BR9708730A - Processo de acesso múltiplo por divis o em código em comunicações celulares aparelho para transmitir informações um sistema de acesso múltiplo e transmissor - Google Patents
Processo de acesso múltiplo por divis o em código em comunicações celulares aparelho para transmitir informações um sistema de acesso múltiplo e transmissorInfo
- Publication number
- BR9708730A BR9708730A BR9708730A BR9708730A BR9708730A BR 9708730 A BR9708730 A BR 9708730A BR 9708730 A BR9708730 A BR 9708730A BR 9708730 A BR9708730 A BR 9708730A BR 9708730 A BR9708730 A BR 9708730A
- Authority
- BR
- Brazil
- Prior art keywords
- multiple access
- transmitter
- code division
- transmitting information
- communications apparatus
- Prior art date
Links
- 230000010267 cellular communication Effects 0.000 title 1
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
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
- H04W52/282—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission taking into account the speed of the mobile
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2618—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using hybrid code-time division multiple access [CDMA-TDMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
- H04J13/0029—Gold
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0077—Multicode, e.g. multiple codes assigned to one user
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
-
- 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0059—Convolutional codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
-
- 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
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
- H04W52/287—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission when the channel is in stand-by
-
- 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
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
- H04W52/288—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission taking into account the usage mode, e.g. hands-free, data transmission, telephone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/34—Reselection control
- H04W36/36—Reselection control by user or terminal equipment
-
- 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
- H04W52/44—TPC being performed in particular situations in connection with interruption of transmission
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/636,648 US5896368A (en) | 1995-05-01 | 1996-04-23 | Multi-code compressed mode DS-CDMA systems and methods |
PCT/SE1997/000645 WO1997040592A1 (en) | 1996-04-23 | 1997-04-16 | Multi-code compressed mode ds-cdma systems and methods |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9708730A true BR9708730A (pt) | 1999-08-03 |
Family
ID=24552773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9708730A BR9708730A (pt) | 1996-04-23 | 1997-04-16 | Processo de acesso múltiplo por divis o em código em comunicações celulares aparelho para transmitir informações um sistema de acesso múltiplo e transmissor |
Country Status (9)
Country | Link |
---|---|
US (1) | US5896368A (pt) |
EP (1) | EP0895675A1 (pt) |
JP (1) | JP2000509573A (pt) |
KR (1) | KR20000010593A (pt) |
CN (1) | CN1225764A (pt) |
AU (1) | AU724048B2 (pt) |
BR (1) | BR9708730A (pt) |
CA (1) | CA2252382A1 (pt) |
WO (1) | WO1997040592A1 (pt) |
Families Citing this family (91)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7929498B2 (en) * | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
US6885652B1 (en) | 1995-06-30 | 2005-04-26 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
ZA965340B (en) | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | 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 |
US6678311B2 (en) * | 1996-05-28 | 2004-01-13 | Qualcomm Incorporated | High data CDMA wireless communication system using variable sized channel codes |
US6424618B1 (en) * | 1996-11-07 | 2002-07-23 | Matsushita Electric Industrial Co., Ltd. | Code generating method and code selecting method |
GB2321161B (en) * | 1997-01-08 | 2001-05-02 | Nec Technologies | Combining cordless and mobile telephone operation |
JP2861985B2 (ja) * | 1997-06-16 | 1999-02-24 | 日本電気株式会社 | Cdma用高速セルサーチ方式 |
JP4020458B2 (ja) * | 1997-06-19 | 2007-12-12 | 三菱電機株式会社 | 無線通信システム、データ送信機及びデータ受信機 |
US6185199B1 (en) | 1997-07-23 | 2001-02-06 | Qualcomm Inc. | Method and apparatus for data transmission using time gated frequency division duplexing |
US6038263A (en) * | 1997-07-31 | 2000-03-14 | Motorola, Inc. | Method and apparatus for transmitting signals in a communication system |
US6377809B1 (en) * | 1997-09-16 | 2002-04-23 | Qualcomm Incorporated | Channel structure for communication systems |
US6810030B1 (en) * | 1997-10-17 | 2004-10-26 | Lucent Technology | Dynamic and smart spreading for wideband CDMA |
US7184426B2 (en) | 2002-12-12 | 2007-02-27 | Qualcomm, Incorporated | Method and apparatus for burst pilot for a time division multiplex system |
US6574211B2 (en) * | 1997-11-03 | 2003-06-03 | Qualcomm Incorporated | Method and apparatus for high rate packet data transmission |
US9118387B2 (en) | 1997-11-03 | 2015-08-25 | Qualcomm Incorporated | Pilot reference transmission for a wireless communication system |
KR100304924B1 (ko) * | 1997-12-30 | 2001-11-22 | 서평원 | 코드분할다중접속셀룰러시스템의주파수간핸드오프제어방법 |
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 |
US6545989B1 (en) | 1998-02-19 | 2003-04-08 | Qualcomm Incorporated | Transmit gating in a wireless communication system |
AU2773099A (en) * | 1998-02-19 | 1999-09-06 | Qualcomm Incorporated | Method and system for transmit gating in a wireless communication system |
EP1921765B1 (en) * | 1998-03-26 | 2009-06-03 | Mitsubishi Denki Kabushiki Kaisha | Spread spectrum communication device |
US6192257B1 (en) * | 1998-03-31 | 2001-02-20 | Lucent Technologies Inc. | Wireless communication terminal having video image capability |
JP3214466B2 (ja) * | 1998-04-07 | 2001-10-02 | 日本電気株式会社 | 移動通信システム及びその通信制御方法並びにそれに用いる基地局及び移動局 |
EP1962527A1 (en) * | 1998-04-23 | 2008-08-27 | Mitsubishi Denki Kabushiki Kaisha | Methods for monitoring a control channel of a different system during an idle period in a CDMA mobile radio communication system |
GB9808716D0 (en) * | 1998-04-25 | 1998-06-24 | Philips Electronics Nv | A method of controlling a communication system and the system employing the method |
US6553064B1 (en) * | 1998-05-07 | 2003-04-22 | Qualcomm Incorporated | Method and apparatus for performing mobile station assisted hard handoff using error correction codes |
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 |
JP3864326B2 (ja) * | 1998-08-19 | 2006-12-27 | 富士通株式会社 | ハンドオーバ方法,基地局,移動局及び移動通信システム |
KR100532328B1 (ko) * | 1998-08-29 | 2006-03-23 | 삼성전자주식회사 | 부호분할다중접속통신시스템의피.엔시퀀스식별장치 |
JP3403950B2 (ja) * | 1998-09-07 | 2003-05-06 | 松下電器産業株式会社 | 移動局装置、移動局装置における報知チャンネル受信方法、及び移動局装置におけるセルサーチ方法 |
KR100404174B1 (ko) * | 1998-09-15 | 2004-03-20 | 엘지전자 주식회사 | 무선이동통신시스템의채널다중화방법 |
US6667961B1 (en) | 1998-09-26 | 2003-12-23 | Samsung Electronics Co., Ltd. | Device and method for implementing handoff in mobile communication system |
JP3464981B2 (ja) * | 1998-12-03 | 2003-11-10 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 情報送信装置及びその方法並びに情報受信装置及びその方法 |
FR2787279B1 (fr) * | 1998-12-10 | 2002-05-31 | Cit Alcatel | Procede d'adaptation entre ressources requises et ressources allouees dans un systeme de radiocommunications mobiles |
US6587446B2 (en) * | 1999-02-11 | 2003-07-01 | Qualcomm Incorporated | Handoff in a wireless communication system |
US6512750B1 (en) * | 1999-04-16 | 2003-01-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Power setting in CDMA systems employing discontinuous transmission |
FI112583B (fi) * | 1999-05-26 | 2003-12-15 | Nokia Corp | Menetelmä solukkoradiojärjestelmien välisten kanavanvaihtomittausten toteuttamiseksi ja päätelaite |
US6597911B1 (en) * | 1999-05-28 | 2003-07-22 | Ericsson Inc. | System, method, and apparatus for cell searching in a next generation overlay of a preexisting network |
US6363060B1 (en) * | 1999-06-30 | 2002-03-26 | Qualcomm Incorporated | Method and apparatus for fast WCDMA acquisition |
EP1069704B1 (en) * | 1999-07-13 | 2005-01-12 | Alcatel | Method for improving mobile radiocommunication system performances using a power control algorithm |
US6611507B1 (en) * | 1999-07-30 | 2003-08-26 | Nokia Corporation | System and method for effecting information transmission and soft handoff between frequency division duplex and time division duplex communications systems |
JP4387001B2 (ja) * | 1999-08-27 | 2009-12-16 | 三菱電機株式会社 | 移動局および通信方法 |
EP1081979A1 (en) | 1999-08-31 | 2001-03-07 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Subscriber station, network control means and method for carrying out inter-frequency measurements in a mobile communication system |
EP1081978A1 (en) * | 1999-08-31 | 2001-03-07 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Subscriber station and method for carrying out inter-frequency measurement in a mobile communication system |
US6868075B1 (en) | 1999-09-28 | 2005-03-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for compressed mode communications over a radio interface |
EP1089475A1 (en) * | 1999-09-28 | 2001-04-04 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Converter and method for converting an input packet stream containing data with plural transmission rates into an output data symbol stream |
FR2799323B1 (fr) * | 1999-10-04 | 2002-04-19 | Mitsubishi Electric France | Procede de generation d'un mode compresse sur un canal composite comportant au moins deux canaux de transport et dispositif pour la mise en oeuvre de ce procede |
FR2799322B1 (fr) * | 1999-10-04 | 2001-12-28 | Mitsubishi Electric France | Procede de generation d'un mode compresse sur un canal composite comportant au moins deux canaux de transport et dispositif pour la mise en oeuvre de ce procede |
JP2001169330A (ja) | 1999-10-22 | 2001-06-22 | Hyundai Electronics Ind Co Ltd | 移動通信システムおよび該システムにおける非同期式基地局と同期式基地局との間のハンドオフ処理方法 |
FI111120B (fi) * | 1999-10-25 | 2003-05-30 | Nokia Corp | Ajoitusmenetelmä ja -järjestely taajuuksien välistä yhteydensiirtoa valmistelevien mittausten tekemiseksi |
DE19956492A1 (de) * | 1999-11-24 | 2001-05-31 | Siemens Ag | Verfahren zum Abbilden von Formatkennungs-Bits auf einen in einem Komprimiermodus zu sendenden Rahmen |
US6597679B1 (en) * | 1999-12-01 | 2003-07-22 | Telefonaktiebolat Lm Ericsson | Control of compressed mode transmission in WCDMA |
DE19962339A1 (de) | 1999-12-23 | 2001-06-28 | Bosch Gmbh Robert | Verfahren zur Regelung der Sendeleistung, Funkstation und Übertragungskanal |
FI109862B (fi) * | 2000-01-10 | 2002-10-15 | Nokia Corp | Menetelmä taajuudenvälisen yhteydenvaihdon valmistelemiseksi, verkkoelementti ja matkaviestin |
EP1117268A1 (en) * | 2000-01-14 | 2001-07-18 | Telefonaktiebolaget L M Ericsson (Publ) | Subscriber station, network control means and method for carrying out inter-frequency measurements in a mobile communication system |
EP1349295B1 (en) * | 2000-02-08 | 2008-08-20 | Alcatel Lucent | A method for setting a transmission quality target value for power control in a mobile radiocommunication system |
EP1258164A1 (de) * | 2000-02-24 | 2002-11-20 | Siemens Aktiengesellschaft | Verfahren zur durchführung eines hard-handover-vorgangs in einem mobilfunksystem |
WO2002027974A2 (en) * | 2000-09-28 | 2002-04-04 | Ses Astra S.A. | Satellite communications system |
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 |
EP1209644A1 (en) | 2000-11-23 | 2002-05-29 | Telefonaktiebolaget L M Ericsson (Publ) | Traffic management system including a layered management structure |
FI111110B (fi) * | 2001-02-20 | 2003-05-30 | Nokia Corp | Menetelmä ja järjestely tiivistetyn moodin monikäyttöisyyden lisäämiseksi järjestelmien välisissä mittauksissa |
DE10109974B4 (de) * | 2001-03-01 | 2006-02-16 | Infineon Technologies Ag | Verfahren und System zur digitalen Echtzeit-Datenverarbeitung |
JP2003143639A (ja) * | 2001-11-07 | 2003-05-16 | Nec Corp | 移動通信システム、基地局、移動機及びそれらに用いる周波数間hho方法 |
US6618365B1 (en) * | 2002-04-29 | 2003-09-09 | Motorola, Inc. | Method and apparatus to reduce uplink compressed mode monitoring in a communication device |
US7114106B2 (en) | 2002-07-22 | 2006-09-26 | Finisar Corporation | Scalable network attached storage (NAS) testing tool |
GB2391427B (en) * | 2002-07-24 | 2005-12-21 | Motorola Inc | A communication system and method of allocating resource thereof |
JP2004088522A (ja) * | 2002-08-28 | 2004-03-18 | Nec Corp | 移動通信システム、その周波数間ho方法、移動局、基地局、基地局制御装置及びプログラム |
US8363593B2 (en) * | 2002-11-06 | 2013-01-29 | Alcatel Lucent | Method for carrying downlink control information for an enhanced uplink dedicated channel |
JP4197266B2 (ja) * | 2003-04-10 | 2008-12-17 | 株式会社エヌ・ティ・ティ・ドコモ | 無線制御装置及びハンドオーバ制御方法 |
CA2536358C (en) * | 2003-08-15 | 2011-09-27 | Research In Motion Uk Limited | Apparatus, and an associated method, for preserving service quality levels during hand-off in a radio communication system |
CN100341342C (zh) * | 2003-12-09 | 2007-10-03 | 华为技术有限公司 | 一种进行业务回退的方法 |
CN100473215C (zh) * | 2004-01-16 | 2009-03-25 | Ut斯达康通讯有限公司 | 个人手机***中的改进寻呼方法及相关设备 |
KR100555753B1 (ko) * | 2004-02-06 | 2006-03-03 | 삼성전자주식회사 | 원칩 시스템에서 라우터들간의 라우팅 경로 설정 장치 및방법 |
US7096017B2 (en) * | 2004-04-08 | 2006-08-22 | Motorola, Inc. | Method and system for synchronization of communication between a mobile subscriber and a base station |
KR101261764B1 (ko) * | 2004-08-13 | 2013-05-07 | 소니 주식회사 | 데이터 송신 방법, 데이터 송신 장치 및 코드 다이버시티 송신기 |
US7570627B2 (en) * | 2005-03-11 | 2009-08-04 | Freescale Semiconductor, Inc. | Method for sharing bandwidth using reduced duty cycle signals and media access control |
US7864732B2 (en) * | 2006-01-27 | 2011-01-04 | Mediatek Inc. | Systems and methods for handoff in wireless network |
JP4771835B2 (ja) * | 2006-03-06 | 2011-09-14 | 株式会社リコー | トナー及び画像形成方法 |
KR100872172B1 (ko) | 2006-12-08 | 2008-12-09 | 한국전자통신연구원 | 무선 통신 시스템에서의 데이터 송신 방법 및 장치 |
US7733979B2 (en) * | 2007-03-21 | 2010-06-08 | NDSSI Holdings, LLC | Average power control of wireless transmission having a variable duty cycle |
ES2519766T3 (es) | 2007-12-20 | 2014-11-07 | Optis Wireless Technology, Llc | Señalización de canal de control usando un campo de señalización común para el formato de trnasporte y la versión de redundancia |
JP5277718B2 (ja) * | 2008-05-15 | 2013-08-28 | 住友電気工業株式会社 | 基地局装置及びデータ送信方法 |
US8964692B2 (en) * | 2008-11-10 | 2015-02-24 | Qualcomm Incorporated | Spectrum sensing of bluetooth using a sequence of energy detection measurements |
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 |
CN102340325B (zh) * | 2011-11-15 | 2013-09-25 | 电子科技大学 | 一种二次直接序列扩频信号的时域捕获方法 |
CN103813418B (zh) * | 2012-11-05 | 2017-06-20 | 华为终端有限公司 | 移动通信终端及其射频功率放大器控制方法 |
US9237530B2 (en) * | 2012-11-09 | 2016-01-12 | Qualcomm Incorporated | Network listen with self interference cancellation |
CN107124238B (zh) * | 2017-04-27 | 2020-05-19 | 湘潭大学 | 一种新的td-scdma通信基站电磁辐射预测方法 |
CN107181545B (zh) * | 2017-06-14 | 2020-11-03 | 湘潭大学 | 信道共享下td-scdma基站电磁辐射预测方法 |
CN112470472B (zh) * | 2018-06-11 | 2023-03-24 | 无锡安科迪智能技术有限公司 | 盲压缩采样方法、装置及成像*** |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS512943A (ja) * | 1974-06-27 | 1976-01-12 | Mitsubishi Electric Corp | Ijodenatsuhogosochi |
FR2529040B1 (fr) * | 1982-06-18 | 1986-04-11 | Thomson Csf | Systeme de radiocommunications a sauts de frequence, a redondance inter-paliers |
US4653076A (en) * | 1984-03-23 | 1987-03-24 | Sangamo Weston, Inc. | Timing signal correction system for use in direct sequence spread signal receiver |
JPS63318837A (ja) * | 1987-06-22 | 1988-12-27 | Mitsubishi Electric Corp | スペクトル拡散変調装置 |
DE3854465T2 (de) * | 1987-11-27 | 1996-05-02 | Nippon Electric Co | Verfahren zum Umschalten in einem digitalen Zellularmobilkommunikationssystem und mobile Einheit. |
SE8802229D0 (sv) * | 1988-06-14 | 1988-06-14 | Ericsson Telefon Ab L M | Forfarande vid mobilradiostation |
US4930140A (en) * | 1989-01-13 | 1990-05-29 | Agilis Corporation | Code division multiplex system using selectable length spreading code sequences |
KR900014300A (ko) * | 1989-03-22 | 1990-10-23 | 우메모토 요시마사 | 광학활성 화합물, 이 화합물을 함유한 액정 조성물 및 이조성물을 사용한 액정 광변조 장치 |
US5042082A (en) * | 1989-06-26 | 1991-08-20 | Telefonaktiebolaget L. M. Ericsson | Mobile assisted handoff |
US5101501A (en) * | 1989-11-07 | 1992-03-31 | Qualcomm Incorporated | Method and system for providing a soft handoff in communications in a cdma cellular telephone system |
US5095540A (en) * | 1990-02-28 | 1992-03-10 | Motorola, Inc. | Hole placement and fill system based on category selection |
US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
US5175867A (en) * | 1991-03-15 | 1992-12-29 | Telefonaktiebolaget L M Ericsson | Neighbor-assisted handoff in a cellular communications system |
US5166951A (en) * | 1991-05-15 | 1992-11-24 | Scs Mobilecom, Inc. | High capacity spread spectrum channel |
JPH05102943A (ja) * | 1991-10-04 | 1993-04-23 | Nippon Telegr & Teleph Corp <Ntt> | スペクトル拡散伝送方式 |
DE4210305A1 (de) * | 1992-03-30 | 1993-10-07 | Sel Alcatel Ag | Verfahren, Sender und Empfänger zur Informationsdatenübertragung mit veränderlichem Verkehrsaufkommen und Leitstation zur Koordinierung mehrerer solcher Sender und Empfänger |
US5239557A (en) * | 1992-04-10 | 1993-08-24 | Ericsson/Ge Mobile Communications | Discountinuous CDMA reception |
US5274667A (en) * | 1992-10-23 | 1993-12-28 | David Olmstead | Adaptive data rate packet communications system |
TW306102B (pt) * | 1993-06-14 | 1997-05-21 | Ericsson Telefon Ab L M | |
DE4319830A1 (de) * | 1993-06-16 | 1995-03-09 | Philips Patentverwaltung | CDMA Übertragungssystem |
FI110042B (fi) * | 1993-10-04 | 2002-11-15 | Nokia Corp | Solukkoradiojärjestelmä |
JP3003839B2 (ja) * | 1993-11-08 | 2000-01-31 | エヌ・ティ・ティ移動通信網株式会社 | Cdma通信方法および装置 |
SE505915C2 (sv) * | 1994-08-18 | 1997-10-20 | Ericsson Telefon Ab L M | Cellulärt mobilkommunikatiosssystem |
-
1996
- 1996-04-23 US US08/636,648 patent/US5896368A/en not_active Expired - Lifetime
-
1997
- 1997-04-16 BR BR9708730A patent/BR9708730A/pt unknown
- 1997-04-16 CN CN97195502A patent/CN1225764A/zh active Pending
- 1997-04-16 EP EP97921030A patent/EP0895675A1/en not_active Withdrawn
- 1997-04-16 CA CA002252382A patent/CA2252382A1/en not_active Abandoned
- 1997-04-16 AU AU27183/97A patent/AU724048B2/en not_active Ceased
- 1997-04-16 KR KR1019980708469A patent/KR20000010593A/ko not_active Application Discontinuation
- 1997-04-16 WO PCT/SE1997/000645 patent/WO1997040592A1/en not_active Application Discontinuation
- 1997-04-16 JP JP9537981A patent/JP2000509573A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU2718397A (en) | 1997-11-12 |
EP0895675A1 (en) | 1999-02-10 |
CA2252382A1 (en) | 1997-10-30 |
WO1997040592A1 (en) | 1997-10-30 |
KR20000010593A (ko) | 2000-02-15 |
CN1225764A (zh) | 1999-08-11 |
AU724048B2 (en) | 2000-09-07 |
US5896368A (en) | 1999-04-20 |
JP2000509573A (ja) | 2000-07-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR9708730A (pt) | Processo de acesso múltiplo por divis o em código em comunicações celulares aparelho para transmitir informações um sistema de acesso múltiplo e transmissor | |
BR9708733A (pt) | Processo de múltiplo acesso por divis o de código em comunicações celulares aparelho para transmitir informação em um sistema de múltiplo acesso por idivis o de código e transmissor | |
BR9603038A (pt) | Processo que acessa sistema de comunicações processo de operação de ponto de conexão e unidade assinante adaptada para operação em sistema de comunicações | |
BR9305483A (pt) | Processo de comunicação em sistema de múltiplo acesso por divisão de código e em sistema de múltiplo acesso por propagação de espetros, sistema de radiocomunicação aperfeiçoado e respectivo transmissor para sua realização | |
BR9702066A (pt) | Processo para atualizar código de software em sistema de comunicação | |
BR9609561A (pt) | Processo e aparelhos para transmitir e receber dados em um sistema de telecomunicações | |
BR9405743A (pt) | Processo para comunicação de informações a uma estação remota e sistema de comunicação via rádio | |
BR9907805B1 (pt) | processo e sistema para transmitir informaÇço em um sistema de comunicaÇço comutado por pacote e estaÇço base para transmitir e receber informaÇço no mesmo. | |
BR9405751A (pt) | Processo e estação de base para alinhamento de tempo de sinais de recepção em sistema de comunicações de acesso múltiplo de divisão de código processo para alinhamento de tempo de sinais de recepção em sistema de comunicações de acesso múltiplo de divisão de código microcelular e unidade de assinante em sistema de comunicações de acesso múltiplo de divisão de código | |
BR9810001B1 (pt) | "processo para realizar transmissço simultÂnea em um sistema de radiocomunicaÇço celular, e, arranjo para comunicar informaÇço de quadros durante transferÊncia suave em um sistema de radiocomunicaÇço celular" | |
BR9703557A (pt) | Processo de monitorar canais por unidade móvel em sistema de comunicação | |
BR9606834A (pt) | Aparelho e processo para reduzir o eco em um sistema de radio comunicação celular de mãos livre | |
BR9305565A (pt) | Processo para controlar potência de transmissão em sistema de communicação | |
BR9604905A (pt) | Processo para alocar canais e estaçao de base em um sistema de radiocomunicaçao | |
BR9104862A (pt) | Processo e sistema de comunicacao,processo de transmissao de informacoes de sincronizacao | |
BR9305449A (pt) | Processo de comunicação bidirecional em um sistema de telecomunicação móvel celular. | |
BR9607788A (pt) | Processo e sistema para comunicação em múltiplos canais em um sistema de comunicação de espectro difundido | |
BR9707258A (pt) | Sistema e processo para proporcionar informações de tarifação em tempo real a assinantes móveis operando estações celulares em uma rede de rádio telecomunicações | |
BR9407513A (pt) | Sistema para comunicação de mensagens de dados através de uma rede de telefonia celular unidade transmissora e processo para transmissão de dados | |
BR9606404A (pt) | Processo para realizar autenticação em comunicação e aparelho e processo para realizar autenticação em sistema de comunicação | |
BR9305554A (pt) | Processo pertinente a transferência em um sistema de telecomunicação móvel, dispositivo para produzir dados básicos para uma decisão de transferência, estação móvel e estação base em um sistema compreendendo telecomunicação sem-fio, comutador em um sistema de telecomunicação e sistema de telecomunicação | |
BR9713436B1 (pt) | processo para melhorar o desempenho de um sistema de comunicação móvel, e, sistema de comunicação móvel. | |
BR9808831B1 (pt) | sistema, dispositivo e processo para transmissão de dados. | |
BR9402891A (pt) | Sistema de telecomunicações e processo para utilização em sistema de telecomunicações. | |
BR9402606A (pt) | Processo para proporcionar comunicação de ponto-a-ponto dentro de sistema de comunicação seguro |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |