CA2348542C - Variable loop gain in double loop power control systems - Google Patents

Variable loop gain in double loop power control systems Download PDF

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Publication number
CA2348542C
CA2348542C CA002348542A CA2348542A CA2348542C CA 2348542 C CA2348542 C CA 2348542C CA 002348542 A CA002348542 A CA 002348542A CA 2348542 A CA2348542 A CA 2348542A CA 2348542 C CA2348542 C CA 2348542C
Authority
CA
Canada
Prior art keywords
signal
noise ratio
threshold
loop gain
station
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.)
Expired - Fee Related
Application number
CA002348542A
Other languages
English (en)
French (fr)
Other versions
CA2348542A1 (en
Inventor
Leonard N. Schiff
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 CA2348542A1 publication Critical patent/CA2348542A1/en
Application granted granted Critical
Publication of CA2348542C publication Critical patent/CA2348542C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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]
    • 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
    • H04W52/12—Outer and inner loops
    • 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
    • H04W52/20—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. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/225—Calculation of statistics, e.g. average or variance
    • 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
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/228—TPC being performed according to specific parameters taking into account previous information or commands using past power values or 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]
    • H04W52/18—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]
    • H04W52/30—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Feedback Control In General (AREA)
  • Amplifiers (AREA)
CA002348542A 1998-10-29 1999-10-26 Variable loop gain in double loop power control systems Expired - Fee Related CA2348542C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/183,388 1998-10-29
US09/183,388 US6449463B1 (en) 1998-10-29 1998-10-29 Variable loop gain in double loop power control systems
PCT/US1999/025142 WO2000027045A1 (en) 1998-10-29 1999-10-26 Variable loop gain in double loop power control systems

Publications (2)

Publication Number Publication Date
CA2348542A1 CA2348542A1 (en) 2000-05-11
CA2348542C true CA2348542C (en) 2007-05-29

Family

ID=22672595

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002348542A Expired - Fee Related CA2348542C (en) 1998-10-29 1999-10-26 Variable loop gain in double loop power control systems

Country Status (14)

Country Link
US (2) US6449463B1 (https=)
EP (1) EP1131902B1 (https=)
JP (1) JP4435986B2 (https=)
KR (1) KR100749988B1 (https=)
CN (1) CN1331868A (https=)
AT (1) ATE469528T1 (https=)
AU (1) AU758680B2 (https=)
BR (1) BR9914874A (https=)
CA (1) CA2348542C (https=)
DE (1) DE69942423D1 (https=)
HK (1) HK1040843A1 (https=)
RU (1) RU2251799C2 (https=)
TW (1) TW480847B (https=)
WO (1) WO2000027045A1 (https=)

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US6697375B1 (en) * 1999-08-04 2004-02-24 Atheros Communications, Inc. Method and apparatus for bandwidth and frequency management in the U-NII band
US7006842B2 (en) * 2000-02-03 2006-02-28 Motorola, Inc. Communication system transmit power control method
US6781973B1 (en) * 2000-03-30 2004-08-24 Matsushita Electric Industrial Co., Ltd. Combined signaling and sir inner-loop power control
JP2001345755A (ja) * 2000-05-31 2001-12-14 Toshiba Corp 無線通信システムおよび無線装置
US8363744B2 (en) * 2001-06-10 2013-01-29 Aloft Media, Llc Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks
US6876866B1 (en) * 2000-07-13 2005-04-05 Qualcomm Incorporated Multi-state power control mechanism for a wireless communication system
DE10040178A1 (de) 2000-08-17 2002-03-07 Wacker Chemie Gmbh Verdickungsmittel auf der Basis von Vinylalkohol-Mischpolymerisaten
DE60100383T2 (de) * 2000-08-18 2004-05-19 Lucent Technologies Inc. Kanalgestützte Leistungsregelungsverfahren
US6542581B2 (en) * 2001-02-09 2003-04-01 Vdsl Systems Method for controlling the transmission power in a digital subscriber line
US8605686B2 (en) 2001-02-12 2013-12-10 Qualcomm Incorporated Method and apparatus for power control in a wireless communication system
US8199696B2 (en) 2001-03-29 2012-06-12 Qualcomm Incorporated Method and apparatus for power control in a wireless communication system
SE519243C2 (sv) * 2001-06-20 2003-02-04 Ericsson Telefon Ab L M Förfarande och anordning för att minska en linjedrivares effektförbrukning
US6622024B2 (en) * 2001-09-20 2003-09-16 Interdigital Technology Corporation Outer loop transmit power control using channel-adaptive processing
US7330446B2 (en) * 2001-09-21 2008-02-12 Industrial Technology Research Institute Closed-loop power control method for a code-division multiple-access cellular system
US6850771B2 (en) * 2002-06-24 2005-02-01 Qualcomm Incorporated Uplink power control
US7738848B2 (en) 2003-01-14 2010-06-15 Interdigital Technology Corporation Received signal to noise indicator
JP2005159685A (ja) * 2003-11-26 2005-06-16 Nec Corp 送信電力制御システムおよび制御方法
JP4616338B2 (ja) * 2004-06-14 2011-01-19 サムスン エレクトロニクス カンパニー リミテッド 多重送受信アンテナを使用する移動通信システムにおける送信モードを制御するための装置，システム及び方法
US7594151B2 (en) * 2004-06-18 2009-09-22 Qualcomm, Incorporated Reverse link power control in an orthogonal system
US7197692B2 (en) * 2004-06-18 2007-03-27 Qualcomm Incorporated Robust erasure detection and erasure-rate-based closed loop power control
US8452316B2 (en) 2004-06-18 2013-05-28 Qualcomm Incorporated Power control for a wireless communication system utilizing orthogonal multiplexing
WO2006056952A2 (en) * 2004-11-29 2006-06-01 Koninklijke Philips Electronics N.V. Current limiting circuit for rf power amplifier
RU2302077C2 (ru) * 2004-12-23 2007-06-27 Анатолий Борисович Атнашев Способ обработки сигнала
US7460840B2 (en) * 2004-12-28 2008-12-02 Broadcom Corporation Method of test characterization of an analog front end receiver in a communication system
US8942639B2 (en) 2005-03-15 2015-01-27 Qualcomm Incorporated Interference control in a wireless communication system
US8848574B2 (en) 2005-03-15 2014-09-30 Qualcomm Incorporated Interference control in a wireless communication system
US7610058B2 (en) * 2005-03-15 2009-10-27 Alcatel-Lucent Usa Inc. Reverse loop protocol
JPWO2007029618A1 (ja) * 2005-09-09 2009-03-19 日本電気株式会社 移動携帯端末およびその制御方法
US8929908B2 (en) 2005-10-27 2015-01-06 Qualcomm Incorporated Method and apparatus for estimating reverse link loading in a wireless communication system
US8315226B2 (en) 2006-01-05 2012-11-20 Qualcomm Incorporated Power control and handoff with power control commands and erasure indications
KR100770849B1 (ko) 2006-02-17 2007-10-26 삼성전자주식회사 무선 페이딩 환경에서의 압축된 비디오 정합 장치 및 방법
JP4189410B2 (ja) * 2006-06-12 2008-12-03 株式会社東芝 無線通信装置及び送信制御方法
US8670777B2 (en) 2006-09-08 2014-03-11 Qualcomm Incorporated Method and apparatus for fast other sector interference (OSI) adjustment
US8442572B2 (en) 2006-09-08 2013-05-14 Qualcomm Incorporated Method and apparatus for adjustments for delta-based power control in wireless communication systems
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US8886245B2 (en) * 2007-03-09 2014-11-11 Qualcomm Incorporated Messaging scheme for controlling uplink transmit power of a wireless device
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JP4525703B2 (ja) * 2007-05-15 2010-08-18 ソニー株式会社 無線通信装置、プログラム、無線通信方法および無線通信システム
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US10154467B2 (en) * 2012-09-26 2018-12-11 Blackberry Limited Transmit power adjustment for inter-device communication in wireless communication systems
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Also Published As

Publication number Publication date
CN1331868A (zh) 2002-01-16
EP1131902A1 (en) 2001-09-12
KR100749988B1 (ko) 2007-08-16
TW480847B (en) 2002-03-21
CA2348542A1 (en) 2000-05-11
AU1235000A (en) 2000-05-22
US20020111144A1 (en) 2002-08-15
BR9914874A (pt) 2002-02-13
US6449463B1 (en) 2002-09-10
JP4435986B2 (ja) 2010-03-24
AU758680B2 (en) 2003-03-27
JP2002529957A (ja) 2002-09-10
DE69942423D1 (de) 2010-07-08
EP1131902B1 (en) 2010-05-26
WO2000027045A1 (en) 2000-05-11
HK1040843A1 (zh) 2002-06-21
RU2251799C2 (ru) 2005-05-10
KR20010099772A (ko) 2001-11-09
ATE469528T1 (de) 2010-06-15

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