ES2173716T3 - Control de potencia mejorado, adaptable canales y rapido en cdma. - Google Patents

Control de potencia mejorado, adaptable canales y rapido en cdma.

Info

Publication number
ES2173716T3
ES2173716T3 ES99440072T ES99440072T ES2173716T3 ES 2173716 T3 ES2173716 T3 ES 2173716T3 ES 99440072 T ES99440072 T ES 99440072T ES 99440072 T ES99440072 T ES 99440072T ES 2173716 T3 ES2173716 T3 ES 2173716T3
Authority
ES
Spain
Prior art keywords
power control
adaptable
cdma
channels
fast
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 - Lifetime
Application number
ES99440072T
Other languages
English (en)
Inventor
Paul Bune
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.)
Alcatel Lucent SAS
Nokia Inc
Original Assignee
Alcatel SA
Nokia 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 Alcatel SA, Nokia Inc filed Critical Alcatel SA
Application granted granted Critical
Publication of ES2173716T3 publication Critical patent/ES2173716T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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]
    • 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. 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

Landscapes

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

Abstract

étodo para controlar la potencia transmitida por una unidad en un sistema de transmisión de radio CDMA digital usando un sistema de control de potencia de bucle cerrado basado en un algoritmo operativo que genera comandos para adaptar la potencia transmitida de acuerdo con las características del canal, caracterizado porque consta de: procesamiento de al menos otro algoritmo competitivo diferente de dicho algoritmo operativo. evaluación del funcionamiento de todos los mencionados algoritmos de acuerdo con un criterio de calidad común. sustitución del algoritmo operativo por uno de los mencionados algoritmos competitivos si el último demuestra mejor funcionamiento.
ES99440072T 1999-04-12 1999-04-12 Control de potencia mejorado, adaptable canales y rapido en cdma. Expired - Lifetime ES2173716T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99440072A EP1045530B1 (en) 1999-04-12 1999-04-12 Improved channel adaptive fast power control in CDMA

Publications (1)

Publication Number Publication Date
ES2173716T3 true ES2173716T3 (es) 2002-10-16

Family

ID=8242318

Family Applications (1)

Application Number Title Priority Date Filing Date
ES99440072T Expired - Lifetime ES2173716T3 (es) 1999-04-12 1999-04-12 Control de potencia mejorado, adaptable canales y rapido en cdma.

Country Status (5)

Country Link
US (1) US6760320B1 (es)
EP (1) EP1045530B1 (es)
CN (1) CN1177417C (es)
DE (1) DE69900975T2 (es)
ES (1) ES2173716T3 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6396817B2 (en) * 1998-08-31 2002-05-28 Qualcomm Incorporated Signal splitting method for limiting peak power in a CDMA system
FI991448A7 (fi) * 1999-06-24 2000-12-25 Nokia Corp Lähetystehon säätömenetelmä
DE19958383A1 (de) * 1999-12-03 2001-06-07 Bosch Gmbh Robert Verfahren zur Regelung der Sendeleistung einer Sendestation und Empfangsstation zur Durchführung des Verfahrens
JP3389951B2 (ja) * 2000-02-07 2003-03-24 日本電気株式会社 Ｃｄｍａ移動通信システム及び該ｃｄｍａ移動通信システムにおける下り回線送信電力制御方法
FI115268B (fi) * 2000-05-12 2005-03-31 Nokia Corp Tehonsäätö radiojärjestelmässä
US7415285B2 (en) * 2001-09-27 2008-08-19 The Regents Of The University Of California Reducing power control errors in wireless communication system
US6829468B2 (en) * 2001-03-05 2004-12-07 Lucent Technologies Inc. Reverse-link power control overshoot considering mobile station transmission limitations
US7809087B2 (en) * 2002-04-26 2010-10-05 Qualcomm, Incorporated Power detection techniques and discrete gain state selection for wireless networking
AU2003282005A1 (en) * 2002-10-11 2004-05-04 Telefonaktiebolaget Lm Ericsson (Publ) A method and device for estimating a signal to interference ratio (sir) in wcdma systems
US7916681B2 (en) * 2005-05-20 2011-03-29 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for communication channel error rate estimation
JP2007142640A (ja) * 2005-11-16 2007-06-07 Mitsubishi Electric Corp 情報無線伝送システム
US8228831B2 (en) 2007-08-22 2012-07-24 Telefonaktiebolaget L M Ericsson (Publ) Channel dependent gating
US8233859B2 (en) * 2009-10-30 2012-07-31 Broadcom Corporation Apparatus and method for accurate and efficient transmit power control
JP6011000B2 (ja) * 2011-12-28 2016-10-19 株式会社リコー 伝送管理装置、伝送システム、伝送管理方法およびプログラム
CN103312397A (zh) * 2012-03-16 2013-09-18 华为技术有限公司 一种预编码方法、系统和装置
CN104573028B (zh) 2015-01-14 2019-01-25 百度在线网络技术（北京）有限公司 实现智能问答的方法和系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5257283A (en) * 1989-11-07 1993-10-26 Qualcomm Incorporated Spread spectrum transmitter power control method and system
US5574747A (en) * 1995-01-04 1996-11-12 Interdigital Technology Corporation Spread spectrum adaptive power control system and method
US6347083B1 (en) * 1997-02-24 2002-02-12 Oki Electric Industry Co., Ltd. Transmission power control apparatus for a CDMA system
JP3397677B2 (ja) * 1998-02-10 2003-04-21 松下電器産業株式会社 送信電力制御装置及び無線通信装置
US6169731B1 (en) * 1998-03-10 2001-01-02 Motorola, Inc. Method and apparatus for signal acquisition and power control
US6292519B1 (en) * 1998-03-11 2001-09-18 Telefonaktiebolaget Lm Ericsson (Publ) Correction of signal-to-interference ratio measurements
JP3125776B2 (ja) * 1998-03-27 2001-01-22 日本電気株式会社 セルラシステムにおける送信電力制御方法及び基地局装置
EP1122965B1 (en) * 1998-04-17 2004-01-21 Matsushita Electric Industrial Co., Ltd. Radio communication device and method of controlling transmission rate
US6373823B1 (en) * 1999-01-28 2002-04-16 Qualcomm Incorporated Method and apparatus for controlling transmission power in a potentially transmission gated or capped communication system
US6334047B1 (en) * 1999-04-09 2001-12-25 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive power control in a mobile radio communications system
EP1054518B1 (en) * 1999-05-21 2004-04-28 Alcatel Alsthom Compagnie Generale D'electricite A method for improving performances of a mobile radiocommunication system using power control
DE69915811T2 (de) * 1999-05-21 2004-08-19 Alcatel Verfahren zur Verbesserung der Leistung eines mobilen Radiokommunikationssystems unter Feststellung der Konvergenz des Leistungs-Regelkreises
US6529482B1 (en) * 1999-06-30 2003-03-04 Qualcomm Inc. Method and apparatus for adjusting a signal-to-interference threshold in a closed loop power control communications system
US6493541B1 (en) * 1999-07-02 2002-12-10 Telefonaktiebolaget Lm Ericsson (Publ) Transmit power control time delay compensation in a wireless communications system
ATE293310T1 (de) * 1999-08-23 2005-04-15 Cit Alcatel Verfahren zur leistungssteigerung eines mobilen radiokommunikationssystems unter verwendung eines leistungsregelungs-algorithmus

Also Published As

Publication number Publication date
US6760320B1 (en) 2004-07-06
EP1045530B1 (en) 2002-03-06
EP1045530A1 (en) 2000-10-18
CN1270459A (zh) 2000-10-18
CN1177417C (zh) 2004-11-24
DE69900975D1 (de) 2002-04-11
DE69900975T2 (de) 2002-11-28

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