BR9506283A - Processos sistemas e aparelhos para simular interferência e potência de interferência de sinal entre canais de comunicaç o e para operar um sistema de comunicação sem fio - Google Patents
Processos sistemas e aparelhos para simular interferência e potência de interferência de sinal entre canais de comunicaç o e para operar um sistema de comunicação sem fioInfo
- Publication number
- BR9506283A BR9506283A BR9506283A BR9506283A BR9506283A BR 9506283 A BR9506283 A BR 9506283A BR 9506283 A BR9506283 A BR 9506283A BR 9506283 A BR9506283 A BR 9506283A BR 9506283 A BR9506283 A BR 9506283A
- Authority
- BR
- Brazil
- Prior art keywords
- power
- interference
- signal power
- signal
- composite signal
- Prior art date
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]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
-
- 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
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7105—Joint detection techniques, e.g. linear detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
- H04B17/3912—Simulation models, e.g. distribution of spectral power density or received signal strength indicator [RSSI] for a given geographic region
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Transceivers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27461194A | 1994-07-13 | 1994-07-13 | |
| PCT/US1995/008889 WO1996002986A1 (en) | 1994-07-13 | 1995-07-13 | Method and apparatus for simulating user interference in a spread spectrum communications system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9506283A true BR9506283A (pt) | 1997-08-12 |
Family
ID=23048931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9506283A BR9506283A (pt) | 1994-07-13 | 1995-07-13 | Processos sistemas e aparelhos para simular interferência e potência de interferência de sinal entre canais de comunicaç o e para operar um sistema de comunicação sem fio |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US5675581A (pt) |
| EP (1) | EP0719481B1 (pt) |
| JP (1) | JP3078328B2 (pt) |
| KR (1) | KR100351787B1 (pt) |
| CN (2) | CN1082287C (pt) |
| AT (1) | ATE206575T1 (pt) |
| AU (1) | AU688090B2 (pt) |
| BR (1) | BR9506283A (pt) |
| CA (1) | CA2170636A1 (pt) |
| DE (1) | DE69523030T2 (pt) |
| FI (1) | FI961150A7 (pt) |
| IL (1) | IL114560A0 (pt) |
| MX (1) | MX9600954A (pt) |
| MY (1) | MY131784A (pt) |
| RU (1) | RU2138124C1 (pt) |
| TW (1) | TW308762B (pt) |
| WO (1) | WO1996002986A1 (pt) |
| ZA (1) | ZA955605B (pt) |
Families Citing this family (82)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA965340B (en) | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
| US7072380B2 (en) | 1995-06-30 | 2006-07-04 | Interdigital Technology Corporation | Apparatus for initial power control for spread-spectrum communications |
| US6940840B2 (en) | 1995-06-30 | 2005-09-06 | Interdigital Technology Corporation | Apparatus for adaptive reverse power control for spread-spectrum communications |
| US7123600B2 (en) | 1995-06-30 | 2006-10-17 | Interdigital Technology Corporation | Initial power control 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 |
| US7020111B2 (en) | 1996-06-27 | 2006-03-28 | Interdigital Technology Corporation | System for using rapid acquisition spreading codes for spread-spectrum communications |
| US6885652B1 (en) | 1995-06-30 | 2005-04-26 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
| US6831905B1 (en) | 1995-06-30 | 2004-12-14 | Interdigital Technology Corporation | Spread spectrum system assigning information signals to message-code signals |
| US6788662B2 (en) * | 1995-06-30 | 2004-09-07 | Interdigital Technology Corporation | Method for adaptive reverse power control for spread-spectrum communications |
| US6816473B2 (en) | 1995-06-30 | 2004-11-09 | Interdigital Technology Corporation | Method for adaptive forward power control for spread-spectrum communications |
| GB2307608B (en) * | 1995-11-24 | 2000-05-10 | Marconi Instruments Ltd | Signal generator |
| EP0833472B1 (en) * | 1996-04-12 | 2006-09-20 | NTT DoCoMo, Inc. | Method and instrument for measuring receiving sir and transmission power controller |
| US6678311B2 (en) | 1996-05-28 | 2004-01-13 | Qualcomm Incorporated | High data CDMA wireless communication system using variable sized channel codes |
| US5771461A (en) * | 1996-06-28 | 1998-06-23 | Motorola, Inc. | Method and apparatus for power control of a first channel based on a signal quality of a second channel |
| US6463295B1 (en) | 1996-10-11 | 2002-10-08 | Arraycomm, Inc. | Power control with signal quality estimation for smart antenna communication systems |
| US7035661B1 (en) | 1996-10-11 | 2006-04-25 | Arraycomm, Llc. | Power control with signal quality estimation for smart antenna communication systems |
| US6275543B1 (en) | 1996-10-11 | 2001-08-14 | Arraycomm, Inc. | Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing |
| US6246389B1 (en) * | 1997-06-03 | 2001-06-12 | Agilent Technologies, Inc. | Simulating analog display slew rate intensity variations in a digital graphics display |
| US6405043B1 (en) * | 1997-07-02 | 2002-06-11 | Scoreboard, Inc. | Method to characterize the prospective or actual level of interference at a point, in a sector, and throughout a cellular system |
| KR100276698B1 (ko) * | 1997-11-17 | 2001-02-01 | 정선종 | 코드분할다중접속셀룰러이동통신시스템에서소프트핸드오프시의순방향링크전력제어방법및장치 |
| US7299071B1 (en) | 1997-12-10 | 2007-11-20 | Arraycomm, Llc | Downlink broadcasting by sequential transmissions from a communication station having an antenna array |
| US6304561B1 (en) * | 1997-12-23 | 2001-10-16 | Nortel Networks Limited | Method and apparatus for regulation of the effective noise figure in a CDMA receiver |
| US5973638A (en) * | 1998-01-30 | 1999-10-26 | Micronetics Wireless, Inc. | Smart antenna channel simulator and test system |
| US6236363B1 (en) | 1998-01-30 | 2001-05-22 | Micronetics Wireless | Smart antenna channel simulator and test system |
| US6615024B1 (en) | 1998-05-01 | 2003-09-02 | Arraycomm, Inc. | Method and apparatus for determining signatures for calibrating a communication station having an antenna array |
| US7035346B1 (en) * | 1998-06-19 | 2006-04-25 | Lucent Technologies Inc. | Method and apparatus for desensitization of a wireless receiver |
| US7190688B1 (en) * | 1998-09-21 | 2007-03-13 | Lucent Technologies Inc. | Method and apparatus for adaptive setting of initial traffic power |
| KR200263534Y1 (ko) * | 1998-10-30 | 2002-06-24 | 전주범 | 냉장고의에어커텐장치 |
| FI107487B (fi) * | 1999-03-08 | 2001-08-15 | Nokia Mobile Phones Ltd | Datalähetyksen salausmenetelmä radiojärjestelmässä |
| US6414955B1 (en) * | 1999-03-23 | 2002-07-02 | Innovative Technology Licensing, Llc | Distributed topology learning method and apparatus for wireless networks |
| US6600914B2 (en) | 1999-05-24 | 2003-07-29 | Arraycomm, Inc. | System and method for emergency call channel allocation |
| US6141567A (en) | 1999-06-07 | 2000-10-31 | Arraycomm, Inc. | Apparatus and method for beamforming in a changing-interference environment |
| US7139592B2 (en) * | 1999-06-21 | 2006-11-21 | Arraycomm Llc | Null deepening for an adaptive antenna based communication station |
| US6298242B1 (en) * | 1999-07-22 | 2001-10-02 | Qualcomm Inc. | Method and apparatus for reducing frame error rate through signal power adjustment |
| US6985466B1 (en) | 1999-11-09 | 2006-01-10 | Arraycomm, Inc. | Downlink signal processing in CDMA systems utilizing arrays of antennae |
| CN1190029C (zh) * | 1999-12-02 | 2005-02-16 | 三星电子株式会社 | 码分多址通信系统中用于发送和接收数据的设备与方法 |
| GB0004178D0 (en) | 2000-02-22 | 2000-04-12 | Nokia Networks Oy | Integrity check in a communication system |
| US6775646B1 (en) * | 2000-02-23 | 2004-08-10 | Agilent Technologies, Inc. | Excitation signal and radial basis function methods for use in extraction of nonlinear black-box behavioral models |
| US6885694B1 (en) | 2000-02-29 | 2005-04-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Correction of received signal and interference estimates |
| US6975656B1 (en) * | 2000-03-29 | 2005-12-13 | Microsoft Corporation | Method and system for accurately calculating latency variation on an end-to-end path in a network |
| US8537656B2 (en) | 2000-07-19 | 2013-09-17 | Ipr Licensing, Inc. | Method for compensating for multi-path of a CDMA reverse link utilizing an orthogonal channel structure |
| US7911993B2 (en) | 2000-07-19 | 2011-03-22 | Ipr Licensing, Inc. | Method and apparatus for allowing soft handoff of a CDMA reverse link utilizing an orthogonal channel structure |
| US6816709B2 (en) | 2000-08-19 | 2004-11-09 | Pctel Maryland, Inc. | Method and apparatus for testing CDMA signal propagation and coverage |
| US6982968B1 (en) | 2000-09-29 | 2006-01-03 | Arraycomm, Inc. | Non-directional transmitting from a wireless data base station having a smart antenna system |
| US7062294B1 (en) | 2000-09-29 | 2006-06-13 | Arraycomm, Llc. | Downlink transmission in a wireless data communication system having a base station with a smart antenna system |
| US6795409B1 (en) | 2000-09-29 | 2004-09-21 | Arraycomm, Inc. | Cooperative polling in a wireless data communication system having smart antenna processing |
| FR2819658B1 (fr) * | 2001-01-12 | 2004-04-09 | Cit Alcatel | Procede de gestion des ressources de traitement dans un systeme de radiocommunications mobiles |
| US7002903B2 (en) * | 2001-05-23 | 2006-02-21 | Lucent Technologies Inc. | Automatic verification of Walsh code orthogonality |
| US6917581B2 (en) | 2001-07-17 | 2005-07-12 | Ipr Licensing, Inc. | Use of orthogonal or near orthogonal codes in reverse link |
| JP4634672B2 (ja) * | 2001-09-25 | 2011-02-16 | 三菱電機株式会社 | サイトダイバーシチ送受信装置 |
| US7339891B2 (en) * | 2002-01-09 | 2008-03-04 | Mverify Corporation | Method and system for evaluating wireless applications |
| ATE362287T1 (de) * | 2002-02-15 | 2007-06-15 | Dyaptive Systems Inc | Mobilfunknetzwerksimulator |
| US20060082494A1 (en) * | 2002-02-22 | 2006-04-20 | Daimlerchrysler Ag | Method and system for sampling at least one antenna |
| GB2386038A (en) | 2002-02-27 | 2003-09-03 | Motorola Inc | Channel estimation in a radio receiver |
| US7184713B2 (en) * | 2002-06-20 | 2007-02-27 | Qualcomm, Incorporated | Rate control for multi-channel communication systems |
| US7453861B2 (en) * | 2002-08-02 | 2008-11-18 | At&T Corp | System and method for estimating interference in a packet-based wireless network |
| TWI539762B (zh) * | 2002-11-20 | 2016-06-21 | 智慧財產權授權股份有限公司 | 分碼多路接取反向鏈路之軟性交接操作 |
| FR2847675B1 (fr) * | 2002-11-22 | 2005-02-25 | Procede de verification de l'efficacite de l'antibrouillage d'un systeme de communications | |
| EP1427233A1 (en) * | 2002-12-02 | 2004-06-09 | Mitsubishi Electric Information Technology Centre Europe B.V. | Method and device for simulating operating conditions of a mobile telecommunication system |
| GB0327041D0 (en) * | 2003-11-21 | 2003-12-24 | Roke Manor Research | Apparatus and methods |
| US7400887B2 (en) * | 2005-03-17 | 2008-07-15 | Lucent Technologies Inc. | Method for estimating the downlink capacity in a spread spectrum wireless communications system |
| US7796565B2 (en) * | 2005-06-08 | 2010-09-14 | Polycom, Inc. | Mixed voice and spread spectrum data signaling with multiplexing multiple users with CDMA |
| US7453934B2 (en) * | 2005-06-27 | 2008-11-18 | Nokia Corporation | Automatic receiver calibration with noise and fast fourier transform |
| EP1985045A4 (en) * | 2006-02-16 | 2014-01-22 | Agere Systems Inc | SYSTEMS AND METHOD FOR REDUCING CROSSLINKING IN SEALED SIGNALING LINES |
| US8920343B2 (en) | 2006-03-23 | 2014-12-30 | Michael Edward Sabatino | Apparatus for acquiring and processing of physiological auditory signals |
| US7996032B2 (en) * | 2006-03-27 | 2011-08-09 | Qualcomm Incorporated | Power control and resource management in orthogonal wireless systems |
| GB2437345B (en) * | 2006-04-21 | 2008-06-18 | Motorola Inc | A cellular communication system and method of signalling therefor |
| US7613476B2 (en) * | 2006-06-02 | 2009-11-03 | Alcatel-Lucent Usa Inc. | Method and apparatus for path imbalance reduction in networks using high speed data packet access (HSDPA) |
| EP2038810A4 (en) * | 2006-07-07 | 2018-05-09 | Exxonmobil Upstream Research Company | Upscaling of reservoir models by reusing flow solutions from geologic models |
| US8244292B2 (en) * | 2007-02-23 | 2012-08-14 | Samsung Electronics Co., Ltd | Apparatus and method for power distribution by frequency allocation in multi-frequency allocation broadband wireless communication system |
| TWI362844B (en) * | 2007-05-07 | 2012-04-21 | Realtek Semiconductor Corp | Wireless communication apparatus with built-in channel emulator/noise generator |
| US8849882B2 (en) * | 2007-10-19 | 2014-09-30 | The Royal Institution for the Association of Learning | Generation of an analog Gaussian noise signal having predetermined characteristics |
| CN101483042B (zh) * | 2008-03-20 | 2011-03-30 | 华为技术有限公司 | 一种噪声生成方法以及噪声生成装置 |
| US8868452B2 (en) * | 2008-05-01 | 2014-10-21 | Accenture Global Services Limited | Smart grid deployment simulator |
| EP2399411A1 (en) * | 2009-04-23 | 2011-12-28 | NEC Europe Ltd. | A method for operating a network and a network |
| EP2436141A2 (en) * | 2009-05-29 | 2012-04-04 | Thomson Licensing | Improved sync detection and frequency recovery for satellite systems |
| US8682254B2 (en) * | 2009-06-19 | 2014-03-25 | Empire Technology Development Llc | Wireless communication system modeling |
| WO2012107600A1 (es) * | 2011-02-09 | 2012-08-16 | At4 Wireless, S.A. | Procedimiento de generación de señales interferencia y dispositivo para llevar a cabo dicho procedimiento |
| US9262566B2 (en) * | 2012-03-09 | 2016-02-16 | The Mathworks, Inc. | Fast simulation of a radio frequency circuit |
| GB2510997B (en) * | 2012-05-21 | 2014-11-05 | Aceaxis Ltd | Detection of Intermodulation Products in a Wireless Network |
| FR3018019B1 (fr) * | 2014-02-24 | 2017-07-21 | Ercom Eng Reseaux Communications | Procede et systeme de test de stations de base d'un reseau de telecommunications mobiles, prenant en compte les interferences entre deux cellules adjacentes |
| CN114389719B (zh) * | 2022-01-04 | 2023-06-20 | 上海航天计算机技术研究所 | 一种扩频解调仿真验证系统 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3806809A (en) * | 1972-11-09 | 1974-04-23 | Us Navy | High frequency interference simulator and method of identifying causation of undesired non-linear intermodulation interference |
| US4317214A (en) * | 1980-07-14 | 1982-02-23 | Attinello John S | Apparatus for simulating interference transmissions |
| US4901307A (en) * | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
| US5109390A (en) * | 1989-11-07 | 1992-04-28 | Qualcomm Incorporated | Diversity receiver in a cdma cellular telephone system |
| US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
| US5105435A (en) * | 1990-12-21 | 1992-04-14 | Motorola, Inc. | Method and apparatus for cancelling spread-spectrum noise |
| US5220680A (en) * | 1991-01-15 | 1993-06-15 | Pactel Corporation | Frequency signal generator apparatus and method for simulating interference in mobile communication systems |
| US5233628A (en) * | 1991-05-29 | 1993-08-03 | Virginia Polytechnic Institute And State University | Computer-based bit error simulation for digital wireless communications |
| JP2674404B2 (ja) * | 1991-12-13 | 1997-11-12 | 日本電気株式会社 | 基地局カバレッジエリア制御方式 |
| ZA955600B (en) * | 1994-07-13 | 1996-04-02 | Qualcomm Inc | System and method for simulating interference received by subscriber units in a spread spectrum communication network |
-
1995
- 1995-07-05 ZA ZA955605A patent/ZA955605B/xx unknown
- 1995-07-08 TW TW084107079A patent/TW308762B/zh active
- 1995-07-12 IL IL11456095A patent/IL114560A0/xx not_active IP Right Cessation
- 1995-07-12 MY MYPI95001961A patent/MY131784A/en unknown
- 1995-07-13 EP EP95927186A patent/EP0719481B1/en not_active Expired - Lifetime
- 1995-07-13 CN CN95190629A patent/CN1082287C/zh not_active Expired - Fee Related
- 1995-07-13 AT AT95927186T patent/ATE206575T1/de not_active IP Right Cessation
- 1995-07-13 RU RU96107901A patent/RU2138124C1/ru not_active IP Right Cessation
- 1995-07-13 BR BR9506283A patent/BR9506283A/pt not_active Application Discontinuation
- 1995-07-13 JP JP08505186A patent/JP3078328B2/ja not_active Expired - Fee Related
- 1995-07-13 WO PCT/US1995/008889 patent/WO1996002986A1/en not_active Ceased
- 1995-07-13 DE DE69523030T patent/DE69523030T2/de not_active Expired - Fee Related
- 1995-07-13 KR KR1019960701261A patent/KR100351787B1/ko not_active Expired - Fee Related
- 1995-07-13 AU AU31291/95A patent/AU688090B2/en not_active Ceased
- 1995-07-13 MX MX9600954A patent/MX9600954A/es unknown
- 1995-07-13 CA CA002170636A patent/CA2170636A1/en not_active Abandoned
-
1996
- 1996-02-14 US US08/601,491 patent/US5675581A/en not_active Expired - Lifetime
- 1996-03-12 FI FI961150A patent/FI961150A7/fi unknown
-
2001
- 2001-10-30 CN CNB011377658A patent/CN1263237C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5675581A (en) | 1997-10-07 |
| HK1015195A1 (en) | 1999-10-08 |
| RU2138124C1 (ru) | 1999-09-20 |
| MY131784A (en) | 2007-08-30 |
| AU688090B2 (en) | 1998-03-05 |
| CN1404239A (zh) | 2003-03-19 |
| EP0719481A1 (en) | 1996-07-03 |
| DE69523030D1 (de) | 2001-11-08 |
| IL114560A0 (en) | 1995-11-27 |
| TW308762B (pt) | 1997-06-21 |
| CN1130450A (zh) | 1996-09-04 |
| CA2170636A1 (en) | 1996-02-01 |
| JP3078328B2 (ja) | 2000-08-21 |
| WO1996002986A1 (en) | 1996-02-01 |
| CN1263237C (zh) | 2006-07-05 |
| CN1082287C (zh) | 2002-04-03 |
| AU3129195A (en) | 1996-02-16 |
| FI961150A7 (fi) | 1996-05-10 |
| DE69523030T2 (de) | 2002-06-27 |
| MX9600954A (es) | 1997-06-28 |
| JPH09503118A (ja) | 1997-03-25 |
| ATE206575T1 (de) | 2001-10-15 |
| KR100351787B1 (ko) | 2002-12-28 |
| ZA955605B (en) | 1996-04-10 |
| EP0719481B1 (en) | 2001-10-04 |
| FI961150A0 (fi) | 1996-03-12 |
| KR960705412A (ko) | 1996-10-09 |
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