AU2001293346A1 - Method and system for closed loop power control in wireless systems - Google Patents

Method and system for closed loop power control in wireless systems

Info

Publication number
AU2001293346A1
AU2001293346A1 AU2001293346A AU9334601A AU2001293346A1 AU 2001293346 A1 AU2001293346 A1 AU 2001293346A1 AU 2001293346 A AU2001293346 A AU 2001293346A AU 9334601 A AU9334601 A AU 9334601A AU 2001293346 A1 AU2001293346 A1 AU 2001293346A1
Authority
AU
Australia
Prior art keywords
power control
closed loop
loop power
wireless systems
wireless
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.)
Abandoned
Application number
AU2001293346A
Inventor
Zoran Gajic
Lijun Qian
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.)
Rutgers State University of New Jersey
Original Assignee
Rutgers State University of New Jersey
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 Rutgers State University of New Jersey filed Critical Rutgers State University of New Jersey
Publication of AU2001293346A1 publication Critical patent/AU2001293346A1/en
Abandoned legal-status Critical Current

Links

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
    • H04W52/18—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. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—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
    • H04W52/226—TPC being performed according to specific parameters taking into account previous information or commands using past references to control power, e.g. look-up-table
    • 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
    • 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
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/223—TPC being performed according to specific parameters taking into account previous information or commands predicting future states of the transmission
    • 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
    • H04W52/58—Format of the TPC bits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2001293346A 2000-04-06 2001-04-06 Method and system for closed loop power control in wireless systems Abandoned AU2001293346A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US19487900P 2000-04-06 2000-04-06
US60/194879 2000-04-06
PCT/US2001/040465 WO2001078250A1 (en) 2000-04-06 2001-04-06 Method and system for closed loop power control in wireless systems

Publications (1)

Publication Number Publication Date
AU2001293346A1 true AU2001293346A1 (en) 2001-10-23

Family

ID=22719224

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001293346A Abandoned AU2001293346A1 (en) 2000-04-06 2001-04-06 Method and system for closed loop power control in wireless systems

Country Status (3)

Country Link
US (2) US6944470B2 (en)
AU (1) AU2001293346A1 (en)
WO (1) WO2001078250A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020172186A1 (en) * 2001-04-09 2002-11-21 Peter Larsson Instantaneous joint transmit power control and link adaptation for RTS/CTS based channel access
WO2003028229A1 (en) * 2001-09-27 2003-04-03 The Regents Of The University Of California Closed loop power control techniques
EP1446896B1 (en) * 2001-12-03 2010-07-07 Telefonaktiebolaget L M Ericsson AB (Publ) Method for link adaptation and transmit power control
KR100820803B1 (en) * 2002-03-11 2008-04-10 엘지전자 주식회사 Carrier-to-Interference reporting method of Reverse channel
JP4025979B2 (en) * 2002-04-24 2007-12-26 日本電気株式会社 Transmission power control method, radio base station and CDMA communication system in CDMA mobile communication system
DE10247581A1 (en) * 2002-10-11 2004-05-06 Fg Microtec Gmbh Method for controlling data transmission in radio networks
CN100461659C (en) * 2002-12-31 2009-02-11 中兴通讯股份有限公司 Power control method of broad band CDMA mobile communication system
US7493133B2 (en) * 2004-02-05 2009-02-17 Qualcomm, Incorporated Power control in ad-hoc wireless networks
JP4458251B2 (en) * 2004-07-13 2010-04-28 日本電気株式会社 Mobile communication system, transmission power control method in mobile communication system, and mobile station
CN1744453B (en) * 2004-08-31 2010-05-26 诺基亚西门子通信系统技术（北京）有限公司 Adaptive uplink closed ring power control method in CDMA system
JP4249108B2 (en) * 2004-09-27 2009-04-02 富士通株式会社 Wireless system
JP4640855B2 (en) * 2005-02-18 2011-03-02 富士通株式会社 Base station and interference reduction method in the base station
US8488459B2 (en) * 2005-03-04 2013-07-16 Qualcomm Incorporated Power control and quality of service (QoS) implementation in a communication system
US7634290B2 (en) * 2005-05-31 2009-12-15 Vixs Systems, Inc. Adjusting transmit power of a wireless communication device
US8971883B2 (en) * 2006-11-07 2015-03-03 Qualcomm Incorporated Registration timer adjustment based on wireless network quality
US7881721B2 (en) * 2007-04-30 2011-02-01 Freescale Semiconductor, Inc. Channel sounding techniques for a wireless communication system
US8265681B2 (en) * 2007-09-12 2012-09-11 Telefonaktiebolaget Lm Ericsson (Publ) Outer loop transmit power control in wireless communication systems
GB0724417D0 (en) * 2007-12-14 2008-01-30 Icera Inc Power control in a wireless communication system
WO2011148211A1 (en) 2010-05-26 2011-12-01 Telefonaktiebolaget L M Ericsson (Publ) Methods and systems for user equipment positioning using intercell interference coordination
TWI470955B (en) 2011-05-20 2015-01-21 Wistron Corp Mobile device, method and computer program product for adjusting radio power
KR101898629B1 (en) * 2017-09-12 2018-09-13 서강대학교산학협력단 Method and device for post-correction of forecasted meteorological parameters by using a H-Infinity filter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5412686A (en) * 1993-09-17 1995-05-02 Motorola Inc. Method and apparatus for power estimation in a communication system
EP0741467A2 (en) 1995-04-25 1996-11-06 AT&T IPM Corp. A method and apparatus for power control in wireless networks
WO1996042146A1 (en) * 1995-06-13 1996-12-27 Ntt Mobile Communications Network Inc. Cdma demodulator
AU3260195A (en) 1995-08-31 1997-03-19 Nokia Telecommunications Oy Method and device for controlling transmission power of a radio transmitter in a cellular communication system
US5864547A (en) * 1996-08-21 1999-01-26 Hughes Electronics Corporation Method and system for controlling uplink power in a high data rate satellite communication system employing on-board demodulation and remodulation
JP3001040B2 (en) 1996-09-20 2000-01-17 日本電気株式会社 Closed loop transmitter power control unit for CDMA cellular system
US6101179A (en) 1997-09-19 2000-08-08 Qualcomm Incorporated Accurate open loop power control in a code division multiple access communication system
JP3397677B2 (en) * 1998-02-10 2003-04-21 松下電器産業株式会社 Transmission power control device and wireless communication device
US6600772B1 (en) * 2000-03-21 2003-07-29 Interdigital Communications Corporation Combined closed loop/open loop power control in a time division duplex communication system

Also Published As

Publication number Publication date
US20030166407A1 (en) 2003-09-04
US20050239489A1 (en) 2005-10-27
WO2001078250A1 (en) 2001-10-18
US6944470B2 (en) 2005-09-13

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