FI956171A - Taajuushypyllä toimivia solukkojärjestelmiä - Google Patents

Taajuushypyllä toimivia solukkojärjestelmiä Download PDF

Info

Publication number
FI956171A
FI956171A FI956171A FI956171A FI956171A FI 956171 A FI956171 A FI 956171A FI 956171 A FI956171 A FI 956171A FI 956171 A FI956171 A FI 956171A FI 956171 A FI956171 A FI 956171A
Authority
FI
Finland
Prior art keywords
communication system
cellular communication
frequency jump
jump
frequency
Prior art date
Application number
FI956171A
Other languages
English (en)
Swedish (sv)
Other versions
FI956171A0 (fi
Inventor
Anthony Peter Hulbert
Original Assignee
Roke Manor Research
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 Roke Manor Research filed Critical Roke Manor Research
Publication of FI956171A0 publication Critical patent/FI956171A0/fi
Publication of FI956171A publication Critical patent/FI956171A/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • 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
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/26524—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
    • 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
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7136—Arrangements for generation of hop frequencies, e.g. using a bank of frequency sources, using continuous tuning or using a transform
    • H04B2001/71365—Arrangements for generation of hop frequencies, e.g. using a bank of frequency sources, using continuous tuning or using a transform using continuous tuning of a single frequency source
    • 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
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7136—Arrangements for generation of hop frequencies, e.g. using a bank of frequency sources, using continuous tuning or using a transform
    • H04B2001/71367—Arrangements for generation of hop frequencies, e.g. using a bank of frequency sources, using continuous tuning or using a transform using a transform

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
FI956171A 1994-12-22 1995-12-21 Taajuushypyllä toimivia solukkojärjestelmiä FI956171A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9425962A GB2296407B (en) 1994-12-22 1994-12-22 Frequency hopped cellular mobile radio systems

Publications (2)

Publication Number Publication Date
FI956171A0 FI956171A0 (fi) 1995-12-21
FI956171A true FI956171A (fi) 1996-06-23

Family

ID=10766410

Family Applications (1)

Application Number Title Priority Date Filing Date
FI956171A FI956171A (fi) 1994-12-22 1995-12-21 Taajuushypyllä toimivia solukkojärjestelmiä

Country Status (3)

Country Link
EP (1) EP0719003A3 (fi)
FI (1) FI956171A (fi)
GB (1) GB2296407B (fi)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1066137A (ja) * 1996-08-23 1998-03-06 Sony Corp 通信方法及び通信システム
US6049561A (en) * 1997-04-30 2000-04-11 Raytheon Company Radio frequency communication system
KR100396506B1 (ko) * 1997-09-13 2003-12-24 삼성전자주식회사 이중직교부호도약다중접속장치및방법
US6473418B1 (en) * 1999-03-11 2002-10-29 Flarion Technologies, Inc. Orthogonal frequency division multiplexing based spread spectrum multiple access
US6947748B2 (en) 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
KR100400265B1 (ko) * 2001-03-21 2003-10-01 엘지전자 주식회사 시분할-시디엠에이 에서의 타임 슬롯 할당을 위한 타임호핑 장치
KR100448894B1 (ko) * 2002-10-08 2004-09-18 한국전자통신연구원 다차원 직교 자원 도약 다중화 통신 방식에 기반한 디지털통신 시스템
WO2005050863A1 (en) * 2003-11-24 2005-06-02 Broad Mobile Co Ltd Multicarrier cdma transmitting device and method using frequency hopping method
US7573851B2 (en) 2004-12-07 2009-08-11 Adaptix, Inc. Method and system for switching antenna and channel assignments in broadband wireless networks
KR100660026B1 (ko) 2006-10-12 2007-02-28 한국전자통신연구원 디지털 통신 방법 및 그 시스템
US8503889B2 (en) * 2007-03-23 2013-08-06 Massachusetts Institute Of Technology Filter-based DPSK receiver
CN102647202B (zh) * 2012-03-31 2014-06-18 电子科技大学 一种基于mdfh的数据传输方法及其系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2806587B2 (ja) * 1988-10-21 1998-09-30 トムソン―セエスエフ 送信機、送信方法、受信機
US4943980A (en) * 1989-05-02 1990-07-24 Intelligent Modem Corporation Multi-carrier high speed modem
GB9000319D0 (en) 1990-01-06 1990-06-13 Plessey Co Ltd Frequency hopping system for congested environments
IL103620A0 (en) * 1992-11-03 1993-04-04 Rafael Armament Dev Authority Spread-spectrum,frequency-hopping radiotelephone system
EP0562868A3 (en) * 1992-03-27 1994-07-06 Wi Lan Inc Method and apparatus for multiple access between tansceivers in wireless communication using OFDM spread spectrum.
MX9301888A (es) * 1992-04-10 1993-11-30 Ericsson Telefon Ab L M Acceso multiple de division de tiempo para acceso de un movil en un sistema de acceso multiple de division de codigo.
US5263047A (en) * 1992-07-02 1993-11-16 Motorola, Inc. Multiple cavity tuning of a transmitter output in a communication system
GB2269075B (en) * 1992-07-24 1996-04-10 Roke Manor Research Improvements in or relating to mobile cellular radio systems
FR2701178A1 (fr) * 1993-02-03 1994-08-05 Philips Electronique Lab Système de communication par étalement de spectre à multiutilisateurs.
FR2702904B1 (fr) * 1993-03-17 1995-06-30 France Telecom Systeme de radiocommunication numerique bidirectionnel multiporteuse, station mobile et station de base correspondantes.
DE69434353T2 (de) * 1993-12-22 2006-03-09 Koninklijke Philips Electronics N.V. Mehrträger-Frequenzsprungkommunikationssystem

Also Published As

Publication number Publication date
GB2296407B (en) 1999-10-06
EP0719003A2 (en) 1996-06-26
GB9425962D0 (en) 1995-02-22
GB2296407A (en) 1996-06-26
FI956171A0 (fi) 1995-12-21
EP0719003A3 (en) 2000-09-13

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