HK1074288A1 - Method and apparatus for determining power allocation in a mimo communication system - Google Patents

Method and apparatus for determining power allocation in a mimo communication system

Info

Publication number
HK1074288A1
HK1074288A1 HK05106708A HK05106708A HK1074288A1 HK 1074288 A1 HK1074288 A1 HK 1074288A1 HK 05106708 A HK05106708 A HK 05106708A HK 05106708 A HK05106708 A HK 05106708A HK 1074288 A1 HK1074288 A1 HK 1074288A1
Authority
HK
Hong Kong
Prior art keywords
communication system
power allocation
mimo communication
determining power
determining
Prior art date
Application number
HK05106708A
Other languages
English (en)
Inventor
John W Ketchum
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 HK1074288A1 publication Critical patent/HK1074288A1/xx

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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • 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
    • 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
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H04L5/0025—Spatial division following the spatial signature of the channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H04L5/0046—Determination of how many bits are transmitted on different sub-channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/04—Error control
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0426—Power distribution
    • H04B7/0434—Power distribution using multiple eigenmodes
    • H04B7/0443—Power distribution using multiple eigenmodes utilizing "waterfilling" technique
    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
HK05106708A 2001-10-15 2005-08-04 Method and apparatus for determining power allocation in a mimo communication system HK1074288A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/978,337 US6956907B2 (en) 2001-10-15 2001-10-15 Method and apparatus for determining power allocation in a MIMO communication system
PCT/US2002/032565 WO2003034610A2 (en) 2001-10-15 2002-10-11 Method and apparatus for determining power allocation in a mimo communication system

Publications (1)

Publication Number Publication Date
HK1074288A1 true HK1074288A1 (en) 2005-11-04

Family

ID=25525992

Family Applications (1)

Application Number Title Priority Date Filing Date
HK05106708A HK1074288A1 (en) 2001-10-15 2005-08-04 Method and apparatus for determining power allocation in a mimo communication system

Country Status (10)

Country Link
US (2) US6956907B2 (ja)
EP (1) EP1438792A2 (ja)
JP (1) JP4354815B2 (ja)
KR (1) KR100920696B1 (ja)
CN (1) CN100377508C (ja)
AU (1) AU2002334978A1 (ja)
BR (1) BR0213273A (ja)
HK (1) HK1074288A1 (ja)
TW (1) TWI237958B (ja)
WO (1) WO2003034610A2 (ja)

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Also Published As

Publication number Publication date
CN1606834A (zh) 2005-04-13
CN100377508C (zh) 2008-03-26
US6956907B2 (en) 2005-10-18
WO2003034610A2 (en) 2003-04-24
TWI237958B (en) 2005-08-11
KR20040045834A (ko) 2004-06-02
US7502420B2 (en) 2009-03-10
BR0213273A (pt) 2006-05-23
US20050265281A1 (en) 2005-12-01
AU2002334978A1 (en) 2003-04-28
EP1438792A2 (en) 2004-07-21
JP2005527128A (ja) 2005-09-08
KR100920696B1 (ko) 2009-10-07
WO2003034610A3 (en) 2003-07-10
JP4354815B2 (ja) 2009-10-28
US20030072379A1 (en) 2003-04-17

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