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
- Authority
- CN
- China
- Prior art keywords
- pilot
- signal
- communication link
- equipment according
- channel coefficients
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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 Active 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 |
CN101690060B (zh) * | 2007-06-29 | 2012-09-26 | 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 |
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 CN CN2004800200888A patent/CN1823490B/zh active Active
- 2004-06-25 WO PCT/EP2004/051249 patent/WO2005015813A1/en active Application Filing
- 2004-06-25 KR KR1020067001071A patent/KR101109996B1/ko active IP Right Grant
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 |
---|---|
KR20060063893A (ko) | 2006-06-12 |
CN1823490B (zh) | 2010-06-16 |
WO2005015813A1 (en) | 2005-02-17 |
KR101109996B1 (ko) | 2012-01-31 |
EP1499059A1 (en) | 2005-01-19 |
EP1499059B1 (en) | 2011-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20210075572A1 (en) | Method and apparatus for generating pilot tone in orthogonal frequency division multiplexing access system, and method and apparatus for estimating channel using it | |
US7545732B2 (en) | Apparatus and method for assigning sub-carriers in an orthogonal frequency division multiplex system | |
US20030223354A1 (en) | SINR measurement method for OFDM communications systems | |
US7711386B2 (en) | Apparatus and method for selective power control for an OFDM mobile communication system | |
US8902861B2 (en) | Method and apparatus for sending signaling for data transmission in a wireless communication system | |
US20040198276A1 (en) | Multiple channel wireless receiver | |
US8477891B2 (en) | Noise estimation for wireless communication | |
US20060221807A1 (en) | Multi-carrier transmitter apparatus, multi-carrier receiver apparatus and multi-carrier communication method | |
US20050286409A1 (en) | Apparatus and method for transmitting/receiving uplink random access channel in mobile communication system | |
US20060018250A1 (en) | Apparatus and method for transmitting and receiving a signal in an orthogonal frequency division multiplexing system | |
US20070076810A1 (en) | System and method for selecting transmission format using effective SNR | |
US20100150000A1 (en) | Radio communication system, base station, terminal apparatus and pilot signal controlling method | |
CN1642051A (zh) | 一种获取最优导引符号功率的方法 | |
CN1823490B (zh) | 在ofdm网络中用于确定链路质量的方法和设备 | |
US7684765B2 (en) | Transmit antenna switching apparatus and method in MIMO system | |
JP2002247003A (ja) | 直交周波数分割多重変調方式を用いた伝送装置 | |
US8750397B2 (en) | Apparatus and method for channel estimation in wireless communication system | |
KR101378695B1 (ko) | 통신 시스템에서의 훈련 시퀀스 코드 생성 방법 및 장치 | |
KR20050119592A (ko) | 주파수 도약-직교 주파수 분할 다중 접속 방식을 사용하는이동 통신 시스템에서 채널 추정 장치 및 방법 | |
KR20070096443A (ko) | 통신 시스템에서 신호 송수신 장치 및 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MOTOROLA MOBILE CO., LTD Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20110119 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110119 Address after: Illinois State Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois, USA Patentee before: Motorola, Inc. |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
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. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20160304 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |