JP4128335B2 - 多経路フェージングチャネルに対する遅延拡散推定方法 - Google Patents
多経路フェージングチャネルに対する遅延拡散推定方法 Download PDFInfo
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- JP4128335B2 JP4128335B2 JP2000587505A JP2000587505A JP4128335B2 JP 4128335 B2 JP4128335 B2 JP 4128335B2 JP 2000587505 A JP2000587505 A JP 2000587505A JP 2000587505 A JP2000587505 A JP 2000587505A JP 4128335 B2 JP4128335 B2 JP 4128335B2
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- delay
- correlation
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- 238000000034 method Methods 0.000 title claims description 37
- 238000005562 fading Methods 0.000 title description 3
- 238000005070 sampling Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000012952 Resampling Methods 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims 1
- 108091006146 Channels Proteins 0.000 description 8
- 230000000875 corresponding effect Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000007476 Maximum Likelihood Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
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
- H04B1/7073—Synchronisation aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/364—Delay profiles
-
- 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
- H04L25/0212—Channel estimation of impulse response
- H04L25/0216—Channel estimation of impulse response with estimation of channel length
-
- 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
- H04B1/7113—Determination of path profile
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11170398P | 1998-12-10 | 1998-12-10 | |
| US60/111,703 | 1998-12-10 | ||
| PCT/US1999/029316 WO2000035159A1 (en) | 1998-12-10 | 1999-12-09 | Delay spread estimation for multipath fading channels |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002532964A JP2002532964A (ja) | 2002-10-02 |
| JP2002532964A5 JP2002532964A5 (enExample) | 2008-05-01 |
| JP4128335B2 true JP4128335B2 (ja) | 2008-07-30 |
Family
ID=22340012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000587505A Expired - Fee Related JP4128335B2 (ja) | 1998-12-10 | 1999-12-09 | 多経路フェージングチャネルに対する遅延拡散推定方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6522706B1 (enExample) |
| JP (1) | JP4128335B2 (enExample) |
| KR (1) | KR100628486B1 (enExample) |
| AU (1) | AU2357100A (enExample) |
| DE (1) | DE19982765B4 (enExample) |
| WO (1) | WO2000035159A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016137257A1 (ko) * | 2015-02-27 | 2016-09-01 | 삼성전자 주식회사 | 이동 통신 시스템에서 수신 장치의 신호 조정 방법 및 장치 |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6115406A (en) | 1999-09-10 | 2000-09-05 | Interdigital Technology Corporation | Transmission using an antenna array in a CDMA communication system |
| US6278726B1 (en) | 1999-09-10 | 2001-08-21 | Interdigital Technology Corporation | Interference cancellation in a spread spectrum communication system |
| US6810070B1 (en) * | 2000-01-12 | 2004-10-26 | Ericsson Inc. | Selective multi-carrier direct sequence spread spectrum communication systems and methods |
| JP4316759B2 (ja) * | 2000-01-13 | 2009-08-19 | 株式会社日立国際電気 | パス認定方法、cdma方式無線通信端末およびcdma方式無線通信システム |
| JP3566895B2 (ja) * | 2000-02-15 | 2004-09-15 | 株式会社エヌ・ティ・ティ・ドコモ | 先頭波位置検出装置、受信装置、先頭位置検出装置、先頭波位置検出方法および先頭位置検出方法 |
| DE60025197T2 (de) * | 2000-08-11 | 2006-06-29 | Mitsubishi Electric Information Technology Centre Europe B.V. | Adaptive Entzerrung und Dekodierung für gespreizte Kanalverzögerung |
| US6826244B2 (en) * | 2001-02-27 | 2004-11-30 | Interdigital Technology Corporation | Initial cell search algorithm for 3G FDD wireless communication systems |
| US7688919B1 (en) * | 2001-06-26 | 2010-03-30 | Altera Corporation | Parallel samples, parallel coefficients, time division multiplexing correlator architecture |
| JP3676991B2 (ja) * | 2001-07-05 | 2005-07-27 | 松下電器産業株式会社 | 無線通信装置及び無線通信方法 |
| US7139331B2 (en) * | 2002-03-30 | 2006-11-21 | Broadcom Corporation | Characterizing channel response in a single upstream burst using redundant information from training tones |
| KR100515771B1 (ko) * | 2002-07-30 | 2005-09-23 | 전남대학교산학협력단 | 광대역 코드분할 다중접속 시스템의 다중경로 채널 시뮬레이팅 방법 |
| AU2003253163A1 (en) * | 2002-09-20 | 2004-04-08 | Koninklijke Philips Electronics N.V. | Adaptive data processing scheme based on delay forecast |
| JP2004153466A (ja) * | 2002-10-29 | 2004-05-27 | Matsushita Electric Ind Co Ltd | 受信方法、受信装置及び無線伝送システム |
| US7027527B2 (en) * | 2002-12-04 | 2006-04-11 | Motorola, Inc. | Excess delay spread detection method for multi-carrier communication systems |
| KR100517237B1 (ko) * | 2002-12-09 | 2005-09-27 | 한국전자통신연구원 | 직교 주파수 분할 다중화 무선 통신 시스템에서의채널품질 추정과 링크적응 방법 및 그 장치 |
| US7437135B2 (en) | 2003-10-30 | 2008-10-14 | Interdigital Technology Corporation | Joint channel equalizer interference canceller advanced receiver |
| EP1531590A1 (en) * | 2003-11-11 | 2005-05-18 | STMicroelectronics Belgium N.V. | Method and apparatus for channel equalisation with estimation of the channel impulse response length |
| US7400692B2 (en) | 2004-01-14 | 2008-07-15 | Interdigital Technology Corporation | Telescoping window based equalization |
| US9641371B2 (en) * | 2014-12-31 | 2017-05-02 | Motorola Solutions, Inc | Methods and systems for dynamic single-frequency-network-multicast symbol synchronization |
| WO2020147726A1 (en) * | 2019-01-14 | 2020-07-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for multi-path delay estimation |
| US12458294B2 (en) | 2021-05-03 | 2025-11-04 | Nihon Kohden Digital Health Solutions, Llc | Method for synchronizing biological signals from different monitoring devices |
| US11496232B1 (en) | 2021-05-03 | 2022-11-08 | Nihon Kohden Digital Health Solutions, Inc. | Waveform synchronization system for data received from a network |
| CN114071705B (zh) * | 2021-10-27 | 2023-06-13 | 白盒子(上海)微电子科技有限公司 | 一种时延扩展获取方法和装置 |
| CN117439848B (zh) * | 2023-11-10 | 2024-11-05 | 北京智联安科技有限公司 | 确定主同步信号的方法、装置及介质 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2083304C (en) * | 1991-12-31 | 1999-01-26 | Stephen R. Huszar | Equalization and decoding for digital communication channel |
| US5581579A (en) * | 1993-08-17 | 1996-12-03 | Tcsi Corporation | Method and apparatus to adaptively control the frequency of reception in a digital wireless communication system |
| US5400368A (en) * | 1993-08-17 | 1995-03-21 | Teknekron Communications Systems, Inc. | Method and apparatus for adjusting the sampling phase of a digitally encoded signal in a wireless communication system |
| US5491726A (en) * | 1993-08-17 | 1996-02-13 | Tcsi Corp. | Method and apparatus to determine the frequency and time slot position in a digital wireless communication session |
| US5659576A (en) * | 1994-05-19 | 1997-08-19 | Hughes Electronics | Balanced processing based on receiver selection |
| US6028901A (en) * | 1994-05-19 | 2000-02-22 | Hughes Electronics Corporation | Receiver selection based on delay spread estimation |
| US5652771A (en) * | 1995-01-04 | 1997-07-29 | Hughes Electronics | Time tracking based on a Taylor series of an expected signal |
| US5706314A (en) * | 1995-01-04 | 1998-01-06 | Hughes Electronics | Joint maximum likelihood channel and timing error estimation |
| US5894473A (en) * | 1996-02-29 | 1999-04-13 | Ericsson Inc. | Multiple access communications system and method using code and time division |
| US6097770A (en) * | 1996-10-31 | 2000-08-01 | Lucent Technologies Inc. | Frequency offset estimation for wireless systems based on channel impulse response |
| US6151484A (en) * | 1997-08-08 | 2000-11-21 | Ericsson Inc. | Communications apparatus and methods for adaptive signal processing based on mobility characteristics |
-
1999
- 1999-12-08 US US09/456,604 patent/US6522706B1/en not_active Expired - Lifetime
- 1999-12-09 JP JP2000587505A patent/JP4128335B2/ja not_active Expired - Fee Related
- 1999-12-09 WO PCT/US1999/029316 patent/WO2000035159A1/en not_active Ceased
- 1999-12-09 KR KR1020007008440A patent/KR100628486B1/ko not_active Expired - Lifetime
- 1999-12-09 AU AU23571/00A patent/AU2357100A/en not_active Abandoned
- 1999-12-09 DE DE19982765T patent/DE19982765B4/de not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016137257A1 (ko) * | 2015-02-27 | 2016-09-01 | 삼성전자 주식회사 | 이동 통신 시스템에서 수신 장치의 신호 조정 방법 및 장치 |
| US10148315B2 (en) | 2015-02-27 | 2018-12-04 | Samsung Electronics Co., Ltd. | Method and device for adjusting signal of receiving device in mobile communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000035159A1 (en) | 2000-06-15 |
| DE19982765T1 (de) | 2001-11-22 |
| KR100628486B1 (ko) | 2006-09-26 |
| US6522706B1 (en) | 2003-02-18 |
| AU2357100A (en) | 2000-06-26 |
| DE19982765B4 (de) | 2011-07-21 |
| JP2002532964A (ja) | 2002-10-02 |
| KR20010040571A (ko) | 2001-05-15 |
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