DE69231437T2 - System zur Steuerung der Sendeleistung mit Gewährleistung einer konstanten Signalqualität in einem Mobilkommunikationsnetzwerk - Google Patents

System zur Steuerung der Sendeleistung mit Gewährleistung einer konstanten Signalqualität in einem Mobilkommunikationsnetzwerk

Info

Publication number
DE69231437T2
DE69231437T2 DE69231437T DE69231437T DE69231437T2 DE 69231437 T2 DE69231437 T2 DE 69231437T2 DE 69231437 T DE69231437 T DE 69231437T DE 69231437 T DE69231437 T DE 69231437T DE 69231437 T2 DE69231437 T2 DE 69231437T2
Authority
DE
Germany
Prior art keywords
controlling
mobile communication
communication network
transmission power
signal quality
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
DE69231437T
Other languages
English (en)
Other versions
DE69231437D1 (de
Inventor
Toshihito Kanai
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of DE69231437D1 publication Critical patent/DE69231437D1/de
Application granted granted Critical
Publication of DE69231437T2 publication Critical patent/DE69231437T2/de
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. 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • 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
    • H04W52/18—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, variance
    • 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
DE69231437T 1991-12-26 1992-12-23 System zur Steuerung der Sendeleistung mit Gewährleistung einer konstanten Signalqualität in einem Mobilkommunikationsnetzwerk Expired - Lifetime DE69231437T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34562591 1991-12-26

Publications (2)

Publication Number Publication Date
DE69231437D1 DE69231437D1 (de) 2000-10-19
DE69231437T2 true DE69231437T2 (de) 2001-03-01

Family

ID=18377873

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69231437T Expired - Lifetime DE69231437T2 (de) 1991-12-26 1992-12-23 System zur Steuerung der Sendeleistung mit Gewährleistung einer konstanten Signalqualität in einem Mobilkommunikationsnetzwerk

Country Status (4)

Country Link
US (1) US5386589A (de)
EP (1) EP0548939B1 (de)
JP (1) JP2823034B2 (de)
DE (1) DE69231437T2 (de)

Families Citing this family (158)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ255617A (en) * 1992-09-04 1996-11-26 Ericsson Telefon Ab L M Tdma digital radio: measuring path loss and setting transmission power accordingly
US5471650A (en) * 1993-01-07 1995-11-28 Northern Telecom Limited Radio link parameter control in wireless personal communications system
WO1994018756A1 (en) * 1993-02-11 1994-08-18 Motorola, Inc. Method and apparatus for controlling a power level of a subscriber unit of a wireless communication system
JPH06326631A (ja) * 1993-05-17 1994-11-25 Sony Corp 無線通信機
FI108179B (fi) * 1993-09-03 2001-11-30 Nokia Networks Oy Menetelmä lähetystehon säätämiseksi radiopuhelinjärjestelmässä ja radiopuhelinkeskus
JP3291731B2 (ja) * 1993-09-24 2002-06-10 ノキア テレコミュニカシオンス オサケ ユキチュア Ｃｄｍａセルラ通信システムにおける信号の質を制御する方法及び装置
JP2911090B2 (ja) * 1993-09-29 1999-06-23 エヌ・ティ・ティ移動通信網株式会社 移動通信の基地局装置及び移動局装置
US5602869A (en) * 1993-10-18 1997-02-11 Paradyne Corporation Adaptive transmit levels for modems operating over cellular
US5383219A (en) * 1993-11-22 1995-01-17 Qualcomm Incorporated Fast forward link power control in a code division multiple access system
GB2287379B (en) * 1994-03-10 1998-06-10 Roke Manor Research Apparatus for use in a mobile radio system
JP2904335B2 (ja) * 1994-04-27 1999-06-14 エヌ・ティ・ティ移動通信網株式会社 送信電力制御方法および移動局装置
JP2974274B2 (ja) * 1994-05-12 1999-11-10 エヌ・ティ・ティ移動通信網株式会社 送信電力制御方法および送信電力制御装置
JP2993554B2 (ja) * 1994-05-12 1999-12-20 エヌ・ティ・ティ移動通信網株式会社 送信電力制御法および前記送信電力制御法を用いた通信装置
JPH07336291A (ja) * 1994-06-07 1995-12-22 Nec Corp 移動通信における送信出力制御装置
US5551057A (en) * 1994-06-08 1996-08-27 Lucent Technologies Inc. Cellular mobile radio system power control
JP2991367B2 (ja) * 1994-06-22 1999-12-20 エヌ・ティ・ティ移動通信網株式会社 チャネル棲み分け方法
US5666649A (en) * 1994-09-01 1997-09-09 Ericsson Inc. Communications system having variable system performance capability
US6091954A (en) * 1994-09-01 2000-07-18 Telefonaktiebolaget Lm Ericsson Channel assignment in enhanced fixed-plan mobile communications systems
US5857154A (en) * 1994-09-30 1999-01-05 Hughes Electronics Corporation Multiprotocol mobile telephone network having high tier and low tier systems
US5873028A (en) * 1994-10-24 1999-02-16 Ntt Mobile Communications Network Inc. Transmission power control apparatus and method in a mobile communication system
US5551059A (en) * 1994-10-31 1996-08-27 Motorola, Inc. Method and system for intelligent cell selection using doppler data in cellular systems
US5551058A (en) * 1994-10-31 1996-08-27 Motorola, Inc. Method and system for intelligent cell selection using location data in cellular systems
US5727033A (en) * 1994-11-30 1998-03-10 Lucent Technologies Inc. Symbol error based power control for mobile telecommunication system
EP1300966B1 (de) * 1994-12-13 2007-02-07 NTT DoCoMo, Inc. Mobile Satelliten Kommunikationsanordnung
US6101399A (en) * 1995-02-22 2000-08-08 The Board Of Trustees Of The Leland Stanford Jr. University Adaptive beam forming for transmitter operation in a wireless communication system
US6006110A (en) * 1995-02-22 1999-12-21 Cisco Technology, Inc. Wireless communication network using time-varying vector channel equalization for adaptive spatial equalization
US7286855B2 (en) 1995-02-22 2007-10-23 The Board Of Trustees Of The Leland Stanford Jr. University Method and apparatus for adaptive transmission beam forming in a wireless communication system
FR2731571A1 (fr) * 1995-03-08 1996-09-13 Philips Electronique Lab Systeme de communication muni de moyens pour tester un canal de transmission et procede de test
WO1996031009A1 (en) * 1995-03-27 1996-10-03 Celsat America, Inc. Cellular communications power control system
JP2944459B2 (ja) 1995-04-07 1999-09-06 日本電気株式会社 移動通信システムにおける送信電力制御方法
US5761622A (en) * 1995-05-18 1998-06-02 Ericsson Inc. Method and apparatus for controlling operation of a portable or mobile battery-operated radios
US5710981A (en) * 1995-05-23 1998-01-20 Ericsson Inc. Portable radio power control device and method using incrementally degraded received signals
US5710982A (en) * 1995-06-29 1998-01-20 Hughes Electronics Power control for TDMA mobile satellite communication system
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US7123600B2 (en) * 1995-06-30 2006-10-17 Interdigital Technology Corporation Initial power control for spread-spectrum communications
US6885652B1 (en) 1995-06-30 2005-04-26 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US7020111B2 (en) * 1996-06-27 2006-03-28 Interdigital Technology Corporation System for using rapid acquisition spreading codes for spread-spectrum communications
US7929498B2 (en) 1995-06-30 2011-04-19 Interdigital Technology Corporation Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
FI100157B (fi) * 1995-07-12 1997-09-30 Nokia Mobile Phones Ltd Muuttuvanopeuksiset piirikytketyt siirtopalvelut TDMA-pohjaisissa solu kkojärjestelmissä
US5841782A (en) * 1995-08-22 1998-11-24 Motorola, Inc. System and method for indicating errored messages
WO1997008847A1 (en) * 1995-08-31 1997-03-06 Nokia Telecommunications Oy Method and device for controlling transmission power of a radio transmitter in a cellular communication system
JP2739850B2 (ja) * 1995-10-11 1998-04-15 日本電気株式会社 移動体通信システム
JP2773721B2 (ja) * 1995-12-28 1998-07-09 日本電気株式会社 送信電力制御方式
JP2959458B2 (ja) * 1996-01-19 1999-10-06 日本電気株式会社 送信電力制御方法
US5745520A (en) * 1996-03-15 1998-04-28 Motorola, Inc. Method and apparatus for power control in a spread spectrum communication system using threshold step-down size adjustment
US5778030A (en) * 1996-03-15 1998-07-07 Motorola, Inc. Method and apparatus for power control in a communication system
JP2738384B2 (ja) * 1996-03-18 1998-04-08 日本電気株式会社 送信電力制御方法
US5842113A (en) * 1996-04-10 1998-11-24 Lucent Technologies Inc. Method and apparatus for controlling power in a forward link of a CDMA telecommunications system
WO1997039545A1 (fr) * 1996-04-12 1997-10-23 Ntt Mobile Communications Network Inc. Procede et instrument permettant de mesurer le sir de reception et dispositif de commande de puissance d'emission
US5815507A (en) * 1996-04-15 1998-09-29 Motorola, Inc. Error detector circuit for digital receiver using variable threshold based on signal quality
SE515509C2 (sv) * 1996-04-29 2001-08-20 Radio Design Innovation Tj Ab Adaptivt luftgränssnitt
US5774785A (en) * 1996-06-20 1998-06-30 Telefonaktiebolaget Lm Ericsson Adaptive quality adjustment
CN1102308C (zh) 1996-06-27 2003-02-26 Ntt移动通信网株式会社 发送功率控制器
US6067446A (en) * 1996-07-11 2000-05-23 Telefonaktiebolaget Lm Ericsson Power presetting in a radio communication system
WO1998018271A2 (en) 1996-10-18 1998-04-30 Watkins Johnson Company Wireless communication network using time-varying vector channel equalization for adaptive spatial equalization
JP2923867B2 (ja) * 1996-10-28 1999-07-26 日本電気株式会社 送信電力制御方式
KR100496528B1 (ko) 1996-11-27 2005-09-30 가부시끼가이샤 히다치 세이사꾸쇼 이동통신시스템송신전력제어방법및장치
KR100454935B1 (ko) * 1997-04-11 2004-12-23 삼성전자주식회사 기지국에서의 송신출력 제어방법
US6072990A (en) * 1997-05-08 2000-06-06 Lucent Technologies, Inc. Transmitter-receiver pair for wireless network power-code operating point is determined based on error rate
JP3180717B2 (ja) * 1997-05-26 2001-06-25 株式会社デンソー 自動料金収受システムに用いられる車載機のしきい値調整方法
US6173162B1 (en) 1997-06-16 2001-01-09 Telefonaktiebolaget Lm Ericsson (Publ) Multiple code channel power control in a radio communication system
US6084904A (en) * 1997-07-25 2000-07-04 Motorola, Inc. Method and apparatus for adjusting a power control setpoint threshold in a wireless communication system
US6711415B1 (en) * 1997-10-03 2004-03-23 Nortel Networks Limited Method and system for minimizing transmitter power levels within a cellular telephone communications network
US6185432B1 (en) * 1997-10-13 2001-02-06 Qualcomm Incorporated System and method for selecting power control modes
AU757622B2 (en) * 1997-10-13 2003-02-27 Qualcomm Incorporated Apparatus and method for optimized power control
US6259928B1 (en) 1997-10-13 2001-07-10 Qualcomm Inc. System and method for optimized power control
IL130559A (en) * 1997-10-20 2003-06-24 Comsat Corp Method for generation of accurate doppler-free local clock in satellite/wireless networks
US20020051434A1 (en) * 1997-10-23 2002-05-02 Ozluturk Fatih M. Method for using rapid acquisition spreading codes for spread-spectrum communications
US9118387B2 (en) * 1997-11-03 2015-08-25 Qualcomm Incorporated Pilot reference transmission for a wireless communication system
US7184426B2 (en) * 2002-12-12 2007-02-27 Qualcomm, Incorporated Method and apparatus for burst pilot for a time division multiplex system
JPH11145899A (ja) * 1997-11-10 1999-05-28 Matsushita Electric Ind Co Ltd 送受信装置及び無線伝送システム
US6253092B1 (en) * 1997-11-25 2001-06-26 Uniden Financial, Inc. Closed loop transmitter with DAC sensitivity adjusted to detector nonlinearity
US6148194A (en) * 1997-12-10 2000-11-14 Nortel Networks Corporation Method for determining cell boundary during base station deployment
JPH11196456A (ja) * 1998-01-05 1999-07-21 Oki Electric Ind Co Ltd 送信電力制御装置
US6603751B1 (en) 1998-02-13 2003-08-05 Qualcomm Incorporated Method and system for performing a handoff in a wireless communication system, such as a hard handoff
US6449462B1 (en) * 1998-02-27 2002-09-10 Telefonaktiebolaget L M Ericsson (Publ) Method and system for quality-based power control in cellular communications systems
JPH11262066A (ja) * 1998-03-12 1999-09-24 Sony Corp 携帯通信端末
US6965780B1 (en) * 1998-03-31 2005-11-15 Lucent Technologies Inc. Reverse link outer loop power control with adaptive compensation
US6070074A (en) * 1998-04-24 2000-05-30 Trw Inc. Method for enhancing the performance of a regenerative satellite communications system
JP3058271B2 (ja) * 1998-04-28 2000-07-04 日本電気株式会社 無線選択呼び出し受信機
US20030194033A1 (en) 1998-05-21 2003-10-16 Tiedemann Edward G. Method and apparatus for coordinating transmission of short messages with hard handoff searches in a wireless communications system
US6137994A (en) * 1998-05-29 2000-10-24 Motorola, Inc. Radio communication system and method for setting an output power of a base site therein
JPH11355204A (ja) * 1998-06-04 1999-12-24 Nec Corp Ｃｄｍａ移動通信システム及びｃｄｍａ移動通信システムにおける送信電力制御方法
GB9817292D0 (en) * 1998-08-07 1998-10-07 Nokia Mobile Phones Ltd Digital video coding
KR100339034B1 (ko) * 1998-08-25 2002-10-11 삼성전자 주식회사 부호분할다중접속통신시스템의제어유지상태에서역방향폐루프전력제어장치및방법
JP4106136B2 (ja) * 1998-09-04 2008-06-25 新潟精密株式会社 通信装置の計測方式
JP2000091985A (ja) * 1998-09-08 2000-03-31 Hitachi Ltd 通信システムの電力制御方法
US6519236B1 (en) 1998-09-18 2003-02-11 Telefonaktiebolaget Lm Ericsson (Publ) Automatic power control in uncoordinated frequency-hopping radio systems
JP2002526973A (ja) * 1998-09-29 2002-08-20 トライトン、ネトウァーク、システィムズ、インク ポイントトゥポイント通信におけるコチャネル干渉を制御する方法及びシステム
JP3150115B2 (ja) * 1998-11-12 2001-03-26 埼玉日本電気株式会社 Ｃｄｍａ開ループ制御における上りチャネル干渉補正方法及びそのシステム
US6587672B1 (en) * 1998-12-02 2003-07-01 Lucent Technologies Inc. Methods and apparatus for enhanced power ramping via multi-threshold detection
US6587446B2 (en) 1999-02-11 2003-07-01 Qualcomm Incorporated Handoff in a wireless communication system
GB9906005D0 (en) * 1999-03-17 1999-05-12 Motorola Ltd A subscriber unit and method of cell selection for a cellular communication system
US6629151B1 (en) 1999-03-18 2003-09-30 Microsoft Corporation Method and system for querying the dynamic aspects of wireless connection
GB9906198D0 (en) * 1999-03-18 1999-05-12 Lucent Technologies Inc Improved random access channel
JP3346332B2 (ja) 1999-04-16 2002-11-18 日本電気株式会社 符号分割多元接続方式移動通信システム
DE69919519T2 (de) * 1999-06-16 2005-02-03 Alcatel Verfahren zur Leistungsverbesserung eines mobilen Funkkommunikationssystems unter Verwendung eines Leistungsregelungsalgorithmus
KR20020014813A (ko) * 1999-06-23 2002-02-25 밀러 럿셀 비 Ｃｄｍａ 통신 시스템에서의 전송 전력 제어 방법 및 장치
EP1063785B1 (de) * 1999-06-23 2007-02-14 Sony Deutschland GmbH Senderleistungssteuerung für Netzwerkgeräte in einem drahtlosen Netzwerk
