TWI456926B - 正交分頻多工存取系統之反向鏈結功率控制 - Google Patents

正交分頻多工存取系統之反向鏈結功率控制 Download PDF

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Publication number
TWI456926B
TWI456926B TW099114457A TW99114457A TWI456926B TW I456926 B TWI456926 B TW I456926B TW 099114457 A TW099114457 A TW 099114457A TW 99114457 A TW99114457 A TW 99114457A TW I456926 B TWI456926 B TW I456926B
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channel
control channel
data
ack
error
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TW099114457A
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TW201036356A (en
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Khandekar Aamod
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Qualcomm Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel
    • 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
    • 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
    • H04W52/12—Outer and inner loops
    • 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
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel
    • 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
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/20—TPC being performed according to specific parameters using error rate
    • 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
    • H04W52/18—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, Eb/lo
    • 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
    • H04W52/18—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. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—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
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—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
    • H04W52/248—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where transmission power control commands are generated based on a path parameter
    • 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
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • 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
    • H04W52/48—TPC being performed in particular situations during retransmission after error or non-acknowledgment
    • 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
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • 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
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • 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
    • H04W52/08—Closed loop power control

Claims (8)

  1. 一種反向鏈結功率控制之設備，其包括：至少一個處理器，其經組態以：確定一參考發射功率位準；在一資料通道上接收資料封包；在一控制通道上發送對於在該資料通道上所接收之該等資料封包之ACK；根據至少部分在該資料通道上所接收之該等資料封包來偵測在該控制通道上所發送之該等ACK中之錯誤；若在該控制通道上發送一ACK且在該資料通道上接收到一資料封包的一重新傳輸，則宣佈一ACK錯誤；及根據該參考發射功率位準與該控制通道上之該等所偵測錯誤來調整該控制通道之發射功率；及一記憶體，其耦接至該至少一個處理器。
  2. 如請求項1之設備，其中該至少一個處理器經組態以按隱式方式偵測在該控制通道上所發送之該等ACK中之錯誤而不接收指示該等錯誤之回饋。
  3. 一種反向鏈結功率控制之方法，其包括：確定一參考發射功率位準；在一資料通道上接收資料封包；在一控制通道上發送對於在該資料通道上所接收之該等資料封包之ACK； 根據至少部分在該資料通道上所接收之該等資料封包來偵測在該控制通道上所發送之該等ACK中之錯誤；若在該控制通道上發送一ACK且在該資料通道上接收到一資料封包的一重新傳輸，則宣佈一ACK錯誤；及根據該參考發射功率位準與該控制通道上之該等所偵測錯誤來調整該控制通道之發射功率。
  4. 如請求項3之方法，其進一步包括以隱式方式偵測在該控制通道上所發送之該等ACK中之錯誤而不接收指示該等錯誤之回饋。
  5. 一種反向鏈結功率控制之設備，其包括：用於確定一參考發射功率位準之構件；用於在一資料通道上接收資料封包之構件；用於在一控制通道上發送對於在該資料通道上所接收之該等資料封包之ACK之構件；用於根據至少部分在該資料通道上所接收之該等資料封包來偵測在該控制通道上所發送之該等ACK中之錯誤之構件；用於若在該控制通道上發送一ACK且在該資料通道上接收到一資料封包的一重新傳輸，則宣佈一ACK錯誤之構件；及用於根據該參考發射功率位準與該控制通道上之該等所偵測錯誤來調整該控制通道之發射功率之構件。
  6. 如請求項5之設備，其中該用於偵測在該控制通道上所發送之該等ACK中之錯誤之構件尚包括用於以隱式方式 偵測在該控制通道上所發送之該等ACK中之錯誤而不接收指示該等錯誤之回饋之構件。
  7. 一種反向鏈結功率控制之物品，其包括：一非暫時性處理器可讀取媒體，其具有儲存於其中之指令，該等指令可藉由一或多個處理器執行以：確定一參考發射功率位準；經由一資料通道獲得資料封包；經由一控制通道初始化對於經由該資料通道所獲得之該等資料封包之ACK之發送；根據至少部分經由該資料通道所獲得之該等資料封包來偵測經由該控制通道所發送之該等ACK中之錯誤；若經由該控制通道發送一ACK且經由該資料通道獲得一資料封包的一重新傳輸，則宣佈一ACK錯誤；及根據該參考發射功率位準與該控制通道上之該等所偵測錯誤來調整該控制通道之發射功率。
  8. 如請求項7之物品，其中該等指令可藉由該一或多個處理器進一步執行以隱式方式偵測經由該控制通道發送之該等ACK中之錯誤而不接收指示該等錯誤之回饋。
TW099114457A 2005-08-22 2006-08-22 正交分頻多工存取系統之反向鏈結功率控制 TWI456926B (zh)

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US71040405P 2005-08-22 2005-08-22
US75681606P 2006-01-05 2006-01-05

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TW103125907A TWI527396B (zh) 2005-08-22 2006-08-22 正交分頻多工存取系統之反向鏈結功率控制
TW099114457A TWI456926B (zh) 2005-08-22 2006-08-22 正交分頻多工存取系統之反向鏈結功率控制
TW095130825A TWI369863B (en) 2005-08-22 2006-08-22 Reverse link power control for an ofdma system

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US (3) US7965789B2 (zh)
EP (3) EP2521281B1 (zh)
JP (6) JP2009506654A (zh)
KR (4) KR101120193B1 (zh)
CN (3) CN102325363B (zh)
AR (1) AR055131A1 (zh)
DK (1) DK1932251T3 (zh)
ES (2) ES2671945T3 (zh)
HU (1) HUE036936T2 (zh)
PL (1) PL1932251T3 (zh)
PT (1) PT1932251E (zh)
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