FI111306B - CDMA-mikrosolupuhelinjärjestelmä ja tämän hajautettu antennijärjestelmä - Google Patents

CDMA-mikrosolupuhelinjärjestelmä ja tämän hajautettu antennijärjestelmä Download PDF

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Publication number
FI111306B
FI111306B FI932523A FI932523A FI111306B FI 111306 B FI111306 B FI 111306B FI 932523 A FI932523 A FI 932523A FI 932523 A FI932523 A FI 932523A FI 111306 B FI111306 B FI 111306B
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FI
Finland
Prior art keywords
signal
antenna
signals
users
antennas
Prior art date
Application number
FI932523A
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English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI932523A0 (fi
FI932523A (fi
Inventor
Klein S Gilhousen
Franklin P Antonio
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 FI932523A0 publication Critical patent/FI932523A0/fi
Publication of FI932523A publication Critical patent/FI932523A/fi
Application granted granted Critical
Publication of FI111306B publication Critical patent/FI111306B/fi

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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
    • H04B7/0837—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
    • H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0671—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different delays between antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Near-Field Transmission Systems (AREA)
FI932523A 1990-12-07 1993-06-02 CDMA-mikrosolupuhelinjärjestelmä ja tämän hajautettu antennijärjestelmä FI111306B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US62411890A 1990-12-07 1990-12-07
US62411890 1990-12-07
US9109295 1991-12-06
PCT/US1991/009295 WO1992010890A1 (en) 1990-12-07 1991-12-06 Cdma microcellular telephone system and distributed antenna system therefor

Publications (3)

Publication Number Publication Date
FI932523A0 FI932523A0 (fi) 1993-06-02
FI932523A FI932523A (fi) 1993-08-02
FI111306B true FI111306B (fi) 2003-06-30

Family

ID=24500729

Family Applications (1)

Application Number Title Priority Date Filing Date
FI932523A FI111306B (fi) 1990-12-07 1993-06-02 CDMA-mikrosolupuhelinjärjestelmä ja tämän hajautettu antennijärjestelmä

Country Status (17)

Country Link
US (1) US5280472A (sk)
JP (1) JP3325890B2 (sk)
KR (1) KR970000790B1 (sk)
AU (1) AU652602B2 (sk)
BG (1) BG61052B1 (sk)
BR (1) BR9107213A (sk)
CA (1) CA2097066C (sk)
CZ (1) CZ282725B6 (sk)
FI (1) FI111306B (sk)
HU (1) HU216923B (sk)
IL (1) IL100213A (sk)
MX (1) MX173446B (sk)
NO (1) NO316199B1 (sk)
RO (1) RO119761B1 (sk)
RU (1) RU2111619C1 (sk)
SK (1) SK280276B6 (sk)
WO (1) WO1992010890A1 (sk)

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SK280276B6 (sk) 1999-10-08
FI932523A0 (fi) 1993-06-02
IL100213A0 (en) 1992-09-06
KR970000790B1 (ko) 1997-01-20
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FI932523A (fi) 1993-08-02
NO932041L (no) 1993-06-04
CZ109793A3 (en) 1994-04-13
RO119761B1 (ro) 2005-02-28
NO932041D0 (no) 1993-06-04
SK57193A3 (en) 1993-10-06
HU9301626D0 (en) 1993-09-28
BG97842A (bg) 1994-04-29
RU2111619C1 (ru) 1998-05-20
JP3325890B2 (ja) 2002-09-17
JPH06504660A (ja) 1994-05-26
AU9138691A (en) 1992-07-08
BG61052B1 (bg) 1996-09-30
IL100213A (en) 1995-03-30
MX9102432A (es) 1992-06-01
AU652602B2 (en) 1994-09-01
HUT64655A (en) 1994-01-28
US5280472A (en) 1994-01-18
CZ282725B6 (cs) 1997-09-17
HU216923B (hu) 1999-10-28
MX173446B (es) 1994-03-03
NO316199B1 (no) 2003-12-22
WO1992010890A1 (en) 1992-06-25
BR9107213A (pt) 1993-11-03
CA2097066A1 (en) 1992-06-08

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