WO2008058143A3 - Methods and apparatus for power allocation and/or rate selection for ul mimo/simo operations with par considerations - Google Patents

Methods and apparatus for power allocation and/or rate selection for ul mimo/simo operations with par considerations Download PDF

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Publication number
WO2008058143A3
WO2008058143A3 PCT/US2007/083814 US2007083814W WO2008058143A3 WO 2008058143 A3 WO2008058143 A3 WO 2008058143A3 US 2007083814 W US2007083814 W US 2007083814W WO 2008058143 A3 WO2008058143 A3 WO 2008058143A3
Authority
WO
WIPO (PCT)
Prior art keywords
mimo
par
value
antenna
power allocation
Prior art date
Application number
PCT/US2007/083814
Other languages
French (fr)
Other versions
WO2008058143A2 (en
Inventor
Durga Prasad Malladi
Hao Xu
Original Assignee
Qualcomm Inc
Durga Prasad Malladi
Hao Xu
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 to US12/444,575 priority Critical patent/US8655396B2/en
Application filed by Qualcomm Inc, Durga Prasad Malladi, Hao Xu filed Critical Qualcomm Inc
Priority to MX2009004840A priority patent/MX2009004840A/en
Priority to JP2009536446A priority patent/JP5384357B2/en
Priority to CA2667096A priority patent/CA2667096C/en
Priority to KR1020097011642A priority patent/KR101122384B1/en
Priority to BRPI0717953-7A2A priority patent/BRPI0717953A2/en
Priority to CN200780041327.1A priority patent/CN101536352B/en
Priority to AU2007316434A priority patent/AU2007316434B2/en
Priority to EP07863989.5A priority patent/EP2115887B1/en
Publication of WO2008058143A2 publication Critical patent/WO2008058143A2/en
Publication of WO2008058143A3 publication Critical patent/WO2008058143A3/en
Priority to IL198233A priority patent/IL198233A/en
Priority to NO20092157A priority patent/NO20092157L/en

Links

Classifications

    • 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
    • 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
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink 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
    • H04B7/0413—MIMO systems
    • H04B7/0426—Power distribution
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • 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
    • 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
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • 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
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes

Abstract

A method for a wireless communication includes receiving or storing a peak to average (PAR) back off value; and applying the PAR back off value to determine the transmission power and rate for SIMO and MIMO transmissions. In one aspect, the PAR back off value is at least partially based on modulation type. In another aspect, the PAR back off value is more for higher order QAM than for QPSK. The power allocation algorithm for different UL MIMO schemes is described as follows. For MIMO without antenna permutation (e.g. per antenna rate control), different PAR back off values are considered for different data streams. For MIMO with antenna permutation or other unitary transformation such as virtual antenna mapping or precoding, the PAR back off are determined based on combined channel. The transmission data rate depends on power and also the receiver algorithms such as a MMSE receiver or MMSE-SIC receiver.
PCT/US2007/083814 2006-11-06 2007-11-06 Methods and apparatus for power allocation and/or rate selection for ul mimo/simo operations with par considerations WO2008058143A2 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
BRPI0717953-7A2A BRPI0717953A2 (en) 2006-11-06 2007-11-06 METHODS AND EQUIPMENT FOR POWER ALLOCATION AND / OR RATE SELECTION FOR UL MIMO / SIMO OPERATIONS WITH PAR CONSIDERATIONS
MX2009004840A MX2009004840A (en) 2006-11-06 2007-11-06 Methods and apparatus for power allocation and/or rate selection for ul mimo/simo operations with par considerations.
JP2009536446A JP5384357B2 (en) 2006-11-06 2007-11-06 Method and apparatus for power allocation and / or rate selection for UL MIMO / SIMO operation with PAR considerations
CA2667096A CA2667096C (en) 2006-11-06 2007-11-06 Methods and apparatus for power allocation and/or rate selection for ul mimo/simo operations with par considerations
KR1020097011642A KR101122384B1 (en) 2006-11-06 2007-11-06 Methods and apparatus for power allocation and/or rate selection for ul mimo/simo operations with par considerations
US12/444,575 US8655396B2 (en) 2006-11-06 2007-11-06 Methods and apparatus for power allocation and/or rate selection for UL MIMO/SIMO operations with PAR considerations
CN200780041327.1A CN101536352B (en) 2006-11-06 2007-11-06 Methods and apparatus for power allocation and/or rate selection for UL MIMO/SIMO operations with par considerations
AU2007316434A AU2007316434B2 (en) 2006-11-06 2007-11-06 Methods and apparatus for power allocation and/or rate selection for UL MIMO/SIMO operations with par considerations
EP07863989.5A EP2115887B1 (en) 2006-11-06 2007-11-06 Methods and apparatus for power allocation and/or rate selection for ul mimo operations with par considerations
IL198233A IL198233A (en) 2006-11-06 2009-04-20 Methods and apparatus for power allocation and/or rate selection for uplink mimo/simo operations with par considerations
NO20092157A NO20092157L (en) 2006-11-06 2009-06-03 Power assignment and / or tempo selection for operation of type UL MIMO / SIMO taking into account PAR

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86457306P 2006-11-06 2006-11-06
US60/864,573 2006-11-06

Publications (2)

Publication Number Publication Date
WO2008058143A2 WO2008058143A2 (en) 2008-05-15
WO2008058143A3 true WO2008058143A3 (en) 2008-08-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/083814 WO2008058143A2 (en) 2006-11-06 2007-11-06 Methods and apparatus for power allocation and/or rate selection for ul mimo/simo operations with par considerations

Country Status (17)

Country Link
US (1) US8655396B2 (en)
EP (1) EP2115887B1 (en)
JP (2) JP5384357B2 (en)
KR (1) KR101122384B1 (en)
CN (2) CN101536352B (en)
AU (1) AU2007316434B2 (en)
BR (1) BRPI0717953A2 (en)
CA (2) CA2667096C (en)
HK (1) HK1206159A1 (en)
IL (1) IL198233A (en)
MX (1) MX2009004840A (en)
MY (1) MY147174A (en)
NO (1) NO20092157L (en)
RU (1) RU2437212C2 (en)
TW (1) TW200830759A (en)
UA (1) UA96960C2 (en)
WO (1) WO2008058143A2 (en)

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