CN100420178C - 信道质量测量方法和设备、通信系统、自适应调制和编码方法 - Google Patents
信道质量测量方法和设备、通信系统、自适应调制和编码方法 Download PDFInfo
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- CN100420178C CN100420178C CNB02825273XA CN02825273A CN100420178C CN 100420178 C CN100420178 C CN 100420178C CN B02825273X A CNB02825273X A CN B02825273XA CN 02825273 A CN02825273 A CN 02825273A CN 100420178 C CN100420178 C CN 100420178C
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
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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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0631—Receiver arrangements
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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
- H04L1/0001—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
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
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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
- H04L1/208—Arrangements for detecting or preventing errors in the information received using signal quality detector involving signal re-encoding
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- 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
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
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- 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
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0236—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols using estimation of the other symbols
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- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03312—Arrangements specific to the provision of output signals
- H04L25/03318—Provision of soft decisions
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- 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
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
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- 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
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- 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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
Abstract
Description
Claims (16)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32951501P | 2001-10-17 | 2001-10-17 | |
US32951101P | 2001-10-17 | 2001-10-17 | |
US60/329,515 | 2001-10-17 | ||
US60/329,511 | 2001-10-17 | ||
US10/038,916 US7773699B2 (en) | 2001-10-17 | 2002-01-08 | Method and apparatus for channel quality measurements |
US10/038,916 | 2002-01-08 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008101442780A Division CN101355405B (zh) | 2001-10-17 | 2002-10-15 | 信道质量测量方法和设备、通信系统、自适应调制和编码方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1605171A CN1605171A (zh) | 2005-04-06 |
CN100420178C true CN100420178C (zh) | 2008-09-17 |
Family
ID=27365471
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB02825273XA Expired - Lifetime CN100420178C (zh) | 2001-10-17 | 2002-10-15 | 信道质量测量方法和设备、通信系统、自适应调制和编码方法 |
CN2008101442780A Expired - Lifetime CN101355405B (zh) | 2001-10-17 | 2002-10-15 | 信道质量测量方法和设备、通信系统、自适应调制和编码方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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CN2008101442780A Expired - Lifetime CN101355405B (zh) | 2001-10-17 | 2002-10-15 | 信道质量测量方法和设备、通信系统、自适应调制和编码方法 |
Country Status (7)
Country | Link |
---|---|
US (3) | US7773699B2 (zh) |
EP (3) | EP2264928A3 (zh) |
KR (2) | KR101020461B1 (zh) |
CN (2) | CN100420178C (zh) |
AU (1) | AU2002331504A1 (zh) |
HK (1) | HK1127678A1 (zh) |
WO (1) | WO2003034646A2 (zh) |
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2002
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- 2002-10-15 CN CNB02825273XA patent/CN100420178C/zh not_active Expired - Lifetime
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- 2002-10-15 KR KR1020047005680A patent/KR100964203B1/ko active IP Right Grant
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HK1127678A1 (en) | 2009-10-02 |
KR100964203B1 (ko) | 2010-06-17 |
KR101020461B1 (ko) | 2011-03-08 |
AU2002331504A1 (en) | 2003-04-28 |
US20100284480A1 (en) | 2010-11-11 |
KR20040045857A (ko) | 2004-06-02 |
US8594247B2 (en) | 2013-11-26 |
US20030072395A1 (en) | 2003-04-17 |
WO2003034646A3 (en) | 2003-09-25 |
US8170155B2 (en) | 2012-05-01 |
CN101355405B (zh) | 2012-08-15 |
EP2264927A3 (en) | 2011-08-10 |
KR20100021535A (ko) | 2010-02-24 |
EP2264928A3 (en) | 2011-08-10 |
EP2264927A2 (en) | 2010-12-22 |
US20120219093A1 (en) | 2012-08-30 |
EP1438800A2 (en) | 2004-07-21 |
EP2264928A2 (en) | 2010-12-22 |
US7773699B2 (en) | 2010-08-10 |
CN1605171A (zh) | 2005-04-06 |
WO2003034646A2 (en) | 2003-04-24 |
EP2264927B1 (en) | 2016-06-15 |
CN101355405A (zh) | 2009-01-28 |
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