WO2010077107A3 - Ｏｆｄｍａ ｔｄｄ 시스템에서의 상향링크 전력 제어 방법 - Google Patents

Ｏｆｄｍａ ｔｄｄ 시스템에서의 상향링크 전력 제어 방법 Download PDF

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Publication number
WO2010077107A3
WO2010077107A3 PCT/KR2009/008004 KR2009008004W WO2010077107A3 WO 2010077107 A3 WO2010077107 A3 WO 2010077107A3 KR 2009008004 W KR2009008004 W KR 2009008004W WO 2010077107 A3 WO2010077107 A3 WO 2010077107A3
Authority
WO
WIPO (PCT)
Prior art keywords
power control
uplink power
tdd system
ofdma tdd
rssi
Prior art date
Application number
PCT/KR2009/008004
Other languages
English (en)
French (fr)
Other versions
WO2010077107A2 (ko
Inventor
이동관
Original Assignee
주식회사 세아네트워크
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 주식회사 세아네트워크 filed Critical 주식회사 세아네트워크
Priority to US13/142,256 priority Critical patent/US8717969B2/en
Publication of WO2010077107A2 publication Critical patent/WO2010077107A2/ko
Publication of WO2010077107A3 publication Critical patent/WO2010077107A3/ko

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Classifications

    • 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
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • 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
    • 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
    • H04W52/18—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
    • H04W52/245—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
    • 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), 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

본 발명은 OFDMA TDD 시스템에서의 상향링크 전력 제어 방법에 관한 것이다. 본 발명에 따른 상향링크 전력 제어 방법은, 하향링크 신호로부터 측정된 RSSI를 이용하여 RSSI 평균치를 산출하는 단계; 및 상기 RSSI 평균치에 근거하여 상향링크 전력 제어를 수행하는 단계를 포함하고, 상기 RSSI 평균치는 채널 변화율과 링크 대칭성에 따라 결정되는 가중치를 이용하여 산출되는 되는 것을 특징으로 한다.
PCT/KR2009/008004 2008-12-31 2009-12-30 Ｏｆｄｍａ ｔｄｄ 시스템에서의 상향링크 전력 제어 방법 WO2010077107A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/142,256 US8717969B2 (en) 2008-12-31 2009-12-30 Method for uplink power control in OFDMA TDD system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080138908A KR101614085B1 (ko) 2008-12-31 2008-12-31 Ｏｆｄｍａ ｔｄｄ 시스템에서의 상향링크 전력 제어 방법
KR10-2008-0138908 2008-12-31

Publications (2)

Publication Number Publication Date
WO2010077107A2 WO2010077107A2 (ko) 2010-07-08
WO2010077107A3 true WO2010077107A3 (ko) 2010-09-16

Family

ID=42310420

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/008004 WO2010077107A2 (ko) 2008-12-31 2009-12-30 Ｏｆｄｍａ ｔｄｄ 시스템에서의 상향링크 전력 제어 방법

Country Status (3)

Country Link
US (1) US8717969B2 (ko)
KR (1) KR101614085B1 (ko)
WO (1) WO2010077107A2 (ko)

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US9264915B2 (en) * 2011-01-14 2016-02-16 Lg Electronics Inc. Method and device for setting channel status information measuring resource in a wireless communication system
WO2016004622A1 (en) * 2014-07-11 2016-01-14 Qualcomm Incorporated Power scan rssi measurement
US10159047B2 (en) * 2015-05-18 2018-12-18 Qualcomm Incorporated Techniques for managing SIFS-bursting in WLAN system
TWI615047B (zh) * 2017-07-25 2018-02-11 廣達電腦股份有限公司 無線網路系統與無線網路連線方法
CN109547207B (zh) * 2018-11-08 2021-10-22 宁波大学 一种采用2t2r混合结构的物理不可克隆函数电路
CN110335636B (zh) * 2019-07-05 2021-04-02 中国科学院上海微系统与信息技术研究所 相变存储器的多级存储读写方法及系统
US11849402B2 (en) * 2020-10-27 2023-12-19 Viettel Group Method for mobile closed loop power control adapting to user demand of data services

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KR20060064720A (ko) * 2004-12-09 2006-06-14 삼성전자주식회사 이동통신 단말기에서 송신전력제어를 위한 장치 및 방법
US20060159038A1 (en) * 2002-03-06 2006-07-20 Hasty William V Jr System and method for using per-packet receive signal strength indication and transmit power levels to compute path loss for a link for use in layer II routing in a wireless communication network
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KR20060064720A (ko) * 2004-12-09 2006-06-14 삼성전자주식회사 이동통신 단말기에서 송신전력제어를 위한 장치 및 방법
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Also Published As

Publication number Publication date
US8717969B2 (en) 2014-05-06
KR20100080256A (ko) 2010-07-08
WO2010077107A2 (ko) 2010-07-08
KR101614085B1 (ko) 2016-04-20
US20110261731A1 (en) 2011-10-27

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