ATE339807T1 - Rake-empfänger mit individuellem fingerkompensator - Google Patents
Rake-empfänger mit individuellem fingerkompensatorInfo
- Publication number
- ATE339807T1 ATE339807T1 AT02781638T AT02781638T ATE339807T1 AT E339807 T1 ATE339807 T1 AT E339807T1 AT 02781638 T AT02781638 T AT 02781638T AT 02781638 T AT02781638 T AT 02781638T AT E339807 T1 ATE339807 T1 AT E339807T1
- Authority
- AT
- Austria
- Prior art keywords
- finger
- compensator
- fingers
- symbol signal
- signal
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 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
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
-
- 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
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
-
- 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
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0046—Open loops
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Burglar Alarm Systems (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Circuits Of Receivers In General (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02075027 | 2002-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE339807T1 true ATE339807T1 (de) | 2006-10-15 |
Family
ID=8185499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT02781638T ATE339807T1 (de) | 2002-01-07 | 2002-12-09 | Rake-empfänger mit individuellem fingerkompensator |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US7974331B2 (de) |
| EP (1) | EP1466421B1 (de) |
| JP (1) | JP4263101B2 (de) |
| KR (1) | KR101023376B1 (de) |
| CN (1) | CN1613195B (de) |
| AT (1) | ATE339807T1 (de) |
| AU (1) | AU2002348797A1 (de) |
| DE (1) | DE60214772T2 (de) |
| WO (1) | WO2003058839A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100548320B1 (ko) * | 2002-12-31 | 2006-02-02 | 엘지전자 주식회사 | 기지국 모뎀의 탐색자원 할당장치 및 방법 |
| US7437135B2 (en) | 2003-10-30 | 2008-10-14 | Interdigital Technology Corporation | Joint channel equalizer interference canceller advanced receiver |
| US7400692B2 (en) | 2004-01-14 | 2008-07-15 | Interdigital Technology Corporation | Telescoping window based equalization |
| KR100577541B1 (ko) | 2004-07-15 | 2006-05-10 | 삼성전자주식회사 | 레이크 수신기에서 트래픽 채널 신호 전송 검출 장치 및그 방법 |
| US20060209932A1 (en) * | 2005-03-18 | 2006-09-21 | Qualcomm Incorporated | Channel estimation for single-carrier systems |
| US7957453B2 (en) * | 2008-03-20 | 2011-06-07 | Raytheon Company | Method for operating a rake receiver |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6292519B1 (en) * | 1998-03-11 | 2001-09-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Correction of signal-to-interference ratio measurements |
| US6154443A (en) * | 1998-08-11 | 2000-11-28 | Industrial Technology Research Institute | FFT-based CDMA RAKE receiver system and method |
| US6289061B1 (en) * | 1998-09-24 | 2001-09-11 | Sharp Laboratories Of America, Inc. | Wideband frequency tracking system and method |
| US6373882B1 (en) * | 1998-11-06 | 2002-04-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Motion estimator for a CDMA mobile station |
| US6278725B1 (en) * | 1998-12-18 | 2001-08-21 | Philips Electronics North America Corporation | Automatic frequency control loop multipath combiner for a rake receiver |
| US6363102B1 (en) * | 1999-04-23 | 2002-03-26 | Qualcomm Incorporated | Method and apparatus for frequency offset correction |
| FI112831B (fi) * | 1999-04-28 | 2004-01-15 | Nokia Corp | Menetelmä kanavaestimaatin muodostamiseksi ja vastaanotin |
| US6608858B1 (en) * | 2000-01-26 | 2003-08-19 | Qualcomm Incorporated | Multipath doppler adjusted frequency tracking loop |
| JP4076202B2 (ja) * | 2000-08-07 | 2008-04-16 | 富士通株式会社 | スペクトラム拡散信号受信機及び受信方法 |
| US6647055B2 (en) * | 2000-08-31 | 2003-11-11 | Wen-Yi Kuo | Adaptive channel estimation using continuous pilot signal based on doppler period |
| JP3497480B2 (ja) * | 2000-09-04 | 2004-02-16 | 松下電器産業株式会社 | 位相回転検出装置及びそれを備えた無線基地局装置 |
| US6947475B2 (en) * | 2001-01-26 | 2005-09-20 | Qualcomm Inc. | Method and apparatus for estimating channel characteristics using pilot and non-pilot data |
| US6888878B2 (en) * | 2001-03-12 | 2005-05-03 | Motorola, Inc. | Signal combining within a communication system |
-
2002
- 2002-12-09 DE DE60214772T patent/DE60214772T2/de not_active Expired - Lifetime
- 2002-12-09 EP EP02781638A patent/EP1466421B1/de not_active Expired - Lifetime
- 2002-12-09 JP JP2003559039A patent/JP4263101B2/ja not_active Expired - Fee Related
- 2002-12-09 AU AU2002348797A patent/AU2002348797A1/en not_active Abandoned
- 2002-12-09 AT AT02781638T patent/ATE339807T1/de not_active IP Right Cessation
- 2002-12-09 CN CN02826813XA patent/CN1613195B/zh not_active Expired - Fee Related
- 2002-12-09 WO PCT/IB2002/005352 patent/WO2003058839A1/en not_active Ceased
- 2002-12-09 US US10/500,548 patent/US7974331B2/en not_active Expired - Fee Related
- 2002-12-09 KR KR1020047010576A patent/KR101023376B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003058839A1 (en) | 2003-07-17 |
| EP1466421A1 (de) | 2004-10-13 |
| DE60214772T2 (de) | 2007-09-06 |
| AU2002348797A1 (en) | 2003-07-24 |
| CN1613195B (zh) | 2010-05-26 |
| KR20040068612A (ko) | 2004-07-31 |
| CN1613195A (zh) | 2005-05-04 |
| EP1466421B1 (de) | 2006-09-13 |
| KR101023376B1 (ko) | 2011-03-18 |
| US20050078740A1 (en) | 2005-04-14 |
| JP2005514856A (ja) | 2005-05-19 |
| JP4263101B2 (ja) | 2009-05-13 |
| US7974331B2 (en) | 2011-07-05 |
| DE60214772D1 (de) | 2006-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE321379T1 (de) | Rake-empfänger | |
| AU2002224392A1 (en) | Multipath interference reduction for a cdma system | |
| WO2008069736A3 (en) | Multi-transmitter interference suppression using code-specific combining | |
| CN1093707C (zh) | 用于减少硬件成本和改善搜索性能的瑞克接收机 | |
| AU7056500A (en) | Apparatus and methods for receiving information using variable length accumulation searchers | |
| ATE339807T1 (de) | Rake-empfänger mit individuellem fingerkompensator | |
| US8724677B1 (en) | Architecture for ultra-wideband radio | |
| US20090141777A1 (en) | Station comprising a rake receiver | |
| TW200513050A (en) | Rake-based CDMA receivers for multiple receiver antennas | |
| EP0711473A1 (de) | Auflösung der mehrdeutigkeit in direktsequenz-spreizspektrummodulationssystemen | |
| GB2369275B (en) | A rake receiver and a method of providing a frequency error estimate | |
| JP2000244453A (ja) | 受信機 | |
| US20030231701A1 (en) | Spread spectrum receiver rake | |
| Berber et al. | Inherent diversity combining techniques to mitigate frequency selective fading in chaos-based DSSS systems | |
| Raj et al. | VLSI Implementation of Multicarrier Complementary coded CDMA downlink system | |
| US7471719B2 (en) | Correlator | |
| GB0526415D0 (en) | Detecting and correcting I/Q crosstalk in complex quadrature-modulated signals | |
| Mollin et al. | Quadratic non-residues and prime-producing polynomials | |
| RU2003113777A (ru) | Генератор сигнала уменьшенной амплитуды | |
| Tucker | Architecture for ultra-wideband radio | |
| WO2006050255A3 (en) | Power of two multiplication engine | |
| Kim et al. | Efficient real-time correlator for CDMA2000 searcher | |
| Ramesh et al. | Hierarchical Matched Filter Implementation on FPGA for WCDMA Systems | |
| UA25917U (en) | Digital self-compensator | |
| JPS6436232A (en) | Spread spectrum receiver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |