CN1823490A - 在ofdm网络中用于确定链路质量的方法和设备 - Google Patents
在ofdm网络中用于确定链路质量的方法和设备 Download PDFInfo
- Publication number
- CN1823490A CN1823490A CNA2004800200888A CN200480020088A CN1823490A CN 1823490 A CN1823490 A CN 1823490A CN A2004800200888 A CNA2004800200888 A CN A2004800200888A CN 200480020088 A CN200480020088 A CN 200480020088A CN 1823490 A CN1823490 A CN 1823490A
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- pilot
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- 238000000034 method Methods 0.000 title claims description 7
- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000005259 measurement Methods 0.000 claims abstract description 23
- 238000012549 training Methods 0.000 claims abstract description 21
- 239000000969 carrier Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 108091006146 Channels Proteins 0.000 claims 12
- 238000012935 Averaging Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- YEHCICAEULNIGD-MZMPZRCHSA-N pergolide Chemical compound C1=CC([C@H]2C[C@@H](CSC)CN([C@@H]2C2)CCC)=C3C2=CNC3=C1 YEHCICAEULNIGD-MZMPZRCHSA-N 0.000 description 3
- 229940088507 permax Drugs 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 102100029469 WD repeat and HMG-box DNA-binding protein 1 Human genes 0.000 description 1
- 101710097421 WD repeat and HMG-box DNA-binding protein 1 Proteins 0.000 description 1
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- 238000013508 migration Methods 0.000 description 1
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- 238000005457 optimization Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
-
- 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
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03291809A EP1499059B1 (en) | 2003-07-18 | 2003-07-18 | Method and device for determining the link quality in an OFDM network |
EP03291809.6 | 2003-07-18 | ||
PCT/EP2004/051249 WO2005015813A1 (en) | 2003-07-18 | 2004-06-25 | Method and device for determining the link quality in an ofdm network |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1823490A true CN1823490A (zh) | 2006-08-23 |
CN1823490B CN1823490B (zh) | 2010-06-16 |
Family
ID=33462262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2004800200888A Expired - Lifetime CN1823490B (zh) | 2003-07-18 | 2004-06-25 | 在ofdm网络中用于确定链路质量的方法和设备 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1499059B1 (zh) |
KR (1) | KR101109996B1 (zh) |
CN (1) | CN1823490B (zh) |
WO (1) | WO2005015813A1 (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009003306A1 (en) * | 2007-06-29 | 2009-01-08 | Thomson Licensing | Apparatus and method for removing common phase error in a dvb-t/h receiver |
CN1917501B (zh) * | 2006-09-19 | 2010-09-08 | 华为技术有限公司 | 一种载波干扰噪声比的测量方法及装置 |
CN102238111A (zh) * | 2010-04-23 | 2011-11-09 | 中兴通讯股份有限公司 | 一种信号干扰检测方法及装置 |
CN102694593A (zh) * | 2012-05-30 | 2012-09-26 | 武汉邮电科学研究院 | 一种光无源器件的谱特性的测试方法 |
CN101282166B (zh) * | 2007-04-04 | 2012-10-10 | 中兴通讯股份有限公司 | 用于动态调度的物理信道训练码分配方法 |
CN101312441B (zh) * | 2007-05-23 | 2013-02-13 | 日本电气株式会社 | 接收质量测量设备和接收质量测量方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8279743B2 (en) * | 2007-05-31 | 2012-10-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for interference estimation for orthogonal pilot patterns |
BRPI0721767B1 (pt) | 2007-06-29 | 2019-11-12 | Interdigital Ce Patent Holdings | aparelho e método para a remoção de erro de fase comum em um receptor dvb-t/h |
US8532605B2 (en) | 2007-08-09 | 2013-09-10 | Intel Mobile Communications GmbH | Determining a receiving quality in a radio communication device |
ATE497287T1 (de) * | 2007-08-30 | 2011-02-15 | Ericsson Telefon Ab L M | Schätzung eines signal-zu-interferenz- verhältnisses bei einem empfänger eines drahtlosen kommunikationssystems |
US8605839B2 (en) | 2010-09-21 | 2013-12-10 | Qualcomm Incorporated | System and method for reducing power consumption in a FLO-EV receiver |
KR102027828B1 (ko) | 2013-08-14 | 2019-10-04 | 삼성전자 주식회사 | 채널 정보 추정 방법 및 장치 |
AT517364B1 (de) * | 2015-06-24 | 2020-01-15 | Siemens Ag Oesterreich | Verfahren und Kommunikationssystem zur drahtlosen Datenübertragung über ein lokales Funknetz |
CN108736919B (zh) * | 2017-04-14 | 2020-05-26 | 大唐移动通信设备有限公司 | 一种噪声功率估计方法及装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6308082B1 (en) * | 1998-10-06 | 2001-10-23 | Telefonaktiebolaget L M Ericsson (Publ) | Cell-level throughput adjustment in digital cellular systems |
JP4287536B2 (ja) * | 1998-11-06 | 2009-07-01 | パナソニック株式会社 | Ofdm送受信装置及びofdm送受信方法 |
US6865233B1 (en) * | 1999-02-19 | 2005-03-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and system for control signalling enabling flexible link adaptation in a radiocommunication system |
EP1176750A1 (en) * | 2000-07-25 | 2002-01-30 | Telefonaktiebolaget L M Ericsson (Publ) | Link quality determination of a transmission link in an OFDM transmission system |
US6563885B1 (en) * | 2001-10-24 | 2003-05-13 | Texas Instruments Incorporated | Decimated noise estimation and/or beamforming for wireless communications |
-
2003
- 2003-07-18 EP EP03291809A patent/EP1499059B1/en not_active Expired - Lifetime
-
2004
- 2004-06-25 KR KR1020067001071A patent/KR101109996B1/ko active IP Right Grant
- 2004-06-25 CN CN2004800200888A patent/CN1823490B/zh not_active Expired - Lifetime
- 2004-06-25 WO PCT/EP2004/051249 patent/WO2005015813A1/en active Application Filing
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1917501B (zh) * | 2006-09-19 | 2010-09-08 | 华为技术有限公司 | 一种载波干扰噪声比的测量方法及装置 |
CN101282166B (zh) * | 2007-04-04 | 2012-10-10 | 中兴通讯股份有限公司 | 用于动态调度的物理信道训练码分配方法 |
CN101312441B (zh) * | 2007-05-23 | 2013-02-13 | 日本电气株式会社 | 接收质量测量设备和接收质量测量方法 |
WO2009003306A1 (en) * | 2007-06-29 | 2009-01-08 | Thomson Licensing | Apparatus and method for removing common phase error in a dvb-t/h receiver |
US8401097B2 (en) | 2007-06-29 | 2013-03-19 | Thomson Licensing | Apparatus and method for removing common phase error in a DVB-T/H receiver |
CN101689952B (zh) * | 2007-06-29 | 2013-06-05 | 汤姆逊许可公司 | 用于消除dvb-t/h接收机中公共相位误差的设备和方法 |
CN102238111A (zh) * | 2010-04-23 | 2011-11-09 | 中兴通讯股份有限公司 | 一种信号干扰检测方法及装置 |
CN102694593A (zh) * | 2012-05-30 | 2012-09-26 | 武汉邮电科学研究院 | 一种光无源器件的谱特性的测试方法 |
CN102694593B (zh) * | 2012-05-30 | 2015-04-15 | 武汉邮电科学研究院 | 一种光无源器件的谱特性的测试方法 |
Also Published As
Publication number | Publication date |
---|---|
KR101109996B1 (ko) | 2012-01-31 |
EP1499059B1 (en) | 2011-07-06 |
EP1499059A1 (en) | 2005-01-19 |
KR20060063893A (ko) | 2006-06-12 |
CN1823490B (zh) | 2010-06-16 |
WO2005015813A1 (en) | 2005-02-17 |
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Effective date of registration: 20110119 Address after: Illinois State Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois, USA Patentee before: Motorola, Inc. |
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C41 | Transfer of patent application or patent right or utility model | ||
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CP01 | Change in the name or title of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY, Inc. |
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Effective date of registration: 20160304 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |
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Granted publication date: 20100616 |