BR9907374A - Método e sistema para corrigir interferência de canal de recepção por controle de laço aberto cdma, e estação base para este sistema - Google Patents
Método e sistema para corrigir interferência de canal de recepção por controle de laço aberto cdma, e estação base para este sistemaInfo
- Publication number
- BR9907374A BR9907374A BR9907374-9A BR9907374A BR9907374A BR 9907374 A BR9907374 A BR 9907374A BR 9907374 A BR9907374 A BR 9907374A BR 9907374 A BR9907374 A BR 9907374A
- Authority
- BR
- Brazil
- Prior art keywords
- channel interference
- received
- loop control
- base station
- open loop
- Prior art date
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
- H04W52/22—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
- H04W52/06—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
-
- 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
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
-
- 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
- H04W52/221—TPC being performed according to specific parameters taking into account previous information or commands using past power control commands
-
- 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
- H04W52/24—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
- 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
- H04W52/248—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where transmission power control commands are generated based on a path parameter
-
- 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
- H04W52/38—TPC being performed in particular situations
- H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
Abstract
"MéTODO E SISTEMA PARA CORRIGIR UMA INTERFERêNCIA DE CANAL DE RECEPçãO DE CONTROLE DE LAçO ABERTO CDMA, E ESTAçãO BASE PARA ESTE SISTEMA". Em uma estação base para um sistema de correção de interferência de canal de recepção de controle de laço aberto para realizar correção de interferência de canal de recepção, um receptor base recebe um sinal de transmissão reverso como sinal de transmissão recebido e mede as potências recebidas do sinal reverso recebido para produzir valores medidos de potência recebida. Uma seção de cálculo de potência média calcula uma média dos valores medidos de potência recebida para produzir um valor médio calculado. Com base no valor médio calculado e em um valor de referência, uma seção de cálculo de valor de correção calcula o valor de correção para fazer uma estação móvel aumentar a potência de transmissão corrente de modo a torná-la maior que a potência de transmissão prévia. Uma seção de transmissão transmite a informação indicativa do valor de correção para a estação móvel.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32223198A JP3150115B2 (ja) | 1998-11-12 | 1998-11-12 | 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 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9907374A true BR9907374A (pt) | 2000-09-26 |
Family
ID=18141401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9907374-9A BR9907374A (pt) | 1998-11-12 | 1999-11-11 | Método e sistema para corrigir interferência de canal de recepção por controle de laço aberto cdma, e estação base para este sistema |
Country Status (7)
Country | Link |
---|---|
US (1) | US6580919B1 (pt) |
EP (1) | EP1001556B1 (pt) |
JP (1) | JP3150115B2 (pt) |
KR (1) | KR100364945B1 (pt) |
CN (1) | CN1132348C (pt) |
BR (1) | BR9907374A (pt) |
DE (1) | DE69914569D1 (pt) |
Families Citing this family (36)
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US6631123B1 (en) * | 1999-09-14 | 2003-10-07 | Lucent Technologies Inc. | Method of improving user access performance by adjusting power of user probe signal |
US6944449B1 (en) * | 2000-05-30 | 2005-09-13 | Lucent Technologies Inc. | Method and system for controlling access of a subscriber station to a wireless system |
JP3821636B2 (ja) * | 2000-08-21 | 2006-09-13 | 松下電器産業株式会社 | 通信端末装置、基地局装置および無線通信方法 |
KR100810973B1 (ko) * | 2000-10-11 | 2008-03-10 | 스코어보드, 인크. | 셀룰러 전화기 시스템의 동작을 개선하는 컴퓨터 실행 프로세스 |
FR2815506A1 (fr) * | 2000-10-17 | 2002-04-19 | Thomson Multimedia Sa | Dispositif d'emission/reception des signaux avec correction de puissance |
WO2002033982A2 (en) * | 2000-10-17 | 2002-04-25 | Denso Corporation | Forward link based rescue channel method and apparatus for telecommunication systems |
US7187930B2 (en) * | 2000-11-28 | 2007-03-06 | Denso Corporation | Retry limits for connection rescue procedures in telecommunication systems |
US7006821B2 (en) * | 2000-12-04 | 2006-02-28 | Denso Corporation | Method and apparatus for dynamically determining a mobile station's active set during a connection rescue procedure |
AU2002241594A1 (en) * | 2000-12-05 | 2002-07-30 | Denso Corporation | Minimum interference multiple-access method and system for connection rescue |
US6996391B2 (en) * | 2000-12-20 | 2006-02-07 | Denso Corporation | Forward-link rescue synchronization method and apparatus |
US7010319B2 (en) * | 2001-01-19 | 2006-03-07 | Denso Corporation | Open-loop power control enhancement for blind rescue channel operation |
JP2002217751A (ja) * | 2001-01-22 | 2002-08-02 | Fujitsu Ltd | 電力制御装置及び電力制御方法 |
US6748196B2 (en) * | 2001-01-30 | 2004-06-08 | Kon-Hee Lee | Transmit output controlling circuit and method of a wireless mobile communication system |
US7570709B2 (en) * | 2001-03-08 | 2009-08-04 | Siemens Aktiengesellschaft | Automatic transmit power control loop with modulation averaging |
KR100850940B1 (ko) * | 2001-03-26 | 2008-08-08 | 엘지전자 주식회사 | 액세스 채널의 초기 송신 전력을 결정하는 방법 |
US7729367B1 (en) | 2001-04-19 | 2010-06-01 | Cisco Technology, Inc. | Method for bring-up of voice over internet protocol telephones |
US7366164B1 (en) * | 2001-04-19 | 2008-04-29 | Cisco Technology, Inc. | Method for regulating power for voice over Internet Protocol telephones |
JP3577021B2 (ja) * | 2001-09-12 | 2004-10-13 | 埼玉日本電気株式会社 | 移動局および移動局における電界状態判定方法 |
KR100487545B1 (ko) * | 2002-04-04 | 2005-05-03 | 엘지전자 주식회사 | 이동통신 기지국의 송신전력 검출방법 |
CN100413222C (zh) * | 2003-07-11 | 2008-08-20 | Ut斯达康(中国)有限公司 | 用于确定下行公共信道功率控制的目标信干比的方法和系统 |
CN100382454C (zh) * | 2003-12-08 | 2008-04-16 | 华为技术有限公司 | 稳定基站输出功率的装置及方法 |
WO2005064815A1 (en) * | 2003-12-29 | 2005-07-14 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement relating to communications network |
US7483635B2 (en) * | 2004-05-10 | 2009-01-27 | Cornell Research Foundation, Inc. | Multi-wavelength pulse generator using time-lens compression |
JP4567066B2 (ja) * | 2005-01-05 | 2010-10-20 | エスケーテレコム株式会社 | デュアルバンド/デュアルモードを支援する移動通信端末とその制御方法 |
JP4835592B2 (ja) * | 2005-02-02 | 2011-12-14 | 日本電気株式会社 | 送信電力目標値可変制御装置及びその方法並びに移動通信端末 |
US7899482B2 (en) * | 2005-02-02 | 2011-03-01 | Nec Corporation | Transmission power target value variable control apparatus and method and mobile communication terminal |
CN100377509C (zh) * | 2005-08-16 | 2008-03-26 | 华为技术有限公司 | 确定载波反向信道初始发射功率的方法 |
CN101300757B (zh) | 2005-11-04 | 2017-08-11 | 日本电气株式会社 | 无线电通信系统及用于其的发送功率控制方法 |
CN101494894B (zh) * | 2008-12-31 | 2011-01-19 | 中兴通讯股份有限公司 | 反向功率控制方法及控制装置 |
CN102550099A (zh) * | 2009-10-07 | 2012-07-04 | 住友电气工业株式会社 | 基站装置 |
JP5495455B2 (ja) * | 2010-03-30 | 2014-05-21 | シャープ株式会社 | 基地局装置、移動局装置、及び、通信制御方法 |
EP2453707A1 (en) * | 2010-11-12 | 2012-05-16 | ST-Ericsson SA | Process for fine control of the transmission power in the uplink communication channel by the UE |
CN103220763B (zh) * | 2012-01-20 | 2016-05-18 | 电信科学技术研究院 | 功率控制方法和装置 |
CN104185202B (zh) * | 2013-05-24 | 2018-01-05 | 普天信息技术研究院有限公司 | 参考信号接收功率的确定方法 |
KR102308079B1 (ko) * | 2015-07-02 | 2021-10-05 | 주식회사 엘지유플러스 | RRH(Remote Radio Head)의 전압 정재파비(VSWR)를 고려한 단말 전력 제어 방법 및 그를 위한 장치 및 시스템 |
CN110234157B (zh) * | 2019-04-23 | 2023-06-13 | 广州南方卫星导航仪器有限公司 | 一种数传电台自适应的控制方法 |
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US5267262A (en) * | 1989-11-07 | 1993-11-30 | Qualcomm Incorporated | Transmitter power control system |
EP0548939B1 (en) * | 1991-12-26 | 2000-09-13 | Nec Corporation | Transmission power control system capable of keeping signal quality constant in mobile communication network |
US5216692A (en) * | 1992-03-31 | 1993-06-01 | Motorola, Inc. | Method and apparatus for adjusting a power control threshold in a communication system |
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 |
EP1104118B1 (en) * | 1994-12-13 | 2005-05-25 | NTT DoCoMo, Inc. | Power control in mobile satellite communication system |
US5710981A (en) * | 1995-05-23 | 1998-01-20 | Ericsson Inc. | Portable radio power control device and method using incrementally degraded received signals |
US5629934A (en) * | 1995-06-30 | 1997-05-13 | Motorola, Inc. | Power control for CDMA communication systems |
JP3818702B2 (ja) * | 1996-08-07 | 2006-09-06 | 松下電器産業株式会社 | Cdma無線伝送システム並びに該システムにおいて用いられる送信電力制御装置および送信電力制御用測定装置 |
US5933781A (en) * | 1997-01-31 | 1999-08-03 | Qualcomm Incorporated | Pilot based, reversed channel power control |
US6829226B1 (en) * | 1997-04-04 | 2004-12-07 | Ericsson Inc. | Power control for a mobile terminal in a satellite communication system |
US6173162B1 (en) * | 1997-06-16 | 2001-01-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Multiple code channel power control in a radio communication system |
US6101179A (en) * | 1997-09-19 | 2000-08-08 | Qualcomm Incorporated | Accurate open loop power control in a code division multiple access communication system |
KR100277071B1 (ko) * | 1998-09-15 | 2001-01-15 | 윤종용 | 셀룰러시스템의역방향전력제어방법 |
KR100366799B1 (ko) * | 1998-12-26 | 2003-04-07 | 엘지전자 주식회사 | 이동통신시스템의전송전력제어방법 |
-
1998
- 1998-11-12 JP JP32223198A patent/JP3150115B2/ja not_active Expired - Fee Related
-
1999
- 1999-11-11 CN CN99122496A patent/CN1132348C/zh not_active Expired - Fee Related
- 1999-11-11 DE DE69914569T patent/DE69914569D1/de not_active Expired - Lifetime
- 1999-11-11 BR BR9907374-9A patent/BR9907374A/pt not_active IP Right Cessation
- 1999-11-11 EP EP99122506A patent/EP1001556B1/en not_active Expired - Fee Related
- 1999-11-12 US US09/438,498 patent/US6580919B1/en not_active Expired - Fee Related
- 1999-11-12 KR KR1019990050103A patent/KR100364945B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1001556B1 (en) | 2004-02-04 |
JP3150115B2 (ja) | 2001-03-26 |
EP1001556A2 (en) | 2000-05-17 |
DE69914569D1 (de) | 2004-03-11 |
US6580919B1 (en) | 2003-06-17 |
EP1001556A3 (en) | 2002-10-30 |
CN1132348C (zh) | 2003-12-24 |
JP2000151502A (ja) | 2000-05-30 |
KR100364945B1 (ko) | 2002-12-16 |
CN1254222A (zh) | 2000-05-24 |
KR20000035429A (ko) | 2000-06-26 |
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Legal Events
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B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 6A E 7A ANUIDADES. |
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B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1910 DE 14/08/2007. |
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B15K | Others concerning applications: alteration of classification |
Ipc: H04W 52/22 (2009.01), H04W 52/10 (2009.0 |