SG160381A1 - Automatic frequency control for a wireless communication system with multiple subcarriers - Google Patents
Automatic frequency control for a wireless communication system with multiple subcarriersInfo
- Publication number
- SG160381A1 SG160381A1 SG201001617-8A SG2010016178A SG160381A1 SG 160381 A1 SG160381 A1 SG 160381A1 SG 2010016178 A SG2010016178 A SG 2010016178A SG 160381 A1 SG160381 A1 SG 160381A1
- Authority
- SG
- Singapore
- Prior art keywords
- frequency
- frequency error
- error estimate
- ofdm symbol
- frequency control
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/02—Digital function generators
- G06F1/03—Digital function generators working, at least partly, by table look-up
- G06F1/035—Reduction of table size
- G06F1/0353—Reduction of table size by using symmetrical properties of the function, e.g. using most significant bits for quadrant control
-
- 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
- H04L27/2659—Coarse or integer frequency offset determination and 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
- H04L27/266—Fine or fractional frequency offset determination and 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
- H04L27/2662—Symbol 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
- 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
- H04L27/2676—Blind, i.e. without using known symbols
- H04L27/2678—Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Circuits Of Receivers In General (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Radio Relay Systems (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66091405P | 2005-03-11 | 2005-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG160381A1 true SG160381A1 (en) | 2010-04-29 |
Family
ID=36992432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG201001617-8A SG160381A1 (en) | 2005-03-11 | 2006-03-13 | Automatic frequency control for a wireless communication system with multiple subcarriers |
Country Status (8)
Country | Link |
---|---|
US (1) | US8009775B2 (ja) |
EP (1) | EP1869767A2 (ja) |
JP (1) | JP2008544591A (ja) |
CN (1) | CN101313546B (ja) |
BR (1) | BRPI0608230A2 (ja) |
CA (1) | CA2600489A1 (ja) |
SG (1) | SG160381A1 (ja) |
WO (1) | WO2006099532A2 (ja) |
Families Citing this family (51)
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US8144818B2 (en) * | 2005-12-15 | 2012-03-27 | Qualcomm Incorporated | Apparatus and methods for determining timing in a communication system |
KR100872043B1 (ko) * | 2005-12-29 | 2008-12-05 | 삼성전자주식회사 | 광대역 무선접속 통신시스템에서 파일럿 패턴 결정 장치 및방법 |
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US8428198B2 (en) | 2006-03-15 | 2013-04-23 | Qualcomm Incorporated | Frequency tracking which adapts to timing synchronization |
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CN102271424B (zh) * | 2010-12-31 | 2012-08-29 | 重庆重邮信科通信技术有限公司 | 多模无线终端afc控制装置及方法 |
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CN112672283B (zh) * | 2020-12-28 | 2022-04-05 | 北京邮电大学 | 一种定位接收机中跟踪环路误差的处理装置及方法 |
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-
2006
- 2006-03-09 US US11/372,931 patent/US8009775B2/en not_active Expired - Fee Related
- 2006-03-13 CN CN2006800133717A patent/CN101313546B/zh not_active Expired - Fee Related
- 2006-03-13 EP EP06738527A patent/EP1869767A2/en not_active Withdrawn
- 2006-03-13 WO PCT/US2006/009475 patent/WO2006099532A2/en active Application Filing
- 2006-03-13 CA CA002600489A patent/CA2600489A1/en not_active Abandoned
- 2006-03-13 SG SG201001617-8A patent/SG160381A1/en unknown
- 2006-03-13 JP JP2008501076A patent/JP2008544591A/ja active Pending
- 2006-03-13 BR BRPI0608230-0A patent/BRPI0608230A2/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP1869767A2 (en) | 2007-12-26 |
US20060215778A1 (en) | 2006-09-28 |
BRPI0608230A2 (pt) | 2009-11-24 |
CN101313546A (zh) | 2008-11-26 |
US8009775B2 (en) | 2011-08-30 |
WO2006099532A2 (en) | 2006-09-21 |
CA2600489A1 (en) | 2006-09-21 |
JP2008544591A (ja) | 2008-12-04 |
WO2006099532A3 (en) | 2008-07-24 |
CN101313546B (zh) | 2013-01-16 |
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