WO2002080432A3 - Successive user data multipath interference cancellation - Google Patents
Successive user data multipath interference cancellation Download PDFInfo
- Publication number
- WO2002080432A3 WO2002080432A3 PCT/IB2002/000938 IB0200938W WO02080432A3 WO 2002080432 A3 WO2002080432 A3 WO 2002080432A3 IB 0200938 W IB0200938 W IB 0200938W WO 02080432 A3 WO02080432 A3 WO 02080432A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- user data
- interference cancellation
- multipath interference
- successive user
- encoded
- Prior art date
Links
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
- H04B1/7113—Determination of path profile
-
- 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
- H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0891—Space-time diversity
- H04B7/0897—Space-time diversity using beamforming per multi-path, e.g. to cope with different directions of arrival [DOA] at different multi-paths
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002244894A AU2002244894A1 (en) | 2001-03-30 | 2002-03-26 | Successive user data multipath interference cancellation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/822,897 US6580771B2 (en) | 2001-03-30 | 2001-03-30 | Successive user data multipath interference cancellation |
US09/822,897 | 2001-03-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002080432A2 WO2002080432A2 (en) | 2002-10-10 |
WO2002080432A3 true WO2002080432A3 (en) | 2003-01-03 |
Family
ID=25237272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2002/000938 WO2002080432A2 (en) | 2001-03-30 | 2002-03-26 | Successive user data multipath interference cancellation |
Country Status (3)
Country | Link |
---|---|
US (1) | US6580771B2 (en) |
AU (1) | AU2002244894A1 (en) |
WO (1) | WO2002080432A2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9172411B2 (en) | 2002-09-20 | 2015-10-27 | Iii Holdings 1, Llc | Advanced signal processors for interference cancellation in baseband receivers |
US9172456B2 (en) | 2005-04-07 | 2015-10-27 | Iii Holdings 1, Llc | Iterative interference suppressor for wireless multiple-access systems with multiple receive antennas |
US9270325B2 (en) | 2005-04-07 | 2016-02-23 | Iii Holdings 1, Llc | Iterative interference suppression using mixed feedback weights and stabilizing step sizes |
Families Citing this family (79)
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US6650653B1 (en) * | 2000-01-19 | 2003-11-18 | Mitsubishi Electric Research Laboratories, Inc. | Software-based digital receiver adaptable to multiple multiplexing schemes |
US6819911B2 (en) * | 2001-04-02 | 2004-11-16 | General Dynamics Decision Systems, Inc. | Active interference suppressor utilizing recombinant transmultiplexing |
US8611311B2 (en) | 2001-06-06 | 2013-12-17 | Qualcomm Incorporated | Method and apparatus for canceling pilot interference in a wireless communication system |
US7218692B2 (en) * | 2001-06-15 | 2007-05-15 | Texas Instruments Incorporated | Multi-path interference cancellation for transmit diversity |
US6963727B2 (en) * | 2001-07-26 | 2005-11-08 | Time Domain Corporation | Direct-path-signal detection apparatus and associated methods |
US7158559B2 (en) * | 2002-01-15 | 2007-01-02 | Tensor Comm, Inc. | Serial cancellation receiver design for a coded signal processing engine |
US8085889B1 (en) | 2005-04-11 | 2011-12-27 | Rambus Inc. | Methods for managing alignment and latency in interference cancellation |
KR100415550B1 (en) * | 2001-10-05 | 2004-01-24 | 한국전자통신연구원 | Simplified Interference Canceller for Receiver of DS-CDMA System |
US7260506B2 (en) * | 2001-11-19 | 2007-08-21 | Tensorcomm, Inc. | Orthogonalization and directional filtering |
US20050101277A1 (en) * | 2001-11-19 | 2005-05-12 | Narayan Anand P. | Gain control for interference cancellation |
SG114534A1 (en) * | 2002-03-12 | 2005-09-28 | Oki Techno Ct Singapore Pte | Reduced-complexity multipath interference cancellation |
US20040208238A1 (en) * | 2002-06-25 | 2004-10-21 | Thomas John K. | Systems and methods for location estimation in spread spectrum communication systems |
WO2004021581A2 (en) * | 2002-08-29 | 2004-03-11 | Zyray Wireless, Inc. | Adaptive pilot interference cancellation in cdma systems |
US7876810B2 (en) | 2005-04-07 | 2011-01-25 | Rambus Inc. | Soft weighted interference cancellation for CDMA systems |
US7787572B2 (en) * | 2005-04-07 | 2010-08-31 | Rambus Inc. | Advanced signal processors for interference cancellation in baseband receivers |
US20050180364A1 (en) * | 2002-09-20 | 2005-08-18 | Vijay Nagarajan | Construction of projection operators for interference cancellation |
