UA88893C2 - Оценка отклонения частоты и кадровая синхронизация в очрк-системе - Google Patents
Оценка отклонения частоты и кадровая синхронизация в очрк-системеInfo
- Publication number
- UA88893C2 UA88893C2 UAA200608838A UAA200608838A UA88893C2 UA 88893 C2 UA88893 C2 UA 88893C2 UA A200608838 A UAA200608838 A UA A200608838A UA A200608838 A UAA200608838 A UA A200608838A UA 88893 C2 UA88893 C2 UA 88893C2
- Authority
- UA
- Ukraine
- Prior art keywords
- frequency error
- metric
- ofdm symbol
- error estimation
- ofdm
- 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
-
- 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
- H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
-
- 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
-
- 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
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Оценка отклонения частоты и кадровая синхронизация выполняются в приемнике в ОЧРК-системе, базируясь на метрике, которая указывает на обнаруженную мощность пилотного сигнала. Метрика может определяться на основе взаимной корреляции между двумя принятыми символами, полученными в двух периодах ОЧРК-символа. Для оценки отклонение частоты вычисляется значение метрики для каждого из многочисленных предсказуемых отклонений частоты. Предсказуемое отклонение частоты для значения метрики с наибольшей величиной предусматривается как оцененное отклонение частоты. Для кадровой синхронизации значения корреляции получ
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/754,796 US7746760B2 (en) | 2004-01-08 | 2004-01-08 | Frequency error estimation and frame synchronization in an OFDM system |
Publications (1)
Publication Number | Publication Date |
---|---|
UA88893C2 true UA88893C2 (ru) | 2009-12-10 |
Family
ID=34739448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UAA200608838A UA88893C2 (ru) | 2004-01-08 | 2005-01-07 | Оценка отклонения частоты и кадровая синхронизация в очрк-системе |
Country Status (19)
Country | Link |
---|---|
US (1) | US7746760B2 (ru) |
EP (3) | EP1976211A1 (ru) |
JP (2) | JP2007518363A (ru) |
KR (1) | KR100828389B1 (ru) |
CN (1) | CN1930841B (ru) |
AR (1) | AR047378A1 (ru) |
AT (1) | ATE416549T1 (ru) |
AU (1) | AU2005207364A1 (ru) |
BR (1) | BRPI0506733A (ru) |
CA (1) | CA2551988C (ru) |
DE (1) | DE602005011400D1 (ru) |
IL (1) | IL176703A0 (ru) |
NO (1) | NO20063570L (ru) |
NZ (1) | NZ548310A (ru) |
RU (1) | RU2323537C1 (ru) |
TW (1) | TW200601759A (ru) |
UA (1) | UA88893C2 (ru) |
WO (1) | WO2005071911A1 (ru) |
ZA (1) | ZA200605628B (ru) |
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-
2004
- 2004-01-08 US US10/754,796 patent/US7746760B2/en not_active Expired - Fee Related
-
2005
- 2005-01-07 CA CA2551988A patent/CA2551988C/en not_active Expired - Fee Related
- 2005-01-07 CN CN2005800073285A patent/CN1930841B/zh not_active Expired - Fee Related
- 2005-01-07 BR BRPI0506733-2A patent/BRPI0506733A/pt not_active IP Right Cessation
- 2005-01-07 DE DE602005011400T patent/DE602005011400D1/de active Active
- 2005-01-07 AU AU2005207364A patent/AU2005207364A1/en not_active Abandoned
- 2005-01-07 TW TW094100420A patent/TW200601759A/zh unknown
- 2005-01-07 EP EP08012660A patent/EP1976211A1/en not_active Withdrawn
- 2005-01-07 NZ NZ548310A patent/NZ548310A/en unknown
- 2005-01-07 RU RU2006128736/09A patent/RU2323537C1/ru not_active IP Right Cessation
- 2005-01-07 EP EP05705174A patent/EP1706976B1/en not_active Not-in-force
- 2005-01-07 UA UAA200608838A patent/UA88893C2/ru unknown
- 2005-01-07 AT AT05705174T patent/ATE416549T1/de not_active IP Right Cessation
- 2005-01-07 KR KR1020067015924A patent/KR100828389B1/ko not_active IP Right Cessation
- 2005-01-07 JP JP2006549408A patent/JP2007518363A/ja not_active Ceased
- 2005-01-07 EP EP08012661A patent/EP1976212A1/en not_active Withdrawn
- 2005-01-07 WO PCT/US2005/000400 patent/WO2005071911A1/en active Application Filing
- 2005-01-10 AR ARP050100071A patent/AR047378A1/es unknown
-
2006
- 2006-07-04 IL IL176703A patent/IL176703A0/en unknown
- 2006-07-07 ZA ZA200605628A patent/ZA200605628B/xx unknown
- 2006-08-07 NO NO20063570A patent/NO20063570L/no not_active Application Discontinuation
-
2010
- 2010-12-03 JP JP2010270461A patent/JP2011101384A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NO20063570L (no) | 2006-10-06 |
CN1930841B (zh) | 2010-08-04 |
CN1930841A (zh) | 2007-03-14 |
AU2005207364A1 (en) | 2005-08-04 |
ATE416549T1 (de) | 2008-12-15 |
IL176703A0 (en) | 2006-10-31 |
TW200601759A (en) | 2006-01-01 |
AR047378A1 (es) | 2006-01-18 |
EP1976211A1 (en) | 2008-10-01 |
KR100828389B1 (ko) | 2008-05-08 |
DE602005011400D1 (de) | 2009-01-15 |
EP1706976B1 (en) | 2008-12-03 |
ZA200605628B (en) | 2007-11-28 |
CA2551988C (en) | 2010-03-16 |
KR20060107574A (ko) | 2006-10-13 |
EP1976212A1 (en) | 2008-10-01 |
RU2323537C1 (ru) | 2008-04-27 |
WO2005071911A1 (en) | 2005-08-04 |
CA2551988A1 (en) | 2005-08-04 |
US7746760B2 (en) | 2010-06-29 |
NZ548310A (en) | 2008-06-30 |
BRPI0506733A (pt) | 2007-05-02 |
JP2011101384A (ja) | 2011-05-19 |
US20050152326A1 (en) | 2005-07-14 |
JP2007518363A (ja) | 2007-07-05 |
EP1706976A1 (en) | 2006-10-04 |
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