IT954852B - Sistema di comunicazione digitale su piu canali con compressione della cadenza dei bit d informazio ne trasmessi - Google Patents

Sistema di comunicazione digitale su piu canali con compressione della cadenza dei bit d informazio ne trasmessi

Info

Publication number
IT954852B
IT954852B IT6834172A IT6834172A IT954852B IT 954852 B IT954852 B IT 954852B IT 6834172 A IT6834172 A IT 6834172A IT 6834172 A IT6834172 A IT 6834172A IT 954852 B IT954852 B IT 954852B
Authority
IT
Italy
Prior art keywords
cadence
compression
communication system
information bits
digital communication
Prior art date
Application number
IT6834172A
Other languages
English (en)
Italian (it)
Original Assignee
Communications Satellite Corp
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 Communications Satellite Corp filed Critical Communications Satellite Corp
Application granted granted Critical
Publication of IT954852B publication Critical patent/IT954852B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
    • H04J3/177—Freeze-out systems, e.g. taking away active sources from transmission
    • 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
    • H04B1/66—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 for reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1682—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers
    • H04J3/1688—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers the demands of the users being taken into account after redundancy removal, e.g. by predictive coding, by variable sampling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
    • H04J3/172—Digital speech interpolation, i.e. DSI

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
IT6834172A 1971-04-30 1972-04-29 Sistema di comunicazione digitale su piu canali con compressione della cadenza dei bit d informazio ne trasmessi IT954852B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13910671A 1971-04-30 1971-04-30

Publications (1)

Publication Number Publication Date
IT954852B true IT954852B (it) 1973-09-15

Family

ID=22485155

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6834172A IT954852B (it) 1971-04-30 1972-04-29 Sistema di comunicazione digitale su piu canali con compressione della cadenza dei bit d informazio ne trasmessi

Country Status (6)

Country Link
CA (1) CA995360A (en:Method)
DE (1) DE2221350A1 (en:Method)
FR (1) FR2139849B1 (en:Method)
GB (1) GB1341663A (en:Method)
IT (1) IT954852B (en:Method)
NL (1) NL7205845A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2828979A1 (fr) * 2001-08-23 2003-02-28 Cit Alcatel Compresseur, decompresseur, bloc de donnees et procede de gestion de ressources

Also Published As

Publication number Publication date
NL7205845A (en:Method) 1972-11-01
GB1341663A (en) 1973-12-25
FR2139849B1 (en:Method) 1973-07-13
CA995360A (en) 1976-08-17
FR2139849A1 (en:Method) 1973-01-12
DE2221350A1 (de) 1972-11-23

Similar Documents

Publication Publication Date Title
CA985785A (en) Digital data transmission system
NO136125C (no) Kryptografisk system for sifrering av digitale data.
CA971947A (en) Mobile drill rig
AU457347B2 (en) Data communication system
CA1002195A (en) Digital differential analyzer employing multiple overflow bits
DK131259B (da) Transmissionsanlæg til transmission af flereniveau-informationssignaler.
CA921608A (en) Data receiver
CA962995A (en) Pressure equalizing system for rock bits
AU463795B2 (en) Telephone system with data traffic
CA977477A (en) Data communication system
BE772227A (fr) Systeme de multiplexage-demultiplexage pour canaux telegraphiques ou detransmission de donnees
NL175572C (nl) Datatransmissiestelsel.
IT954852B (it) Sistema di comunicazione digitale su piu canali con compressione della cadenza dei bit d informazio ne trasmessi
CH541833A (de) Datenübermittlungsanlage
CA974367A (en) Borehole data transmission system
AU461110B2 (en) Data block transmission system
ZA707874B (en) Borehole data transmission system
NL7310878A (nl) Signaaltransmissiestelsel.
CA951825A (en) Data transmission employing correlative nonbinary coding
IT939992B (it) Ricevitore per trasmissione di dati
IT951844B (it) Disposizione per trasmettere dati su radiocollegamenti
CH552312A (de) Digitale nachrichtenuebertragungsanlage.
CH551120A (de) Simplexfunktelegraphenanlage.
CH535516A (de) Digitale Nachrichtenübertragungsanlage
CA804299A (en) Drilling rig instrument system