CN1247653A - 用于多路接收信道联合同步的方法和设备 - Google Patents
用于多路接收信道联合同步的方法和设备 Download PDFInfo
- Publication number
- CN1247653A CN1247653A CN97181898.3A CN97181898A CN1247653A CN 1247653 A CN1247653 A CN 1247653A CN 97181898 A CN97181898 A CN 97181898A CN 1247653 A CN1247653 A CN 1247653A
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- CN
- China
- Prior art keywords
- signal
- metric
- channel
- demodulator
- signals
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- 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.)
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Classifications
-
- 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
- H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Noise Elimination (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/773,560 US6335954B1 (en) | 1996-12-27 | 1996-12-27 | Method and apparatus for joint synchronization of multiple receive channels |
| US08/773,560 | 1996-12-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1247653A true CN1247653A (zh) | 2000-03-15 |
| CN1328857C CN1328857C (zh) | 2007-07-25 |
Family
ID=25098658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB971818983A Expired - Fee Related CN1328857C (zh) | 1996-12-27 | 1997-12-08 | 用于多路接收信道联合同步的方法和设备 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6335954B1 (zh) |
| EP (1) | EP0951758B1 (zh) |
| JP (1) | JP4138014B2 (zh) |
| CN (1) | CN1328857C (zh) |
| AU (1) | AU7998798A (zh) |
| BR (1) | BR9714098A (zh) |
| CA (1) | CA2276136A1 (zh) |
| DE (1) | DE69733770T2 (zh) |
| TW (1) | TW358280B (zh) |
| WO (1) | WO1998032243A1 (zh) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317612C (zh) * | 2001-07-26 | 2007-05-23 | 株式会社东芝 | 安装无线电天线的电子设备和方法 |
| CN101213762A (zh) * | 2005-06-10 | 2008-07-02 | 艾利森电话股份有限公司 | 无线通信接收器中的减损相关估算的方法和装置 |
| CN100555906C (zh) * | 2003-12-19 | 2009-10-28 | 艾利森电话股份有限公司 | 基于mimo的通信系统中的方法和设备 |
| CN101843061B (zh) * | 2007-11-01 | 2012-12-19 | Nxp股份有限公司 | 区分实际回波峰与混叠回波峰的方法 |
| CN101128996B (zh) * | 2005-02-22 | 2014-12-31 | 塔莱斯公司 | 用于在存在干扰时对直线或准直线链接进行同步的方法和装置 |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2759514B1 (fr) * | 1997-02-10 | 1999-03-05 | Alsthom Cge Alcatel | Dispositif et procede numeriques de filtrage, decimation et transposition en bande de base repartie, et demodulateur numerique correspondant |
| US6185258B1 (en) * | 1997-09-16 | 2001-02-06 | At&T Wireless Services Inc. | Transmitter diversity technique for wireless communications |
| WO1999023766A2 (en) | 1997-10-31 | 1999-05-14 | At & T Wireless Services, Inc. | Maximum likelihood detection of concatenated space-time codes for wireless applications with transmitter diversity |
| JP3728116B2 (ja) * | 1998-06-02 | 2005-12-21 | キヤノン株式会社 | 通信方法及び装置 |
| US6574293B1 (en) | 1998-10-28 | 2003-06-03 | Ericsson Inc. | Receivers and methods for reducing interference in radio communications |
| DE19901877B4 (de) * | 1999-01-19 | 2005-10-13 | Siemens Ag | Verfahren zum Gewinnen von Informationen über Störungen im Empfänger eines Nachrichtenübertragungssystems |
| US6115406A (en) * | 1999-09-10 | 2000-09-05 | Interdigital Technology Corporation | Transmission using an antenna array in a CDMA communication system |
| US6278726B1 (en) * | 1999-09-10 | 2001-08-21 | Interdigital Technology Corporation | Interference cancellation in a spread spectrum communication system |
| DE60039620D1 (de) * | 1999-11-08 | 2008-09-04 | Sanyo Electric Co | Funkempfangssystem sowie Verfahren zur Erfassung von Synchronisierung |
| US7010073B2 (en) * | 2001-01-19 | 2006-03-07 | Qualcomm, Incorporated | Delay lock loops for wireless communication systems |
| US6961397B2 (en) * | 2001-07-12 | 2005-11-01 | Lucent Technologies Inc. | Symbol synchronizer for impulse noise channels |
| AU2002300531B2 (en) * | 2001-08-15 | 2007-01-18 | Raytheon Company | Combining signal images in accordance with signal-to-noise ratios |
| WO2003069375A2 (en) * | 2002-02-13 | 2003-08-21 | Vaisala, Inc. | Lightning detection and data acquisition system |
| KR100571862B1 (ko) * | 2003-02-17 | 2006-04-17 | 삼성전자주식회사 | 다중 안테나를 포함하는 이동통신 시스템 및 그 방법 |
| FR2854290B1 (fr) * | 2003-04-25 | 2005-08-26 | Thales Sa | Procede de demodulation de signaux de type ofdm en presence de signaux brouilleurs co-canaux forts |
| KR101051213B1 (ko) * | 2003-05-05 | 2011-07-21 | 톰슨 라이센싱 | 계층적 변조 시스템에서 디코딩을 위한 장치 및 방법 |
| US7437135B2 (en) * | 2003-10-30 | 2008-10-14 | Interdigital Technology Corporation | Joint channel equalizer interference canceller advanced receiver |
| US7599702B2 (en) * | 2003-12-23 | 2009-10-06 | Telefonaktiebolaget Lm Ericsson (Publ) | SIR estimates for non-scheduled mobile terminals |
| US7400692B2 (en) * | 2004-01-14 | 2008-07-15 | Interdigital Technology Corporation | Telescoping window based equalization |
| US7924909B2 (en) * | 2004-06-02 | 2011-04-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for interference cancellation in wireless receivers |
| US7532664B2 (en) * | 2004-08-02 | 2009-05-12 | Nokia Corporation | Method and apparatus to estimate signal to interference plus noise ratio (SINR) in a multiple antenna receiver |
| US7801257B2 (en) * | 2005-09-28 | 2010-09-21 | Genesis Microchip Inc | Adaptive reception techniques for over-sampled receivers |
| US8310944B2 (en) * | 2005-10-17 | 2012-11-13 | St-Ericsson Sa | Signal-to-interference + noise ratio estimator and method, mobile terminal having this estimator |
| US7536621B2 (en) * | 2006-12-08 | 2009-05-19 | Teradyne, Inc. | Quantized data-dependent jitter injection using discrete samples |
| JP5353890B2 (ja) * | 2008-02-01 | 2013-11-27 | 日本電気株式会社 | Mimo−ofdm通信システムにおけるチャネル状態の推定 |
| US8553814B2 (en) * | 2009-07-31 | 2013-10-08 | Lsi Corporation | Rapid sampling phase recovery |
| FR2969426B1 (fr) * | 2010-12-15 | 2013-08-30 | St Microelectronics Sa | Circuit de dephasage |
| JP2012156668A (ja) * | 2011-01-25 | 2012-08-16 | Kyocera Corp | 通信装置および通信方法 |
| US8781008B2 (en) | 2012-06-20 | 2014-07-15 | MagnaCom Ltd. | Highly-spectrally-efficient transmission using orthogonal frequency division multiplexing |
| US8982984B2 (en) | 2012-06-20 | 2015-03-17 | MagnaCom Ltd. | Dynamic filter adjustment for highly-spectrally-efficient communications |
| US8559496B1 (en) | 2012-06-20 | 2013-10-15 | MagnaCom Ltd. | Signal reception using non-linearity-compensated, partial response feedback |
| CN104769875B (zh) | 2012-06-20 | 2018-07-06 | 安华高科技通用Ip(新加坡)公司 | 采用正交频分复用的高频谱效率传输 |
| US8811548B2 (en) | 2012-11-14 | 2014-08-19 | MagnaCom, Ltd. | Hypotheses generation based on multidimensional slicing |
| US9088400B2 (en) | 2012-11-14 | 2015-07-21 | MagnaCom Ltd. | Hypotheses generation based on multidimensional slicing |
| US9118519B2 (en) | 2013-11-01 | 2015-08-25 | MagnaCom Ltd. | Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator |
| US8804879B1 (en) | 2013-11-13 | 2014-08-12 | MagnaCom Ltd. | Hypotheses generation based on multidimensional slicing |
| US9130637B2 (en) | 2014-01-21 | 2015-09-08 | MagnaCom Ltd. | Communication methods and systems for nonlinear multi-user environments |
| US9496900B2 (en) | 2014-05-06 | 2016-11-15 | MagnaCom Ltd. | Signal acquisition in a multimode environment |
| US8891701B1 (en) | 2014-06-06 | 2014-11-18 | MagnaCom Ltd. | Nonlinearity compensation for reception of OFDM signals |
| US9246523B1 (en) | 2014-08-27 | 2016-01-26 | MagnaCom Ltd. | Transmitter signal shaping |
| US9276619B1 (en) | 2014-12-08 | 2016-03-01 | MagnaCom Ltd. | Dynamic configuration of modulation and demodulation |
| US9191247B1 (en) | 2014-12-09 | 2015-11-17 | MagnaCom Ltd. | High-performance sequence estimation system and method of operation |
| US9948435B2 (en) * | 2015-07-20 | 2018-04-17 | Multiphy Ltd. | Seamless match point switching in MLSE-based modems |
| WO2021054890A1 (en) * | 2019-09-20 | 2021-03-25 | Agency For Science, Technology And Research | Receiver for processing multi-channel signals received in a vhf data exchange system and method thereof |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2037824C (en) | 1990-03-20 | 1999-11-09 | Hiroshi Kubo | Diversity circuit and frame phase (or sampling timing) estimation circuit using the diversity circuit |
| JP2683665B2 (ja) | 1991-11-27 | 1997-12-03 | 日本電気株式会社 | 最尤系列推定装置 |
| US5406588A (en) | 1993-05-28 | 1995-04-11 | Motorola, Inc. | Method and apparatus for mitigating distortion effects in the determination of signal usability |
| US5363376A (en) | 1993-07-30 | 1994-11-08 | Bell Communications Research, Inc. | Method and apparatus for synchronizing timing among radio ports in wireless communications systems |
| US5406593A (en) | 1993-08-20 | 1995-04-11 | General Electric Company | Adaptive phase-locked loop employing channel state information estimation from received signal phase angles |
| US5351274A (en) | 1993-08-20 | 1994-09-27 | General Electric Company | Post detection selection combining diversity receivers for mobile and indoor radio channels |
| FR2715488B1 (fr) | 1994-01-21 | 1996-03-22 | Thomson Csf | Procédé et dispositif permettant à un modem de se synchroniser sur un transmetteur de données numériques par voie hertzienne en présence de brouilleurs. |
| FR2716761B1 (fr) | 1994-02-25 | 1996-03-22 | Thomson Csf | Procédé permettant une égalisation multivoie dans un récepteur radioélectrique en présence d'interférences et de multitrajets de propagation. |
| FR2735635B1 (fr) | 1994-03-04 | 1998-08-14 | Thomson Csf | Procede permettant une egalisation multicapteur dans un recepteur radioelectrique, en presence d'interferences et de multitrajets de propagation |
| JP2938337B2 (ja) * | 1994-03-09 | 1999-08-23 | 三菱電機株式会社 | スペクトル拡散通信用データ復調回路 |
| US5499272A (en) * | 1994-05-31 | 1996-03-12 | Ericsson Ge Mobile Communications Inc. | Diversity receiver for signals with multipath time dispersion |
| US5481572A (en) * | 1994-08-02 | 1996-01-02 | Ericsson Inc. | Method of and apparatus for reducing the complexitiy of a diversity combining and sequence estimation receiver |
| US5621770A (en) | 1994-08-31 | 1997-04-15 | Motorola, Inc. | Method and system for processing first and second digital signal versions of a signal in a diversity receiver |
| US5517535A (en) * | 1994-10-13 | 1996-05-14 | Westinghouse Electric Corp. | Numerically controlled oscillator with complex exponential outputs using recursion technique |
| JP2689926B2 (ja) | 1994-12-05 | 1997-12-10 | 日本電気株式会社 | ダイバーシティ受信機 |
| FR2732490B1 (fr) | 1995-03-28 | 1997-04-25 | Thomson Csf | Procede de reception multicapteur d'une station de base d'un reseau de communication echangeant des donnees avec des mobiles, et dispositif pour sa mise en oeuvre |
| US5687197A (en) * | 1995-07-07 | 1997-11-11 | Motorola, Inc. | Method and apparatus for detecting data symbols in a diversity communication system |
| US5636208A (en) * | 1996-04-12 | 1997-06-03 | Bell Communications Research, Inc. | Technique for jointly performing bit synchronization and error detection in a TDM/TDMA system |
| CA2180924C (en) * | 1996-07-10 | 2003-04-08 | Nortel Networks Limited | Diversity path co-channel interference reduction |
| US5878093A (en) * | 1996-12-16 | 1999-03-02 | Ericsson Inc. | Interference rejection combining with frequency correction |
-
1996
- 1996-12-27 US US08/773,560 patent/US6335954B1/en not_active Expired - Lifetime
-
1997
- 1997-12-08 WO PCT/US1997/022042 patent/WO1998032243A1/en not_active Ceased
- 1997-12-08 CN CNB971818983A patent/CN1328857C/zh not_active Expired - Fee Related
- 1997-12-08 BR BR9714098A patent/BR9714098A/pt not_active IP Right Cessation
- 1997-12-08 JP JP53434298A patent/JP4138014B2/ja not_active Expired - Fee Related
- 1997-12-08 AU AU79987/98A patent/AU7998798A/en not_active Abandoned
- 1997-12-08 EP EP97949719A patent/EP0951758B1/en not_active Expired - Lifetime
- 1997-12-08 DE DE69733770T patent/DE69733770T2/de not_active Expired - Lifetime
- 1997-12-08 CA CA002276136A patent/CA2276136A1/en not_active Abandoned
- 1997-12-17 TW TW086119072A patent/TW358280B/zh active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317612C (zh) * | 2001-07-26 | 2007-05-23 | 株式会社东芝 | 安装无线电天线的电子设备和方法 |
| CN100555906C (zh) * | 2003-12-19 | 2009-10-28 | 艾利森电话股份有限公司 | 基于mimo的通信系统中的方法和设备 |
| CN101128996B (zh) * | 2005-02-22 | 2014-12-31 | 塔莱斯公司 | 用于在存在干扰时对直线或准直线链接进行同步的方法和装置 |
| CN101213762A (zh) * | 2005-06-10 | 2008-07-02 | 艾利森电话股份有限公司 | 无线通信接收器中的减损相关估算的方法和装置 |
| CN101213762B (zh) * | 2005-06-10 | 2013-02-06 | 艾利森电话股份有限公司 | 无线通信接收器中的减损相关估算的方法和装置 |
| CN101843061B (zh) * | 2007-11-01 | 2012-12-19 | Nxp股份有限公司 | 区分实际回波峰与混叠回波峰的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0951758B1 (en) | 2005-07-20 |
| DE69733770D1 (de) | 2005-08-25 |
| WO1998032243A1 (en) | 1998-07-23 |
| AU7998798A (en) | 1998-08-07 |
| US6335954B1 (en) | 2002-01-01 |
| TW358280B (en) | 1999-05-11 |
| EP0951758A1 (en) | 1999-10-27 |
| DE69733770T2 (de) | 2005-12-29 |
| JP2001508266A (ja) | 2001-06-19 |
| BR9714098A (pt) | 2000-03-21 |
| CA2276136A1 (en) | 1998-07-23 |
| CN1328857C (zh) | 2007-07-25 |
| JP4138014B2 (ja) | 2008-08-20 |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CLUSTER CO., LTD. Free format text: FORMER OWNER: ERICSSON CO. Effective date: 20130704 Owner name: UNWIRED PLANET INC. Free format text: FORMER OWNER: CLUSTER CO., LTD. Effective date: 20130704 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130704 Address after: Nevada Patentee after: Wireless Planet LLC Address before: Delaware Patentee before: Clastres LLC Effective date of registration: 20130704 Address after: Delaware Patentee after: Clastres LLC Address before: North Carolina USA Patentee before: ERICSSON Inc. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070725 Termination date: 20161208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |