ID25859A - Metode radio rung-waktu praktis untuk peningkatan kapasitas komunikasi cdma - Google Patents

Metode radio rung-waktu praktis untuk peningkatan kapasitas komunikasi cdma

Info

Publication number
ID25859A
ID25859A IDW20000508A ID20000508A ID25859A ID 25859 A ID25859 A ID 25859A ID W20000508 A IDW20000508 A ID W20000508A ID 20000508 A ID20000508 A ID 20000508A ID 25859 A ID25859 A ID 25859A
Authority
ID
Indonesia
Prior art keywords
downlink
signal
approach
rung
radio
Prior art date
Application number
IDW20000508A
Other languages
English (en)
Inventor
Shimon B Scherzer
Original Assignee
Adaptive Telecom 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
Priority claimed from US08/929,638 external-priority patent/US6108565A/en
Application filed by Adaptive Telecom Inc filed Critical Adaptive Telecom Inc
Publication of ID25859A publication Critical patent/ID25859A/id

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
    • 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
    • H04B7/0897—Space-time diversity using beamforming per multi-path, e.g. to cope with different directions of arrival [DOA] at different multi-paths
    • 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
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam 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
    • H04B7/0491—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector 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
    • H04B7/06—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
    • H04B7/0615—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 weighted versions of same signal
    • 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
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Radio Relay Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Transceivers (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Electrotherapy Devices (AREA)
  • Transmitters (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
IDW20000508A 1997-09-15 1998-09-15 Metode radio rung-waktu praktis untuk peningkatan kapasitas komunikasi cdma ID25859A (id)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/929,638 US6108565A (en) 1997-09-15 1997-09-15 Practical space-time radio method for CDMA communication capacity enhancement
US7147398P 1998-01-13 1998-01-13
US7797998P 1998-03-13 1998-03-13
US9315098P 1998-07-17 1998-07-17
US9734098P 1998-08-20 1998-08-20

Publications (1)

Publication Number Publication Date
ID25859A true ID25859A (id) 2000-11-09

Family

ID=27535886

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW20000508A ID25859A (id) 1997-09-15 1998-09-15 Metode radio rung-waktu praktis untuk peningkatan kapasitas komunikasi cdma

Country Status (14)

Country Link
EP (1) EP1062746B1 (id)
JP (2) JP4421106B2 (id)
KR (1) KR100650230B1 (id)
CN (1) CN1305230C (id)
AT (1) ATE262757T1 (id)
AU (1) AU9488598A (id)
CA (1) CA2302547C (id)
DE (1) DE69822672T2 (id)
HK (1) HK1032863A1 (id)
ID (1) ID25859A (id)
IL (1) IL135099A0 (id)
NO (1) NO20001026L (id)
PL (1) PL339462A1 (id)
WO (1) WO1999014870A2 (id)

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Also Published As

Publication number Publication date
KR100650230B1 (ko) 2006-11-24
AU9488598A (en) 1999-04-05
KR20010030605A (ko) 2001-04-16
NO20001026D0 (no) 2000-02-29
EP1062746B1 (en) 2004-03-24
CN1305230C (zh) 2007-03-14
CN1278971A (zh) 2001-01-03
JP4421106B2 (ja) 2010-02-24
CA2302547A1 (en) 1999-03-25
IL135099A0 (en) 2001-05-20
HK1032863A1 (en) 2001-08-03
DE69822672T2 (de) 2005-02-17
EP1062746A2 (en) 2000-12-27
NO20001026L (no) 2000-05-15
JP2010035188A (ja) 2010-02-12
PL339462A1 (en) 2000-12-18
DE69822672D1 (de) 2004-04-29
WO1999014870A3 (en) 1999-06-24
CA2302547C (en) 2005-06-14
JP2003521822A (ja) 2003-07-15
ATE262757T1 (de) 2004-04-15
WO1999014870A2 (en) 1999-03-25

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