US7463609B2 (en) * | 2005-07-29 | 2008-12-09 | Tensorcomm, Inc | Interference cancellation within wireless transceivers |
US7577186B2 (en) * | 2002-09-20 | 2009-08-18 | Tensorcomm, Inc | Interference matrix construction |
US8761321B2 (en) | 2005-04-07 | 2014-06-24 | Iii Holdings 1, Llc | Optimal feedback weighting for soft-decision cancellers |
US8005128B1 (en) | 2003-09-23 | 2011-08-23 | Rambus Inc. | Methods for estimation and interference cancellation for signal processing |
US20050123080A1 (en) * | 2002-11-15 | 2005-06-09 | Narayan Anand P. | Systems and methods for serial cancellation |
US8179946B2 (en) * | 2003-09-23 | 2012-05-15 | Rambus Inc. | Systems and methods for control of advanced receivers |
US20040071197A1 (en) * | 2002-10-10 | 2004-04-15 | Jia-Chin Lin | Modified PN code tracking loop for direct-sequence spread-spectrum communication over arbitrarily correlated multipath fading channels |
WO2004036811A2 (en) * | 2002-10-15 | 2004-04-29 | Tensorcomm Inc. | Method and apparatus for interference suppression with efficient matrix inversion in a ds-cdma system |
WO2004042948A1 (en) * | 2002-10-31 | 2004-05-21 | Tensorcomm, Incorporated | Systems and methods for reducing interference in cdma systems |
AU2003286785A1 (en) * | 2002-11-01 | 2004-06-07 | Magnolia Broadband Inc. | Processing diversity signals using a delay |
WO2004073159A2 (en) * | 2002-11-15 | 2004-08-26 | Tensorcomm, Incorporated | Systems and methods for parallel signal cancellation |
FR2855342B1 (en) * | 2003-05-20 | 2008-09-05 | St Microelectronics Sa | METHOD FOR DELAYING SYMBOLS WITHIN A "RAKE" RECEPTOR, AND CORRESPONDING "RAKE" RECEPTOR |
US7477710B2 (en) * | 2004-01-23 | 2009-01-13 | Tensorcomm, Inc | Systems and methods for analog to digital conversion with a signal cancellation system of a receiver |
US20050169354A1 (en) * | 2004-01-23 | 2005-08-04 | Olson Eric S. | Systems and methods for searching interference canceled data |
US20050254590A1 (en) * | 2004-05-11 | 2005-11-17 | Ilari Kukkula | Receiver, arrangement and method for decoding signal |
KR100661335B1 (en) * | 2004-07-14 | 2006-12-27 | 에스케이 텔레콤주식회사 | Multi-path interference removing for wireless relay system apparatus and method using by same channel frequency |
EP1659706A1 (en) * | 2004-11-17 | 2006-05-24 | Alcatel | Method and system for improving the quality of a radio signal |
US20060125689A1 (en) * | 2004-12-10 | 2006-06-15 | Narayan Anand P | Interference cancellation in a receive diversity system |
US8099123B2 (en) | 2004-12-23 | 2012-01-17 | Qualcomm Incorporated | Adaptation of transmit subchannel gains in a system with interference cancellation |
US8442441B2 (en) | 2004-12-23 | 2013-05-14 | Qualcomm Incorporated | Traffic interference cancellation |
US8422955B2 (en) | 2004-12-23 | 2013-04-16 | Qualcomm Incorporated | Channel estimation for interference cancellation |
US8406695B2 (en) | 2004-12-23 | 2013-03-26 | Qualcomm Incorporated | Joint interference cancellation of pilot, overhead and traffic channels |
US20060229051A1 (en) * | 2005-04-07 | 2006-10-12 | Narayan Anand P | Interference selection and cancellation for CDMA communications |
WO2007038016A2 (en) * | 2005-09-23 | 2007-04-05 | Tensorcomm, Inc. | An iterative interference canceller for wireless multiple-access systems with multiple receive antennas |
US8472877B2 (en) * | 2005-10-24 | 2013-06-25 | Qualcomm Incorporated | Iterative interference cancellation system and method |
US8385388B2 (en) | 2005-12-06 | 2013-02-26 | Qualcomm Incorporated | Method and system for signal reconstruction from spatially and temporally correlated received samples |
US9113362B2 (en) * | 2006-12-12 | 2015-08-18 | At&T Mobility Ii Llc | Method and apparatus to separate coverage limited and co-channel limited interferences |
KR100833684B1 (en) * | 2006-12-20 | 2008-05-29 | 에스케이텔레시스 주식회사 | Interference cancellation method and apparatus for microwave repeaters |
EP2273687B1 (en) * | 2009-07-01 | 2016-12-07 | Telefonaktiebolaget LM Ericsson (publ) | Multi-path timing tracking and impairment modeling for improved grake receiver performance in mobility scenarios |
US8761323B2 (en) | 2011-09-28 | 2014-06-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Impairment covariance and combining weight updates during iterative turbo interference cancellation reception |
US8787426B2 (en) | 2011-09-28 | 2014-07-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Finger placement in multi-stage interference cancellation |
US9490963B2 (en) | 2013-02-04 | 2016-11-08 | Kumu Networks, Inc. | Signal cancellation using feedforward and feedback paths |
US8976641B2 (en) | 2013-08-09 | 2015-03-10 | Kumu Networks, Inc. | Systems and methods for non-linear digital self-interference cancellation |
US9698860B2 (en) | 2013-08-09 | 2017-07-04 | Kumu Networks, Inc. | Systems and methods for self-interference canceller tuning |
US9054795B2 (en) | 2013-08-14 | 2015-06-09 | Kumu Networks, Inc. | Systems and methods for phase noise mitigation |
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US10673519B2 (en) | 2013-08-29 | 2020-06-02 | Kuma Networks, Inc. | Optically enhanced self-interference cancellation |
US9520983B2 (en) | 2013-09-11 | 2016-12-13 | Kumu Networks, Inc. | Systems for delay-matched analog self-interference cancellation |
US9774405B2 (en) | 2013-12-12 | 2017-09-26 | Kumu Networks, Inc. | Systems and methods for frequency-isolated self-interference cancellation |
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US9521023B2 (en) | 2014-10-17 | 2016-12-13 | Kumu Networks, Inc. | Systems for analog phase shifting |
US9712313B2 (en) | 2014-11-03 | 2017-07-18 | Kumu Networks, Inc. | Systems for multi-peak-filter-based analog self-interference cancellation |
US9673854B2 (en) | 2015-01-29 | 2017-06-06 | Kumu Networks, Inc. | Method for pilot signal based self-inteference cancellation tuning |
US10027367B2 (en) * | 2015-08-18 | 2018-07-17 | Nokia Solutions And Networks Oy | Quarter wavelength unit delay and complex weighting coefficient continuous-time filters |
US9634823B1 (en) | 2015-10-13 | 2017-04-25 | Kumu Networks, Inc. | Systems for integrated self-interference cancellation |
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US9800275B2 (en) | 2015-12-16 | 2017-10-24 | Kumu Networks, Inc. | Systems and methods for out-of band-interference mitigation |
US9742593B2 (en) | 2015-12-16 | 2017-08-22 | Kumu Networks, Inc. | Systems and methods for adaptively-tuned digital self-interference cancellation |
US10666305B2 (en) | 2015-12-16 | 2020-05-26 | Kumu Networks, Inc. | Systems and methods for linearized-mixer out-of-band interference mitigation |
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US10454444B2 (en) | 2016-04-25 | 2019-10-22 | Kumu Networks, Inc. | Integrated delay modules |
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US10236922B2 (en) | 2017-03-27 | 2019-03-19 | Kumu Networks, Inc. | Systems and methods for tunable out-of-band interference mitigation |
US10200076B1 (en) | 2017-08-01 | 2019-02-05 | Kumu Networks, Inc. | Analog self-interference cancellation systems for CMTS |
US11941516B2 (en) | 2017-08-31 | 2024-03-26 | Micron Technology, Inc. | Cooperative learning neural networks and systems |
WO2019169047A1 (en) | 2018-02-27 | 2019-09-06 | Kumu Networks, Inc. | Systems and methods for configurable hybrid self-interference cancellation |
US10868661B2 (en) | 2019-03-14 | 2020-12-15 | Kumu Networks, Inc. | Systems and methods for efficiently-transformed digital self-interference cancellation |
US10979097B2 (en) | 2019-09-05 | 2021-04-13 | Micron Technology, Inc. | Wireless devices and systems including examples of full duplex transmission using neural networks or recurrent neural networks |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5553062A (en) * | 1993-04-22 | 1996-09-03 | Interdigital Communication Corporation | Spread spectrum CDMA interference canceler system and method |
-
2001
- 2001-03-30 US US09/822,897 patent/US6580771B2/en not_active Expired - Lifetime
-
2002
- 2002-03-26 WO PCT/IB2002/000938 patent/WO2002080432A2/en not_active Application Discontinuation
- 2002-03-26 AU AU2002244894A patent/AU2002244894A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5553062A (en) * | 1993-04-22 | 1996-09-03 | Interdigital Communication Corporation | Spread spectrum CDMA interference canceler system and method |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9172411B2 (en) | 2002-09-20 | 2015-10-27 | Iii Holdings 1, Llc | Advanced signal processors for interference cancellation in baseband receivers |
US9172456B2 (en) | 2005-04-07 | 2015-10-27 | Iii Holdings 1, Llc | Iterative interference suppressor for wireless multiple-access systems with multiple receive antennas |
US9270325B2 (en) | 2005-04-07 | 2016-02-23 | Iii Holdings 1, Llc | Iterative interference suppression using mixed feedback weights and stabilizing step sizes |
US9425855B2 (en) | 2005-04-07 | 2016-08-23 | Iii Holdings 1, Llc | Iterative interference suppressor for wireless multiple-access systems with multiple receive antennas |
Also Published As
Publication number | Publication date |
---|---|
AU2002244894A1 (en) | 2002-10-15 |
US20020172265A1 (en) | 2002-11-21 |
US6580771B2 (en) | 2003-06-17 |
WO2002080432A2 (en) | 2002-10-10 |
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