CN101019388B - 利用预存值的度量计算方法和装置 - Google Patents
利用预存值的度量计算方法和装置 Download PDFInfo
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- CN101019388B CN101019388B CN2005800305615A CN200580030561A CN101019388B CN 101019388 B CN101019388 B CN 101019388B CN 2005800305615 A CN2005800305615 A CN 2005800305615A CN 200580030561 A CN200580030561 A CN 200580030561A CN 101019388 B CN101019388 B CN 101019388B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03248—Arrangements for operating in conjunction with other apparatus
- H04L25/03292—Arrangements for operating in conjunction with other apparatus with channel estimation circuitry
-
- 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
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03184—Details concerning the metric
-
- 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
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03203—Trellis search techniques
- H04L25/03235—Trellis search techniques with state-reduction using feedback filtering
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Error Detection And Correction (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0420183.6A GB0420183D0 (en) | 2004-09-10 | 2004-09-10 | Metric calculation utilising pre-stored values |
GB0420183.6 | 2004-09-10 | ||
PCT/GB2005/003496 WO2006027611A1 (en) | 2004-09-10 | 2005-09-09 | Metrics calculations utilising pre-stored values |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101019388A CN101019388A (zh) | 2007-08-15 |
CN101019388B true CN101019388B (zh) | 2011-08-10 |
Family
ID=33186851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800305615A Expired - Fee Related CN101019388B (zh) | 2004-09-10 | 2005-09-09 | 利用预存值的度量计算方法和装置 |
Country Status (7)
Country | Link |
---|---|
US (2) | US8031792B2 (zh) |
EP (2) | EP2768192A3 (zh) |
KR (1) | KR101005577B1 (zh) |
CN (1) | CN101019388B (zh) |
GB (1) | GB0420183D0 (zh) |
TW (1) | TWI317578B (zh) |
WO (1) | WO2006027611A1 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0420183D0 (en) * | 2004-09-10 | 2004-10-13 | Ttp Communications Ltd | Metric calculation utilising pre-stored values |
US8315574B2 (en) | 2007-04-13 | 2012-11-20 | Broadcom Corporation | Management of variable-rate communication links |
US8001445B2 (en) | 2007-08-13 | 2011-08-16 | Provigent Ltd. | Protected communication link with improved protection indication |
US8040985B2 (en) * | 2007-10-09 | 2011-10-18 | Provigent Ltd | Decoding of forward error correction codes in the presence of phase noise |
CN101521556B (zh) * | 2008-02-28 | 2012-05-09 | 重庆无线绿洲通信技术有限公司 | 一种低复杂度的均衡方法 |
US8593203B2 (en) | 2008-07-29 | 2013-11-26 | Qualcomm Incorporated | High signal level compliant input/output circuits |
EP3069500B1 (en) | 2013-11-17 | 2021-01-06 | Ping Liang | Massive mimo multi-user beamforming and single channel full duplex for wireless networks |
EP3085180B1 (en) | 2013-12-20 | 2018-04-04 | Ping Liang | Method for acquiring channel state information in fdd mimo wireless networks |
CN107104708B (zh) | 2013-12-20 | 2020-11-10 | 射频数字信号处理公司 | 多输入多输出无线通信系统中的自适应预编码 |
US10230436B2 (en) | 2014-10-20 | 2019-03-12 | RF DSP Inc. | Methods for channel information acquisition, signal detection and transmission in multi-user wireless communication systems |
US10333561B2 (en) * | 2015-01-26 | 2019-06-25 | Northrop Grumman Systems Corporation | Iterative equalization using non-linear models in a soft-input soft-output trellis |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6658071B1 (en) * | 2000-02-14 | 2003-12-02 | Ericsson Inc. | Delayed decision feedback log-map equalizer |
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EP0396101B1 (en) * | 1989-05-02 | 1996-01-03 | Nec Corporation | Space diversity TDMA receiver |
US5263033A (en) * | 1990-06-22 | 1993-11-16 | At&T Bell Laboratories | Joint data and channel estimation using fast blind trellis search |
US5475713A (en) * | 1993-06-14 | 1995-12-12 | At&T Corp. | Shaped signal spaces in a simultaneous voice and data system |
DE19647653A1 (de) * | 1996-11-18 | 1998-05-20 | Philips Patentverwaltung | Digitales Übertragungssystem mit trellisbasiertem, zustandsreduziertem Schätzverfahren |
US6097753A (en) * | 1997-09-23 | 2000-08-01 | Paradyne Corporation | System and method for simultaneous voice and data with adaptive gain based on short term audio energy |
US6426972B1 (en) * | 1998-06-19 | 2002-07-30 | Nxtwave Communications | Reduced complexity equalizer for multi mode signaling |
US6381271B1 (en) | 1998-08-17 | 2002-04-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Low complexity decision feedback sequence estimation |
US6477200B1 (en) * | 1998-11-09 | 2002-11-05 | Broadcom Corporation | Multi-pair gigabit ethernet transceiver |
US6253345B1 (en) * | 1998-11-13 | 2001-06-26 | Broadcom Corporation | System and method for trellis decoding in a multi-pair transceiver system |
AU2213400A (en) * | 1998-12-24 | 2000-07-31 | Algorex, Inc. | Enhanced method for adaptive equalization technique in mobile wireless systems |
US7099410B1 (en) | 1999-01-26 | 2006-08-29 | Ericsson Inc. | Reduced complexity MLSE equalizer for M-ary modulated signals |
US6661837B1 (en) * | 1999-03-08 | 2003-12-09 | International Business Machines Corporation | Modems, methods, and computer program products for selecting an optimum data rate using error signals representing the difference between the output of an equalizer and the output of a slicer or detector |
US6381267B1 (en) * | 1999-03-08 | 2002-04-30 | International Business Machines Corporation | Modems, methods, and computer program products for falling back to a lower data rate protocol upon detecting abnormal line conditions during startup |
US6389064B1 (en) * | 1999-03-08 | 2002-05-14 | International Business Machines Corporation | Modems, methods, and computer program products for identifying a signaling alphabet in variance with an ideal alphabet due to digital impairments |
US7003030B2 (en) * | 1999-03-08 | 2006-02-21 | Lenovo (Singapore) Pte. Ltd. | Receivers, methods, and computer program products for an analog modem that receives data signals from a digital modem |
US6487243B1 (en) * | 1999-03-08 | 2002-11-26 | International Business Machines Corporation | Modems, methods, and computer program products for recovering from errors in a tone reversal sequence between two modems |
US6341360B1 (en) * | 1999-03-08 | 2002-01-22 | International Business Machines Corporation | Decision feedback equalizers, methods, and computer program products for detecting severe error events and preserving equalizer filter characteristics in response thereto |
US7277506B1 (en) * | 1999-08-09 | 2007-10-02 | Broadcom Corporation | Maximum likelihood sequence estimator which computes branch metrics in real time |
US6505222B1 (en) * | 1999-10-29 | 2003-01-07 | International Business Machines Corporation | Systems methods and computer program products for controlling undesirable bias in an equalizer |
US6792040B1 (en) * | 1999-10-29 | 2004-09-14 | International Business Machines Corporation | Modems having a dual power mode capability and methods of operating same |
US6901118B2 (en) * | 1999-12-23 | 2005-05-31 | Texas Instruments Incorporated | Enhanced viterbi decoder for wireless applications |
US6707849B1 (en) * | 2000-02-08 | 2004-03-16 | Ericsson Inc. | Methods, receivers and equalizers having increased computational efficiency |
US6744814B1 (en) * | 2000-03-31 | 2004-06-01 | Agere Systems Inc. | Method and apparatus for reduced state sequence estimation with tap-selectable decision-feedback |
DE60141982D1 (de) * | 2000-09-01 | 2010-06-10 | Broadcom Corp | Satellitenempfänger und entsprechendes verfahren |
US7000175B2 (en) * | 2000-11-03 | 2006-02-14 | Agere Systems Inc. | Method and apparatus for pipelined joint equalization and decoding for gigabit communications |
US7656959B2 (en) * | 2001-04-13 | 2010-02-02 | Agere Systems Inc. | Pipelined decision-feedback unit in a reduced-state viterbi detector with local feedback |
DE50203032D1 (de) * | 2001-11-09 | 2005-06-09 | Infineon Technologies Ag | Viterbi-entzerrung unter verwendung eines tabellenspeichers zur bereithaltung von rekonstruierten signalwerten für die berechnung von übergangsmetriken |
GB2392066B (en) | 2002-08-16 | 2005-11-09 | Toshiba Res Europ Ltd | Equaliser apparatus and methods |
GB2395404A (en) * | 2002-11-07 | 2004-05-19 | Ttpcomm Ltd | Format detection |
CN1303847C (zh) | 2003-01-10 | 2007-03-07 | 财团法人工业技术研究院 | 一种免用电池的无线麦克风装置与传输方法 |
US7787522B2 (en) * | 2003-04-11 | 2010-08-31 | Telefonaktiebolaget Lm Ericsson (Publ) | Joint multi-code detectors in CDMA communications system |
DE10351051A1 (de) * | 2003-10-31 | 2005-06-09 | Infineon Technologies Ag | Vertifikation der Antennengewichte der Basisstation in einem UMTS-Mobilfunkempfänger durch Verwendung des Viterbi-Algorithmus bei der rückgekoppelten Sendediversität |
US7372923B2 (en) * | 2003-12-19 | 2008-05-13 | Infineon Technologies Ag | Method for equalization of a payload signal, taking into account an interference source |
KR20050072629A (ko) * | 2004-01-07 | 2005-07-12 | 재단법인서울대학교산학협력재단 | 다중격자상 부호화된 차동 유니터리 시공간 변조 방법 |
CN1969469B (zh) * | 2004-06-18 | 2012-06-20 | 艾利森电话股份有限公司 | 用于共序列干扰检测及处理的方法和采用该方法的装置 |
GB0420183D0 (en) * | 2004-09-10 | 2004-10-13 | Ttp Communications Ltd | Metric calculation utilising pre-stored values |
US7464316B2 (en) * | 2005-08-26 | 2008-12-09 | Agere Systems Inc. | Modified branch metric calculator to reduce interleaver memory and improve performance in a fixed-point turbo decoder |
-
2004
- 2004-09-10 GB GBGB0420183.6A patent/GB0420183D0/en not_active Ceased
-
2005
- 2005-09-09 TW TW094131094A patent/TWI317578B/zh not_active IP Right Cessation
- 2005-09-09 EP EP14168315.1A patent/EP2768192A3/en not_active Withdrawn
- 2005-09-09 KR KR1020077008118A patent/KR101005577B1/ko active IP Right Grant
- 2005-09-09 US US11/662,301 patent/US8031792B2/en active Active - Reinstated
- 2005-09-09 EP EP05778483.7A patent/EP1794960B1/en not_active Not-in-force
- 2005-09-09 WO PCT/GB2005/003496 patent/WO2006027611A1/en active Application Filing
- 2005-09-09 CN CN2005800305615A patent/CN101019388B/zh not_active Expired - Fee Related
-
2011
- 2011-05-12 US US13/106,616 patent/US8385450B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6658071B1 (en) * | 2000-02-14 | 2003-12-02 | Ericsson Inc. | Delayed decision feedback log-map equalizer |
Also Published As
Publication number | Publication date |
---|---|
US8031792B2 (en) | 2011-10-04 |
TWI317578B (en) | 2009-11-21 |
US20080137779A1 (en) | 2008-06-12 |
WO2006027611A1 (en) | 2006-03-16 |
EP2768192A9 (en) | 2016-01-13 |
US8385450B2 (en) | 2013-02-26 |
EP2768192A3 (en) | 2015-06-03 |
GB0420183D0 (en) | 2004-10-13 |
KR101005577B1 (ko) | 2011-01-05 |
KR20070070172A (ko) | 2007-07-03 |
US20110211661A1 (en) | 2011-09-01 |
EP1794960A1 (en) | 2007-06-13 |
EP1794960B1 (en) | 2015-11-04 |
EP2768192A2 (en) | 2014-08-20 |
TW200618487A (en) | 2006-06-01 |
CN101019388A (zh) | 2007-08-15 |
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Effective date of registration: 20090327 Address after: Cayman Islands, Grand Cayman Applicant after: Cayman Morningstar Semiconductor Co-applicant after: MSTAR FRANCE S.A.S. Co-applicant after: Mstar Semiconductor,Inc. Co-applicant after: MSTAR SEMICONDUCTOR Inc. Address before: Cayman Islands Grand Cayman Applicant before: Cayman Morningstar Semiconductor Effective date of registration: 20090327 Address after: Cayman Islands Grand Cayman Applicant after: Cayman Morningstar Semiconductor Address before: Hertfordshire Applicant before: TTPCOM Ltd. |
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Owner name: KAIMAN CHENXING SEMICONDUCTOR CO., LTD. Free format text: FORMER OWNER: TTPCOM CO., LTD. Effective date: 20090327 |
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Effective date of registration: 20210104 Patentee after: MEDIATEK Inc. Patentee before: MEDIATEK Inc. Patentee before: Mstar Semiconductor,Inc. Effective date of registration: 20210104 Address after: No.1, Duhang 1st Road, Hsinchu City, Hsinchu Science Park, Taiwan, China Patentee after: MEDIATEK Inc. Patentee after: MSTAR FRANCE S.A.S. Patentee after: Mstar Semiconductor,Inc. Address before: No.1, Duhang 1st Road, Hsinchu City, Hsinchu Science Park, Taiwan, China Patentee before: MEDIATEK Inc. Patentee before: MSTAR FRANCE S.A.S. Patentee before: Mstar Semiconductor,Inc. Patentee before: MSTAR SEMICONDUCTOR Inc. Effective date of registration: 20210104 Address after: No.1, Duhang 1st Road, Hsinchu City, Hsinchu Science Park, Taiwan, China Patentee after: MEDIATEK Inc. Patentee after: MSTAR FRANCE S.A.S. Patentee after: Mstar Semiconductor,Inc. Patentee after: MSTAR SEMICONDUCTOR Inc. Address before: Greater Cayman, British Cayman Islands Patentee before: Cayman Morningstar Semiconductor Patentee before: MSTAR FRANCE S.A.S. Patentee before: Mstar Semiconductor,Inc. Patentee before: MSTAR SEMICONDUCTOR Inc. |
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