ATE465583T1 - Verfahren und vorrichtung zur signaldemodulation - Google Patents
Verfahren und vorrichtung zur signaldemodulationInfo
- Publication number
- ATE465583T1 ATE465583T1 AT04756710T AT04756710T ATE465583T1 AT E465583 T1 ATE465583 T1 AT E465583T1 AT 04756710 T AT04756710 T AT 04756710T AT 04756710 T AT04756710 T AT 04756710T AT E465583 T1 ATE465583 T1 AT E465583T1
- Authority
- AT
- Austria
- Prior art keywords
- amplitude
- received
- signal
- data signal
- data
- 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
-
- 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
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
-
- 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
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/38—Demodulator circuits; Receiver circuits
- H04L27/3809—Amplitude regulation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/7097—Direct sequence modulation interference
- H04B2201/709727—GRAKE type RAKE receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Circuits Of Receivers In General (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/672,492 US7269205B2 (en) | 2003-09-26 | 2003-09-26 | Method and apparatus for signal demodulation |
PCT/US2004/021686 WO2005036849A1 (en) | 2003-09-26 | 2004-07-06 | Method and apparatus for signal demodulation |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE465583T1 true ATE465583T1 (de) | 2010-05-15 |
Family
ID=34435349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04756710T ATE465583T1 (de) | 2003-09-26 | 2004-07-06 | Verfahren und vorrichtung zur signaldemodulation |
Country Status (7)
Country | Link |
---|---|
US (1) | US7269205B2 (de) |
EP (1) | EP1671462B1 (de) |
KR (1) | KR101063046B1 (de) |
CN (1) | CN101027886B (de) |
AT (1) | ATE465583T1 (de) |
DE (1) | DE602004026754D1 (de) |
WO (1) | WO2005036849A1 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7269205B2 (en) | 2003-09-26 | 2007-09-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for signal demodulation |
US7668226B2 (en) * | 2005-02-23 | 2010-02-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for estimating gain offsets for amplitude-modulated communication signals |
US7389099B2 (en) | 2005-04-22 | 2008-06-17 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for canceling interference from high power, high data rate signals |
US7486716B2 (en) * | 2005-06-22 | 2009-02-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for using chip sample correlations in one or more received signal processing operations |
US7609754B2 (en) * | 2005-08-30 | 2009-10-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for received communication signal processing |
US7590167B2 (en) * | 2005-08-30 | 2009-09-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for QAM demodulation in a generalized rake receiver |
US7933314B2 (en) * | 2006-06-22 | 2011-04-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for communication receiver despreading resource management |
US8126098B2 (en) | 2006-09-12 | 2012-02-28 | Marvell World Trade Ltd. | Multi-rake receiver |
US8358987B2 (en) * | 2006-09-28 | 2013-01-22 | Mediatek Inc. | Re-quantization in downlink receiver bit rate processor |
KR100969781B1 (ko) * | 2007-01-31 | 2010-07-13 | 삼성전자주식회사 | 통신 시스템에서 가중치 계수 결정 방법 및 장치 |
US8467476B2 (en) * | 2007-09-17 | 2013-06-18 | Mediatek Inc. | Scaling apparatus of a receiver |
CN105610751B (zh) | 2007-12-19 | 2019-07-23 | 福尔肯纳米有限公司 | 用于提高通信速度、频谱效率并实现其他益处的公共波形和边带抑制通信系统和方法 |
US8149929B2 (en) * | 2008-06-17 | 2012-04-03 | Telefonaktiebolaget L M Ericsson (Publ) | Receiver and method for processing radio signals using soft pilot symbols |
US20090316674A1 (en) * | 2008-06-18 | 2009-12-24 | Yi-Pin Eric Wang | Method and apparatus for demodulation of qam signal using symbol-specific amplitude reference estimation |
CN102111860B (zh) * | 2009-12-25 | 2013-08-14 | 电信科学技术研究院 | 一种信道的功率控制方法及设备 |
US20120071108A1 (en) * | 2010-09-20 | 2012-03-22 | Mediatek Inc. | Radio Frequency Signal Control Module and Radio Frequency Signal Controlling Method |
