AU1185299A - Using multiple antennas to mitigate specular reflection - Google Patents

Using multiple antennas to mitigate specular reflection Download PDF

Info

Publication number
AU1185299A
AU1185299A AU11852/99A AU1185299A AU1185299A AU 1185299 A AU1185299 A AU 1185299A AU 11852/99 A AU11852/99 A AU 11852/99A AU 1185299 A AU1185299 A AU 1185299A AU 1185299 A AU1185299 A AU 1185299A
Authority
AU
Australia
Prior art keywords
signal
antenna
receiver
specular
combining
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.)
Abandoned
Application number
AU11852/99A
Other languages
English (en)
Inventor
William R. Panton
Mohammad Ali Tassoudji
James H Thompson
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of AU1185299A publication Critical patent/AU1185299A/en
Priority to AU2003213480A priority Critical patent/AU2003213480A1/en
Abandoned 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
    • 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
    • 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
    • H04B7/0865—Independent weighting, i.e. weights based on own antenna reception parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
AU11852/99A 1997-09-29 1998-09-25 Using multiple antennas to mitigate specular reflection Abandoned AU1185299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003213480A AU2003213480A1 (en) 1997-09-29 2003-07-16 Using multiple antennas to mitigate specular reflection

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US93932597A 1997-09-29 1997-09-29
US08939325 1997-09-29
PCT/US1998/020076 WO1999017466A1 (fr) 1997-09-29 1998-09-25 Utilisation de plusieurs antennes pour limiter la reflexion speculaire

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2003213480A Division AU2003213480A1 (en) 1997-09-29 2003-07-16 Using multiple antennas to mitigate specular reflection

Publications (1)

Publication Number Publication Date
AU1185299A true AU1185299A (en) 1999-04-23

Family

ID=25472971

Family Applications (1)

Application Number Title Priority Date Filing Date
AU11852/99A Abandoned AU1185299A (en) 1997-09-29 1998-09-25 Using multiple antennas to mitigate specular reflection

Country Status (7)

Country Link
EP (1) EP1020042A1 (fr)
JP (1) JP2001518736A (fr)
KR (1) KR20010030790A (fr)
CN (1) CN1115800C (fr)
AU (1) AU1185299A (fr)
CA (1) CA2303540A1 (fr)
WO (1) WO1999017466A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001024555A (ja) * 1999-07-02 2001-01-26 Nec Mobile Commun Ltd Ｃｄｍａ通信装置および送信電力制御方法
GR1006628B (el) 2009-01-28 2009-12-11 Αριστοτελειο Πανεπιστημιο Θεσσαλονικης-Ειδικος Λογαριασμος Αξιοποιησης Κονδυλιων Ερευνας Μεθοδος και συστημα συνδυασμου σηματων με απουσια εκτιμησης κερδους καναλιων, για εφαρμογη σε δεκτες ασυρματων τηλεπικοινωνιακων συστηματων

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2050118A (en) * 1979-04-30 1980-12-31 Post Office Improvements in or relating to space diversity receiving systems
JPS57159138A (en) * 1981-03-27 1982-10-01 Kokusai Denshin Denwa Co Ltd <Kdd> Electromagnetic wave reception system
IT1197781B (it) * 1986-07-18 1988-12-06 Gte Telecom Spa Sistema irradiante a diversita' angolare per radiocollegamenti a diffusione troposferica
JP2663478B2 (ja) * 1988-02-09 1997-10-15 日本電気株式会社 スペースダイバーシテイ受信方式
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
JP2652264B2 (ja) * 1990-07-19 1997-09-10 国際電信電話株式会社 妨害波除去方式及び送受信装置
WO1996008088A1 (fr) * 1994-09-09 1996-03-14 Motorola Inc. Recepteur en diversite dote d'un melangeur pour l'egalisation et transmetteur en diversite dote d'un diviseur et d'un element de retard
AU1469397A (en) * 1995-12-28 1997-07-28 Qualcomm Incorporated Method and apparatus for providing antenna diversity in a portable radiotelephone
JPH10247869A (ja) * 1997-03-04 1998-09-14 Nec Corp ダイバーシティ回路

Also Published As

Publication number Publication date
CN1115800C (zh) 2003-07-23
CA2303540A1 (fr) 1999-04-08
JP2001518736A (ja) 2001-10-16
CN1281603A (zh) 2001-01-24
WO1999017466A1 (fr) 1999-04-08
EP1020042A1 (fr) 2000-07-19
WO1999017466A9 (fr) 1999-06-24
KR20010030790A (ko) 2001-04-16

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Legal Events

Date Code Title Description
MK5 Application lapsed section 142(2)(e) - patent request and compl. specification not accepted