SE520814C2 - Multipelaccesskommunikationssystem med ortogonal kodhoppning - Google Patents

Multipelaccesskommunikationssystem med ortogonal kodhoppning

Info

Publication number
SE520814C2
SE520814C2 SE9802651A SE9802651A SE520814C2 SE 520814 C2 SE520814 C2 SE 520814C2 SE 9802651 A SE9802651 A SE 9802651A SE 9802651 A SE9802651 A SE 9802651A SE 520814 C2 SE520814 C2 SE 520814C2
Authority
SE
Sweden
Prior art keywords
orthogonal code
orthogonal
digital signals
jump
communication system
Prior art date
Application number
SE9802651A
Other languages
English (en)
Swedish (sv)
Other versions
SE9802651L (sv
SE9802651D0 (sv
Inventor
Su-Won Park
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of SE9802651D0 publication Critical patent/SE9802651D0/xx
Publication of SE9802651L publication Critical patent/SE9802651L/xx
Publication of SE520814C2 publication Critical patent/SE520814C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0074—Code shifting or hopping
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
SE9802651A 1997-07-31 1998-07-31 Multipelaccesskommunikationssystem med ortogonal kodhoppning SE520814C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019970036679A KR100264862B1 (ko) 1997-07-31 1997-07-31 대역확산에따른직교부호도약다중접속방식통신시스템의송수신장치및그방법

Publications (3)

Publication Number Publication Date
SE9802651D0 SE9802651D0 (sv) 1998-07-31
SE9802651L SE9802651L (sv) 1999-02-01
SE520814C2 true SE520814C2 (sv) 2003-08-26

Family

ID=19516574

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9802651A SE520814C2 (sv) 1997-07-31 1998-07-31 Multipelaccesskommunikationssystem med ortogonal kodhoppning

Country Status (6)

Country Link
US (1) US6657985B1 (zh)
JP (1) JPH1198120A (zh)
KR (1) KR100264862B1 (zh)
CN (1) CN1084990C (zh)
GB (1) GB2331207B (zh)
SE (1) SE520814C2 (zh)

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KR100396506B1 (ko) * 1997-09-13 2003-12-24 삼성전자주식회사 이중직교부호도약다중접속장치및방법
CN1211969C (zh) * 1997-09-13 2005-07-20 三星电子株式会社 用于双正交码跳变多址通信系统的设备和方法
KR100755038B1 (ko) * 1999-08-05 2007-09-06 한국전자통신연구원 직교 부호 도약 다중화 통신 방식 및 장치
CA2281236C (en) 1999-09-01 2010-02-09 Tajinder Manku Direct conversion rf schemes using a virtually generated local oscillator
KR100370746B1 (ko) * 2000-05-30 2003-02-05 한국전자통신연구원 다차원 직교 자원 도약 다중화 통신 방식 및 장치
CA2421173A1 (en) * 2000-09-01 2002-03-07 Sirific Wireless Corporation Improved method and apparatus for up- and down- conversion of radio frequency (rf) signals
US7215931B2 (en) 2001-06-19 2007-05-08 Sirific Wireless Corporation Method and apparatus for up-and-down-conversion of radio frequency (RF) signals
KR100448894B1 (ko) * 2002-10-08 2004-09-18 한국전자통신연구원 다차원 직교 자원 도약 다중화 통신 방식에 기반한 디지털통신 시스템
US8391249B2 (en) 2003-02-18 2013-03-05 Qualcomm Incorporated Code division multiplexing commands on a code division multiplexed channel
US7155236B2 (en) 2003-02-18 2006-12-26 Qualcomm Incorporated Scheduled and autonomous transmission and acknowledgement
US20040160922A1 (en) 2003-02-18 2004-08-19 Sanjiv Nanda Method and apparatus for controlling data rate of a reverse link in a communication system
SE525794C2 (sv) * 2003-07-11 2005-04-26 Infineon Technologies Ag Förfarande och system för att överföra hemlig data i ett kommunikationsnätverk
US8489949B2 (en) 2003-08-05 2013-07-16 Qualcomm Incorporated Combining grant, acknowledgement, and rate control commands
US20060215735A1 (en) * 2003-08-13 2006-09-28 Francesc Dalmases Method and device for encrypting a digital data stream in a transmission system
US7154933B2 (en) * 2003-09-25 2006-12-26 Avneesh Agrawal Interference management for soft handoff and broadcast services in a wireless frequency hopping communication system
US7978747B1 (en) 2006-02-09 2011-07-12 L-3 Communications Corp. Waveform design hopping system and method
US7852745B2 (en) 2007-03-02 2010-12-14 Signalink Technologies Inc. Non-orthogonal frequency-division multiplexed communication through a non-linear transmission medium
KR101548324B1 (ko) 2007-08-08 2015-09-07 한국전자통신연구원 무선통신시스템에서 신호형성방법 및 장치
US8358613B1 (en) 2009-02-27 2013-01-22 L-3 Communications Corp. Transmitter-directed security for wireless-communications
US8817928B2 (en) 2010-06-01 2014-08-26 Ternarylogic Llc Method and apparatus for rapid synchronization of shift register related symbol sequences
CN102427375A (zh) * 2011-12-28 2012-04-25 哈尔滨工业大学 基于互补码的跳码多址接入方法
CN102664659B (zh) * 2012-04-10 2014-04-23 哈尔滨工业大学 基于码片级空时编码的多载波miso通信方法
CN110149123A (zh) * 2019-04-25 2019-08-20 中国科学院上海微系统与信息技术研究所 一种小流量多用户非正交fhma通信方法

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US4460992A (en) 1982-11-04 1984-07-17 The United States Of America As Represented By The Secretary Of The Army Orthogonal CDMA system utilizing direct sequence pseudo noise codes
JP2567253B2 (ja) 1987-08-27 1996-12-25 株式会社 ゼネラルリサ−チオブエレクトロニックス コ−ドホッピング式拡散スペクトル通信方式
US5235612A (en) * 1990-12-21 1993-08-10 Motorola, Inc. Method and apparatus for cancelling spread-spectrum noise
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US5459759A (en) * 1993-02-17 1995-10-17 Interdigital Technology Corporation Frequency hopping code division multiple access system and method
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JPH06350562A (ja) 1993-06-08 1994-12-22 Ricoh Co Ltd スペクトル拡散通信方式
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JPH0846591A (ja) 1994-07-27 1996-02-16 Oki Electric Ind Co Ltd スペクトル拡散通信方法
US5610907A (en) 1994-07-29 1997-03-11 Barrett; Terence W. Ultrafast time hopping CDMA-RF communications: code-as-carrier, multichannel operation, high data rate operation and data rate on demand
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JP2746190B2 (ja) 1995-04-27 1998-04-28 住友電気工業株式会社 スペクトラム拡散通信装置
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US6112094A (en) * 1998-04-06 2000-08-29 Ericsson Inc. Orthogonal frequency hopping pattern re-use scheme
US6246713B1 (en) * 1998-06-08 2001-06-12 Telefonaktiebolaget Lm Ericsson (Publ) Frequency-hopping in a bandwidth-on-demand system

Also Published As

Publication number Publication date
CN1211861A (zh) 1999-03-24
GB2331207B (en) 1999-11-17
KR19990013095A (ko) 1999-02-25
JPH1198120A (ja) 1999-04-09
GB2331207A9 (en) 1999-05-12
GB2331207A (en) 1999-05-12
GB9816682D0 (en) 1998-09-30
KR100264862B1 (ko) 2000-09-01
US6657985B1 (en) 2003-12-02
SE9802651L (sv) 1999-02-01
SE9802651D0 (sv) 1998-07-31
CN1084990C (zh) 2002-05-15

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