DE69527964T2 - Phasengesteuerte gruppenantenne mit spread-spectrum-system und verfahren. - Google Patents

Phasengesteuerte gruppenantenne mit spread-spectrum-system und verfahren.

Info

Publication number
DE69527964T2
DE69527964T2 DE69527964T DE69527964T DE69527964T2 DE 69527964 T2 DE69527964 T2 DE 69527964T2 DE 69527964 T DE69527964 T DE 69527964T DE 69527964 T DE69527964 T DE 69527964T DE 69527964 T2 DE69527964 T2 DE 69527964T2
Authority
DE
Germany
Prior art keywords
signals
spread
magnitude
spectrum
section
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.)
Revoked
Application number
DE69527964T
Other languages
English (en)
Other versions
DE69527964D1 (de
Inventor
L Schilling
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.)
InterDigital Technology Corp
Original Assignee
InterDigital Technology Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23015931&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69527964(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by InterDigital Technology Corp filed Critical InterDigital Technology Corp
Application granted granted Critical
Publication of DE69527964D1 publication Critical patent/DE69527964D1/de
Publication of DE69527964T2 publication Critical patent/DE69527964T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • 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
    • H04B7/0891—Space-time diversity
    • H04B7/0894—Space-time diversity using different delays between antennas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
    • G01S3/42—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal the desired condition being maintained automatically
    • 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
    • H01Q3/22—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 orientation in accordance with variation of frequency of radiated wave
    • 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
    • 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
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • 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
    • H01Q3/2682—Time delay steered arrays
    • 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
    • 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
    • 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
    • H04B7/084—Equal gain combining, only phase adjustments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1081—Reduction of multipath noise
DE69527964T 1994-06-28 1995-06-16 Phasengesteuerte gruppenantenne mit spread-spectrum-system und verfahren. Revoked DE69527964T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/266,769 US5659572A (en) 1993-11-22 1994-06-28 Phased array spread spectrum system and method
PCT/US1995/008562 WO1996000991A1 (en) 1994-06-28 1995-06-16 Phased array spread spectrum system and method

Publications (2)

Publication Number Publication Date
DE69527964D1 DE69527964D1 (de) 2002-10-02
DE69527964T2 true DE69527964T2 (de) 2003-03-27

Family

ID=23015931

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69527964T Revoked DE69527964T2 (de) 1994-06-28 1995-06-16 Phasengesteuerte gruppenantenne mit spread-spectrum-system und verfahren.
DE19581691T Withdrawn DE19581691T1 (de) 1994-06-28 1995-06-16 Spreizspektrumsystem und -verfahren mit phasengesteuerter Gruppenantenne

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19581691T Withdrawn DE19581691T1 (de) 1994-06-28 1995-06-16 Spreizspektrumsystem und -verfahren mit phasengesteuerter Gruppenantenne

Country Status (17)

Country Link
US (9) US5659572A (de)
EP (3) EP1085342A1 (de)
JP (1) JP3796721B2 (de)
CN (7) CN1306717C (de)
AT (1) ATE223113T1 (de)
AU (1) AU686858B2 (de)
BR (1) BR9508146A (de)
CA (1) CA2193843C (de)
DE (2) DE69527964T2 (de)
DK (2) DK0767976T3 (de)
ES (1) ES2144383T3 (de)
FI (1) FI965223A (de)
HK (6) HK1055025B (de)
MX (1) MX9700017A (de)
NZ (1) NZ290255A (de)
SE (3) SE521161C2 (de)
WO (1) WO1996000991A1 (de)

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Also Published As

Publication number Publication date
EP0767976A1 (de) 1997-04-16
US7362793B2 (en) 2008-04-22
HK1055025A1 (en) 2003-12-19
AU686858B2 (en) 1998-02-12
US7580475B2 (en) 2009-08-25
SE521161C2 (sv) 2003-10-07
DE19581691T1 (de) 1997-06-19
SE0401974L (sv) 2004-08-03
SE525806C2 (sv) 2005-05-03
WO1996000991A1 (en) 1996-01-11
CA2193843A1 (en) 1996-01-11
SE0301545D0 (sv) 2003-05-27
US8462876B2 (en) 2013-06-11
CN1086871C (zh) 2002-06-26
CN1158187A (zh) 1997-08-27
SE9604711D0 (sv) 1996-12-20
DE69527964D1 (de) 2002-10-02
DK0767976T3 (da) 2003-01-06
SE525117C2 (sv) 2004-11-30
HK1055022A1 (en) 2003-12-19
HK1055026B (zh) 2005-03-18
CN1173483C (zh) 2004-10-27
AU3094295A (en) 1996-01-25
EP0767976A4 (de) 2000-05-17
CN1306717C (zh) 2007-03-21
HK1055024A1 (en) 2003-12-19
CN1173484C (zh) 2004-10-27
EP1093185A2 (de) 2001-04-18
DK174844B1 (da) 2003-12-15
US5926502A (en) 1999-07-20
HK1055023A1 (en) 2003-12-19
CN1392674A (zh) 2003-01-22
DK145296A (da) 1997-02-26
CN1392675A (zh) 2003-01-22
BR9508146A (pt) 1999-01-05
US20010024466A1 (en) 2001-09-27
FI965223A0 (fi) 1996-12-27
CA2193843C (en) 2000-11-14
HK1055022B (zh) 2005-03-11
US5633889A (en) 1997-05-27
US20020080858A1 (en) 2002-06-27
US6256340B1 (en) 2001-07-03
CN1394000A (zh) 2003-01-29
ES2144383T1 (es) 2000-06-16
ES2144383T3 (es) 2003-03-01
ATE223113T1 (de) 2002-09-15
JP3796721B2 (ja) 2006-07-12
HK1072677A1 (en) 2005-09-02
CN1596011A (zh) 2005-03-16
EP0767976B1 (de) 2002-08-28
US6563860B2 (en) 2003-05-13
CN1393999A (zh) 2003-01-29
HK1055024B (zh) 2005-03-11
CN1315346C (zh) 2007-05-09
CN1173482C (zh) 2004-10-27
NZ290255A (en) 1998-06-26
JPH10502505A (ja) 1998-03-03
EP1085342A1 (de) 2001-03-21
HK1055025B (zh) 2007-07-20
US5659572A (en) 1997-08-19
SE0401974D0 (sv) 2004-08-03
CN1392676A (zh) 2003-01-22
EP1093185A3 (de) 2001-11-21
SE0301545L (sv) 2003-05-27
HK1055023B (zh) 2005-03-11
HK1055026A1 (en) 2003-12-19
US20050047483A1 (en) 2005-03-03
US20090310652A1 (en) 2009-12-17
SE9604711L (sv) 1997-02-21
MX9700017A (es) 1997-12-31
FI965223A (fi) 1997-02-26
US6400756B2 (en) 2002-06-04
CN1177412C (zh) 2004-11-24
US20080192808A1 (en) 2008-08-14

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