BR0116620A - Método de estimar a potência de interferência em um receptor de um sistema de comunicação, receptor de um sistema de comunicação, e, sistema w-cdma - Google Patents

Método de estimar a potência de interferência em um receptor de um sistema de comunicação, receptor de um sistema de comunicação, e, sistema w-cdma

Info

Publication number
BR0116620A
BR0116620A BR0116620-4A BR0116620A BR0116620A BR 0116620 A BR0116620 A BR 0116620A BR 0116620 A BR0116620 A BR 0116620A BR 0116620 A BR0116620 A BR 0116620A
Authority
BR
Brazil
Prior art keywords
receiver
communication system
interference power
cdma
estimating interference
Prior art date
Application number
BR0116620-4A
Other languages
English (en)
Inventor
Esa Tiirola
Kari Pajukoski
Original Assignee
Nokia Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Corp filed Critical Nokia Corp
Publication of BR0116620A publication Critical patent/BR0116620A/pt

Links

Classifications

    • 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
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Transmission System (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Noise Elimination (AREA)

Abstract

"MéTODO DE ESTIMAR A POTêNCIA DE INTERFERêNCIA EM UM RECEPTOR DE UM SISTEMA DE COMUNICAçãO, RECEPTOR DE UM SISTEMA DE COMUNICAçãO, E, SISTEMA W-CDMA". é proposta uma técnica para determinar uma estimação de potência de interferência no receptor de um sistema de comunicação utilizando técnicas de antena auto-adaptável. A técnica utiliza informações transmitidas nos sinais de antena e nos sinais de feixe para determinar a estimação da potência de interferência.
BR0116620-4A 2000-12-29 2001-12-20 Método de estimar a potência de interferência em um receptor de um sistema de comunicação, receptor de um sistema de comunicação, e, sistema w-cdma BR0116620A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0031841.0A GB0031841D0 (en) 2000-12-29 2000-12-29 Interference power estimation for adaptive antenna system
PCT/EP2001/015155 WO2002054638A1 (en) 2000-12-29 2001-12-20 Interference power estimation for adaptive antenna system

Publications (1)

Publication Number Publication Date
BR0116620A true BR0116620A (pt) 2003-12-23

Family

ID=9906035

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0116620-4A BR0116620A (pt) 2000-12-29 2001-12-20 Método de estimar a potência de interferência em um receptor de um sistema de comunicação, receptor de um sistema de comunicação, e, sistema w-cdma

Country Status (12)

Country Link
US (1) US7656967B2 (pt)
EP (1) EP1336265B1 (pt)
JP (1) JP2004517552A (pt)
KR (1) KR100586260B1 (pt)
CN (1) CN1483254A (pt)
AT (1) ATE273588T1 (pt)
BR (1) BR0116620A (pt)
CA (1) CA2432956C (pt)
DE (1) DE60104882T2 (pt)
ES (1) ES2225633T3 (pt)
GB (1) GB0031841D0 (pt)
WO (1) WO2002054638A1 (pt)

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GB0031834D0 (en) * 2000-12-29 2001-02-14 Nokia Networks Oy Parameter estimation for adaptive antenna system
JP3973017B2 (ja) * 2002-02-14 2007-09-05 富士通株式会社 干渉電力を推定する無線受信機
EP1916777B1 (en) * 2002-08-01 2011-09-28 Interdigital Technology Corporation Power control of point to multipoint physical channels
US8320301B2 (en) 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US8208364B2 (en) * 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US7002900B2 (en) * 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US7200190B2 (en) * 2003-06-30 2007-04-03 Motorola, Inc. Unbiased signal to interference ratio in wireless communications devices and methods therefor
US7054664B2 (en) * 2003-10-30 2006-05-30 Lucent Technologies Inc. Method and apparatus for providing user specific downlink beamforming in a fixed beam network
US7822155B2 (en) * 2003-11-04 2010-10-26 Telefonaktiebolaget L M Ericsson (Publ) Interference estimation in CDMA systems using alternative scrambling codes
US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
KR100849330B1 (ko) * 2004-09-02 2008-07-29 삼성전자주식회사 무선 통신 시스템에서 적응 송수신 장치 및 방법
KR100657827B1 (ko) 2004-10-22 2006-12-14 삼성전자주식회사 파일럿 채널의 신호 전력 감쇄 비율을 이용한 신호 대간섭 비 측정 방법 및 이를 이용한 신호 대 간섭 비 측정장치
FI20055229A0 (fi) * 2005-05-16 2005-05-16 Nokia Corp Signaali-häiriö-tehosuhteen estimaattori
CN101860945B (zh) * 2007-01-31 2013-04-10 夏普株式会社 基站装置及其通信方法
JP4729729B2 (ja) * 2007-02-26 2011-07-20 学校法人 名城大学 品質評価装置、受信装置、品質評価方法および品質評価プログラム
GB0706781D0 (en) * 2007-04-05 2007-05-16 Vodafone Plc Telecommunications networks and devices
CN110677189B (zh) * 2019-10-09 2022-02-15 四川灵通电讯有限公司 低轨卫星多波束检测装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5933421A (en) * 1997-02-06 1999-08-03 At&T Wireless Services Inc. Method for frequency division duplex communications
JP3586348B2 (ja) * 1997-03-05 2004-11-10 富士通株式会社 信号対干渉電力比測定装置及び信号対干渉電力比測定方法並びにｃｄｍａ通信方式下での送信電力制御方法
JP3274388B2 (ja) 1997-07-25 2002-04-15 株式会社東芝 Ｒａｋｅ受信機とこのｒａｋｅ受信機を備えたスぺクトラム拡散通信装置
US6108565A (en) 1997-09-15 2000-08-22 Adaptive Telecom, Inc. Practical space-time radio method for CDMA communication capacity enhancement
JP3266091B2 (ja) 1998-03-04 2002-03-18 日本電気株式会社 セルラシステム
US6483821B1 (en) * 1998-04-22 2002-11-19 Texas Instruments Incorporated CDMA mobile communications system and method with improved channel estimation and pilot symbol transmission
US6587696B1 (en) * 1998-07-31 2003-07-01 Nokia Mobile Phones Limited Power control technique utilizing forward pilot channel
US6259918B1 (en) 1999-02-26 2001-07-10 Telefonaktiebolaget Lm (Publ) Preservation of cell borders at hand-off within a smart antenna cellular system
SE517197C2 (sv) * 1999-04-15 2002-05-07 Ericsson Telefon Ab L M Adaptiv sektorindelning
ES2162512T3 (es) * 1999-06-24 2001-12-16 Cit Alcatel Receptor y metodo para transmision cdma con buscador de caminos mejorado.
JP3369513B2 (ja) * 1999-07-02 2003-01-20 松下電器産業株式会社 通信端末装置及び無線受信方法
KR100689398B1 (ko) * 1999-10-09 2007-03-08 삼성전자주식회사 이동통신시스템에서 폐루프 송신 안테나 다이버시티 장치 및 방법
KR100435795B1 (ko) * 2000-01-14 2004-06-10 마츠시타 덴끼 산교 가부시키가이샤 무선 기지국 장치 및 무선 통신 방법

Also Published As

Publication number Publication date
ATE273588T1 (de) 2004-08-15
US20040076132A1 (en) 2004-04-22
JP2004517552A (ja) 2004-06-10
US7656967B2 (en) 2010-02-02
CA2432956C (en) 2006-05-30
GB0031841D0 (en) 2001-02-14
KR20030064879A (ko) 2003-08-02
WO2002054638A1 (en) 2002-07-11
DE60104882D1 (de) 2004-09-16
EP1336265B1 (en) 2004-08-11
KR100586260B1 (ko) 2006-06-07
CA2432956A1 (en) 2002-07-11
ES2225633T3 (es) 2005-03-16
DE60104882T2 (de) 2005-08-18
EP1336265A1 (en) 2003-08-20
CN1483254A (zh) 2004-03-17

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B08L Patent application lapsed because of non payment of annual fee [chapter 8.12 patent gazette]

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B08I Publication cancelled [chapter 8.9 patent gazette]

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

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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: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2602 DE 17-11-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.