TW200742285A - Despreading-on-demand for use in spread spectrum receivers - Google Patents

Despreading-on-demand for use in spread spectrum receivers

Info

Publication number
TW200742285A
TW200742285A TW095146739A TW95146739A TW200742285A TW 200742285 A TW200742285 A TW 200742285A TW 095146739 A TW095146739 A TW 095146739A TW 95146739 A TW95146739 A TW 95146739A TW 200742285 A TW200742285 A TW 200742285A
Authority
TW
Taiwan
Prior art keywords
data
despreading
despread
rate
buffered
Prior art date
Application number
TW095146739A
Other languages
English (en)
Other versions
TWI425774B (zh
Inventor
Henrik Olson
Bjorn Forsberg
Georg Mesko
Erik Nordhamn
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of TW200742285A publication Critical patent/TW200742285A/zh
Application granted granted Critical
Publication of TWI425774B publication Critical patent/TWI425774B/zh

Links

Classifications

    • 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
    • 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • H04B2201/70705—Rate detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
TW095146739A 2005-12-14 2006-12-13 用於擴展頻譜接收器中之隨選解擴展 TWI425774B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75006805P 2005-12-14 2005-12-14

Publications (2)

Publication Number Publication Date
TW200742285A true TW200742285A (en) 2007-11-01
TWI425774B TWI425774B (zh) 2014-02-01

Family

ID=38163359

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095146739A TWI425774B (zh) 2005-12-14 2006-12-13 用於擴展頻譜接收器中之隨選解擴展

Country Status (6)

Country Link
US (1) US7751499B2 (zh)
EP (1) EP1961135B1 (zh)
JP (1) JP5312040B2 (zh)
CN (1) CN101371464A (zh)
TW (1) TWI425774B (zh)
WO (1) WO2007070002A2 (zh)

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JP4434034B2 (ja) * 2005-02-18 2010-03-17 株式会社日立製作所 適応変調方式に適したベースバンド復調アーキテクチャ
JP4356702B2 (ja) * 2006-03-03 2009-11-04 ソニー株式会社 無線通信装置及び無線通信方法
WO2008038124A2 (en) 2006-09-29 2008-04-03 Nokia Corporation Apparatus, method and computer program providing usage of e dch as rach shared channel
ATE553615T1 (de) * 2006-10-30 2012-04-15 Nokia Corp Bereitstellung von parametern für direktzugriff auf einen erweiterten dedizierten kanal (e-dch)
US8897276B2 (en) * 2007-01-25 2014-11-25 Nokia Corporation Collision detection for random access procedure
US8437315B2 (en) * 2007-08-01 2013-05-07 Broadcom Corporation Firmware processing for downlink F-DPCH
US8917711B2 (en) * 2007-10-25 2014-12-23 Nokia Corporation Method for fast transmission type selection in WCDMA UMTS
CN101217305B (zh) * 2008-01-02 2011-05-04 华为技术有限公司 专用物理数据信道数据的处理方法和装置
US8249231B2 (en) * 2008-01-28 2012-08-21 International Business Machines Corporation System and computer program product for predicting churners in a telecommunications network
US8194830B2 (en) * 2008-01-28 2012-06-05 International Business Machines Corporation Method for predicting churners in a telecommunications network
JP5320811B2 (ja) * 2008-05-13 2013-10-23 富士通株式会社 Ｒａｋｅ受信機、基地局装置、受信制御方法および受信制御プログラム
US20120093200A1 (en) * 2010-10-14 2012-04-19 Electronics And Telecommunications Research Institute Continuous orthogonal spreading code based ultra-high performance array antenna system
KR101634466B1 (ko) * 2011-11-01 2016-07-08 엘지전자 주식회사 무선통신 시스템에서 ack/nack 수신 방법 및 장치
EP2662991B1 (en) 2012-05-10 2019-06-26 Alcatel Lucent Multiple-input-multiple-output (MIMO) communication
CN104321973B (zh) * 2013-03-27 2016-05-25 华为技术有限公司 无线通信方法、用户设备、基站及系统
CN104145441B (zh) * 2014-03-31 2017-06-20 华为技术有限公司 一种无线网络控制器、基站及冲突码资源的排除方法
US10191986B2 (en) 2014-08-11 2019-01-29 Microsoft Technology Licensing, Llc Web resource compatibility with web applications
US9397723B2 (en) * 2014-08-26 2016-07-19 Microsoft Technology Licensing, Llc Spread spectrum wireless over non-contiguous channels
CN104331266B (zh) * 2014-10-22 2018-04-27 安徽皖通邮电股份有限公司 一种实现任意数据位宽转换的方法和装置
CN105991159B (zh) * 2015-02-13 2019-07-02 中兴通讯股份有限公司 数据传输方法及装置
CN116405358B (zh) * 2023-04-26 2023-12-26 北京和德宇航技术有限公司 数据调制、数据传输方法、装置、设备及存储介质

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US5544156A (en) 1994-04-29 1996-08-06 Telefonaktiebolaget Lm Ericsson Direct sequence CDMA coherent uplink detector
US6222875B1 (en) * 1997-07-11 2001-04-24 Telefonaktiebolaget Lm Ericsson (Publ) Low-delay rate detection for variable rate communication systems
US6532250B1 (en) * 1999-12-21 2003-03-11 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for spreading and despreading information signals in code division multiple access communications systems
JP4416922B2 (ja) * 2000-06-07 2010-02-17 株式会社日立国際電気 符号分割多重アクセス受信機
JP3399923B2 (ja) * 2000-11-29 2003-04-28 松下電器産業株式会社 通信端末装置および通信端末装置における復号化方法
KR100803115B1 (ko) 2001-06-07 2008-02-14 엘지전자 주식회사 적응 안테나 어레이가 구비된 wｃｄｍａ 시스템에서의 신호 처리 방법 이를 위한 시스템
JP3871540B2 (ja) * 2001-10-05 2007-01-24 富士通株式会社 受信装置および半導体装置
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JP4152205B2 (ja) * 2003-01-29 2008-09-17 富士通株式会社 ディジタルベースバンド変／復調装置
JP2005072900A (ja) * 2003-08-22 2005-03-17 Matsushita Electric Ind Co Ltd 無線通信方法、無線通信システム、無線基地局装置及び通信端末装置
JP2005286587A (ja) * 2004-03-29 2005-10-13 Hitachi Kokusai Electric Inc 逆拡散装置
US7359429B2 (en) * 2004-04-19 2008-04-15 Nokia Corporation Support of the determination of a correlation

Also Published As

Publication number Publication date
WO2007070002A3 (en) 2007-08-09
EP1961135A2 (en) 2008-08-27
TWI425774B (zh) 2014-02-01
EP1961135A4 (en) 2012-08-15
JP5312040B2 (ja) 2013-10-09
EP1961135B1 (en) 2018-02-28
US7751499B2 (en) 2010-07-06
CN101371464A (zh) 2009-02-18
JP2009519674A (ja) 2009-05-14
WO2007070002A2 (en) 2007-06-21
US20070189365A1 (en) 2007-08-16

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees