
- Prior art date
Links
Classifications
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B2001/70706—Spread spectrum techniques using direct sequence modulation using a code tracking loop, e.g. a delay locked loop
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Error Detection And Correction (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
En enkel og robust CTL blir brukt tidsfølging av multiveikomponenter i et spredt spektrum signal sendt over en frådløs multiveifadingkanal. En digital kodefølgesløyfe inkluderer implementeringer av avspredning av tidhge og sene dataprøver ved bruk av en pseudostøysekvens, en feilsignalutgang generert av avspredningen, og justering av et flertall av påtid, tidlige og sene prøver, en datarate for et kontrollsignal gitt som en fraksjonsdel av en datarate for feilsignaler.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37646502P | 2002-04-29 | 2002-04-29 | |
PCT/US2003/013248 WO2003093929A2 (en) | 2002-04-29 | 2003-04-29 | Simple and robust digital code tracking loop for wireless communication systems |
Publications (1)
Publication Number | Publication Date |
---|---|
NO20044720L true NO20044720L (no) | 2004-11-01 |
Family
ID=29401351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO20044720A NO20044720L (no) | 2002-04-29 | 2004-11-01 | Enkel og robust digital kodefolgingssloyfe for tradlose kommunikasjonssystemer |
Country Status (13)
Country | Link |
---|---|
US (4) | US7372892B2 (no) |
EP (2) | EP2544380A1 (no) |
JP (3) | JP3944510B2 (no) |
KR (4) | KR20090014316A (no) |
CN (2) | CN1906860B (no) |
AR (2) | AR039487A1 (no) |
AU (1) | AU2003237126A1 (no) |
CA (2) | CA2483561C (no) |
HK (1) | HK1095932A1 (no) |
MX (1) | MXPA04010412A (no) |
NO (1) | NO20044720L (no) |
TW (5) | TWI399931B (no) |
WO (1) | WO2003093929A2 (no) |
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WO2005086370A1 (en) * | 2004-02-25 | 2005-09-15 | Thomson Licensing S.A. | Method and apparatus for code tracking in code division multipe access (cdma) systems |
US8107512B2 (en) * | 2004-03-08 | 2012-01-31 | Thomson Licensing | Method and apparatus for robust automatic frequency control in CDMA systems with constant pilot signals |
KR100823129B1 (ko) * | 2004-08-18 | 2008-04-21 | 삼성전자주식회사 | 이동통신 시스템의 트랙킹 장치 및 방법 |
US7561615B2 (en) * | 2005-03-18 | 2009-07-14 | Interdigital Technology Corporation | Method and apparatus for compensating for phase noise of symbols spread with a long spreading code |
KR100768103B1 (ko) * | 2005-12-08 | 2007-10-17 | 한국전자통신연구원 | 직접 시퀀스 대역 확산 방식의 무선 피코셀 통신시스템에서의 샘플 타이밍 추적 장치 및 그 방법 |
US8098707B2 (en) * | 2006-01-31 | 2012-01-17 | Regents Of The University Of Minnesota | Ultra wideband receiver |
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JP6277291B2 (ja) * | 2014-11-27 | 2018-02-07 | エルジー エレクトロニクス インコーポレイティド | レーク受信機及びその受信方法 |
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2003
- 2003-04-28 US US10/425,176 patent/US7372892B2/en not_active Expired - Lifetime
- 2003-04-29 CN CN03809522XA patent/CN1906860B/zh not_active Expired - Fee Related
- 2003-04-29 KR KR1020097000979A patent/KR20090014316A/ko not_active Application Discontinuation
- 2003-04-29 KR KR1020057016129A patent/KR101005524B1/ko not_active IP Right Cessation
- 2003-04-29 MX MXPA04010412A patent/MXPA04010412A/es active IP Right Grant
- 2003-04-29 AU AU2003237126A patent/AU2003237126A1/en not_active Abandoned
- 2003-04-29 CA CA002483561A patent/CA2483561C/en not_active Expired - Fee Related
- 2003-04-29 EP EP11188084A patent/EP2544380A1/en not_active Withdrawn
- 2003-04-29 TW TW098113253A patent/TWI399931B/zh not_active IP Right Cessation
- 2003-04-29 TW TW092110070A patent/TWI248726B/zh not_active IP Right Cessation
- 2003-04-29 WO PCT/US2003/013248 patent/WO2003093929A2/en active Application Filing
- 2003-04-29 CN CN201010230616XA patent/CN101888260A/zh active Pending
- 2003-04-29 TW TW101146755A patent/TW201345175A/zh unknown
- 2003-04-29 KR KR10-2004-7017505A patent/KR20040105248A/ko not_active Application Discontinuation
- 2003-04-29 CA CA2653507A patent/CA2653507C/en not_active Expired - Fee Related
- 2003-04-29 TW TW095115510A patent/TWI324861B/zh not_active IP Right Cessation
- 2003-04-29 TW TW092130148A patent/TWI309926B/zh not_active IP Right Cessation
- 2003-04-29 JP JP2004502086A patent/JP3944510B2/ja not_active Expired - Fee Related
- 2003-04-29 AR ARP030101484A patent/AR039487A1/es not_active Application Discontinuation
- 2003-04-29 KR KR1020107011010A patent/KR20100075651A/ko not_active Application Discontinuation
- 2003-04-29 EP EP03736507A patent/EP1500208A4/en not_active Withdrawn
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2004
- 2004-11-01 NO NO20044720A patent/NO20044720L/no not_active Application Discontinuation
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2006
- 2006-01-13 JP JP2006006266A patent/JP4072556B2/ja not_active Expired - Fee Related
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2007
- 2007-04-03 HK HK07103617.0A patent/HK1095932A1/xx not_active IP Right Cessation
- 2007-06-11 JP JP2007154490A patent/JP2007228638A/ja not_active Ceased
- 2007-10-18 AR ARP070104615A patent/AR063487A2/es not_active Application Discontinuation
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2008
- 2008-05-12 US US12/119,139 patent/US7715463B2/en not_active Expired - Fee Related
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2010
- 2010-05-07 US US12/775,969 patent/US8379694B2/en not_active Expired - Lifetime
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2012
- 2012-07-09 US US13/544,665 patent/US9525455B2/en not_active Expired - Lifetime
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