DK0787395T3 - Decision-making process for point-to-multipoint data communication - Google Patents

Decision-making process for point-to-multipoint data communication

Info

Publication number
DK0787395T3
DK0787395T3 DK95936528T DK95936528T DK0787395T3 DK 0787395 T3 DK0787395 T3 DK 0787395T3 DK 95936528 T DK95936528 T DK 95936528T DK 95936528 T DK95936528 T DK 95936528T DK 0787395 T3 DK0787395 T3 DK 0787395T3
Authority
DK
Denmark
Prior art keywords
peak value
value level
signal
central station
burst
Prior art date
Application number
DK95936528T
Other languages
Danish (da)
Inventor
Martin Brundert
Torsten Musiol
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Application granted granted Critical
Publication of DK0787395T3 publication Critical patent/DK0787395T3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/062—Setting decision thresholds using feedforward techniques only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Communication Control (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Dc Digital Transmission (AREA)

Abstract

A system is disclosed for point-to-multipoint data communications between a central station and a plurality of terminals connected to each other and to the central station by a network, in particular a passive optical network. Data transmission is carried out by time division multiplexing (TDM/TDMA). The central station has a d.c. coupled receiver with an amplifier for the optoelectrically converted signal, a memory for storing at each terminal a value corresponding to the peak value level, and a comparator that compares the signal to a reference voltage (V ref) derived from the peak value level of the corresponding burst and derives therefrom the digitalised signal. In order to reduce hardware complexity, the amplifier has a plurality of parallel amplifier units with constant amplification factors (G1, G2) that are alternatively selected by the control unit depending on the previously stored value of the peak value level (V peak) of the corresponding burst. Another comparator compares the amplified signal to the peak value level of the corresponding burst so that when a deviation is detected the stored value of the peak value level and the amplification factor for the present burst are adapted step by step.
DK95936528T 1994-10-27 1995-10-20 Decision-making process for point-to-multipoint data communication DK0787395T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4438345A DE4438345C1 (en) 1994-10-27 1994-10-27 System and method for digital data communication
PCT/EP1995/004119 WO1996013923A1 (en) 1994-10-27 1995-10-20 Decision-making process for point-to-multipoint networks

Publications (1)

Publication Number Publication Date
DK0787395T3 true DK0787395T3 (en) 1999-04-19

Family

ID=6531805

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95936528T DK0787395T3 (en) 1994-10-27 1995-10-20 Decision-making process for point-to-multipoint data communication

Country Status (8)

Country Link
EP (1) EP0787395B1 (en)
JP (1) JPH10507893A (en)
AT (1) ATE168512T1 (en)
AU (1) AU3843795A (en)
DE (1) DE4438345C1 (en)
DK (1) DK0787395T3 (en)
ES (1) ES2121424T3 (en)
WO (1) WO1996013923A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3979712B2 (en) * 1997-10-20 2007-09-19 富士通株式会社 Optical signal receiving apparatus and method
US8271149B2 (en) 2006-08-21 2012-09-18 Bell Helicopter Textron Inc. Conversion system fault management system for tiltrotor aircraft
US9716573B2 (en) 2014-06-13 2017-07-25 Futurewei Technologies, Inc. Aggregated touchless wireless fronthaul
US10027413B2 (en) 2015-06-18 2018-07-17 Futurewei Technologies, Inc. Cascaded waveform modulation with an embedded control signal for high-performance mobile fronthaul

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462073A1 (en) * 1979-07-17 1981-02-06 Thomson Csf METHOD AND DEVICE FOR THE EXTRACTION OF DIGITAL DATA IN THE PRESENCE OF NOISE AND DISTORTIONS
JPS59117835A (en) * 1982-12-24 1984-07-07 Fuji Electric Co Ltd Optical signal receiver
DE3934384A1 (en) * 1989-10-14 1991-04-18 Kommunikations Elektronik METHOD FOR AMPLIFYING A BURST SIGNAL
DE69230640T2 (en) * 1992-09-09 2000-08-31 Alcatel Bell Nv Receiver threshold setting and transmitter power control for an ATM communication system

Also Published As

Publication number Publication date
JPH10507893A (en) 1998-07-28
WO1996013923A1 (en) 1996-05-09
EP0787395A1 (en) 1997-08-06
ATE168512T1 (en) 1998-08-15
EP0787395B1 (en) 1998-07-15
AU3843795A (en) 1996-05-23
ES2121424T3 (en) 1998-11-16
DE4438345C1 (en) 1996-08-01

Similar Documents

Publication Publication Date Title
US5581387A (en) Optical data communications network with a plurality of optical transmitters and a common optical receiver connected via a passive optical network
JP4340692B2 (en) Passive optical network system and operation method thereof
CN102845005B (en) Scheduling is used for the system and method for the time slot of the transmission of the optical node in optical-fiber network
EP0765045B1 (en) Arrangement for amplifying and combining optical signals, and method for upstream transmission realised therewith
CA2070296C (en) Method for determining equalisation delays in a transmission system and related transmission system
US8660439B2 (en) Digital automatic gain control apparatus and method in burst mode optical receiver
US20100272448A1 (en) Optical burst signal receiving device
TW357511B (en) Method and system for providing low-cost high-speed data services
US20020075919A1 (en) Driver circuit and driving method for semiconductor laser
US20100129072A1 (en) Optical line terminal and optical line transmission and reception system
CN101563843A (en) Optical receiver
JPH0818429A (en) Optical receiver
US5036189A (en) Thermal control for laser diode used in outside plant communications terminal
DK0787395T3 (en) Decision-making process for point-to-multipoint data communication
KR100547840B1 (en) Automatic Gain Control with Fast Settling Time
US20050260001A1 (en) Burst signal receiver
JP3442826B2 (en) Transmission system for transmitting signals in burst mode
KR930024315A (en) Master and final stations for telecommunication systems
JP3126426B2 (en) Automatic power control device and wireless communication device having automatic power control function
JP2000022765A (en) Receiver with atc function
JPS5775040A (en) Supervisory system for optical communication loop network
ATE170684T1 (en) VOTING PROCEDURE FOR POINT-TO-MULTI-POINT COMMUNICATION SYSTEMS
JPH07264142A (en) Optical reception circuit
SE9202526L (en) Device at telecommunication networks for distributing / controlling one or more information channels in the network and method for establishing communication networks
US20210044376A1 (en) Receiving an optical signal