MXPA03011162A - Metodo y aparato para la estimacion de ancho de banda. - Google Patents
Metodo y aparato para la estimacion de ancho de banda.Info
- Publication number
- MXPA03011162A MXPA03011162A MXPA03011162A MXPA03011162A MXPA03011162A MX PA03011162 A MXPA03011162 A MX PA03011162A MX PA03011162 A MXPA03011162 A MX PA03011162A MX PA03011162 A MXPA03011162 A MX PA03011162A MX PA03011162 A MXPA03011162 A MX PA03011162A
- Authority
- MX
- Mexico
- Prior art keywords
- estimate
- bandwidth
- receiver
- bandwidth estimation
- selectably
- Prior art date
Links
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Se expone un metodo y un aparato computacionalmente eficiente para estimar el ancho de banda de una senal recibida. En una implementacion de ejemplo, la potencia de senal dentro de diversas bandas de frecuencia seleccionablemente estrechas, cada una centrada con respecto a una frecuencia seleccionada, se calculan utilizando unicamente un numero relativamente pequeno de operaciones aritmeticas. Las aplicaciones incluyen la utilizacion del ancho de banda estimado para estimar la velocidad relativa entre el transmisor y el receptor, y modificar la operacion del receptor con base en este estimado.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29602801P | 2001-06-05 | 2001-06-05 | |
US09/898,537 US7039138B2 (en) | 2001-06-05 | 2001-07-02 | Method and apparatus for bandwidth estimation |
PCT/US2002/017818 WO2002099991A1 (en) | 2001-06-05 | 2002-06-05 | Method and apparatus for bandwidth estimation |
Publications (1)
Publication Number | Publication Date |
---|---|
MXPA03011162A true MXPA03011162A (es) | 2004-02-26 |
Family
ID=26969454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MXPA03011162A MXPA03011162A (es) | 2001-06-05 | 2002-06-05 | Metodo y aparato para la estimacion de ancho de banda. |
Country Status (4)
Country | Link |
---|---|
US (1) | US7039138B2 (es) |
CN (1) | CN100505569C (es) |
MX (1) | MXPA03011162A (es) |
WO (1) | WO2002099991A1 (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0015229D0 (en) * | 2000-06-21 | 2000-08-16 | Nokia Networks Oy | Bandwidth estimation |
MXPA04003127A (es) * | 2001-10-10 | 2005-01-25 | Gartner Inc | Sistema y metodo para asignar una medida metrica de motor a un sistema de computacion. |
EP1703467A1 (en) * | 2005-03-15 | 2006-09-20 | Mitsubishi Electric Information Technology Centre Europe B.V. | Image analysis and representation |
US7778179B2 (en) * | 2005-11-23 | 2010-08-17 | Telefonaktiebolaget L M Ericsson (Publ) | Using filtering and active probing to evaluate a data transfer path |
CN102075375B (zh) * | 2009-11-23 | 2013-12-04 | 中兴通讯股份有限公司 | 一种数字用户环路中用户线路最大带宽的预估方法及系统 |
CN102739317B (zh) * | 2011-04-14 | 2015-06-24 | 富士通株式会社 | 一种多级相位估计方法和装置 |
CN108228480B (zh) * | 2017-12-29 | 2020-11-03 | 京信通信系统(中国)有限公司 | 一种数字滤波器及数据处理方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5640431A (en) | 1995-03-10 | 1997-06-17 | Motorola, Inc. | Method and apparatus for offset frequency estimation for a coherent receiver |
SE511393C2 (sv) * | 1997-02-10 | 1999-09-20 | Ericsson Telefon Ab L M | Anordning och förfarande för programmerbar analog bandpass- filtering |
JP3335887B2 (ja) | 1997-08-20 | 2002-10-21 | 松下電器産業株式会社 | スペクトル拡散復調装置及びスペクトル拡散復調方法 |
US6418162B1 (en) * | 1998-09-25 | 2002-07-09 | Tektronix, Inc. | Frequency spectrum measurement apparatus |
US6563861B1 (en) | 1999-03-22 | 2003-05-13 | Ericsson, Inc. | Doppler spread estimation system |
-
2001
- 2001-07-02 US US09/898,537 patent/US7039138B2/en not_active Expired - Fee Related
-
2002
- 2002-06-05 WO PCT/US2002/017818 patent/WO2002099991A1/en not_active Application Discontinuation
- 2002-06-05 CN CNB028147391A patent/CN100505569C/zh not_active Expired - Fee Related
- 2002-06-05 MX MXPA03011162A patent/MXPA03011162A/es active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CN1535506A (zh) | 2004-10-06 |
US7039138B2 (en) | 2006-05-02 |
US20020186788A1 (en) | 2002-12-12 |
CN100505569C (zh) | 2009-06-24 |
WO2002099991A1 (en) | 2002-12-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant or registration |