WO2012103934A1 (en) * | 2011-02-01 | 2012-08-09 | Telefonaktiebolaget L M Ericsson (Publ) | Configuration of wireless receiver |
JP2013115542A (ja) * | 2011-11-28 | 2013-06-10 | Toshiba Corp | スケーリング決定装置及び方法 |
US10037522B2 (en) * | 2012-01-17 | 2018-07-31 | Raytheon Bbn Technologies Corp. | Near-field communication (NFC) system and method for private near-field communication |
US9661508B2 (en) * | 2012-05-14 | 2017-05-23 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and apparatus for determining a signal estimate by scaling |
EP2865122A4 (de) | 2012-06-20 | 2016-01-06 | Magnacom Ltd | In hohem masse spektrumseffiziente übertragung mittels ofdm |
US8744003B2 (en) | 2012-06-20 | 2014-06-03 | MagnaCom Ltd. | Multi-mode transmitter for highly-spectrally-efficient communications |
US8982984B2 (en) * | 2012-06-20 | 2015-03-17 | MagnaCom Ltd. | Dynamic filter adjustment for highly-spectrally-efficient communications |
US8781008B2 (en) | 2012-06-20 | 2014-07-15 | MagnaCom Ltd. | Highly-spectrally-efficient transmission using orthogonal frequency division multiplexing |
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 |
KR102356963B1 (ko) * | 2013-01-11 | 2022-02-08 | 선 페이턴트 트러스트 | 데이터 처리방법, 프리코딩 방법, 통신장치 |
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 |
CN110505359B (zh) * | 2018-05-18 | 2020-10-23 | 中国科学院上海高等研究院 | 无线广播通信系统中非均匀调制解调方法、系统、介质及终端 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5381450A (en) | 1993-08-20 | 1995-01-10 | Hitachi America, Ltd. | Technique for automatically detecting the constellation size of a quadrature amplitude modulated (QAM) signal |
US5506861A (en) * | 1993-11-22 | 1996-04-09 | Ericsson Ge Mobile Comminications Inc. | System and method for joint demodulation of CDMA signals |
US6108375A (en) | 1997-07-15 | 2000-08-22 | Lucent Technologies Inc. | Equalization circuit for unknown QAM constellation size |
JP3522651B2 (ja) | 2000-05-19 | 2004-04-26 | 松下電器産業株式会社 | 通信端末装置及び復調方法 |
US20020118006A1 (en) | 2000-06-02 | 2002-08-29 | Enam Syed K. | Phase frequency detector |
US6952561B1 (en) * | 2000-08-31 | 2005-10-04 | Lucent Technologies Inc. | Enhanced metric for bit detection on fading channels with unknown statistics |
US7480342B2 (en) * | 2002-03-07 | 2009-01-20 | Telefonaktiebolaget L M Ericsson (Publ) | Soft value calculation for multilevel signals |
AU2003273979A1 (en) * | 2002-11-22 | 2004-06-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Calculation of soft decision values using reliability information of the amplitude |
US7555067B2 (en) * | 2003-03-13 | 2009-06-30 | Texas Instruments Incorporated | Method and apparatus for decoder input scaling based on interference estimation in CDMA |
US7269205B2 (en) | 2003-09-26 | 2007-09-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for signal demodulation |
-
2003
- 2003-09-26 US US10/672,492 patent/US7269205B2/en active Active
-
2004
- 2004-07-06 KR KR1020067005932A patent/KR101063046B1/ko active IP Right Grant
- 2004-07-06 WO PCT/US2004/021686 patent/WO2005036849A1/en active Search and Examination
- 2004-07-06 CN CN2004800277894A patent/CN101027886B/zh not_active Expired - Fee Related
- 2004-07-06 EP EP04756710A patent/EP1671462B1/de not_active Expired - Lifetime
- 2004-07-06 AT AT04756710T patent/ATE465583T1/de not_active IP Right Cessation
- 2004-07-06 DE DE602004026754T patent/DE602004026754D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20050163199A1 (en) | 2005-07-28 |
US7269205B2 (en) | 2007-09-11 |
KR20060097716A (ko) | 2006-09-14 |
CN101027886B (zh) | 2012-01-11 |
CN101027886A (zh) | 2007-08-29 |
WO2005036849A1 (en) | 2005-04-21 |
KR101063046B1 (ko) | 2011-09-07 |
EP1671462B1 (de) | 2010-04-21 |
EP1671462A1 (de) | 2006-06-21 |
DE602004026754D1 (de) | 2010-06-02 |
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Legal Events
Date | Code | Title | Description |
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |