NO323647B1 - Fremgangsmate, system, sender og mottaker for diversitetssending - Google Patents

Fremgangsmate, system, sender og mottaker for diversitetssending Download PDF

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Publication number
NO323647B1
NO323647B1 NO20010290A NO20010290A NO323647B1 NO 323647 B1 NO323647 B1 NO 323647B1 NO 20010290 A NO20010290 A NO 20010290A NO 20010290 A NO20010290 A NO 20010290A NO 323647 B1 NO323647 B1 NO 323647B1
Authority
NO
Norway
Prior art keywords
feedback
information
signal
feedback signal
constellation
Prior art date
Application number
NO20010290A
Other languages
English (en)
Norwegian (no)
Other versions
NO20010290D0 (no
NO20010290L (no
Inventor
Risto Wichman
Ari Hottinen
Original Assignee
Nokia Networks Oy
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 Nokia Networks Oy filed Critical Nokia Networks Oy
Publication of NO20010290D0 publication Critical patent/NO20010290D0/no
Publication of NO20010290L publication Critical patent/NO20010290L/no
Publication of NO323647B1 publication Critical patent/NO323647B1/no

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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • 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
    • H04B7/0619—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 using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04B7/0602—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 antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters
    • H04B7/061—Antenna selection according to transmission parameters using feedback from receiving side
    • 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
    • H04B7/0619—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 using feedback from receiving side
    • H04B7/0636—Feedback format
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Circuits Of Receivers In General (AREA)
  • Transmitters (AREA)
NO20010290A 1999-05-19 2001-01-18 Fremgangsmate, system, sender og mottaker for diversitetssending NO323647B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/EP1999/003440 WO2000072464A1 (en) 1999-05-19 1999-05-19 Transmit diversity method and system
PCT/EP2000/001127 WO2000072465A1 (en) 1999-05-19 2000-02-11 Transmit diversity method and system

Publications (3)

Publication Number Publication Date
NO20010290D0 NO20010290D0 (no) 2001-01-18
NO20010290L NO20010290L (no) 2001-01-18
NO323647B1 true NO323647B1 (no) 2007-06-18

Family

ID=8167296

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20010290A NO323647B1 (no) 1999-05-19 2001-01-18 Fremgangsmate, system, sender og mottaker for diversitetssending

Country Status (13)

Country Link
US (2) US6754286B2 (ko)
EP (2) EP1179230B1 (ko)
JP (3) JP3404382B2 (ko)
KR (1) KR100555986B1 (ko)
CN (2) CN1196277C (ko)
AT (1) ATE266282T1 (ko)
AU (2) AU4144799A (ko)
BR (1) BR9917298A (ko)
CA (1) CA2371384C (ko)
DE (2) DE69919037T2 (ko)
ES (2) ES2224667T3 (ko)
NO (1) NO323647B1 (ko)
WO (2) WO2000072464A1 (ko)

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