WO2006072088A1 - Channel estimation for interference cancellation - Google Patents
Channel estimation for interference cancellation Download PDFInfo
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- WO2006072088A1 WO2006072088A1 PCT/US2005/047642 US2005047642W WO2006072088A1 WO 2006072088 A1 WO2006072088 A1 WO 2006072088A1 US 2005047642 W US2005047642 W US 2005047642W WO 2006072088 A1 WO2006072088 A1 WO 2006072088A1
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- WO
- WIPO (PCT)
- Prior art keywords
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- channel
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7107—Subtractive interference cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7105—Joint detection techniques, e.g. linear detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7107—Subtractive interference cancellation
- H04B2001/71077—Partial interference cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
-
- 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
- H04L25/0212—Channel estimation of impulse response
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2005321821A AU2005321821B2 (en) | 2004-12-23 | 2005-12-22 | Channel estimation for interference cancellation |
JP2007548616A JP4567751B2 (en) | 2004-12-23 | 2005-12-22 | Channel estimation for interference cancellation |
CN2005800482022A CN101120514B (en) | 2004-12-23 | 2005-12-22 | Wireless communication method, base station and wireless communication device |
BRPI0519545-4A BRPI0519545A2 (en) | 2004-12-23 | 2005-12-22 | channel estimation for interference cancellation |
MX2007007768A MX2007007768A (en) | 2004-12-23 | 2005-12-22 | Channel estimation for interference cancellation. |
EP05856105.1A EP1834417B1 (en) | 2004-12-23 | 2005-12-22 | Channel estimation for interference cancellation |
CA002592496A CA2592496A1 (en) | 2004-12-23 | 2005-12-22 | Channel estimation for interference cancellation |
EP10158851.5A EP2204916B1 (en) | 2004-12-23 | 2005-12-22 | Channel estimation for interference cancellation |
IL184022A IL184022A0 (en) | 2004-12-23 | 2007-06-18 | Channel estimation for interference cancellation |
NO20073237A NO20073237L (en) | 2004-12-23 | 2007-06-22 | Channel estimation for interference cancellation |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63866604P | 2004-12-23 | 2004-12-23 | |
US60/638,666 | 2004-12-23 | ||
US11/192,503 US8422955B2 (en) | 2004-12-23 | 2005-07-29 | Channel estimation for interference cancellation |
US11/192,503 | 2005-07-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006072088A1 true WO2006072088A1 (en) | 2006-07-06 |
Family
ID=36612385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/047642 WO2006072088A1 (en) | 2004-12-23 | 2005-12-22 | Channel estimation for interference cancellation |
Country Status (14)
Country | Link |
---|---|
US (1) | US8422955B2 (en) |
EP (2) | EP2204916B1 (en) |
JP (1) | JP4567751B2 (en) |
KR (1) | KR100938730B1 (en) |
CN (1) | CN102035569B (en) |
AU (1) | AU2005321821B2 (en) |
BR (1) | BRPI0519545A2 (en) |
CA (1) | CA2592496A1 (en) |
IL (1) | IL184022A0 (en) |
MX (1) | MX2007007768A (en) |
NO (1) | NO20073237L (en) |
RU (1) | RU2364023C2 (en) |
TW (1) | TW200703942A (en) |
WO (1) | WO2006072088A1 (en) |
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US8630602B2 (en) | 2005-08-22 | 2014-01-14 | Qualcomm Incorporated | Pilot interference cancellation |
US8743909B2 (en) | 2008-02-20 | 2014-06-03 | Qualcomm Incorporated | Frame termination |
US9071344B2 (en) | 2005-08-22 | 2015-06-30 | Qualcomm Incorporated | Reverse link interference cancellation |
US9185594B2 (en) | 2007-09-12 | 2015-11-10 | Qualcomm Incorporated | Capacity increasing devices and methods for wireless communication |
US9509452B2 (en) | 2009-11-27 | 2016-11-29 | Qualcomm Incorporated | Increasing capacity in wireless communications |
US9673837B2 (en) | 2009-11-27 | 2017-06-06 | Qualcomm Incorporated | Increasing capacity in wireless communications |
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US8611311B2 (en) * | 2001-06-06 | 2013-12-17 | Qualcomm Incorporated | Method and apparatus for canceling pilot interference in a wireless communication system |
US8005128B1 (en) | 2003-09-23 | 2011-08-23 | Rambus Inc. | Methods for estimation and interference cancellation for signal processing |
US7715508B2 (en) * | 2005-11-15 | 2010-05-11 | Tensorcomm, Incorporated | Iterative interference cancellation using mixed feedback weights and stabilizing step sizes |
US7197692B2 (en) | 2004-06-18 | 2007-03-27 | Qualcomm Incorporated | Robust erasure detection and erasure-rate-based closed loop power control |
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US8406695B2 (en) * | 2004-12-23 | 2013-03-26 | Qualcomm Incorporated | Joint interference cancellation of pilot, overhead and traffic channels |
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US7702048B2 (en) * | 2005-11-15 | 2010-04-20 | Tensorcomm, Incorporated | Iterative interference cancellation using mixed feedback weights and stabilizing step sizes |
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EP1834417B1 (en) | 2018-12-12 |
JP4567751B2 (en) | 2010-10-20 |
MX2007007768A (en) | 2007-08-21 |
CN102035569B (en) | 2013-10-09 |
BRPI0519545A2 (en) | 2009-02-17 |
US8422955B2 (en) | 2013-04-16 |
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AU2005321821A1 (en) | 2006-07-06 |
CN102035569A (en) | 2011-04-27 |
NO20073237L (en) | 2007-09-21 |
RU2007128073A (en) | 2009-01-27 |
JP2008526136A (en) | 2008-07-17 |
KR100938730B1 (en) | 2010-01-26 |
EP1834417A1 (en) | 2007-09-19 |
IL184022A0 (en) | 2007-10-31 |
EP2204916A1 (en) | 2010-07-07 |
US20060141933A1 (en) | 2006-06-29 |
EP2204916B1 (en) | 2019-07-24 |
TW200703942A (en) | 2007-01-16 |
RU2364023C2 (en) | 2009-08-10 |
AU2005321821B2 (en) | 2010-05-27 |
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