MXPA02002405A - Metodo y aparato para reducir la disposicion de trayectos multiples en una senal de television. - Google Patents
Metodo y aparato para reducir la disposicion de trayectos multiples en una senal de television.Info
- Publication number
- MXPA02002405A MXPA02002405A MXPA02002405A MXPA02002405A MXPA02002405A MX PA02002405 A MXPA02002405 A MX PA02002405A MX PA02002405 A MXPA02002405 A MX PA02002405A MX PA02002405 A MXPA02002405 A MX PA02002405A MX PA02002405 A MXPA02002405 A MX PA02002405A
- Authority
- MX
- Mexico
- Prior art keywords
- spatially
- signal
- signals
- antenna
- adaptive
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000003044 adaptive effect Effects 0.000 claims abstract description 34
- 239000004020 conductor Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 8
- 230000005855 radiation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 235000013361 beverage Nutrition 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 235000004035 Cryptotaenia japonica Nutrition 0.000 description 1
- 102000007641 Trefoil Factors Human genes 0.000 description 1
- 241000219793 Trifolium Species 0.000 description 1
- 235000015724 Trifolium pratense Nutrition 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000010845 search algorithm Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
- H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
- H01Q7/08—Ferrite rod or like elongated core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
- H01Q9/265—Open ring dipoles; Circular dipoles
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/211—Ghost signal cancellation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Noise Elimination (AREA)
- Radio Relay Systems (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15285999P | 1999-09-08 | 1999-09-08 | |
| PCT/US2000/024708 WO2001019075A2 (en) | 1999-09-08 | 2000-09-08 | Method and apparatus for reducing multipath distortion in a television signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MXPA02002405A true MXPA02002405A (es) | 2002-08-28 |
Family
ID=22544757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MXPA02002405A MXPA02002405A (es) | 1999-09-08 | 2000-09-08 | Metodo y aparato para reducir la disposicion de trayectos multiples en una senal de television. |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1219109A2 (enExample) |
| JP (1) | JP2003513486A (enExample) |
| KR (2) | KR100742172B1 (enExample) |
| CN (2) | CN1734837A (enExample) |
| AU (1) | AU7361600A (enExample) |
| DE (1) | DE60043312D1 (enExample) |
| MX (1) | MXPA02002405A (enExample) |
| WO (1) | WO2001019075A2 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7034893B2 (en) | 2001-03-30 | 2006-04-25 | Broadcom Corporation | Method and apparatus for reception of terrestrial digital television signals |
| DE10224536B4 (de) | 2002-05-31 | 2009-04-23 | Harman Becker Automotive Systems (Xsys Division) Gmbh | Verfahren und Schaltungsanordnung zum Mehrwegeempfang |
| KR100482286B1 (ko) * | 2002-09-27 | 2005-04-13 | 한국전자통신연구원 | 선택형 빔형성을 통해 수신성능을 개선하는 디지털 방송수신 장치 |
| KR100500661B1 (ko) | 2003-06-14 | 2005-07-12 | 한국전자통신연구원 | 디지털 ｔｖ 수신기의 최적 빔 선택 장치 및 그 방법 |
| US7026989B1 (en) * | 2004-01-23 | 2006-04-11 | Itt Manufacturing Enterprises, Inc. | Methods and apparatus for shaping antenna beam patterns of phased array antennas |
| KR100583240B1 (ko) * | 2004-11-26 | 2006-05-25 | 한국전자통신연구원 | 디지털 방송 수신 성능 개선을 위한 최적의 빔 선택 방법및 그를 이용한 디지털 방송 수신 장치 |
| US7714780B2 (en) * | 2006-03-10 | 2010-05-11 | Broadcom Corporation | Beamforming RF circuit and applications thereof |
| CN104900990B (zh) * | 2015-06-09 | 2019-04-23 | 联想(北京)有限公司 | 天线和包括该天线的电子设备 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5931241B2 (ja) * | 1975-11-12 | 1984-08-01 | 松下電器産業株式会社 | ゴ−ストジヨキヨソウチ |
| US4121219A (en) * | 1976-04-12 | 1978-10-17 | Connor Gerald O | Dipole resonent loop antenna |
| US4338606A (en) * | 1978-12-21 | 1982-07-06 | Sony Corporation | Antenna system with variable directivity |
| JPS5585106A (en) * | 1978-12-21 | 1980-06-26 | Sony Corp | Antenna unit |
| US4397041A (en) * | 1980-03-03 | 1983-08-02 | Pioneer Electronic Corporation | Complex antenna system and FM/AM receiver |
| JPS5913441A (ja) * | 1982-07-14 | 1984-01-24 | Nec Corp | 干渉波消去型スペ−スダイバ−シテイ−装置 |
| JPS5913442A (ja) * | 1982-07-14 | 1984-01-24 | Nec Corp | 信号分散最小型スペ−ス・ダイバ−シテイ−装置 |
| DE3427629A1 (de) * | 1984-07-26 | 1986-01-30 | Siemens AG, 1000 Berlin und 8000 München | Ringantenne in gedruckter schaltungstechnik |
| JPH069342B2 (ja) * | 1985-09-24 | 1994-02-02 | 日産自動車株式会社 | アンテナ装置 |
| JPS62100034A (ja) * | 1985-10-26 | 1987-05-09 | Toshiba Corp | 妨害波除去装置の妨害周波数検出回路 |
| GB2257605A (en) * | 1991-07-12 | 1993-01-13 | Paul Victor Brennan | Diversity antenna system |
| JPH0879570A (ja) * | 1994-09-09 | 1996-03-22 | Hitachi Ltd | テレビジョン受像機 |
| JP3165447B2 (ja) * | 1995-11-29 | 2001-05-14 | 株式会社エヌ・ティ・ティ・ドコモ | ダイバーシチ受信装置および制御方法 |
-
2000
- 2000-09-08 CN CN 200510097624 patent/CN1734837A/zh active Pending
- 2000-09-08 KR KR1020057016774A patent/KR100742172B1/ko not_active Expired - Lifetime
- 2000-09-08 DE DE60043312T patent/DE60043312D1/de not_active Expired - Lifetime
- 2000-09-08 MX MXPA02002405A patent/MXPA02002405A/es active IP Right Grant
- 2000-09-08 AU AU73616/00A patent/AU7361600A/en not_active Abandoned
- 2000-09-08 CN CN 00812511 patent/CN1249989C/zh not_active Expired - Lifetime
- 2000-09-08 EP EP00961698A patent/EP1219109A2/en not_active Ceased
- 2000-09-08 WO PCT/US2000/024708 patent/WO2001019075A2/en not_active Ceased
- 2000-09-08 KR KR1020027003094A patent/KR20020033788A/ko not_active Ceased
- 2000-09-08 JP JP2001522761A patent/JP2003513486A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003513486A (ja) | 2003-04-08 |
| CN1399843A (zh) | 2003-02-26 |
| CN1734837A (zh) | 2006-02-15 |
| KR20050095903A (ko) | 2005-10-04 |
| CN1249989C (zh) | 2006-04-05 |
| KR20020033788A (ko) | 2002-05-07 |
| WO2001019075A2 (en) | 2001-03-15 |
| KR100742172B1 (ko) | 2007-07-25 |
| DE60043312D1 (de) | 2009-12-24 |
| AU7361600A (en) | 2001-04-10 |
| EP1219109A2 (en) | 2002-07-03 |
| WO2001019075A3 (en) | 2001-09-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant or registration |