AU2002236588A1 - System for direct sequence spreading - Google Patents

System for direct sequence spreading

Info

Publication number
AU2002236588A1
AU2002236588A1 AU2002236588A AU3658802A AU2002236588A1 AU 2002236588 A1 AU2002236588 A1 AU 2002236588A1 AU 2002236588 A AU2002236588 A AU 2002236588A AU 3658802 A AU3658802 A AU 3658802A AU 2002236588 A1 AU2002236588 A1 AU 2002236588A1
Authority
AU
Australia
Prior art keywords
direct sequence
sequence spreading
spreading
direct
sequence
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2002236588A
Other languages
English (en)
Inventor
Brian K Butler
Deepu John
Jafar M. Mohseni
Haitao Zhang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of AU2002236588A1 publication Critical patent/AU2002236588A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • 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
    • H04B1/709—Correlator structure
    • H04B1/7093—Matched filter type
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Complex Calculations (AREA)
AU2002236588A 2000-11-03 2001-11-03 System for direct sequence spreading Abandoned AU2002236588A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US24523200P 2000-11-03 2000-11-03
US60/245,232 2000-11-03
PCT/US2001/047367 WO2002039611A2 (fr) 2000-11-03 2001-11-03 Systeme d'etalement en sequence directe

Publications (1)

Publication Number Publication Date
AU2002236588A1 true AU2002236588A1 (en) 2002-05-21

Family

ID=22925838

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002236588A Abandoned AU2002236588A1 (en) 2000-11-03 2001-11-03 System for direct sequence spreading

Country Status (7)

Country Link
US (1) US6999500B2 (fr)
EP (2) EP2081300A1 (fr)
JP (3) JP2004535084A (fr)
KR (2) KR100906540B1 (fr)
CN (1) CN100488068C (fr)
AU (1) AU2002236588A1 (fr)
WO (1) WO2002039611A2 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7545849B1 (en) * 2003-03-28 2009-06-09 Google Inc. Signal spectrum spreading and combining system and method
US8374218B2 (en) 2000-12-05 2013-02-12 Google Inc. Combining signals with a shuffled-hadamard function
US8385470B2 (en) * 2000-12-05 2013-02-26 Google Inc. Coding a signal with a shuffled-Hadamard function
JP2002237768A (ja) * 2001-02-07 2002-08-23 Sony Corp 送信装置および方法、受信装置および方法、ならびに、送受信装置および方法
US7376175B2 (en) * 2001-03-14 2008-05-20 Mercury Computer Systems, Inc. Wireless communications systems and methods for cache enabled multiple processor based multiple user detection
WO2002073230A2 (fr) * 2001-03-14 2002-09-19 Mercury Computer Systems, Inc. Procedes et systemes de communications sans fil pour traitement par code abrege et autre traitement par forme d'onde avec etalement du spectre
US7453921B1 (en) 2001-12-11 2008-11-18 Google Inc. LPC filter for removing periodic and quasi-periodic interference from spread spectrum signals
DE10250939B4 (de) * 2002-10-31 2006-04-27 Advanced Micro Devices, Inc., Sunnyvale DSSS und CCK-Basisband-Codierungsgerät und Verfahren
US7352833B2 (en) * 2002-11-18 2008-04-01 Google Inc. Method and system for temporal autocorrelation filtering
US7773693B2 (en) * 2004-10-07 2010-08-10 Samsung Electronics Co., Ltd. Apparatus and method for direct quadrature power amplifier modulation
EP1994705A2 (fr) * 2006-03-13 2008-11-26 Interdigital Technology Corporation Émetteur numérique
CN111735773B (zh) * 2020-05-29 2022-04-22 武汉派奥斯传感技术有限公司 一种光声光谱单元中微音器输出信号的处理系统及方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
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
KR970011690B1 (ko) * 1994-11-22 1997-07-14 삼성전자 주식회사 파일럿트 채널을 이용한 대역확산 통신시스템의 데이타 송신기 및 수신기
KR0173101B1 (ko) * 1996-08-14 1999-03-30 양승택 직접 시퀀스 확산 스펙트럼 통신용 월쉬-4상 위상변조 칩 변조 장치
JPH1079727A (ja) * 1996-09-02 1998-03-24 Kokusai Electric Co Ltd 同期確立方式
DE19708626C2 (de) * 1997-03-04 1999-08-05 Rohde & Schwarz Nach dem Spreizspektrumverfahren arbeitendes Funkkommunikationssystem
KR100365346B1 (ko) * 1997-09-09 2003-04-11 삼성전자 주식회사 이동통신시스템의쿼시직교부호생성및쿼시직교부호를이용한대역확산장치및방법
US6373827B1 (en) * 1997-10-20 2002-04-16 Wireless Facilities, Inc. Wireless multimedia carrier system
JP3913879B2 (ja) * 1998-02-03 2007-05-09 富士通株式会社 移動速度に基づく通信制御装置および方法
JP3109589B2 (ja) * 1998-03-18 2000-11-20 日本電気株式会社 Ｃｄｍａ端末の送信パワー調整方法及び装置
JPH11266475A (ja) * 1998-03-18 1999-09-28 Fujitsu Ltd 基地局コード識別方法及び移動局
KR100383575B1 (ko) * 1998-05-12 2004-06-26 삼성전자주식회사 단말기의송신전력에서피크전력대평균전력비를줄이기위한확산변조방법및장치
JP3680592B2 (ja) * 1998-10-30 2005-08-10 株式会社日立製作所 通信装置
US6535500B1 (en) * 1999-08-06 2003-03-18 Samsung Electronics, Co., Ltd. Transmitter of a mobile station in a CDMA communications system and method therefor

Also Published As

Publication number Publication date
KR100906540B1 (ko) 2009-07-07
JP2011045096A (ja) 2011-03-03
EP1388214A2 (fr) 2004-02-11
KR20030048112A (ko) 2003-06-18
JP2007306582A (ja) 2007-11-22
KR20090053870A (ko) 2009-05-27
CN100488068C (zh) 2009-05-13
WO2002039611A2 (fr) 2002-05-16
US20020118728A1 (en) 2002-08-29
US6999500B2 (en) 2006-02-14
JP2004535084A (ja) 2004-11-18
CN1516928A (zh) 2004-07-28
KR100906537B1 (ko) 2009-07-07
EP2081300A1 (fr) 2009-07-22
WO2002039611A3 (fr) 2003-12-11

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