CA2928923C - Self calibration of downlink transmit power - Google Patents

Self calibration of downlink transmit power Download PDF

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Publication number
CA2928923C
CA2928923C CA2928923A CA2928923A CA2928923C CA 2928923 C CA2928923 C CA 2928923C CA 2928923 A CA2928923 A CA 2928923A CA 2928923 A CA2928923 A CA 2928923A CA 2928923 C CA2928923 C CA 2928923C
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CA
Canada
Prior art keywords
transmit power
femto node
access terminal
node
home
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CA2928923A
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English (en)
French (fr)
Other versions
CA2928923A1 (en
Inventor
Mehmet Yavuz
Farhad Meshkati
Mostafa S. El-Khamy
Sanjiv Nanda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
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 CA2928923A1 publication Critical patent/CA2928923A1/en
Application granted granted Critical
Publication of CA2928923C publication Critical patent/CA2928923C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
    • 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
    • H04B17/318—Received signal strength
    • 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
    • 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
    • H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR or Eb/lo
    • 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
    • H04W52/244—Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]
    • 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]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [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. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
CA2928923A 2008-05-13 2009-05-12 Self calibration of downlink transmit power Active CA2928923C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US5296908P 2008-05-13 2008-05-13
US61/052,969 2008-05-13
US12/463,714 2009-05-11
US12/463,714 US8725083B2 (en) 2008-05-13 2009-05-11 Self calibration of downlink transmit power
CA2722170A CA2722170C (en) 2008-05-13 2009-05-12 Self calibration of downlink transmit power

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2722170A Division CA2722170C (en) 2008-05-13 2009-05-12 Self calibration of downlink transmit power

Publications (2)

Publication Number Publication Date
CA2928923A1 CA2928923A1 (en) 2009-11-19
CA2928923C true CA2928923C (en) 2016-11-08

Family

ID=41316628

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2928923A Active CA2928923C (en) 2008-05-13 2009-05-12 Self calibration of downlink transmit power
CA2722170A Active CA2722170C (en) 2008-05-13 2009-05-12 Self calibration of downlink transmit power

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2722170A Active CA2722170C (en) 2008-05-13 2009-05-12 Self calibration of downlink transmit power

Country Status (12)

Country Link
US (2) US8725083B2 (enExample)
EP (1) EP2311193B1 (enExample)
JP (2) JP5350468B2 (enExample)
KR (1) KR101227046B1 (enExample)
CN (2) CN102027786B (enExample)
AU (1) AU2009246492A1 (enExample)
BR (1) BRPI0912734B1 (enExample)
CA (2) CA2928923C (enExample)
IL (1) IL208787A0 (enExample)
MX (1) MX2010012311A (enExample)
TW (1) TWI406519B (enExample)
WO (1) WO2009140312A2 (enExample)

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