JP2003513486A - テレビジョン信号の多重通路歪みを減少させる方法および装置 - Google Patents

テレビジョン信号の多重通路歪みを減少させる方法および装置

Info

Publication number
JP2003513486A
JP2003513486A JP2001522761A JP2001522761A JP2003513486A JP 2003513486 A JP2003513486 A JP 2003513486A JP 2001522761 A JP2001522761 A JP 2001522761A JP 2001522761 A JP2001522761 A JP 2001522761A JP 2003513486 A JP2003513486 A JP 2003513486A
Authority
JP
Japan
Prior art keywords
signal
spatially
antenna
adaptive
unique signals
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.)
Pending
Application number
JP2001522761A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003513486A5 (enExample
Inventor
ハワード ブルース クラノア，トーマス
アレン ホール，エドワード
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of JP2003513486A publication Critical patent/JP2003513486A/ja
Publication of JP2003513486A5 publication Critical patent/JP2003513486A5/ja
Pending legal-status Critical Current

Links

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)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Noise Elimination (AREA)
  • Radio Relay Systems (AREA)
  • Picture Signal Circuits (AREA)
JP2001522761A 1999-09-08 2000-09-08 テレビジョン信号の多重通路歪みを減少させる方法および装置 Pending JP2003513486A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15285999P 1999-09-08 1999-09-08
US60/152,859 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 (2)

Publication Number Publication Date
JP2003513486A true JP2003513486A (ja) 2003-04-08
JP2003513486A5 JP2003513486A5 (enExample) 2007-10-25

Family

ID=22544757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001522761A Pending JP2003513486A (ja) 1999-09-08 2000-09-08 テレビジョン信号の多重通路歪みを減少させる方法および装置

Country Status (8)

Country Link
EP (1) EP1219109A2 (enExample)
JP (1) JP2003513486A (enExample)
KR (2) KR20020033788A (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)

* Cited by examiner, † Cited by third party
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121219A (en) * 1976-04-12 1978-10-17 Connor Gerald O Dipole resonent loop antenna
JPS5585106A (en) * 1978-12-21 1980-06-26 Sony Corp Antenna unit
JPS6269734A (ja) * 1985-09-24 1987-03-31 Nissan Motor Co Ltd アンテナ装置
JPH0879570A (ja) * 1994-09-09 1996-03-22 Hitachi Ltd テレビジョン受像機

Family Cites Families (9)

* Cited by examiner, † Cited by third party
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
CA1128654A (en) * 1978-12-21 1982-07-27 Masahiro Tada Antenna system with variable directivity
US4397041A (en) * 1980-03-03 1983-08-02 Pioneer Electronic Corporation Complex antenna system and FM/AM receiver
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
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
DE3427629A1 (de) * 1984-07-26 1986-01-30 Siemens AG, 1000 Berlin und 8000 München Ringantenne in gedruckter schaltungstechnik
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
CA2211619C (en) * 1995-11-29 2002-01-29 Ntt Mobile Communications Network Inc. Diversity receiver and its control method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121219A (en) * 1976-04-12 1978-10-17 Connor Gerald O Dipole resonent loop antenna
JPS5585106A (en) * 1978-12-21 1980-06-26 Sony Corp Antenna unit
JPS6269734A (ja) * 1985-09-24 1987-03-31 Nissan Motor Co Ltd アンテナ装置
JPH0879570A (ja) * 1994-09-09 1996-03-22 Hitachi Ltd テレビジョン受像機

Also Published As

Publication number Publication date
KR20020033788A (ko) 2002-05-07
KR20050095903A (ko) 2005-10-04
CN1399843A (zh) 2003-02-26
WO2001019075A3 (en) 2001-09-20
KR100742172B1 (ko) 2007-07-25
DE60043312D1 (de) 2009-12-24
CN1249989C (zh) 2006-04-05
CN1734837A (zh) 2006-02-15
EP1219109A2 (en) 2002-07-03
WO2001019075A2 (en) 2001-03-15
MXPA02002405A (es) 2002-08-28
AU7361600A (en) 2001-04-10

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