ATE350826T1 - Verfahren und vorrichtung zur effizienten berechnung von logarithmischen warscheinlichkeitsverhältnissen - Google Patents
Verfahren und vorrichtung zur effizienten berechnung von logarithmischen warscheinlichkeitsverhältnissenInfo
- Publication number
- ATE350826T1 ATE350826T1 AT02741053T AT02741053T ATE350826T1 AT E350826 T1 ATE350826 T1 AT E350826T1 AT 02741053 T AT02741053 T AT 02741053T AT 02741053 T AT02741053 T AT 02741053T AT E350826 T1 ATE350826 T1 AT E350826T1
- Authority
- AT
- Austria
- Prior art keywords
- efficient calculation
- logarithmic probability
- probability ratios
- log
- bit
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0047—Decoding adapted to other signal detection operation
- H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0064—Concatenated codes
- H04L1/0066—Parallel concatenated codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Error Detection And Correction (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measurement Of Radiation (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/904,355 US6993098B2 (en) | 2001-07-12 | 2001-07-12 | Method and apparatus for efficient calculating distance metric |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE350826T1 true ATE350826T1 (de) | 2007-01-15 |
Family
ID=25418997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02741053T ATE350826T1 (de) | 2001-07-12 | 2002-06-28 | Verfahren und vorrichtung zur effizienten berechnung von logarithmischen warscheinlichkeitsverhältnissen |
Country Status (8)
Country | Link |
---|---|
US (1) | US6993098B2 (de) |
EP (1) | EP1410551B1 (de) |
JP (1) | JP4023613B2 (de) |
KR (1) | KR100876473B1 (de) |
CN (1) | CN1326343C (de) |
AT (1) | ATE350826T1 (de) |
DE (1) | DE60217352T2 (de) |
WO (1) | WO2003007529A1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60006108T2 (de) * | 2000-08-04 | 2004-05-19 | Motorola, Inc., Schaumburg | Lineare Approximation des LOG-MAP Algorithmus für Turbodekodierung |
DE10247718A1 (de) * | 2002-10-12 | 2004-04-22 | Conti Temic Microelectronic Gmbh | Verfahren zur Ermittlung des Abstands zwischen einer ersten und zweiten Sende-Empfangs-Station |
DE10247719A1 (de) * | 2002-10-12 | 2004-04-22 | Conti Temic Microelectronic Gmbh | Verfahren zur Ermittlung des Abstands zwischen zwei Sende-Empfangs-Stationen und Sende-Empfangs-Stationen zur Durchführung des Verfahrens |
JP4452716B2 (ja) | 2003-06-23 | 2010-04-21 | ソ、ホン−ソク | 直交振幅変調の軟判定を用いた復調方法及び復調装置 |
GB2408901B (en) * | 2003-12-05 | 2006-07-12 | Motorola Inc | A decoder for a wireless communication device |
WO2006048597A2 (en) * | 2004-11-05 | 2006-05-11 | Icera, Inc. | Method and system for computing log-likelihood ratios for coded quadrature amplitude modulated signals |
KR100626654B1 (ko) * | 2005-06-16 | 2006-09-25 | 한국전자통신연구원 | 연판정 구복호 방법 |
TWI387274B (zh) * | 2005-12-07 | 2013-02-21 | Hong-Seok Seo | 使用軟性決策用於正交振幅調變之調解變方法及其裝置 |
KR100706618B1 (ko) | 2005-12-09 | 2007-04-12 | 한국전자통신연구원 | 반복 복호기를 위한 고차변조 방식에 적합한 연판정 디매핑방법 및 그를 이용한 오류 정정 장치 |
JP4907662B2 (ja) | 2006-08-22 | 2012-04-04 | パナソニック株式会社 | 信号分離装置および信号分離方法 |
US8023581B2 (en) * | 2006-09-19 | 2011-09-20 | Nec Laboratories America, Inc. | Max-log receiver for multiple-input multiple-output (MIMO) systems |
AU2007214342A1 (en) * | 2006-09-20 | 2008-04-03 | Nec Australia Pty Ltd | Demodulation method |
CN1921366B (zh) * | 2006-09-25 | 2010-07-21 | 华为技术有限公司 | 一种编码符号对数似然比的实现方法和装置 |
US8675771B2 (en) * | 2006-09-29 | 2014-03-18 | Nec Corporation | Log likelihood ratio arithmetic circuit, transmission apparatus, log likelihood ratio arithmetic method, and program |
KR100855019B1 (ko) * | 2006-12-28 | 2008-09-02 | 포스데이타 주식회사 | 연판정 정보 생성 시스템 및 방법 |
GB0805054D0 (en) | 2008-03-18 | 2008-04-16 | Cambridge Silicon Radio Ltd | Method and apparatus for performing log-likelihood calculations |
KR101341611B1 (ko) * | 2012-05-24 | 2013-12-13 | 성균관대학교산학협력단 | 최대 우도 판정 기반 복호 장치 및 방법, 및 무선 통신 시스템에서 최대 우도 판정을 기반으로 하는 수신 장치 및 방법 |
GB2499270B (en) * | 2012-06-07 | 2014-07-09 | Imagination Tech Ltd | Efficient demapping of constellations |
US10061043B2 (en) * | 2013-05-08 | 2018-08-28 | Koninklijke Philips N.V. | Apparatus and method for the evaluation of gamma radiation events |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5657354A (en) * | 1995-05-15 | 1997-08-12 | Thesling, Iii; William H. | Planar approximating method for computing the log-likelihood ratio optimal signal metric of each component code decoder in 8-PSK block coded modulation systems |
