ATE532301T1 - Kanalschätzung für drahtlose kommunikation - Google Patents
Kanalschätzung für drahtlose kommunikationInfo
- Publication number
- ATE532301T1 ATE532301T1 AT06801274T AT06801274T ATE532301T1 AT E532301 T1 ATE532301 T1 AT E532301T1 AT 06801274 T AT06801274 T AT 06801274T AT 06801274 T AT06801274 T AT 06801274T AT E532301 T1 ATE532301 T1 AT E532301T1
- Authority
- AT
- Austria
- Prior art keywords
- filter
- channel estimation
- channel
- derived
- wireless communications
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H04B1/71072—Successive interference cancellation
-
- 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
- H04B7/0413—MIMO systems
-
- 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
-
- 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
-
- 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
- H04L25/0238—Channel estimation using blind estimation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Noise Elimination (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Transceivers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70767305P | 2005-08-12 | 2005-08-12 | |
US11/492,605 US8165186B2 (en) | 2005-08-12 | 2006-07-24 | Channel estimation for wireless communication |
PCT/US2006/031405 WO2007021952A2 (en) | 2005-08-12 | 2006-08-10 | Channel estimation for wireless communication |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE532301T1 true ATE532301T1 (de) | 2011-11-15 |
Family
ID=37499233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT06801274T ATE532301T1 (de) | 2005-08-12 | 2006-08-10 | Kanalschätzung für drahtlose kommunikation |
Country Status (10)
Country | Link |
---|---|
US (3) | US8165186B2 (de) |
EP (3) | EP2273742B1 (de) |
JP (3) | JP4897810B2 (de) |
KR (3) | KR101143242B1 (de) |
CN (3) | CN101283559B (de) |
AT (1) | ATE532301T1 (de) |
ES (1) | ES2373567T3 (de) |
MY (1) | MY146679A (de) |
TW (2) | TW201036363A (de) |
WO (1) | WO2007021952A2 (de) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005015775A1 (en) * | 2003-08-11 | 2005-02-17 | Nortel Networks Limited | System and method for embedding ofdm in cdma systems |
US8165186B2 (en) * | 2005-08-12 | 2012-04-24 | Qualcomm Incorporated | Channel estimation for wireless communication |
US7864885B2 (en) * | 2006-11-15 | 2011-01-04 | Samsung Electronics Co., Ltd. | Multiple input multiple output (MIMO) transceiver with pooled adaptive digital filtering |
US8102795B2 (en) * | 2007-03-09 | 2012-01-24 | Qualcomm Incorporated | Channel equalization with non-common midamble allocation in 3GPP TD-CDMA systems |
US8014424B2 (en) * | 2007-06-25 | 2011-09-06 | Qualcomm Incorporated | Method and apparatus for using an unique index set for PSC sequence in a wireless communication system |
EP2062374A4 (de) * | 2007-08-31 | 2014-12-03 | Fujitsu Ltd | Drahtlose kommunikationsanordnung und drahtloses kommunikationsverfahren |
KR101457690B1 (ko) * | 2008-03-05 | 2014-11-04 | 삼성전자주식회사 | 통신 시스템에서 간섭 신호를 제거하기 위한 수신 장치 및 방법 |
KR101402906B1 (ko) * | 2008-06-23 | 2014-06-02 | 삼성전자주식회사 | 이동통신 시스템에서 전력 제어를 위한 장치 및 방법 |
US8428538B2 (en) * | 2008-07-09 | 2013-04-23 | Intel Mobile Communications GmbH | Channel estimator |
US8238482B2 (en) | 2008-10-14 | 2012-08-07 | Apple Inc. | Techniques for improving channel estimation and tracking in a wireless communication system |
KR101556636B1 (ko) * | 2008-12-16 | 2015-10-01 | 삼성전자주식회사 | 데이터 채널을 이용한 채널 추정 방법 및 장치 |
US8830918B2 (en) * | 2009-03-16 | 2014-09-09 | Interdigital Patent Holdings, Inc. | Method and apparatus for performing uplink transmit diversity |
US8615030B2 (en) * | 2009-05-04 | 2013-12-24 | Qualcomm Incorporated | Method and system for multi-user detection using two-stage processing |
US8451963B2 (en) * | 2009-06-09 | 2013-05-28 | Qualcomm Incorporated | Method and system for interference cancellation |
RU2542732C2 (ru) | 2009-07-15 | 2015-02-27 | Блэкберри Лимитед | Способ выбора из множества методик оценки канала и радиоприемник |
US9256560B2 (en) * | 2009-07-29 | 2016-02-09 | Solarflare Communications, Inc. | Controller integration |
US8509287B2 (en) * | 2009-10-23 | 2013-08-13 | Broadcom Corporation | Method and system for diversity processing utilizing a programmable interface suppression module |
US8335286B2 (en) * | 2009-08-26 | 2012-12-18 | Qualcomm Incorporated | Methods for determining decoding order in a MIMO system with successive interference cancellation |
US8594238B2 (en) | 2009-12-15 | 2013-11-26 | Electronics And Telecommunications Research Institute | Apparatus and method for estimating channel in channel domain |
KR101329335B1 (ko) * | 2009-12-15 | 2013-11-20 | 한국전자통신연구원 | 주파수 영역의 채널 추정 장치 및 방법 |
US8699553B2 (en) * | 2010-02-19 | 2014-04-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Data-aided SIR estimation |
US8396168B2 (en) * | 2010-04-15 | 2013-03-12 | Telefonaktiebolaget L M Ericsson (Publ) | Channel estimation for equalizer using serial localization with indecision |
US8699592B1 (en) * | 2010-06-11 | 2014-04-15 | Marvell International Ltd. | Systems and methods for estimating decoder noise power in OFDM systems |
WO2012109529A1 (en) | 2011-02-11 | 2012-08-16 | Interdigital Patent Holdings, Inc. | Method and apparatus for uplink closed loop transmit diversity transmission initial access |
US9313744B2 (en) * | 2011-10-28 | 2016-04-12 | Qualcomm Incorporated | Method and apparatus for configuring traffic-to-pilot power ratios in heterogeneous networks |
US8903001B2 (en) * | 2011-11-10 | 2014-12-02 | Marvell World Trade Ltd. | Channel estimation with decision feedback |
WO2014018465A1 (en) | 2012-07-23 | 2014-01-30 | Apple Inc. | Methods and systems for adaptive channel estimation/prediction filter design |
US8737457B2 (en) * | 2012-09-28 | 2014-05-27 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive smoothing of channel estimates |
US9485061B2 (en) * | 2012-10-12 | 2016-11-01 | Samsung Electronics Co., Ltd. | Communication system with flexible repeat-response mechanism and method of operation thereof |
US9350587B1 (en) | 2012-11-30 | 2016-05-24 | Marvell International Ltd. | System and method for timing error estimation |
EP2782305B1 (de) | 2013-03-20 | 2019-07-24 | ZTE (USA) Inc. | An Statistiken anpassungsfähige Soft-Decision-Vorwärtsfehlerkorrektur in digitaler Kommunikation |
EP2782282A3 (de) | 2013-03-20 | 2018-04-04 | ZTE (USA) Inc. | Weiche Maximalwahrscheinlichkeitsfolgeschätzung bei digitaler Kommunikation |
US9553706B2 (en) | 2013-05-15 | 2017-01-24 | Qualcomm Incorporated | Channel estimate under non-uniform reference signal pattern |
US20150049731A1 (en) * | 2013-08-16 | 2015-02-19 | Mitsubishi Electric Research Laboratories, Inc. | Method for Coding OFDMA Data without Pilot Symbols |
EP3054636B1 (de) * | 2013-10-04 | 2020-07-22 | Samsung Electronics Co., Ltd. | Verfahren und vorrichtung zur kanalmessung in einem drahtloskommunikationssystem |
US9350590B2 (en) * | 2013-10-25 | 2016-05-24 | Texas Instruments Incorporated | Method, system and apparatus for carrier frequency offset correction and channel estimation |
EP2975787B1 (de) | 2014-07-16 | 2018-10-03 | ZTE Corporation | Adaptiver digitaler nachfilter und interferenzentzerrer zwischen symbolen für optische kommunikation |
EP3007394B1 (de) | 2014-10-07 | 2019-07-03 | ZTE Corporation | Maximalwahrscheinlichkeitssequenzschätzung von quadraturamplitudenmodulationssignalen |
WO2017019002A1 (en) * | 2015-07-24 | 2017-02-02 | Halliburton Energy Services, Inc. | Channel estimation in mud pulse telemetry |
JP6538589B2 (ja) * | 2016-02-26 | 2019-07-03 | 日本電信電話株式会社 | 無線通信装置及び干渉低減方法 |
KR101943984B1 (ko) | 2017-02-13 | 2019-01-31 | 전남대학교산학협력단 | Lte 기반 사이드링크 시스템에서의 채널 추정 방법 및 이를 위한 장치 |
KR101943985B1 (ko) | 2017-02-14 | 2019-01-31 | 전남대학교산학협력단 | Lte 기반 채널 추정 방법 및 이를 위한 장치 |
KR101977623B1 (ko) | 2017-06-30 | 2019-05-14 | 전남대학교산학협력단 | 고속 링크 적응을 위한 채널 보간 및 예측 방법, 그리고 이를 위한 장치 |
KR101940749B1 (ko) | 2017-08-21 | 2019-01-22 | 전남대학교산학협력단 | 채널 추정 방법 및 이를 위한 장치 |
KR101943983B1 (ko) | 2017-08-22 | 2019-01-31 | 전남대학교산학협력단 | 차량 간 통신에서 채널 추정을 위한 방법 및 이를 위한 장치 |
CN114424623B (zh) * | 2019-09-19 | 2024-07-16 | 上海诺基亚贝尔股份有限公司 | 基于机器学习的信道估计 |
WO2023287415A1 (en) * | 2021-07-14 | 2023-01-19 | Zeku, Inc. | Apparatus and method for low power channel estimation |
CN113436648B (zh) * | 2021-08-26 | 2021-11-30 | 深圳市志泽科技有限公司 | 具有传输信道选择功能的双向通讯系统 |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4740236A (en) * | 1982-12-03 | 1988-04-26 | Ciba-Geigy Corporation | N-sulfonyl-imino-thiocarbonic acid diesters as herbicide antagonists for the protection of rice crops |
US5572552A (en) | 1994-01-27 | 1996-11-05 | Ericsson Ge Mobile Communications Inc. | Method and system for demodulation of downlink CDMA signals |
JP2746261B2 (ja) | 1996-06-10 | 1998-05-06 | 日本電気株式会社 | Ds−cdma干渉キャンセル装置 |
US5872816A (en) * | 1996-08-20 | 1999-02-16 | Hughes Electronics Corporation | Coherent blind demodulation |
JP3335900B2 (ja) | 1998-02-27 | 2002-10-21 | 松下電器産業株式会社 | 干渉除去装置及び干渉除去方法 |
US6381290B1 (en) | 1998-05-15 | 2002-04-30 | Ericsson Inc. | Mobile unit for pilot symbol assisted wireless system and method of improving performance thereof |
JP2970656B1 (ja) | 1998-06-25 | 1999-11-02 | 日本電気株式会社 | Ds−cdmaマルチユーザ干渉キャンセラ |
JP3369489B2 (ja) * | 1998-11-11 | 2003-01-20 | 松下電器産業株式会社 | 無線通信装置及び無線通信方法 |
US6442154B1 (en) | 1999-04-15 | 2002-08-27 | Ericsson Inc. | Method and apparatus for successive cancellation using multiple signal timings |
US6414988B1 (en) * | 1999-05-12 | 2002-07-02 | Qualcomm Incorporated | Amplitude and phase estimation method in a wireless communication system |
JP3373457B2 (ja) | 1999-08-24 | 2003-02-04 | 松下電器産業株式会社 | 無線受信装置及び無線受信方法 |
MY133723A (en) | 1999-09-17 | 2007-11-30 | Ericsson Telefon Ab L M | "apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal" |
AU4505901A (en) | 1999-11-11 | 2001-06-04 | Voyan Technology | Method for design and implementation of fixed-point filters for control and signal processing |
EP1122891A1 (de) | 2000-01-31 | 2001-08-08 | Telefonaktiebolaget Lm Ericsson | Funkempfänger und Verfahren zu dessen Verwendung |
US6963546B2 (en) * | 2000-03-15 | 2005-11-08 | Interdigital Technology Corp. | Multi-user detection using an adaptive combination of joint detection and successive interface cancellation |
JP2001326586A (ja) | 2000-05-17 | 2001-11-22 | Nec Corp | Cdma通信システム及びそれに用いるチャネル推定方法 |
JP2002043980A (ja) * | 2000-07-24 | 2002-02-08 | Matsushita Electric Ind Co Ltd | 無線受信装置および無線受信方法 |
JP3735015B2 (ja) * | 2000-07-26 | 2006-01-11 | 松下電器産業株式会社 | 回線推定装置および回線推定方法 |
JP2002044172A (ja) | 2000-07-26 | 2002-02-08 | Sanyo Electric Co Ltd | 位相補正回路および位相補正回路を備えた携帯無線端末 |
JP2002232397A (ja) * | 2001-01-31 | 2002-08-16 | Ntt Docomo Inc | 移動通信システムにおける受信処理方法及び受信装置 |
US7133435B2 (en) * | 2001-06-20 | 2006-11-07 | Texas Instruments Incorporated | Interference cancellation system and method |
US7058144B2 (en) | 2001-08-07 | 2006-06-06 | Conexant, Inc. | Intelligent control system and method for compensation application in a wireless communications system |
US7230975B2 (en) * | 2001-08-07 | 2007-06-12 | Qualcomm Incorporated | Adaptive pilot filter for a wireless communication system |
US7035659B1 (en) * | 2001-10-22 | 2006-04-25 | Via Telecom Co., Ltd. | Estimation of forward link signal-to-noise ratio |
DE10228103A1 (de) | 2002-06-24 | 2004-01-15 | Bayer Cropscience Ag | Fungizide Wirkstoffkombinationen |
GB2403113B (en) | 2002-08-16 | 2005-05-11 | Toshiba Res Europ Ltd | Channel estimation and training sequence determination |
EP1401164A1 (de) | 2002-09-19 | 2004-03-24 | Telefonaktiebolaget Lm Ericsson | Bandbreitenabschätzung und adaptive Filterung |
JP2004120643A (ja) * | 2002-09-27 | 2004-04-15 | Toshiba Corp | Rake受信機とその受信制御プログラム |
US7092731B2 (en) * | 2003-03-06 | 2006-08-15 | Lucent Technologies Inc. | Method for improving capacity of a reverse link channel in a wireless network |
WO2004082172A1 (en) | 2003-03-10 | 2004-09-23 | Samsung Electronics Co. Ltd. | Apparatus and method for estimating a velocity of a mobile station in a mobile communication system |
US7433433B2 (en) | 2003-11-13 | 2008-10-07 | Telefonaktiebolaget L M Ericsson (Publ) | Channel estimation by adaptive interpolation |
US8165186B2 (en) * | 2005-08-12 | 2012-04-24 | Qualcomm Incorporated | Channel estimation for wireless communication |
-
2006
- 2006-07-24 US US11/492,605 patent/US8165186B2/en active Active
- 2006-08-09 MY MYPI20063848A patent/MY146679A/en unknown
- 2006-08-10 CN CN200680037396.0A patent/CN101283559B/zh active Active
- 2006-08-10 JP JP2008526238A patent/JP4897810B2/ja active Active
- 2006-08-10 EP EP10014083.9A patent/EP2273742B1/de active Active
- 2006-08-10 CN CN2010105218512A patent/CN101958730B/zh active Active
- 2006-08-10 ES ES06801274T patent/ES2373567T3/es active Active
- 2006-08-10 KR KR1020087006053A patent/KR101143242B1/ko active IP Right Grant
- 2006-08-10 KR KR1020097027227A patent/KR101185876B1/ko active IP Right Grant
- 2006-08-10 KR KR1020107021322A patent/KR101096889B1/ko active IP Right Grant
- 2006-08-10 AT AT06801274T patent/ATE532301T1/de active
- 2006-08-10 CN CN201010521845.7A patent/CN101977168B/zh active Active
- 2006-08-10 WO PCT/US2006/031405 patent/WO2007021952A2/en active Application Filing
- 2006-08-10 EP EP06801274A patent/EP1913745B1/de active Active
- 2006-08-10 EP EP10004137.5A patent/EP2226949B1/de active Active
- 2006-08-11 TW TW099116720A patent/TW201036363A/zh unknown
- 2006-08-11 TW TW095129608A patent/TWI340568B/zh not_active IP Right Cessation
-
2010
- 2010-03-04 US US12/717,598 patent/US8625656B2/en active Active
- 2010-10-12 US US12/902,992 patent/US8437380B2/en active Active
-
2011
- 2011-10-26 JP JP2011234959A patent/JP5442697B2/ja active Active
- 2011-10-26 JP JP2011234958A patent/JP5442696B2/ja active Active
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE532301T1 (de) | Kanalschätzung für drahtlose kommunikation | |
IL182471A0 (en) | Log-likelihood estimation based on channel estimation errors due to guard subbands | |
WO2005079031A3 (en) | Channel estimation for a wireless communication system with multiple parallel data streams | |
DE602004029333D1 (de) | Kommunikationsempfänger mit einem adaptiven entzerrer, welcher kanalschätzung verwendet | |
DE602005009727D1 (de) | Iterative vorwärts-rückwärts-schätzung | |
DE602006004517D1 (de) | Optischer Empfänger für differentielle Multilevel Modulation | |
WO2009028629A1 (ja) | 複素環化合物およびその用途 | |
ATE472882T1 (de) | Iterative kanal- und störungsschätzung mit fest zugeordneten pilottönen für ofdma | |
DE60335496D1 (de) | Fading-frequenzschätzvorrichtung | |
DE602004031285D1 (de) | Kanalschätzung eines empfangenen mehrweg cdma-signals | |
DE602004011208D1 (de) | OFDM Empfänger mit Intersymbolinterferenzunterdrückung | |
EP1829261A4 (de) | Kanalschschätzer mit erweiterter kanalbandbreite | |
EP2130364A4 (de) | Rauscherkennungs- und einschätzungsverfahren zur bilderweiterung | |
DE602005003780D1 (de) | Maximum-Wahrscheinlichkeits-Entzerrung mit Interpolation für Reduktion der Komplexität | |
ATE524908T1 (de) | Kommunikationsempfänger mit einer veränderlichen entzerrerlänge | |
WO2006107910A3 (en) | Channel estimation using linearly-constrained filter coefficients | |
WO2007063528A3 (en) | Swept notch uwb transmitter | |
WO2004079969A3 (en) | Channel estimation based on an estimated channel delay spread | |
DE60332837D1 (de) | Streifenmusterdiskriminator für einen interferometer mit streifendem einfall | |
DE602005019955D1 (de) | Empfänger für restseitenbandmodulierte Signale | |
FIU20060339U0 (fi) | Alhaisen kohinatason korvanappi-lähetin-vastaanotin | |
ATE501575T1 (de) | Kommunikationskanal-schätzung | |
GB2522361A (en) | Coefficient-specific filtering of initial channel estimates | |
AU2003241486A1 (en) | Adaptive thresholding algorithm for the noise due to unknown symbols in correlation based channel impulse response (cir) estimate | |
DE602004028544D1 (de) | Interferenzsignalerkennung und Kanalschätzung für drahtlose Kommunikationsnetze |