TW200644474A - Method and apparatus for power control in a multiple antenna system - Google Patents

Method and apparatus for power control in a multiple antenna system

Info

Publication number
TW200644474A
TW200644474A TW095117042A TW95117042A TW200644474A TW 200644474 A TW200644474 A TW 200644474A TW 095117042 A TW095117042 A TW 095117042A TW 95117042 A TW95117042 A TW 95117042A TW 200644474 A TW200644474 A TW 200644474A
Authority
TW
Taiwan
Prior art keywords
antenna weights
sub
transmission signal
weighted
carriers
Prior art date
Application number
TW095117042A
Other languages
English (en)
Other versions
TWI420843B (zh
Inventor
Tiejun Shan
Original Assignee
Interdigital Tech Corp
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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of TW200644474A publication Critical patent/TW200644474A/zh
Application granted granted Critical
Publication of TWI420843B publication Critical patent/TWI420843B/zh

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • 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
    • H04W52/06—TPC algorithms
    • H04W52/10—Open loop power 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
    • H04B7/0417—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
    • 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
    • H04B7/0623—Auxiliary parameters, e.g. power control [PCB] or not acknowledged commands [NACK], used as feedback information
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/188—Time-out mechanisms
    • 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
    • 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
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
TW095117042A 2005-05-17 2006-05-12 多天線系統中功率控制方法及裝置 TWI420843B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US68186905P 2005-05-17 2005-05-17
US11/240,252 US20060262874A1 (en) 2005-05-17 2005-09-30 Method and apparatus for power control in a multiple antenna system

Publications (2)

Publication Number Publication Date
TW200644474A true TW200644474A (en) 2006-12-16
TWI420843B TWI420843B (zh) 2013-12-21

Family

ID=37432072

Family Applications (5)

Application Number Title Priority Date Filing Date
TW103134092A TW201528848A (zh) 2005-05-17 2006-05-12 多添線系統中功率控制方法及裝置
TW095117042A TWI420843B (zh) 2005-05-17 2006-05-12 多天線系統中功率控制方法及裝置
TW101136607A TWI479826B (zh) 2005-05-17 2006-05-12 多天線系統中功率控制方法及裝置
TW098118461A TWI403110B (zh) 2005-05-17 2006-05-12 無線傳輸/接收單元及用於在無線傳輸/接收單元中實施功率控制之方法及積體電路
TW095208386U TWM302780U (en) 2005-05-17 2006-05-16 Apparatus for power control in a multiple antenna system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
TW103134092A TW201528848A (zh) 2005-05-17 2006-05-12 多添線系統中功率控制方法及裝置

Family Applications After (3)

Application Number Title Priority Date Filing Date
TW101136607A TWI479826B (zh) 2005-05-17 2006-05-12 多天線系統中功率控制方法及裝置
TW098118461A TWI403110B (zh) 2005-05-17 2006-05-12 無線傳輸/接收單元及用於在無線傳輸/接收單元中實施功率控制之方法及積體電路
TW095208386U TWM302780U (en) 2005-05-17 2006-05-16 Apparatus for power control in a multiple antenna system

Country Status (16)

Country Link
US (1) US20060262874A1 (zh)
EP (1) EP1882326A4 (zh)
JP (1) JP2008546249A (zh)
KR (1) KR20060119792A (zh)
CN (2) CN101189822A (zh)
AR (2) AR053607A1 (zh)
AU (2) AU2006247239B8 (zh)
BR (1) BRPI0613201A2 (zh)
CA (1) CA2608875A1 (zh)
DE (1) DE202006007918U1 (zh)
GE (1) GEP20105055B (zh)
IL (1) IL187390A0 (zh)
MX (1) MX2007014383A (zh)
NO (1) NO20076466L (zh)
TW (5) TW201528848A (zh)
WO (1) WO2006124951A2 (zh)

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Also Published As

Publication number Publication date
JP2008546249A (ja) 2008-12-18
TWI420843B (zh) 2013-12-21
AU2006247239B2 (en) 2009-08-13
GEP20105055B (en) 2010-07-26
CA2608875A1 (en) 2006-11-23
TW201528848A (zh) 2015-07-16
IL187390A0 (en) 2008-02-09
AR053607A1 (es) 2007-05-09
WO2006124951A2 (en) 2006-11-23
AR073124A2 (es) 2010-10-13
AU2006247239A1 (en) 2006-11-23
BRPI0613201A2 (pt) 2010-12-28
WO2006124951A3 (en) 2007-12-06
AU2006247239B8 (en) 2010-01-21
NO20076466L (no) 2007-12-14
AU2009236012A1 (en) 2009-11-26
KR20060119792A (ko) 2006-11-24
CN101189822A (zh) 2008-05-28
CN200956585Y (zh) 2007-10-03
EP1882326A2 (en) 2008-01-30
US20060262874A1 (en) 2006-11-23
TWI479826B (zh) 2015-04-01
TWI403110B (zh) 2013-07-21
TW201330529A (zh) 2013-07-16
TWM302780U (en) 2006-12-11
EP1882326A4 (en) 2008-08-20
DE202006007918U1 (de) 2006-10-05
TW201014231A (en) 2010-04-01
MX2007014383A (es) 2008-02-06

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