ES2314329T3 (es) * 1999-07-13 2009-03-16 Alcatel Lucent Metodo para mejorar la caracterisiticas de funcionamiento de un sistema movil de radiocomunicacion que utiliza un algoritmo de control de potencia.
US6480472B1 (en) * 1999-07-21 2002-11-12 Qualcomm Incorporated Mobile station supervision of the forward dedicated control channel when in the discontinuous transmission mode
US8064409B1 (en) 1999-08-25 2011-11-22 Qualcomm Incorporated Method and apparatus using a multi-carrier forward link in a wireless communication system
US6621804B1 (en) 1999-10-07 2003-09-16 Qualcomm Incorporated Method and apparatus for predicting favored supplemental channel transmission slots using transmission power measurements of a fundamental channel
JP3494937B2 (ja) * 1999-11-30 2004-02-09 松下電器産業株式会社 無線通信装置および送信電力制御方法
US6735259B1 (en) * 1999-12-20 2004-05-11 Nortel Networks Limited Method and apparatus for optimization of a data communications system using sacrificial bits
US7006842B2 (en) * 2000-02-03 2006-02-28 Motorola, Inc. Communication system transmit power control method
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
GB0008117D0 (en) * 2000-04-03 2000-05-24 Nokia Networks Oy Estimating communication quality
SG109450A1 (en) 2000-04-06 2005-03-30 Ntt Docomo Inc Multicast signal transmission power control method and base station using the same
DE10017930A1 (de) * 2000-04-11 2001-11-15 Siemens Ag Verfahren zur Sendeleistungsregelung in einem Funk-SIGMAommunikationssystem
JP3573073B2 (ja) * 2000-08-09 2004-10-06 日本電気株式会社 送信電力制御システム及びそれに用いる送信電力制御方法
US6973098B1 (en) * 2000-10-25 2005-12-06 Qualcomm, Incorporated Method and apparatus for determining a data rate in a high rate packet data wireless communications system
US7068683B1 (en) 2000-10-25 2006-06-27 Qualcomm, Incorporated Method and apparatus for high rate packet data and low delay data transmissions
KR20020093328A (ko) * 2001-06-08 2002-12-16 주식회사 하이닉스반도체 시디엠에이 방식 통신 시스템에서 순방향 링크 채널스케줄링 방법
US7292601B2 (en) * 2001-06-19 2007-11-06 At&T Corp. Error-rate management in wireless systems
JP3838487B2 (ja) * 2001-08-10 2006-10-25 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム、通信端末装置、基地局装置、及び送信電力制御方法
WO2003071717A1 (en) * 2002-02-19 2003-08-28 Interdigital Technology Corporation Method for biasing criteria in a wireless system
US6760598B1 (en) * 2002-05-01 2004-07-06 Nokia Corporation Method, device and system for power control step size selection based on received signal quality
GB0211005D0 (en) * 2002-05-15 2002-06-26 Ipwireless Inc System,transmitter,receiver and method for communication power control
GB2389486A (en) * 2002-06-08 2003-12-10 Motorola Inc A communication network and method of setting an error rate therefor
US20060171335A1 (en) * 2005-02-03 2006-08-03 Michael Yuen Backup channel selection in wireless LANs
US7423976B2 (en) * 2002-09-24 2008-09-09 Interdigital Technology Corporation Block error rate estimate reporting for target signal to interference ratio adjustment
US7200171B2 (en) * 2003-01-21 2007-04-03 Sony Ericsson Mobile Communications Ab System and method for estimating initial channel quality in a multirate system
US7869822B2 (en) * 2003-02-24 2011-01-11 Autocell Laboratories, Inc. Wireless network apparatus and system field of the invention
US20040202122A1 (en) * 2003-02-24 2004-10-14 Floyd Backes Wireless access point protocol program
JP4378676B2 (ja) * 2003-06-03 2009-12-09 日本電気株式会社 電力制御方法および電力制御回路
US7129753B2 (en) * 2004-05-26 2006-10-31 Infineon Technologies Ag Chip to chip interface
US7239886B2 (en) * 2004-08-27 2007-07-03 Motorola, Inc. Adaptive power control method for cellular systems
US20060171305A1 (en) * 2005-02-03 2006-08-03 Autocell Laboratories, Inc. Access point channel forecasting for seamless station association transition
US20060171304A1 (en) * 2005-02-03 2006-08-03 Hill David R WLAN background scanning
US20060200710A1 (en) * 2005-03-04 2006-09-07 Azea Networks, Ltd. Bit error rate performance estimation and control
US8126065B2 (en) * 2005-03-23 2012-02-28 Sony Corporation Automatic power adjustment in powerline home network
US20060233279A1 (en) * 2005-04-13 2006-10-19 Ryder Brian D System and method of adjusting output voltage of a transmitter based on error rate
US7634290B2 (en) 2005-05-31 2009-12-15 Vixs Systems, Inc. Adjusting transmit power of a wireless communication device
US8411616B2 (en) 2005-11-03 2013-04-02 Piccata Fund Limited Liability Company Pre-scan for wireless channel selection
DE102006008463A1 (de) * 2006-02-17 2007-08-23 Kaco Gmbh + Co. Kg Prüfvorrichtung zur Erfassung der Dampfemission an wenigstens einer Leckagestelle, vorzugsweise bei Gleitringdichtungen, insbesondere im automotiven Bereich
EP1909521A1 (de) * 2006-10-02 2008-04-09 Matsushita Electric Industrial Co., Ltd. Methode zur Unterstützung der Servicequaliät über die Lebensdauer einer Verbindung
KR100779098B1 (ko) * 2006-11-16 2007-11-27 한국전자통신연구원 주파수 공유를 위한 초광대역시스템의 송수신장치 및송수신방법
US20080119140A1 (en) * 2006-11-21 2008-05-22 James Maligeorgos System and method for reducing interference in a highly integrated radio frequency apparatus
KR100856195B1 (ko) 2007-01-05 2008-09-03 삼성전자주식회사 가시광 통신에서의 전력 제어 방법 및 이를 이용한 수신장치
EP1953979A1 (de) * 2007-01-30 2008-08-06 Nokia Siemens Networks Gmbh & Co. Kg Verfahren und Vorrichtung zum Senden eines Sendesignals, insbesondere eines Mobilfunksignals
JP2009029233A (ja) * 2007-07-26 2009-02-12 Omron Corp 車両用エントリーシステム
PL2329629T3 (pl) * 2008-08-20 2013-08-30 Qualcomm Inc Przesunięcie wieloramek pomiędzy sąsiednimi komórkami dla poprawy wydajności sygnalizacji sieci GERAN przy stosowanym sterowaniu mocą sygnalizacji
US8964692B2 (en) 2008-11-10 2015-02-24 Qualcomm Incorporated Spectrum sensing of bluetooth using a sequence of energy detection measurements
PL2430869T3 (pl) 2009-05-11 2014-05-30 Qualcomm Inc Przesuwanie czasowe transmisji danych wspólnego kanału w celu zmniejszenia zakłóceń wspólnego kanału
US8811200B2 (en) * 2009-09-22 2014-08-19 Qualcomm Incorporated Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
CN105591991A (zh) * 2009-12-15 2016-05-18 意法半导体研发(深圳)有限公司 数据通信装置、系统和方法
CN101945467A (zh) * 2010-09-19 2011-01-12 中兴通讯股份有限公司 通讯质量的保障方法及系统、移动终端
US8667167B2 (en) * 2011-11-28 2014-03-04 Huawei Technologies Co., Ltd. Method and network device for controlling transmission rate of communication interface
US9629099B2 (en) 2013-01-24 2017-04-18 Panasonic Intellectual Property Management Co., Ltd. Radio communication apparatus and transmission power control method
JP6111817B2 (ja) 2013-04-24 2017-04-12 富士通株式会社 基地局，通信システム
WO2015163013A1 (ja) 2014-04-25 2015-10-29 ソニー株式会社 無線通信装置、無線通信方法、及び無線通信システム
US9667312B2 (en) * 2015-01-13 2017-05-30 Hughes Network Systems, Llc Radio based automatic level control for linear radio calibration
CN112703781B (zh) * 2018-11-19 2022-12-20 深圳市欢太科技有限公司 一种无线信号发送方法、无线信号发送装置及终端设备
CN110475332A (zh) * 2019-08-30 2019-11-19 南京大鱼半导体有限公司 调整功率的方法、装置、存储介质以及终端
JP7342657B2 (ja) * 2019-11-28 2023-09-12 株式会社デンソー 通信システム
TWI743841B (zh) 2020-06-17 2021-10-21 啟碁科技股份有限公司 抑制無線功率變化之方法及其裝置
CN115334584B (zh) * 2022-10-09 2023-02-28 荣耀终端有限公司 数据传输方法及电子设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309771A (en) * 1979-07-02 1982-01-05 Farinon Corporation Digital radio transmission system
GB2132452B (en) * 1982-12-08 1986-10-08 Racel Ses Limited Radio systems
DE3417233A1 (de) * 1984-05-10 1985-11-14 Standard Elektrik Lorenz Ag, 7000 Stuttgart Funksystem
FR2592256B1 (fr) * 1985-12-20 1988-02-12 Trt Telecom Radio Electr Dispositif d'asservissement de la puissance d'emission d'un faisceau hertzien
DE3736020A1 (de) * 1987-10-23 1989-05-03 Bosch Gmbh Robert Funknetz
JPH01289324A (ja) * 1988-05-17 1989-11-21 Fujitsu Ltd 無線データ伝送方式
JPH0626343B2 (ja) * 1988-12-16 1994-04-06 日本電気株式会社 変復調装置のデータ伝送速度自動切替方式
JPH03127519A (ja) * 1989-10-12 1991-05-30 Nec Corp 無線信号送受信機
US5056109A (en) * 1989-11-07 1991-10-08 Qualcomm, Inc. Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
FI86352C (fi) * 1989-11-14 1992-08-10 Nokia Oy Ab Digitaliskt radiolaenksystem och foerfarande foer reglering av en saendingseffekt i ett digitaliskt radiolaenksystem.

Also Published As

Publication number Publication date
EP0548939B1 (de) 2000-09-13
EP0548939A3 (en) 1994-09-21
JP2823034B2 (ja) 1998-11-11
EP0548939A2 (de) 1993-06-30
DE69231437D1 (de) 2000-10-19
JPH05244056A (ja) 1993-09-21
US5386589A (en) 1995-01-31

Similar Documents

Publication Publication Date Title
DE69231437T2 (de) System zur Steuerung der Sendeleistung mit Gewährleistung einer konstanten Signalqualität in einem Mobilkommunikationsnetzwerk
DE69232025D1 (de) Koppelnetz mit verteilter Steuerung für Fernsprechverbindungen
FI940983A0 (fi) Menetelmä lähetystehon säätämiseksi viestintäjärjestelmässä
DE69228664D1 (de) System zur Anlagensteuerung mit einem gemeinsamen Kommunikationskanal
DE69031580T2 (de) System zur Steuerung der Datenübertragung in einem ATM-Vermittlungsnetz
DE69025013D1 (de) Kommunikationsendgerät mit Vorrichtung zur Regelung der Leistungsübertragung
DE69126266T2 (de) Lokales Netzwerk mit einer drahtlosen Übertragungsstrecke
DE69725261D1 (de) System zur Übermittlung des Netzwerkverkehrs in einem Kommunikationsnetzwerk
DE3583273D1 (de) Netzwerk zur spannungsversorgungskontrolle mit betriebsicherem kommunikationsprotokoll.
GB2258743B (en) Network management control
DE69119352T2 (de) Verteiltes Steuerungsverfahren zum Verwalten von wanderden Stationen in einem drahtlosen Übertragungsnetzwerk
DE69025263D1 (de) Kommunikationssystem mit einem Rufempfänger und einem Übertragungsgerät
GB2279837B (en) Optical communication network
DE69021642D1 (de) Funkübertragungssystem mit einer Frequenz.
DE69228676D1 (de) Zellulares funksystem mit gemeinsamen funkhauptnetz
GB9112898D0 (en) Communication networks
AU8636391A (en) Network traffic management
DE69132794T2 (de) Optische Kommunikationssysteme mit koaxialem Koppler
GB9217374D0 (en) Wireless local area network transmission system
DE69419255T2 (de) Kommunikationssystem mit verkehrsverteilung über mehrere wege
DE69534236D1 (de) Sendeleistungsregelung in einem mobilen Satelliten Kommunikationssystem
DE69128172T2 (de) Kommunikationssystem zwischen lokalen netzwerken mit unterschiedlichen geräten
DE59511066D1 (de) Übertragungssystem mit einem Regelkreis
DE69231406D1 (de) Netzwerk mit Leitungsüberwachungssystem
DE59700730D1 (de) Kommunikationssystem mit einer meisterstation und mindestens einer sklavenstation

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
R071 Expiry of right

Ref document number: 548939

Country of ref document: EP