BRPI0713322A2 - métodos e equipamentos para medição, comunicação e/ou utilização de informações de interferência - Google Patents

métodos e equipamentos para medição, comunicação e/ou utilização de informações de interferência Download PDF

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Publication number
BRPI0713322A2
BRPI0713322A2 BRPI0713322-7A BRPI0713322A BRPI0713322A2 BR PI0713322 A2 BRPI0713322 A2 BR PI0713322A2 BR PI0713322 A BRPI0713322 A BR PI0713322A BR PI0713322 A2 BRPI0713322 A2 BR PI0713322A2
Authority
BR
Brazil
Prior art keywords
interference information
preamble
equipment
methods
measuring
Prior art date
Application number
BRPI0713322-7A
Other languages
English (en)
Inventor
Gorokhov Alexei
Khandekar Aamod
Palanki Ravi
Prakash Rajat
Original Assignee
Qualcomm Incorporated
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 Incorporated filed Critical Qualcomm Incorporated
Publication of BRPI0713322A2 publication Critical patent/BRPI0713322A2/pt

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Classifications

    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • 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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26132—Structure of the reference signals using repetition
    • 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
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/08—Closed loop power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/247—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where the output power of a terminal is based on a path parameter sent by another terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

MéTODOS E EQUIPAMENTOS PARA MEDIçãO, COMUNICAçãO E/OU UTILIZAçãO DE INFORMAçõES DE INTERFERêNCIA. Métodos e equipamentos de comunicações sem fio são descritos. Um equipamento de comunicações, por exemplo, uma estação base, mede informações de interferência, por exemplo, informações de interferência de outro setor. O equipamento de comunicações gera um preâmbulo que inclui uma pluralidade de simbolos piloto e pelo menos um dos símbolos piloto inclui informações de interferência. Em algumas modalidades, o preâmbulo é parte de uma estrutura de super quadro, por exemplo, uma estrutura de super quadro recorrente, incluindo o preâmbulo e uma pluralidade de quadros, pelo menos alguns dos quadros utilizados para transportar dados de tráfego. O equipamento de comunicações transmite o preâmbulo, realizando broadcast, dessa forma, das informações de interferência para os terminais de acesso nas proximidades. Um terminal de acesso recebe o preâmbulo incluindo uma pluralidade de sinais piloto, pelo menos um dos sinais piloto incluindo informações de interferência, O terminal de acesso recupera as informações de interferência do preâmbulo recebido e controla transmissão de sinal com base nas informações de interferência recuperadas.
BRPI0713322-7A 2006-06-21 2007-06-21 métodos e equipamentos para medição, comunicação e/ou utilização de informações de interferência BRPI0713322A2 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US81566406P 2006-06-21 2006-06-21
US81573306P 2006-06-21 2006-06-21
US60/815,664 2006-06-21
US60/815,733 2006-06-21
US81628106P 2006-06-23 2006-06-23
US60/816,281 2006-06-23
PCT/US2007/071821 WO2007149997A2 (en) 2006-06-21 2007-06-21 Methods and apparatus for measuring, communicating and/or using interference information

Publications (1)

Publication Number Publication Date
BRPI0713322A2 true BRPI0713322A2 (pt) 2012-03-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0713322-7A BRPI0713322A2 (pt) 2006-06-21 2007-06-21 métodos e equipamentos para medição, comunicação e/ou utilização de informações de interferência

Country Status (7)

Country Link
US (2) US8675758B2 (pt)
EP (1) EP2039044A2 (pt)
JP (1) JP5295955B2 (pt)
KR (1) KR101042424B1 (pt)
BR (1) BRPI0713322A2 (pt)
CA (1) CA2653605A1 (pt)
WO (1) WO2007149997A2 (pt)

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Publication number Publication date
WO2007149997A3 (en) 2008-04-10
US20110019770A1 (en) 2011-01-27
KR20090034347A (ko) 2009-04-07
JP5295955B2 (ja) 2013-09-18
WO2007149997A2 (en) 2007-12-27
US8675758B2 (en) 2014-03-18
KR101042424B1 (ko) 2011-06-16
EP2039044A2 (en) 2009-03-25
US20080043879A1 (en) 2008-02-21
US8811512B2 (en) 2014-08-19
CA2653605A1 (en) 2007-12-27
JP2010504003A (ja) 2010-02-04

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