ATE526730T1 - Bestimmung eines detektionssignals in einem spreizspektrumnachrichtenübertragungssystem - Google Patents

Bestimmung eines detektionssignals in einem spreizspektrumnachrichtenübertragungssystem

Info

Publication number
ATE526730T1
ATE526730T1 AT05388024T AT05388024T ATE526730T1 AT E526730 T1 ATE526730 T1 AT E526730T1 AT 05388024 T AT05388024 T AT 05388024T AT 05388024 T AT05388024 T AT 05388024T AT E526730 T1 ATE526730 T1 AT E526730T1
Authority
AT
Austria
Prior art keywords
symbols
detection signal
subset
signal
spread
Prior art date
Application number
AT05388024T
Other languages
English (en)
Inventor
Johan Nilsson
Bo Bernhardsson
Bengt Lindoff
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
Application granted granted Critical
Publication of ATE526730T1 publication Critical patent/ATE526730T1/de

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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0048—Walsh
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/18—Allocation of orthogonal codes
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
AT05388024T 2005-03-21 2005-03-21 Bestimmung eines detektionssignals in einem spreizspektrumnachrichtenübertragungssystem ATE526730T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05388024A EP1705806B1 (de) 2005-03-21 2005-03-21 Bestimmung eines Detektionssignals in einem Spreizspektrumnachrichtenübertragungssystem

Publications (1)

Publication Number Publication Date
ATE526730T1 true ATE526730T1 (de) 2011-10-15

Family

ID=34942834

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05388024T ATE526730T1 (de) 2005-03-21 2005-03-21 Bestimmung eines detektionssignals in einem spreizspektrumnachrichtenübertragungssystem

Country Status (7)

Country Link
US (1) US7949036B2 (de)
EP (1) EP1705806B1 (de)
KR (1) KR101194903B1 (de)
CN (1) CN101171759B (de)
AT (1) ATE526730T1 (de)
ES (1) ES2374205T3 (de)
WO (1) WO2006099973A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8094574B2 (en) * 2007-08-20 2012-01-10 Marvell International Ltd. Method and apparatus for wireless receiving
US8958460B2 (en) 2008-03-18 2015-02-17 On-Ramp Wireless, Inc. Forward error correction media access control system
US8520721B2 (en) 2008-03-18 2013-08-27 On-Ramp Wireless, Inc. RSSI measurement mechanism in the presence of pulsed jammers
US8477830B2 (en) 2008-03-18 2013-07-02 On-Ramp Wireless, Inc. Light monitoring system using a random phase multiple access system
KR100958319B1 (ko) 2008-06-17 2010-05-17 경희대학교 산학협력단 다중 입력 다중 출력 시스템의 신호 검출 장치
US8363699B2 (en) 2009-03-20 2013-01-29 On-Ramp Wireless, Inc. Random timing offset determination
US8498321B2 (en) * 2009-09-15 2013-07-30 Broadcom Corporation Method and system for optimizing programmable interference suppression
US8509287B2 (en) * 2009-10-23 2013-08-13 Broadcom Corporation Method and system for diversity processing utilizing a programmable interface suppression module
US8498324B2 (en) * 2009-10-23 2013-07-30 Broadcom Corporation Method and system for interference suppression between multipath signals utilizing a programmable interface suppression module
US8284819B2 (en) * 2009-10-21 2012-10-09 Broadcom Corporation Method and system for interference suppression in WCDMA systems
US8358604B2 (en) * 2009-12-23 2013-01-22 Qualcomm Incorporated Method and apparatus for facilitating cell detection using additional physical channels in a wireless communication system
CN102571256B (zh) * 2010-12-30 2014-10-01 中国移动通信集团山东有限公司 扰码对确定方法及装置
CN108988906B (zh) * 2018-07-23 2019-10-22 中国电子科技集团公司第五十四研究所 一种数据速率可变的非相干扩频通信装置
CN111200863B (zh) * 2019-12-30 2021-09-03 展讯通信（上海）有限公司 Wi-Fi弱信号的确定方法及装置、存储介质、终端
KR102313034B1 (ko) * 2021-05-21 2021-10-15 호서대학교 산학협력단 수중 통신장치 및 그 id 송수신 방법
CN114759947B (zh) * 2022-04-11 2023-03-24 西安电子科技大学 多路线性扩频信号在并行传输下的扩频因子检测方法
CN117572169B (zh) * 2023-11-20 2024-05-14 浙江大学 一种基于超声数据处理技术进行局放检测的方法及探头

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5691974A (en) * 1995-01-04 1997-11-25 Qualcomm Incorporated Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy
JP4386574B2 (ja) * 1997-10-10 2009-12-16 クゥアルコム・インコーポレイテッド マルチユーザ通信システムにおけるマルチレイヤードｐｎコード拡散
US6668011B1 (en) * 1998-12-21 2003-12-23 Nortel Networks Limited Block detection receiver
US6661833B1 (en) * 2000-01-31 2003-12-09 Qualcomm Incorporated PN generators for spread spectrum communications systems
GB2384665B (en) * 2002-01-25 2004-11-17 Toshiba Res Europ Ltd Reciever processing systems
US7643596B2 (en) * 2002-09-09 2010-01-05 Infineon Technologies Ag Method and device for synchronizing a mobile radio receiver with a base station involving parallel verification
EP1441449A1 (de) * 2003-01-27 2004-07-28 Agilent Technologies, Inc. - a Delaware corporation - Programmierbarer Erfassungsmodul für einen CDMA-basierten Multistandard-Empfänger

Also Published As

Publication number Publication date
CN101171759B (zh) 2011-03-30
WO2006099973A1 (en) 2006-09-28
US20080212654A1 (en) 2008-09-04
CN101171759A (zh) 2008-04-30
EP1705806B1 (de) 2011-09-28
KR20070114807A (ko) 2007-12-04
ES2374205T3 (es) 2012-02-14
US7949036B2 (en) 2011-05-24
EP1705806A1 (de) 2006-09-27
KR101194903B1 (ko) 2012-10-25

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