BR9903347A - Método de controle de frequência em um sistema de comunicação cdma - Google Patents
Método de controle de frequência em um sistema de comunicação cdmaInfo
- Publication number
- BR9903347A BR9903347A BR9903347A BR9903347A BR9903347A BR 9903347 A BR9903347 A BR 9903347A BR 9903347 A BR9903347 A BR 9903347A BR 9903347 A BR9903347 A BR 9903347A BR 9903347 A BR9903347 A BR 9903347A
- Authority
- BR
- Brazil
- Prior art keywords
- mobile station
- communication system
- frequency
- cdma communication
- frequency control
- 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
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
-
- 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)
- Electromagnetism (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Transmitters (AREA)
Abstract
"MéTODO DE CONTROLE DE FREQâêNCIA EM UM SISTEMA DE COMUNICAçãO CDMA". Método de controle de freq³ência em um sistema de comunicação CDMA é descrito, o qual impede a deterioração na qualidade da comunicação mesmo em casos nos quais uma estação móvel perde o controle da energia de transmissão. Uma estação móvel é determinada como tendo falhado quando a diferença entre a Eb/IO de recepção e a Eb/IO de referência exceder um valor predeterminado grande, onde então a estação base instrui a estação móvel a desligar seu suprimento de energia. Se o suprimento de energia daquela estação móvel não puder ser confirmado como estando desligado, a estação base instrui a estação móvel a alterar sua freq³ência. Se a alteração de freq³ência daquela estação móvel não puder ser confirmada, a estação base instrui as estações móveis normais, diferentes daquela estação móvel que falhou, a alterarem a freq³ência.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20981098A JP3031340B2 (ja) | 1998-07-24 | 1998-07-24 | Cdma基地局装置およびcdma通信システムならびにcdma通信システムにおける通信回線接続制御方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9903347A true BR9903347A (pt) | 2000-08-08 |
Family
ID=16578987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9903347A BR9903347A (pt) | 1998-07-24 | 1999-07-26 | Método de controle de frequência em um sistema de comunicação cdma |
Country Status (6)
Country | Link |
---|---|
US (2) | US6487192B1 (pt) |
EP (1) | EP0975098A3 (pt) |
JP (1) | JP3031340B2 (pt) |
KR (1) | KR100312582B1 (pt) |
CN (1) | CN1133294C (pt) |
BR (1) | BR9903347A (pt) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3031340B2 (ja) * | 1998-07-24 | 2000-04-10 | 日本電気株式会社 | Cdma基地局装置およびcdma通信システムならびにcdma通信システムにおける通信回線接続制御方法 |
GB0000927D0 (en) * | 2000-01-14 | 2000-03-08 | Nokia Networks Oy | Communication method and system |
JP3576930B2 (ja) * | 2000-06-14 | 2004-10-13 | 埼玉日本電気株式会社 | Cdma方式を用いた移動体通信システム |
JP3528837B2 (ja) | 2002-01-22 | 2004-05-24 | 株式会社デンソー | 無線端末、及び、その故障判定方法 |
US7885658B2 (en) * | 2004-12-16 | 2011-02-08 | Alcatel-Lucent Usa Inc. | Method for detecting reverse link collisions on an air interface |
EP2209338B1 (en) * | 2008-05-15 | 2015-06-03 | Panasonic Intellectual Property Management Co., Ltd. | Wireless relay apparatus and wireless relay method |
FR2944178B1 (fr) * | 2009-04-03 | 2011-05-06 | St Wireless Sa | Procede de coupure d'un signal de transmission d'un emetteur principal relaye par une cellule d'une station de base et systeme associe. |
US9049666B2 (en) * | 2010-03-25 | 2015-06-02 | Nokia Corporation | Method and apparatus for providing machine-to-machine communication in a wireless network |
CN103220681B (zh) * | 2013-04-24 | 2016-03-09 | 京信通信系统(广州)有限公司 | 一种配置小区频点的方法及网络侧设备 |
EP4051736A1 (en) | 2019-10-28 | 2022-09-07 | Wacker Chemie AG | Bituminous coating compositions |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5694848A (en) | 1979-12-28 | 1981-07-31 | Nec Corp | Control system of transmitter |
US5258995A (en) * | 1991-11-08 | 1993-11-02 | Teknekron Communications Systems, Inc. | Wireless communication system |
JP2942977B2 (ja) | 1993-07-16 | 1999-08-30 | 松下電器産業株式会社 | Cdma方式移動局装置およびcdma方式基地局装置およびcdma方式無線通信システム |
GB2295295B (en) | 1994-11-19 | 1999-04-21 | Motorola Ltd | Method of reducing interference in a communication system |
JPH08335904A (ja) | 1995-06-08 | 1996-12-17 | Oki Electric Ind Co Ltd | 移動局装置及び移動通信システム |
JP2803716B2 (ja) | 1996-03-11 | 1998-09-24 | 日本電気株式会社 | Cdmaセルラーシステムにおける無線回線制御装置 |
JP2803720B2 (ja) | 1996-04-10 | 1998-09-24 | 日本電気株式会社 | Cdma移動通信システム用ハンドオフ制御方式 |
JP3484017B2 (ja) | 1996-07-05 | 2004-01-06 | 株式会社エヌ・ティ・ティ・ドコモ | Cdma移動通信システムにおける周波数帯使用方法および基地局装置 |
JPH1066133A (ja) | 1996-08-21 | 1998-03-06 | Saitama Nippon Denki Kk | Cdma移動通信方法 |
JP3631601B2 (ja) | 1996-11-27 | 2005-03-23 | 株式会社日立製作所 | 移動通信システム送信電力制御方法及びその実施装置 |
SE9604739L (sv) * | 1996-12-20 | 1998-06-21 | Ericsson Telefon Ab L M | Mobil kommunikationsenhet jämte radiosändare för kommunikation med en dylik mobil kommunikationsenhet |
JP3459866B2 (ja) | 1997-04-22 | 2003-10-27 | 埼玉日本電気株式会社 | 符号分割多元接続方式の送信電力制御方法 |
JP2954086B2 (ja) | 1997-05-16 | 1999-09-27 | 埼玉日本電気株式会社 | 移動通信システム |
SE9702046L (sv) * | 1997-05-30 | 1998-12-01 | Ericsson Telefon Ab L M | System och förfarande relaterande till cellulära kommunikationssystem |
JP3031340B2 (ja) * | 1998-07-24 | 2000-04-10 | 日本電気株式会社 | Cdma基地局装置およびcdma通信システムならびにcdma通信システムにおける通信回線接続制御方法 |
-
1998
- 1998-07-24 JP JP20981098A patent/JP3031340B2/ja not_active Expired - Fee Related
-
1999
- 1999-07-19 EP EP19990114118 patent/EP0975098A3/en not_active Ceased
- 1999-07-19 US US09/356,680 patent/US6487192B1/en not_active Expired - Fee Related
- 1999-07-21 CN CN99110810A patent/CN1133294C/zh not_active Expired - Fee Related
- 1999-07-23 KR KR1019990029874A patent/KR100312582B1/ko not_active IP Right Cessation
- 1999-07-26 BR BR9903347A patent/BR9903347A/pt not_active IP Right Cessation
-
2002
- 2002-07-03 US US10/187,628 patent/US6904293B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0975098A2 (en) | 2000-01-26 |
JP3031340B2 (ja) | 2000-04-10 |
US20020167929A1 (en) | 2002-11-14 |
US6487192B1 (en) | 2002-11-26 |
EP0975098A3 (en) | 2002-06-05 |
KR100312582B1 (ko) | 2001-11-03 |
US6904293B2 (en) | 2005-06-07 |
CN1246004A (zh) | 2000-03-01 |
CN1133294C (zh) | 2003-12-31 |
KR20000011907A (ko) | 2000-02-25 |
JP2000049752A (ja) | 2000-02-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 10A E 11A ANUIDADE |
|
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 2082 DE 30/11/2010. |
|
B15K | Others concerning applications: alteration of classification |
Ipc: H04W 52/24 (2009.01), H04B 17/24 (2015.0 |