ES2402425T3 - Módulos conjuntos multidimensionales de buscador y estimador de canal - Google Patents
Módulos conjuntos multidimensionales de buscador y estimador de canal Download PDFInfo
- Publication number
- ES2402425T3 ES2402425T3 ES04800286T ES04800286T ES2402425T3 ES 2402425 T3 ES2402425 T3 ES 2402425T3 ES 04800286 T ES04800286 T ES 04800286T ES 04800286 T ES04800286 T ES 04800286T ES 2402425 T3 ES2402425 T3 ES 2402425T3
- Authority
- ES
- Spain
- Prior art keywords
- antenna
- channel
- signals
- index
- array
- 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
- 239000013598 vector Substances 0.000 claims abstract description 126
- 238000005070 sampling Methods 0.000 claims abstract description 93
- 239000011159 matrix material Substances 0.000 claims abstract description 76
- 230000002123 temporal effect Effects 0.000 claims abstract description 52
- 238000004891 communication Methods 0.000 claims abstract description 14
- 230000004069 differentiation Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 94
- 230000004044 response Effects 0.000 claims description 21
- 108091026890 Coding region Proteins 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 description 23
- 238000012545 processing Methods 0.000 description 21
- 238000012797 qualification Methods 0.000 description 19
- 238000013459 approach Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 12
- 238000004458 analytical method Methods 0.000 description 10
- 230000001427 coherent effect Effects 0.000 description 8
- 239000012634 fragment Substances 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000007480 spreading Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000010183 spectrum analysis Methods 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/717,313 US7308286B2 (en) | 2003-11-20 | 2003-11-20 | Multi-dimensional joint searcher and channel estimators |
| US717313 | 2003-11-20 | ||
| PCT/SE2004/001623 WO2005050861A1 (en) | 2003-11-20 | 2004-11-09 | Multi-dimensional joint searcher and channel estimators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2402425T3 true ES2402425T3 (es) | 2013-05-03 |
Family
ID=34590902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES04800286T Expired - Lifetime ES2402425T3 (es) | 2003-11-20 | 2004-11-09 | Módulos conjuntos multidimensionales de buscador y estimador de canal |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7308286B2 (enExample) |
| EP (1) | EP1687909B1 (enExample) |
| JP (1) | JP2007512762A (enExample) |
| CN (1) | CN1883131B (enExample) |
| ES (1) | ES2402425T3 (enExample) |
| WO (1) | WO2005050861A1 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050113141A1 (en) * | 2003-11-20 | 2005-05-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Spatial joint searcher and channel estimators |
| TWI245199B (en) * | 2004-08-10 | 2005-12-11 | Ali Corp | Blind channel searching and estimation method using fast Fourier transformation |
| KR101009774B1 (ko) | 2006-07-11 | 2011-01-19 | 더 유니버시티 코트 오브 더 유니버시티 오브 에딘버그 | 다중입출력 시스템에서 공간 변조 방법 및 그를 이용한 송수신 장치 |
| JP5186748B2 (ja) * | 2006-09-29 | 2013-04-24 | 富士通株式会社 | 無線通信装置および無線通信方法 |
| US8208587B2 (en) * | 2007-04-27 | 2012-06-26 | Ntt Docomo, Inc. | Method and system for joint time-of-arrival and amplitude estimation based on a super-resolution technique |
| EP2055015B1 (en) * | 2007-06-08 | 2012-08-15 | LG Innotek Co., Ltd | Wireless communication device |
| WO2009115799A1 (en) * | 2008-03-18 | 2009-09-24 | Elliptic Laboratories As | Object and movement detection |
| EP2116921B1 (en) * | 2008-05-07 | 2011-09-07 | Tyco Electronics Services GmbH | Method for determining the location of an impact on a surface of an object |
| EP2200245B1 (en) * | 2008-12-19 | 2012-08-15 | Telefonaktiebolaget L M Ericsson (publ) | A receiver and a method for mobile communications |
| US20100226448A1 (en) * | 2009-03-05 | 2010-09-09 | Paul Wilkinson Dent | Channel extrapolation from one frequency and time to another |
| CN104113396B (zh) * | 2013-04-17 | 2019-02-12 | 上海诺基亚贝尔股份有限公司 | 大规模天线系统中的信道检测方法和装置 |
| CN104378147B (zh) * | 2013-08-16 | 2018-07-13 | 上海诺基亚贝尔股份有限公司 | Mimo系统中的上行导频分配方法及装置 |
| CN107850660B (zh) * | 2015-07-17 | 2021-06-15 | 株式会社村田制作所 | 位置检测系统以及计算机程序 |
| CN109844557B (zh) * | 2016-09-02 | 2023-09-05 | 马维尔亚洲私人有限公司 | 用于确定无线信号的到达角的方法和装置 |
| CN109995689B (zh) * | 2017-12-29 | 2021-08-06 | 普天信息技术有限公司 | 估计pucch频偏的方法、装置、电子设备和存储介质 |
| US11483691B2 (en) * | 2018-03-13 | 2022-10-25 | Cypress Semiconductor Corporation | Time of arrival estimation for Bluetooth systems and devices |
| DE102020215852B4 (de) * | 2020-12-14 | 2022-07-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Robuste Ankunftszeitschätzung unter Verwendung von faltenden neuronalen Netzerken (oder anderen Funktionsapproximationen) auf randomisierten Kanalmodellen |
| CN115695105B (zh) * | 2023-01-03 | 2023-03-17 | 南昌大学 | 基于深度迭代智能超表面辅助通信的信道估计方法及装置 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5790606A (en) * | 1994-01-11 | 1998-08-04 | Ericsson Inc. | Joint demodulation using spatial maximum likelihood |
| ZA957858B (en) * | 1994-09-30 | 1996-04-22 | Qualcomm Inc | Multipath search processor for a spread spectrum multiple access communication system |
| WO1998035248A1 (en) * | 1997-02-11 | 1998-08-13 | Massachusetts Institute Of Technology | Polymeric photonic band gap materials |
| DE19754031A1 (de) * | 1997-12-05 | 1999-06-17 | Siemens Ag | Verfahren und Meßanordnung zur Messung der Eigenschaften von Funkkanälen |
| JPH11266180A (ja) * | 1998-03-18 | 1999-09-28 | Fujitsu Ltd | 無線基地局のアレーアンテナシステム |
| DE19824218C1 (de) | 1998-05-29 | 2000-03-23 | Ericsson Telefon Ab L M | Multipfad-Ausbreitungsverzögerungs-Bestimmungsvorrichtung unter Verwendung von periodisch eingefügten Pilotsymbolen |
| US6370397B1 (en) * | 1998-05-01 | 2002-04-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Search window delay tracking in code division multiple access communication systems |
| US6311043B1 (en) * | 1998-10-27 | 2001-10-30 | Siemens Aktiengesellschaft | Method and measurement configuration for measuring the characteristics of radio channels |
| US6473393B1 (en) * | 1998-12-18 | 2002-10-29 | At&T Corp. | Channel estimation for OFDM systems with transmitter diversity |
| JP3001570B1 (ja) | 1999-02-22 | 2000-01-24 | 埼玉日本電気株式会社 | 適応アンテナ指向性制御方法及びそのシステム |
| US6141393A (en) * | 1999-03-03 | 2000-10-31 | Motorola, Inc. | Method and device for channel estimation, equalization, and interference suppression |
| US6567482B1 (en) * | 1999-03-05 | 2003-05-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for efficient synchronization in spread spectrum communications |
| CA2535872C (en) * | 1999-04-02 | 2010-11-30 | Ntt Docomo, Inc. | Fading frequency decision device and method |
| WO2001067627A1 (en) * | 2000-03-06 | 2001-09-13 | Fujitsu Limited | Cdma receiver and searcher of the cdma receiver |
| JP4509297B2 (ja) * | 2000-04-26 | 2010-07-21 | 三菱電機株式会社 | スペクトル拡散受信装置 |
| FR2813465B1 (fr) * | 2000-08-29 | 2005-04-08 | Mitsubishi Electric Inf Tech | Methode d'estimation conjointe de canal et de direction d'arrivee |
| JP4087549B2 (ja) * | 2000-09-06 | 2008-05-21 | 富士通株式会社 | アレーアンテナ無線通信装置 |
| US6496535B2 (en) * | 2001-03-23 | 2002-12-17 | Navini Networks, Inc. | Method and system for effective channel estimation in a telecommunication system |
| US20020176485A1 (en) * | 2001-04-03 | 2002-11-28 | Hudson John E. | Multi-cast communication system and method of estimating channel impulse responses therein |
| JP3558053B2 (ja) * | 2001-06-06 | 2004-08-25 | 日本電気株式会社 | 適応アンテナ受信装置 |
| JP4152091B2 (ja) * | 2001-06-06 | 2008-09-17 | 日本電気株式会社 | 適応アンテナ受信装置 |
| JP2003008483A (ja) | 2001-06-18 | 2003-01-10 | Nec Corp | アダプティブアレイアンテナ受信装置 |
| KR100591700B1 (ko) | 2001-10-06 | 2006-07-03 | 엘지노텔 주식회사 | 배열 안테나 시스템에서 신호 경로 탐색 방법 및 이를위한 장치 |
-
2003
- 2003-11-20 US US10/717,313 patent/US7308286B2/en not_active Expired - Fee Related
-
2004
- 2004-11-09 ES ES04800286T patent/ES2402425T3/es not_active Expired - Lifetime
- 2004-11-09 JP JP2006541078A patent/JP2007512762A/ja active Pending
- 2004-11-09 WO PCT/SE2004/001623 patent/WO2005050861A1/en not_active Ceased
- 2004-11-09 EP EP04800286A patent/EP1687909B1/en not_active Expired - Lifetime
- 2004-11-09 CN CN2004800345020A patent/CN1883131B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1687909A1 (en) | 2006-08-09 |
| CN1883131B (zh) | 2010-12-01 |
| EP1687909B1 (en) | 2013-01-02 |
| US20050113042A1 (en) | 2005-05-26 |
| JP2007512762A (ja) | 2007-05-17 |
| WO2005050861A1 (en) | 2005-06-02 |
| CN1883131A (zh) | 2006-12-20 |
| US7308286B2 (en) | 2007-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2402425T3 (es) | Módulos conjuntos multidimensionales de buscador y estimador de canal | |
| Liu et al. | Wireless AI: Wireless Sensing, Positioning, IoT, and Communications | |
| ES2417604T3 (es) | Formación de haces en sistemas de MIMO | |
| US6907270B1 (en) | Method and apparatus for reduced rank channel estimation in a communications system | |
| Abdallah et al. | Assessing real 5G signals for opportunistic navigation | |
| ES2365701T3 (es) | Rechazo de ecos parásitos en un receptor radar pasivo de señales ofdm con red de antenas. | |
| US20050113141A1 (en) | Spatial joint searcher and channel estimators | |
| WO2018160141A1 (en) | Apparatus and method for localisation and/or tracking | |
| Yang et al. | An experimental analysis of cyclic and reference signals of 4G LTE for TOA estimation and positioning in mobile fading environments | |
| US6239746B1 (en) | Radiogoniometry method and device co-operating in transmission | |
| JP5591895B2 (ja) | ２つのアンテナまたはその同等物を使用してナビゲーションビーコン信号を検出するための方法 | |
| US20050113142A1 (en) | Temporal joint searcher and channel estimators | |
| US10158436B2 (en) | Receiver apparatus and reception method | |
| WO2013013169A1 (en) | Multipath compensation within geolocation of mobile devices | |
| Xiong | Pushing the limits of indoor localization in today’s Wi-Fi networks | |
| US7577214B2 (en) | OFDM signal receiver and receiving method | |
| KR101406349B1 (ko) | 다중 경로 환경에서 셀 아이디 및 ＤｏＡ 추정 방법 및 장치 | |
| US20050111598A1 (en) | Spatio-temporal joint searcher and channel estimators | |
| JP4147864B2 (ja) | 空間角度広がりを推定する方法および受信装置 | |
| Barroso et al. | Beamforming with correlated arrivals in mobile communications | |
| Kuperman et al. | Integrating ocean acoustics and signal processing | |
| Maciel | The Combination of Alamouti Coding with Ofdm for the Integration of the Future Mimo Radar and Communication Systems | |
| Jiang et al. | Joint 2-D angle and delay estimation for multipath channel using fourth-order cumulants | |
| Dewing et al. | Localization Through Wireless Access Point Channel State Information | |
| MARATH | Direction of arrival estimation of WiMedia UWB multipath signals in the presence of inband interferers |