EP1085661B1 (de) * | 1999-09-14 | 2005-03-02 | Lucent Technologies Inc. | Kanaldekoder und Verfahren zur Kanaldekodierung |
US6594318B1 (en) | 1999-12-02 | 2003-07-15 | Qualcomm Incorporated | Method and apparatus for computing soft decision input metrics to a turbo decoder |
US6907084B2 (en) * | 2000-10-06 | 2005-06-14 | Texas Instruments Incorporated | Method and apparatus for processing modulation symbols for soft input decoders |
US6807238B1 (en) * | 2001-02-01 | 2004-10-19 | Lsi Logic Corporation | Method and apparatus for decoding M-PSK turbo code using new approximation technique |
GB2388756A (en) * | 2002-05-17 | 2003-11-19 | Hewlett Packard Co | Calculating an estimate of bit reliability in a OFDM receiver by multiplication of the channel state modulus |
-
2001
- 2001-07-12 US US09/904,355 patent/US6993098B2/en not_active Expired - Lifetime
-
2002
- 2002-06-28 AT AT02741053T patent/ATE350826T1/de not_active IP Right Cessation
- 2002-06-28 KR KR1020047000300A patent/KR100876473B1/ko active IP Right Grant
- 2002-06-28 WO PCT/IB2002/002600 patent/WO2003007529A1/en active IP Right Grant
- 2002-06-28 DE DE60217352T patent/DE60217352T2/de not_active Expired - Lifetime
- 2002-06-28 JP JP2003513171A patent/JP4023613B2/ja not_active Expired - Fee Related
- 2002-06-28 CN CNB028139461A patent/CN1326343C/zh not_active Expired - Lifetime
- 2002-06-28 EP EP02741053A patent/EP1410551B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1410551B1 (de) | 2007-01-03 |
JP2004522375A (ja) | 2004-07-22 |
DE60217352D1 (de) | 2007-02-15 |
DE60217352T2 (de) | 2007-10-25 |
KR20040016978A (ko) | 2004-02-25 |
US20030053566A1 (en) | 2003-03-20 |
EP1410551A1 (de) | 2004-04-21 |
US6993098B2 (en) | 2006-01-31 |
WO2003007529A1 (en) | 2003-01-23 |
KR100876473B1 (ko) | 2008-12-31 |
JP4023613B2 (ja) | 2007-12-19 |
CN1526215A (zh) | 2004-09-01 |
CN1326343C (zh) | 2007-07-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE350826T1 (de) | Verfahren und vorrichtung zur effizienten berechnung von logarithmischen warscheinlichkeitsverhältnissen | |
ATE489642T1 (de) | Verfahren und vorrichtung zur verarbeitung von satellitensignalen ohne tageszeitinformationen | |
ATE484758T1 (de) | Verfahren und vorrichtung zur zeitfreien verarbeitung von gps-signalen | |
DE60134865D1 (de) | Verfahren und gerät zur verarbeitung eines physischen kanals mit teil einer transportformatnachricht | |
DE60310043D1 (de) | Drahtloses kommunikationssystem mit adaptiver schwelle zur zeitsteuerungsabweichungsmessung und -verfahren | |
DE602004026754D1 (de) | Verfahren und Vorrichtung zur Signaldemodulation | |
ATE456252T1 (de) | Verfahren und vorrichtung zur verwaltung von klingeltönen in einem mobilgerät | |
DE602004014176D1 (de) | Verfahren und vorrichtung zur verwaltung von zeit in einem satellitenpositionsbestimmungssystem | |
ATE553545T1 (de) | Verfahren und vorrichtung zur zuweisung von fingern in einem drahtlosen übertragungssystem | |
ATE362288T1 (de) | Verfahren und anordnungen zur bestimmung der signalabdeckung | |
DE602004024395D1 (de) | Verfahren und vorrichtung zur brownout-erkennung des echtzeittakts (rtc) | |
ATE341005T1 (de) | Verfahren und vorrichtung zur durchführung einer signalkorrelation in mehreren auflösungen, zur mehrwegestörungsverminderung | |
DE50002399D1 (de) | Vorrichtung und verfahren zur zuordnung eines werkzeugs zu einem werkstück | |
DE602004013356D1 (de) | Verfahren und vorrichtung zur durchführung einer signalkorrelation unter verwendung vorgeschichtlicher korrelationsdaten | |
ATE435481T1 (de) | Verfahren und vorrichtung zur geräuschunterdrückung | |
FR2587137B1 (fr) | Systeme de reconnaissance de signal vocal | |
DE60141168D1 (de) | Verfahren und vorrichtungen zur verarbeitung von gps-signalen mit einem angepassten filter | |
DE60223422D1 (de) | Verfahren und Vorrichtung zur Bereitstellung von Taktinformation in einem drahtlosen Nachrichtenübertragungsnetzwerk | |
ATE333684T1 (de) | Verfahren zur positionsbenachrichtigung | |
ATE394838T1 (de) | Vorrichtung und verfahren zum bestimmen eines eintreffzeitpunktes einer empfangsfolge | |
ATE338330T1 (de) | Verfahren und vorrichtung zur zweiphasen- grundfrequenzdetektion | |
ATE444498T1 (de) | Vorrichtung und verfahren zur gewinnung von positionsinformationen | |
DE60234548D1 (de) | Verfahren und Vorrichtung zur Raum-Zeitschätzung von einem oder mehrerer Sendern | |
ATE297338T1 (de) | Verfahren zur erhöhung des störabstands bei zählpunkten eines achszählsystems | |
ATE525864T1 (de) | Verfahren und system zur tondetektion |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |