BR0013867A - Método e aparelho para medição de interferência co-canal - Google Patents
Método e aparelho para medição de interferência co-canalInfo
- Publication number
- BR0013867A BR0013867A BR0013867-3A BR0013867A BR0013867A BR 0013867 A BR0013867 A BR 0013867A BR 0013867 A BR0013867 A BR 0013867A BR 0013867 A BR0013867 A BR 0013867A
- Authority
- BR
- Brazil
- Prior art keywords
- interference
- channel interference
- carriers
- base station
- bursts
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000000969 carrier Substances 0.000 abstract 3
- 238000004891 communication Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 238000010295 mobile communication Methods 0.000 abstract 1
- 230000011664 signaling Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
-
- 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
- H04W16/14—Spectrum sharing arrangements between different networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
"MéTODO E APARELHO PARA MEDIçãO DE INTERFERêNCIA CO-CANAL". Um sistema de comunicação móvel (10) inclui segmentos de célula (14) cada um deles associado a uma estação base (18). A estação base inclui transceptores (25, 27) capazes de comunicar sobre dois conjuntos de portadoras (26, 28). Um primeiro conjunto de portadoras (26) porta o tráfego comutado por circuito, enquanto o segundo conjunto de portadoras (28) porta dados comutados por pacote. Medições de interferência co-canal são feitas pelas unidades móveis (20) ou por uma estação base servidora (18) em cada segmento de célula (14) durante as comunicações de rajadas ativas de tráfego ou de sinalização de controle. Tais rajadas podem incluir uma seq³ência de treinamento que é utilizada pelo dispositivo medidor para recriar uma rajada sem contribuições de interferência. A interferência co-canal é então determinada com base nas rajadas recriadas e as rajadas recebidas. Valores de interferência múltipla podem ser derivados e aplicados a um filtro de média para calcular o valor de contribuição de interferência final.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15315899P | 1999-09-09 | 1999-09-09 | |
US09/517,381 US6256486B1 (en) | 1999-09-09 | 2000-03-02 | Method and apparatus for measuring co-channel interference |
PCT/US2000/017597 WO2001018978A2 (en) | 1999-09-09 | 2000-06-27 | Method and apparatus for measuring co-channel interference |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0013867A true BR0013867A (pt) | 2002-09-17 |
Family
ID=26850231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0013867-3A BR0013867A (pt) | 1999-09-09 | 2000-06-27 | Método e aparelho para medição de interferência co-canal |
Country Status (8)
Country | Link |
---|---|
US (1) | US6256486B1 (pt) |
EP (1) | EP1228579A2 (pt) |
KR (1) | KR20020047157A (pt) |
CN (1) | CN1408149A (pt) |
AU (1) | AU5892900A (pt) |
BR (1) | BR0013867A (pt) |
HK (1) | HK1054471A1 (pt) |
WO (1) | WO2001018978A2 (pt) |
Families Citing this family (49)
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EP1049281B1 (fr) * | 1999-04-19 | 2004-12-01 | Alcatel | Système TDMA multipoint à point utilisant une structure de burst particulière et émetteur correspondant |
US6597681B1 (en) * | 1999-11-23 | 2003-07-22 | Lucent Technologies Inc. | Time-based mapping of control channel bursts in a wireless communication network |
KR100749029B1 (ko) * | 1999-12-09 | 2007-08-13 | 노키아 코포레이션 | 패킷 무선 서비스 애플리케이션들을 위한 이동 장비 기반필터링 |
US6940845B2 (en) * | 2000-03-23 | 2005-09-06 | At & T, Corp. | Asymmetric measurement-based dynamic packet assignment system and method for wireless data services |
US6707798B1 (en) * | 2000-03-31 | 2004-03-16 | Ensemble Communications | Method and apparatus for reducing co-channel interference in a frame-synchronized wireless communication system |
US6477382B1 (en) * | 2000-06-12 | 2002-11-05 | Intel Corporation | Flexible paging for packet data |
US7512109B2 (en) * | 2000-09-29 | 2009-03-31 | Intel Corporation | Slot structure for radio communications system |
US6901244B1 (en) * | 2000-10-23 | 2005-05-31 | Oren Semiconductor Ltd. | Training signal in a single carrier transmission |
US7142580B1 (en) * | 2000-10-24 | 2006-11-28 | Ericsson, Inc. | Systems, methods, and computer program products for providing traffic frequency diversification in a cellular communication system |
US6819930B1 (en) | 2000-11-03 | 2004-11-16 | Lucent Technologies Inc. | Apparatus and method for use in allocating a channel resource in wireless multiple access communications systems |
CA2431050A1 (en) * | 2000-12-08 | 2002-06-13 | Harris Broadband Wireless Access, Inc. | System and method for inband signaling for sector synchronization in a wireless communication system |
WO2002062121A2 (en) | 2001-02-07 | 2002-08-15 | Dynamic Telecommunications Inc. | Apparatus and method for providing signal quality measurements in drive test systems for wireless networks |
US6842476B2 (en) * | 2001-02-09 | 2005-01-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Co-channel interference canceller |
US20020114311A1 (en) * | 2001-02-16 | 2002-08-22 | Sara Mazur | Continuous allocation of real-time traffic in a telecommunication system |
US7042856B2 (en) * | 2001-05-03 | 2006-05-09 | Qualcomm, Incorporation | Method and apparatus for controlling uplink transmissions of a wireless communication system |
EP1282245A1 (en) * | 2001-07-30 | 2003-02-05 | Telefonaktiebolaget L M Ericsson (Publ) | Channel estimation in a multi carrier transmit diversity system |
DE10137583A1 (de) * | 2001-08-01 | 2003-02-13 | Siemens Ag | Verfahren zum Betreiben eines Funksystems sowie entsprechend ausgestaltetes Funksystem und entsprechend ausgestalteter Sender und Empfänger |
US7068631B2 (en) * | 2001-08-06 | 2006-06-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Training sequence hopping in a radio communication system |
US7242907B2 (en) * | 2001-12-10 | 2007-07-10 | Harris Corporation | System and method for inband signaling for sector synchronization in a wireless communication system |
US6928287B2 (en) * | 2002-06-28 | 2005-08-09 | Arraycomm, Inc. | Efficient broadcast channel structure and use for spatial diversity communications |
US7453861B2 (en) * | 2002-08-02 | 2008-11-18 | At&T Corp | System and method for estimating interference in a packet-based wireless network |
DE10241959A1 (de) * | 2002-09-10 | 2004-03-11 | Siemens Ag | Verfahren zur Signalübertragung in einem Funk-Kommunikationssystem |
DK1576838T3 (da) * | 2002-12-05 | 2014-04-14 | Qualcomm Inc | Allokering af en kanalressource i et system |
US7221722B2 (en) * | 2003-02-27 | 2007-05-22 | Motorola, Inc. | Method and apparatus for reducing interference within a communication system |
US8100824B2 (en) | 2003-05-23 | 2012-01-24 | Intuitive Surgical Operations, Inc. | Tool with articulation lock |
US20070249358A1 (en) * | 2003-10-14 | 2007-10-25 | Garrison G J | System and method for frequency re-use in a sectorized cell pattern in a wireless communication system |
US7813457B2 (en) * | 2003-12-29 | 2010-10-12 | Intel Corporation | Device, system and method for detecting and handling co-channel interference |
WO2006059928A1 (en) * | 2004-11-30 | 2006-06-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for smm capability distribution |
KR100679836B1 (ko) * | 2006-03-02 | 2007-02-06 | 엘지전자 주식회사 | 근거리 통신에서의 채널의 간섭 여부 판별 방법 |
US20070217441A1 (en) * | 2006-03-20 | 2007-09-20 | Sriram Mudulodu | Method and system for estimating co-channel interference in a frame of a block transmission system |
KR100967698B1 (ko) * | 2006-09-01 | 2010-07-07 | 주식회사 포스코아이씨티 | 무선 통신 시스템에서 주파수 중복 사용 방법 및 이를 위한기지국시스템 |
US7983366B2 (en) | 2006-12-05 | 2011-07-19 | Intel Corporation | Transmission signaling techniques to enhance receiver interference mitigation performance |
KR101384894B1 (ko) * | 2007-01-05 | 2014-04-15 | 엘지전자 주식회사 | Egprs 시스템의 채널 품질 보고 방법 |
AR067299A1 (es) * | 2007-03-30 | 2009-10-07 | Interdigital Tech Corp | Control de potencia en sub-canales ortogonales en sistemas de comunicaciones inalambricas |
WO2008130297A1 (en) * | 2007-04-20 | 2008-10-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Improving inter-cell interference co-ordination |
US7822101B2 (en) * | 2007-06-25 | 2010-10-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for interference suppression in a wireless communication receiver |
WO2010061466A1 (ja) * | 2008-11-28 | 2010-06-03 | 富士通株式会社 | リーダライタ、無線タグ、プログラム、送受信システム及び送受信方法 |
WO2010078969A1 (en) * | 2009-01-12 | 2010-07-15 | Nokia Siemens Networks Oy | Method for adapting a downlink transmit power of a first base station adapted for serving a closed subscriber group in the presence of second base station |
US8830920B2 (en) | 2009-06-17 | 2014-09-09 | Qualcomm Incorporated | Resource block reuse for coordinated multi-point transmission |
US8406789B1 (en) * | 2011-12-22 | 2013-03-26 | Anite Finland Oy | Apparatus and method for detecting co-channels signals |
EP2920892A4 (en) * | 2012-11-15 | 2016-07-20 | Novelsat Ltd | ECHO CANCELLATION IN COMMUNICATION TRANSMITTER-RECEIVER APPARATUS |
WO2014205830A1 (zh) * | 2013-06-29 | 2014-12-31 | 华为技术有限公司 | 信号测量方法、设备和系统 |
CN105519001B (zh) * | 2014-07-31 | 2017-10-17 | 华为技术有限公司 | 一种传输同步信道sch的方法以及相关设备 |
EP3245741A4 (en) | 2015-01-14 | 2018-09-26 | Novelsat Ltd. | Echo cancellation with transmitter-side pre-filtering |
US9473253B1 (en) | 2015-05-22 | 2016-10-18 | Qualcomm Incorporated | Robust active self-interference cancellation in the presence of external in-band signals using guard region signal measurements |
US10785806B2 (en) * | 2017-05-19 | 2020-09-22 | Qualcomm Incorporated | On-demand interference management |
US20240039625A1 (en) * | 2020-11-26 | 2024-02-01 | Mediatek Singapore Pte. Ltd. | Spectrum sharing in ntn-tn coordination |
CN115733642A (zh) * | 2021-08-30 | 2023-03-03 | 华为技术有限公司 | 流量特征提取方法及装置 |
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IT1236977B (it) | 1989-12-22 | 1993-05-12 | Italtel Spa | Ricevitore per un sistema radiomobile digitale con cancellazione di segnali interferenti isofrequenziali aventi lo stesso tipo di modulazione,e relativo metodo |
CA2063901C (en) | 1991-03-25 | 2002-08-13 | Arunas G. Slekys | Cellular data overlay system |
US5603081A (en) | 1993-11-01 | 1997-02-11 | Telefonaktiebolaget Lm Ericsson | Method for communicating in a wireless communication system |
JP2605566B2 (ja) | 1992-12-25 | 1997-04-30 | 日本電気株式会社 | 適応型等化器 |
US5818876A (en) | 1993-02-01 | 1998-10-06 | Motorola, Inc. | Method and apparatus of adaptive maximum likelihood sequence estimation using a variable convergence step size |
US5959984A (en) * | 1997-07-23 | 1999-09-28 | Ericsson Inc. | Dual mode satellite/cellular terminal |
US5946625A (en) * | 1996-10-10 | 1999-08-31 | Ericsson, Inc. | Method for improving co-channel interference in a cellular system |
US5933768A (en) * | 1997-02-28 | 1999-08-03 | Telefonaktiebolaget L/M Ericsson | Receiver apparatus, and associated method, for receiving a receive signal transmitted upon a channel susceptible to interference |
US6052594A (en) * | 1997-04-30 | 2000-04-18 | At&T Corp. | System and method for dynamically assigning channels for wireless packet communications |
US6009334A (en) * | 1997-11-26 | 1999-12-28 | Telefonaktiebolaget L M Ericsson | Method and system for determining position of mobile radio terminals |
EP0994575A1 (en) | 1998-10-12 | 2000-04-19 | Hewlett-Packard Company | Extraction of primary and co-channel signals using propagation path metrics |
-
2000
- 2000-03-02 US US09/517,381 patent/US6256486B1/en not_active Expired - Lifetime
- 2000-06-27 KR KR1020027003189A patent/KR20020047157A/ko not_active Application Discontinuation
- 2000-06-27 WO PCT/US2000/017597 patent/WO2001018978A2/en not_active Application Discontinuation
- 2000-06-27 AU AU58929/00A patent/AU5892900A/en not_active Abandoned
- 2000-06-27 CN CN00815455A patent/CN1408149A/zh active Pending
- 2000-06-27 BR BR0013867-3A patent/BR0013867A/pt not_active IP Right Cessation
- 2000-06-27 EP EP00944904A patent/EP1228579A2/en not_active Withdrawn
-
2003
- 2003-09-17 HK HK03106666.7A patent/HK1054471A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
US6256486B1 (en) | 2001-07-03 |
AU5892900A (en) | 2001-04-10 |
WO2001018978A2 (en) | 2001-03-15 |
WO2001018978A3 (en) | 2002-06-06 |
EP1228579A2 (en) | 2002-08-07 |
KR20020047157A (ko) | 2002-06-21 |
CN1408149A (zh) | 2003-04-02 |
HK1054471A1 (zh) | 2003-11-28 |
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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 5A, 6A E 7A ANUIDADES. |
|
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 1927 DE 11/12/2007. |