DE602004004256D1 - Gleichzeitige multikodeerfassung in einem cdma kommunikationssystem - Google Patents
Gleichzeitige multikodeerfassung in einem cdma kommunikationssystemInfo
- Publication number
- DE602004004256D1 DE602004004256D1 DE602004004256T DE602004004256T DE602004004256D1 DE 602004004256 D1 DE602004004256 D1 DE 602004004256D1 DE 602004004256 T DE602004004256 T DE 602004004256T DE 602004004256 T DE602004004256 T DE 602004004256T DE 602004004256 D1 DE602004004256 D1 DE 602004004256D1
- Authority
- DE
- Germany
- Prior art keywords
- multikode
- simultaneous
- detection
- communication system
- cdma communication
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 title 1
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
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7105—Joint detection techniques, e.g. linear detectors
-
- 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
- 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
- H04B1/709—Correlator structure
-
- 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
- H04L25/03171—Arrangements involving maximum a posteriori probability [MAP] detection
-
- 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
- H04L25/03331—Arrangements for the joint estimation of multiple sequences
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Error Detection And Correction (AREA)
- Noise Elimination (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/412,504 US7787522B2 (en) | 2003-04-11 | 2003-04-11 | Joint multi-code detectors in CDMA communications system |
US412504 | 2003-04-11 | ||
PCT/US2004/010561 WO2004093333A2 (en) | 2003-04-11 | 2004-04-06 | Joint multi-code detectors in cdma communications system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE602004004256D1 true DE602004004256D1 (de) | 2007-02-22 |
DE602004004256T2 DE602004004256T2 (de) | 2007-11-15 |
Family
ID=33131228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004004256T Expired - Lifetime DE602004004256T2 (de) | 2003-04-11 | 2004-04-06 | Gleichzeitige multikodeerfassung in einem cdma kommunikationssystem |
Country Status (6)
Country | Link |
---|---|
US (1) | US7787522B2 (de) |
EP (1) | EP1616393B1 (de) |
CN (1) | CN1771671B (de) |
DE (1) | DE602004004256T2 (de) |
ES (1) | ES2280983T3 (de) |
WO (1) | WO2004093333A2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3581357B2 (ja) * | 2002-05-22 | 2004-10-27 | 松下電器産業株式会社 | 通信端末装置及び拡散コード推定方法 |
JP3581356B2 (ja) * | 2002-05-22 | 2004-10-27 | 松下電器産業株式会社 | 通信端末装置及び拡散コード推定方法 |
US7558314B2 (en) * | 2002-09-23 | 2009-07-07 | Telefonaktiebolaget L M Ericsson (Publ) | Method and device for detection of a UMTS signal |
DE10323407B4 (de) * | 2003-05-23 | 2011-01-13 | Infineon Technologies Ag | Verfahren und Vorrichtung zum Entzerren eines über einen Nutzkanal übertragenen Signals nach dem DF-Verfahren unter Berücksichtigung eines Störkanals |
US7206363B2 (en) * | 2003-06-24 | 2007-04-17 | Intersymbol Communications, Inc. | Method and apparatus for delayed recursion decoder |
GB0420183D0 (en) * | 2004-09-10 | 2004-10-13 | Ttp Communications Ltd | Metric calculation utilising pre-stored values |
FI20055127A0 (fi) * | 2005-03-22 | 2005-03-22 | Nokia Corp | Data ilmaisu kommunikointijärjestelmässä |
CN100429874C (zh) * | 2005-07-01 | 2008-10-29 | 上海原动力通信科技有限公司 | 简化实现低扩频系数的联合检测的方法 |
CN100578954C (zh) * | 2006-05-10 | 2010-01-06 | 华为技术有限公司 | 接收多径信号的方法、计算各径加权值的装置及rake接收机 |
KR101325741B1 (ko) * | 2007-08-07 | 2013-11-08 | 한국과학기술원 | 네트워크 부호화 장치 및 방법 |
US8295330B2 (en) * | 2008-07-22 | 2012-10-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for communication signal processing based on mixed parametric and non-parametric estimation of impairment correlations |
EP2410687A3 (de) * | 2010-07-19 | 2013-07-10 | Qualcomm Incorporated | Verfahren zur geringen Modifizierung in einem drahtlosen Telekommunikationsnetzwerk |
US8483260B2 (en) * | 2010-09-29 | 2013-07-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Covariance factor matrix reuse |
TWI404346B (zh) | 2010-11-12 | 2013-08-01 | Ind Tech Res Inst | 分碼多工為基礎之多用戶偵測方法及系統及其電腦程式產品 |
US20160014726A1 (en) * | 2014-07-09 | 2016-01-14 | Qualcomm Incorporated | Apparatus and methods for joint channel estimation and non-linear symbol detection in td-scdma |
CN105356905B (zh) * | 2015-10-16 | 2017-09-29 | 上海磐启微电子有限公司 | 一种直接序列扩频码与1/k 码率卷积码混合编码方法 |
WO2019028868A1 (zh) * | 2017-08-11 | 2019-02-14 | 华为技术有限公司 | 信号传输方法及系统 |
CN110649932B (zh) * | 2019-09-12 | 2021-03-19 | 北京维普无限智能技术有限公司 | 一种无线信号接收器 |
CN110557818B (zh) * | 2019-09-12 | 2021-12-28 | 北京维普无限智能技术有限公司 | 一种无线信号接收设备控制功耗的方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI102797B1 (fi) | 1994-10-07 | 1999-02-15 | Nokia Telecommunications Oy | Signaalin ilmaisumenetelmä TDMA-matkaviestinjärjestelmän vastaanottimessa sekä menetelmän toteuttava vastaanotin |
US5724378A (en) * | 1994-12-13 | 1998-03-03 | Nit Mobile Communications Network, Inc. | CDMA multiuser receiver and method |
US6654365B1 (en) * | 1998-02-24 | 2003-11-25 | L-3 Communications Corporation | Reduced complexity trellis-based multiuser detector for CDMA |
US6301293B1 (en) | 1998-08-04 | 2001-10-09 | Agere Systems Guardian Corp. | Detectors for CDMA systems |
US6363104B1 (en) | 1998-10-02 | 2002-03-26 | Ericsson Inc. | Method and apparatus for interference cancellation in a rake receiver |
US6714585B1 (en) | 1999-06-25 | 2004-03-30 | Ericsson Inc. | Rake combining methods and apparatus using weighting factors derived from knowledge of spreading spectrum signal characteristics |
US6597743B1 (en) * | 1999-12-07 | 2003-07-22 | Ericsson Inc. | Reduced search symbol estimation algorithm |
GB0016663D0 (en) * | 2000-07-06 | 2000-08-23 | Nokia Networks Oy | Receiver and method of receiving |
US6829313B1 (en) * | 2000-07-17 | 2004-12-07 | Motorola, Inc. | Sliding window turbo decoder |
US7035317B2 (en) * | 2000-09-21 | 2006-04-25 | North Carolina State University | Single-user decoder metrics for subtractive interference cancellation detectors in code-division multiple-access (CDMA) communication systems with time dependence variance residual multiple-access interference (RMAI) |
CA2364986C (en) | 2000-12-22 | 2007-10-02 | Research In Motion Limited | Adaptive generalized matched filter rake receiver system and method |
US6975672B2 (en) | 2001-01-08 | 2005-12-13 | Ericsson Inc. | Apparatus and methods for intersymbol interference compensation in spread spectrum communications |
CN1194478C (zh) | 2001-07-19 | 2005-03-23 | 华为技术有限公司 | 无线接收机的一种多用户检测方法 |
US7058116B2 (en) * | 2002-01-25 | 2006-06-06 | Intel Corporation | Receiver architecture for CDMA receiver downlink |
-
2003
- 2003-04-11 US US10/412,504 patent/US7787522B2/en active Active
-
2004
- 2004-04-06 DE DE602004004256T patent/DE602004004256T2/de not_active Expired - Lifetime
- 2004-04-06 CN CN2004800094215A patent/CN1771671B/zh not_active Expired - Fee Related
- 2004-04-06 ES ES04749803T patent/ES2280983T3/es not_active Expired - Lifetime
- 2004-04-06 EP EP04749803A patent/EP1616393B1/de not_active Expired - Lifetime
- 2004-04-06 WO PCT/US2004/010561 patent/WO2004093333A2/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE602004004256T2 (de) | 2007-11-15 |
WO2004093333A3 (en) | 2004-12-02 |
CN1771671B (zh) | 2012-06-13 |
CN1771671A (zh) | 2006-05-10 |
ES2280983T3 (es) | 2007-09-16 |
US20040202231A1 (en) | 2004-10-14 |
WO2004093333A2 (en) | 2004-10-28 |
EP1616393A2 (de) | 2006-01-18 |
EP1616393B1 (de) | 2007-01-10 |
US7787522B2 (en) | 2010-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |