KR101393450B1 - 수신된 신호의 이퀄라이징을 위해 비-파일럿 채널들을 채용하는 수신기 - Google Patents
수신된 신호의 이퀄라이징을 위해 비-파일럿 채널들을 채용하는 수신기 Download PDFInfo
- Publication number
- KR101393450B1 KR101393450B1 KR1020087019804A KR20087019804A KR101393450B1 KR 101393450 B1 KR101393450 B1 KR 101393450B1 KR 1020087019804 A KR1020087019804 A KR 1020087019804A KR 20087019804 A KR20087019804 A KR 20087019804A KR 101393450 B1 KR101393450 B1 KR 101393450B1
- Authority
- KR
- South Korea
- Prior art keywords
- signals
- signal
- channel
- power
- received
- 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.)
- Expired - Fee Related
Links
Images
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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
- H04L25/03044—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure using fractionally spaced delay lines or combinations of fractionally integrally spaced taps
-
- 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
- H04B1/06—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
-
- 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
-
- 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
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03439—Fixed structures
- H04L2025/03445—Time domain
- H04L2025/03471—Tapped delay lines
- H04L2025/03509—Tapped delay lines fractionally spaced
-
- 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
- H04L2025/03592—Adaptation methods
- H04L2025/03598—Algorithms
- H04L2025/03611—Iterative algorithms
- H04L2025/03617—Time recursive algorithms
-
- 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
- H04L2025/03592—Adaptation methods
- H04L2025/03598—Algorithms
- H04L2025/03681—Control of adaptation
- H04L2025/03687—Control of adaptation of step size
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75851406P | 2006-01-12 | 2006-01-12 | |
| US60/758,514 | 2006-01-12 | ||
| PCT/US2007/000622 WO2007126446A2 (en) | 2006-01-12 | 2007-01-10 | Receiver employing non-pilot reference channels for equalizing a received signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20080087159A KR20080087159A (ko) | 2008-09-30 |
| KR101393450B1 true KR101393450B1 (ko) | 2014-05-13 |
Family
ID=38655955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020087019804A Expired - Fee Related KR101393450B1 (ko) | 2006-01-12 | 2007-01-10 | 수신된 신호의 이퀄라이징을 위해 비-파일럿 채널들을 채용하는 수신기 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US8098723B2 (enExample) |
| EP (1) | EP1980072A2 (enExample) |
| JP (1) | JP2009524285A (enExample) |
| KR (1) | KR101393450B1 (enExample) |
| AU (1) | AU2007243937B2 (enExample) |
| WO (1) | WO2007126446A2 (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7660568B2 (en) * | 2004-09-27 | 2010-02-09 | Alcatel-Lucent Usa Inc. | Method and apparatus for generating a channel estimate using a non-pilot portion of a signal |
| EP2571176B1 (en) * | 2005-09-06 | 2015-04-08 | Fujitsu Limited | Equalizer device and method |
| WO2007126446A2 (en) | 2006-01-12 | 2007-11-08 | Agere Systems Inc. | Receiver employing non-pilot reference channels for equalizing a received signal |
| EP2426986B1 (en) * | 2009-04-27 | 2014-06-25 | Huawei Technologies Co., Ltd. | Method and device for switching |
| US8315339B2 (en) * | 2009-05-05 | 2012-11-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Channel estimation |
| WO2011123017A1 (en) * | 2010-03-31 | 2011-10-06 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and devices for carrier activation/deactivation in a multi-carrier communication system |
| CN102025392A (zh) * | 2010-12-06 | 2011-04-20 | 意法·爱立信半导体(北京)有限公司 | 干扰消除方法和装置 |
| US9078179B2 (en) * | 2012-11-16 | 2015-07-07 | Qualcomm Incorporated | IRAT measurement reporting method in TD-SCDMA |
| US9237044B1 (en) * | 2013-05-17 | 2016-01-12 | Altera Corporation | Methods for joint optimization of link equalization |
| CN105099970B (zh) * | 2014-04-24 | 2018-08-14 | 富士通株式会社 | 自适应均衡器、自适应均衡方法以及接收机 |
| WO2020102824A2 (en) * | 2018-11-14 | 2020-05-22 | Skywave Networks Llc | Low-latency channel equalization using a secondary channel |
| CN110784424B (zh) * | 2019-11-04 | 2022-03-22 | 中国电子科技集团公司第五十四研究所 | 一种自适应传输链路智能联合均衡装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100260806B1 (ko) * | 1991-04-23 | 2000-07-01 | 요트.게.아. 롤페즈 | 이퀄라이저 |
| KR20030007941A (ko) * | 2001-04-10 | 2003-01-23 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 격자 코드화된 시스템들용 2 스테이지 등화기 |
| EP1372308A1 (en) * | 2002-06-11 | 2003-12-17 | Texas Instruments Incorporated | Method and apparatus for adaptive channel equalization using decision feedback |
| US20040127164A1 (en) | 2002-12-20 | 2004-07-01 | Texas Instruments Incorporated | Reconfigurable chip level equalizer architecture |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4021738A (en) * | 1976-03-01 | 1977-05-03 | Bell Telephone Laboratories, Incorporated | Adaptive equalizer with fast convergence properties |
| DE2945331C2 (de) * | 1979-11-09 | 1984-05-30 | Nixdorf Computer Ag, 4790 Paderborn | Vorrichtung in einer Signal-oder Datenverarbeitungsanlage zur Einstellung einer Signalverarbeitungsschaltung |
| FR2554996B1 (fr) * | 1983-11-14 | 1986-02-28 | Labo Electronique Physique | Procede et dispositif pour la determination de la position optimale du coefficient de reference d'un egaliseur adaptatif |
| JP2833609B2 (ja) * | 1991-09-12 | 1998-12-09 | 日本電気株式会社 | 判定帰還形自動等化器 |
| JP2770839B2 (ja) * | 1992-02-26 | 1998-07-02 | 日本電気株式会社 | 適応受信機 |
| JP2746107B2 (ja) * | 1994-03-31 | 1998-04-28 | 日本電気株式会社 | フィードフォワード増幅器 |
| DE19506324C1 (de) * | 1995-02-23 | 1995-10-12 | Siemens Ag | Adaptives Balancefilter |
| KR100224837B1 (ko) * | 1997-02-21 | 1999-10-15 | 윤종용 | 디지털 vcr의 적응적인 신호 처리방법 및 그 회로 |
| JP2000182330A (ja) * | 1998-12-16 | 2000-06-30 | Matsushita Electric Ind Co Ltd | 情報再生方法及び情報再生装置 |
| US7269212B1 (en) * | 2000-09-05 | 2007-09-11 | Rambus Inc. | Low-latency equalization in multi-level, multi-line communication systems |
| AU2001250925A1 (en) * | 2000-03-21 | 2001-10-03 | Telcordia Technologies, Inc. | Combined adaptive spatio-temporal processing and multi-user detection for cdma wireless systems |
| US7072392B2 (en) * | 2000-11-13 | 2006-07-04 | Micronas Semiconductors, Inc. | Equalizer for time domain signal processing |
| US7106792B2 (en) * | 2001-06-04 | 2006-09-12 | Qualcomm, Inc. | Method and apparatus for estimating the signal to interference-plus-noise ratio of a wireless channel |
| AU2002319784A1 (en) * | 2001-08-10 | 2003-02-24 | Adaptive Networks, Inc. | Digital equalization process and mechanism |
| US20030219113A1 (en) * | 2002-05-21 | 2003-11-27 | Bershad Neil J. | Echo canceller with double-talk and channel impulse response adaptation |
| US7167507B2 (en) * | 2002-07-01 | 2007-01-23 | Lucent Technologies Inc. | Equalizer and method for performing equalization in a wireless communications system |
| FR2860669B1 (fr) * | 2003-10-07 | 2005-12-02 | Inst Francais Du Petrole | Methode de restauration de donnees deformees suite a leur transmission sur un cable de transmission |
| US20050249274A1 (en) * | 2004-05-10 | 2005-11-10 | Larosa Christopher P | Linear filter equalizer |
| US7116705B2 (en) * | 2004-11-08 | 2006-10-03 | Interdigital Technology Corporation | Method and apparatus for reducing the processing rate of a chip-level equalization receiver |
| US7529297B2 (en) * | 2005-03-01 | 2009-05-05 | Broadcom Corporation | Equalizer training method using re-encoded bits and known training sequences |
| US7684481B2 (en) * | 2005-03-01 | 2010-03-23 | Broadcom Corporation | High speed data packet access minimum mean squared equalization with direct matrix inversion training |
| JP2007006264A (ja) * | 2005-06-24 | 2007-01-11 | Toshiba Corp | ダイバーシチ受信機 |
| WO2007126446A2 (en) | 2006-01-12 | 2007-11-08 | Agere Systems Inc. | Receiver employing non-pilot reference channels for equalizing a received signal |
| US20080063041A1 (en) * | 2006-09-08 | 2008-03-13 | Noam Galperin | Fast training equalization of a signal |
-
2007
- 2007-01-10 WO PCT/US2007/000622 patent/WO2007126446A2/en not_active Ceased
- 2007-01-10 JP JP2008550377A patent/JP2009524285A/ja active Pending
- 2007-01-10 EP EP07794310A patent/EP1980072A2/en not_active Withdrawn
- 2007-01-10 AU AU2007243937A patent/AU2007243937B2/en not_active Ceased
- 2007-01-10 US US12/158,388 patent/US8098723B2/en not_active Expired - Fee Related
- 2007-01-10 KR KR1020087019804A patent/KR101393450B1/ko not_active Expired - Fee Related
-
2011
- 2011-12-06 US US13/311,654 patent/US8462839B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100260806B1 (ko) * | 1991-04-23 | 2000-07-01 | 요트.게.아. 롤페즈 | 이퀄라이저 |
| KR20030007941A (ko) * | 2001-04-10 | 2003-01-23 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 격자 코드화된 시스템들용 2 스테이지 등화기 |
| EP1372308A1 (en) * | 2002-06-11 | 2003-12-17 | Texas Instruments Incorporated | Method and apparatus for adaptive channel equalization using decision feedback |
| US20040127164A1 (en) | 2002-12-20 | 2004-07-01 | Texas Instruments Incorporated | Reconfigurable chip level equalizer architecture |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2007243937A1 (en) | 2007-11-08 |
| WO2007126446A3 (en) | 2008-04-17 |
| AU2007243937B2 (en) | 2011-03-17 |
| KR20080087159A (ko) | 2008-09-30 |
| WO2007126446A2 (en) | 2007-11-08 |
| US20090080506A1 (en) | 2009-03-26 |
| EP1980072A2 (en) | 2008-10-15 |
| US8098723B2 (en) | 2012-01-17 |
| US8462839B2 (en) | 2013-06-11 |
| US20120076194A1 (en) | 2012-03-29 |
| JP2009524285A (ja) | 2009-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101393450B1 (ko) | 수신된 신호의 이퀄라이징을 위해 비-파일럿 채널들을 채용하는 수신기 | |
| US7693210B2 (en) | Hybrid rake/equalizer receiver for spread spectrum systems | |
| US6975672B2 (en) | Apparatus and methods for intersymbol interference compensation in spread spectrum communications | |
| US20090296798A1 (en) | Hsdpa co-processor for mobile terminals | |
| US6590932B1 (en) | Methods, receiver devices and systems for whitening a signal disturbance in a communication signal | |
| US9385895B2 (en) | Radio receiver in a wireless communications system | |
| US8189653B2 (en) | Radio receiver in a wireless communications system | |
| US20110038407A1 (en) | Equalizer receiver in a mobile communication system and method therefor | |
| JP4940401B2 (ja) | シンボル−レベル適応方法およびこの方法を実施するためのメモリ、等化器、受信器 | |
| US20080075159A1 (en) | Receiver having multiple stages of equalization with tap coefficient copying | |
| JP2005518152A (ja) | 通信システムのチャンネルを介して送信される信号を等化するための方法およびシステム | |
| US6856646B2 (en) | T-spaced equalization for 1xEV systems | |
| US8462756B2 (en) | Symbol-level adaptation method for equalizer coefficients, memory, equalizer and receiver for implementing the method | |
| KR100993183B1 (ko) | 확산 스펙트럼 시스템을 위한 하이브리드 레이크/등화기 수신기 | |
| Afkhamie et al. | Interior point least squares estimation: transient convergence analysis and application to MMSE decision-feedback equalization | |
| Jitsukawa et al. | Single-user receiver based on orthogonalizing matched filter using multi-dimensional lattice filters for DS/CDMA | |
| WO2003071679A1 (en) | Adaptive filtering with dc bias compensation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
St.27 status event code: A-0-1-A10-A15-nap-PA0105 |
|
| E13-X000 | Pre-grant limitation requested |
St.27 status event code: A-2-3-E10-E13-lim-X000 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| A201 | Request for examination | ||
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-3-3-R10-R13-asn-PN2301 St.27 status event code: A-3-3-R10-R11-asn-PN2301 |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
| T11-X000 | Administrative time limit extension requested |
St.27 status event code: U-3-3-T10-T11-oth-X000 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U12-oth-PR1002 Fee payment year number: 1 |
|
| PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-5-5-R10-R17-oth-X000 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R14-asn-PN2301 |
|
| LAPS | Lapse due to unpaid annual fee | ||
| PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 20170503 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20170503 |