JPH0131809B2 - - Google Patents

Info

Publication number
JPH0131809B2
JPH0131809B2 JP58142920A JP14292083A JPH0131809B2 JP H0131809 B2 JPH0131809 B2 JP H0131809B2 JP 58142920 A JP58142920 A JP 58142920A JP 14292083 A JP14292083 A JP 14292083A JP H0131809 B2 JPH0131809 B2 JP H0131809B2
Authority
JP
Japan
Prior art keywords
parallel
channel
channels
data
orthogonal
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.)
Expired
Application number
JP58142920A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6033755A (ja
Inventor
Botaro Hirosaki
Hidehito Aoyanagi
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.)
NEC Corp
Original Assignee
Nippon Electric 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP58142920A priority Critical patent/JPS6033755A/ja
Priority to CA000460315A priority patent/CA1210877A/en
Priority to GB08419857A priority patent/GB2144604B/en
Priority to US06/637,140 priority patent/US4621355A/en
Publication of JPS6033755A publication Critical patent/JPS6033755A/ja
Publication of JPH0131809B2 publication Critical patent/JPH0131809B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J11/00Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023Interference mitigation or co-ordination
    • H04J11/0026Interference mitigation or co-ordination of multi-user interference
    • H04J11/003Interference mitigation or co-ordination of multi-user interference at the transmitter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
JP58142920A 1983-08-04 1983-08-04 直交多重信号の並列同期方式 Granted JPS6033755A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP58142920A JPS6033755A (ja) 1983-08-04 1983-08-04 直交多重信号の並列同期方式
CA000460315A CA1210877A (en) 1983-08-04 1984-08-03 Method of synchronizing parallel channels of orthogonally multiplexed parallel data transmission system and improved automatic equalizer for use in such a transmission system
GB08419857A GB2144604B (en) 1983-08-04 1984-08-03 Orthogonally multiplexed parallel data transmission system
US06/637,140 US4621355A (en) 1983-08-04 1984-08-03 Method of synchronizing parallel channels of orthogonally multiplexed parallel data transmission system and improved automatic equalizer for use in such a transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58142920A JPS6033755A (ja) 1983-08-04 1983-08-04 直交多重信号の並列同期方式

Publications (2)

Publication Number Publication Date
JPS6033755A JPS6033755A (ja) 1985-02-21
JPH0131809B2 true JPH0131809B2 (enrdf_load_stackoverflow) 1989-06-28

Family

ID=15326698

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58142920A Granted JPS6033755A (ja) 1983-08-04 1983-08-04 直交多重信号の並列同期方式

Country Status (1)

Country Link
JP (1) JPS6033755A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5523201B2 (ja) * 2010-05-21 2014-06-18 三菱電機株式会社 デスキュー装置およびデスキュー処理方法

Also Published As

Publication number Publication date
JPS6033755A (ja) 1985-02-21

Similar Documents

Publication Publication Date Title
US5459749A (en) Multi-level superposed amplitude-modulated baseband signal processor
US4227152A (en) Method and device for training an adaptive equalizer by means of an unknown data signal in a quadrature amplitude modulation transmission system
US4550415A (en) Fractionally spaced equalization using nyquist-rate coefficient updating
EP0496677B1 (en) Adaptive equalizers
US4489416A (en) Equalization system for modems in a polled arrangement
US4789994A (en) Adaptive equalizer using precursor error signal for convergence control
US4053837A (en) Quadriphase shift keyed adaptive equalizer
US3978407A (en) Fast start-up adaptive equalizer communication system using two data transmission rates
US5416767A (en) Method of transmitting a data stream, transmitter and receiver
US5796814A (en) Digital transmission system comprising a receiver with cascaded equalizers
JP3132448B2 (ja) 適応等化器タップ係数のトレーニング方法およびトレーニング回路
US4416015A (en) Timing acquisition in voiceband data sets
US5912920A (en) Point-to multipoint digital communications system facilitating use of a reduced complexity receiver at each of the multipoint sites
JPH10209931A (ja) 直交周波数分割多重化(ofdm)方式を用いるデジタル通信システムにおける適応チャンネル等化器
Qureshi Timing recovery for equalized partial-response systems
JPH0131810B2 (enrdf_load_stackoverflow)
US4309770A (en) Method and device for training an adaptive equalizer by means of an unknown data signal in a transmission system using double sideband-quadrature carrier modulation
GB2144604A (en) Orthogonally multiplexed parallel data transmission system
JPH0813011B2 (ja) アダプテイブトランスバ−サル等化器
Tu Optimum MMSE equalization for staggered modulation
JPH0131809B2 (enrdf_load_stackoverflow)
US5077755A (en) Digital signal processing system in modem
JPH084277B2 (ja) デジタル通信システム
Lender Correlative data transmission with coherent recovery using absolute reference
Clark et al. Data transmission at 19.2 kbit/s over telephone circuits