IL65646A - Digital communications system - Google Patents
Digital communications systemInfo
- Publication number
- IL65646A IL65646A IL65646A IL6564682A IL65646A IL 65646 A IL65646 A IL 65646A IL 65646 A IL65646 A IL 65646A IL 6564682 A IL6564682 A IL 6564682A IL 65646 A IL65646 A IL 65646A
- Authority
- IL
- Israel
- Prior art keywords
- transmission
- information
- code words
- communications
- successive
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/18—Time-division multiplex systems using frequency compression and subsequent expansion of the individual signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
-
- 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
- H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Time-Division Multiplex Systems (AREA)
- Communication Control (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Analogue/Digital Conversion (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Gyroscopes (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/271,231 US4477900A (en) | 1980-04-30 | 1981-06-08 | Successive frame digital multiplexer with increased channel capacity |
Publications (2)
Publication Number | Publication Date |
---|---|
IL65646A0 IL65646A0 (en) | 1982-07-30 |
IL65646A true IL65646A (en) | 1985-06-30 |
Family
ID=23034743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL65646A IL65646A (en) | 1981-06-08 | 1982-04-29 | Digital communications system |
Country Status (14)
Country | Link |
---|---|
US (1) | US4477900A (de) |
EP (1) | EP0066947B1 (de) |
JP (1) | JPS583338A (de) |
KR (1) | KR860002214B1 (de) |
AT (1) | ATE21199T1 (de) |
AU (1) | AU562657B2 (de) |
BR (1) | BR8202723A (de) |
CA (1) | CA1181877A (de) |
DE (1) | DE3272276D1 (de) |
ES (1) | ES8308183A1 (de) |
IL (1) | IL65646A (de) |
IN (1) | IN158951B (de) |
MX (1) | MX155310A (de) |
NZ (1) | NZ200407A (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0085820B1 (de) * | 1982-02-09 | 1985-11-21 | International Business Machines Corporation | Verfahren zur digitalen Übertragung mit mehreren Geschwindigkeiten und Einrichtung zur Ausführung dieses Verfahrens |
JPH06101683B2 (ja) * | 1983-03-14 | 1994-12-12 | 株式会社日立製作所 | デイジタルアナログ変換装置 |
JPS601939A (ja) * | 1983-06-17 | 1985-01-08 | Hitachi Ltd | Pcm伝送システム |
US4685106A (en) * | 1984-08-31 | 1987-08-04 | Sperry Corporation | High rate multiplexer |
US5051991A (en) * | 1984-10-17 | 1991-09-24 | Ericsson Ge Mobile Communications Inc. | Method and apparatus for efficient digital time delay compensation in compressed bandwidth signal processing |
JPS63236432A (ja) * | 1987-03-25 | 1988-10-03 | Fujitsu Ltd | Bsi化ビツトインタリ−ブ多重方式 |
US4998249A (en) * | 1988-10-28 | 1991-03-05 | Executone Information Systems, Inc. | Method and system for multiplexing telephone line circuits to highway lines |
USH967H (en) | 1990-01-30 | 1991-09-03 | The United States Of America As Represented By The United States Department Of Energy | High speed, long distance, data transmission multiplexing circuit |
US5315633A (en) * | 1991-12-20 | 1994-05-24 | Unisys Corporation | Digital video switch for video teleconferencing |
HUT70716A (en) * | 1991-12-23 | 1995-10-30 | Compfax Corp | Transmission and communication systems as well as apparatus for them |
JP3324273B2 (ja) * | 1994-05-16 | 2002-09-17 | 松下電器産業株式会社 | 多チャンネル多重装置 |
US5877812A (en) * | 1995-11-21 | 1999-03-02 | Imedia Corporation | Method and apparatus for increasing channel utilization for digital video transmission |
US5862140A (en) * | 1995-11-21 | 1999-01-19 | Imedia Corporation | Method and apparatus for multiplexing video programs for improved channel utilization |
US5956088A (en) * | 1995-11-21 | 1999-09-21 | Imedia Corporation | Method and apparatus for modifying encoded digital video for improved channel utilization |
US5732124A (en) * | 1995-12-22 | 1998-03-24 | Motorola, Inc. | Apparatus and method for detecting the status of a PCM channel |
US5859840A (en) * | 1996-05-31 | 1999-01-12 | Qualcomm Incorporated | Spread spectrum communication system which defines channel groups comprising selected channels that are additional to a primary channel and transmits group messages during call set up |
US6496543B1 (en) | 1996-10-29 | 2002-12-17 | Qualcomm Incorporated | Method and apparatus for providing high speed data communications in a cellular environment |
US6111870A (en) * | 1996-11-07 | 2000-08-29 | Interdigital Technology Corporation | Method and apparatus for compressing and transmitting high speed data |
US6173007B1 (en) * | 1997-01-15 | 2001-01-09 | Qualcomm Inc. | High-data-rate supplemental channel for CDMA telecommunications system |
US7751370B2 (en) * | 2001-07-13 | 2010-07-06 | Qualcomm Incorporated | Method and apparatus for forward link rate scheduling |
US6335922B1 (en) | 1997-02-11 | 2002-01-01 | Qualcomm Incorporated | Method and apparatus for forward link rate scheduling |
US6480521B1 (en) | 1997-03-26 | 2002-11-12 | Qualcomm Incorporated | Method and apparatus for transmitting high speed data in a spread spectrum communications system |
US6389000B1 (en) * | 1997-09-16 | 2002-05-14 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving high speed data in a CDMA communication system using multiple carriers |
US6847658B1 (en) | 1998-12-10 | 2005-01-25 | Qualcomm, Incorporated | Demultiplexer for channel interleaving |
KR100356310B1 (ko) * | 2000-04-19 | 2002-10-12 | 주식회사 제이콤 | 연속톤스켈치 제어시스템을 이용한 데이타의 송수신 방법및 장치 |
US20050152409A1 (en) * | 2003-10-31 | 2005-07-14 | 1021 Technologies Inc. | Method of increasing channel capacity of FFT and IFFT engines |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3700820A (en) * | 1966-04-15 | 1972-10-24 | Ibm | Adaptive digital communication system |
US3492432A (en) * | 1967-03-08 | 1970-01-27 | Bell Telephone Labor Inc | Pulse amplitude modulation multiplex video transmission system |
US3922493A (en) * | 1971-02-01 | 1975-11-25 | Gen Electric | Communication system using time-division multiplexing and pulse-code modulation |
US3689697A (en) * | 1971-03-15 | 1972-09-05 | Gen Electric | Synchronizing system |
US3689698A (en) * | 1971-04-07 | 1972-09-05 | Textron Inc | Multiplexing system |
US3689699A (en) * | 1971-04-12 | 1972-09-05 | Gen Electric | Synchronizing system |
DE2330263A1 (de) * | 1973-06-14 | 1975-01-09 | Licentia Gmbh | Uebertragungs- und vermittlungsverfahren mit hilfe der amplitudenselektion |
US4339818A (en) * | 1980-04-30 | 1982-07-13 | Broadcom, Incorporated | Digital multiplexer with increased channel capacity |
-
1981
- 1981-06-08 US US06/271,231 patent/US4477900A/en not_active Expired - Fee Related
-
1982
- 1982-04-22 DE DE8282302076T patent/DE3272276D1/de not_active Expired
- 1982-04-22 AT AT82302076T patent/ATE21199T1/de active
- 1982-04-22 EP EP82302076A patent/EP0066947B1/de not_active Expired
- 1982-04-23 CA CA000401572A patent/CA1181877A/en not_active Expired
- 1982-04-26 NZ NZ200407A patent/NZ200407A/en unknown
- 1982-04-27 ES ES511743A patent/ES8308183A1/es not_active Expired
- 1982-04-28 IN IN472/CAL/82A patent/IN158951B/en unknown
- 1982-04-29 IL IL65646A patent/IL65646A/xx unknown
- 1982-04-30 AU AU83155/82A patent/AU562657B2/en not_active Ceased
- 1982-05-11 BR BR8202723A patent/BR8202723A/pt unknown
- 1982-05-12 KR KR8202064A patent/KR860002214B1/ko active
- 1982-05-25 MX MX192847A patent/MX155310A/es unknown
- 1982-06-04 JP JP57095044A patent/JPS583338A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU8315582A (en) | 1982-12-16 |
KR860002214B1 (ko) | 1986-12-31 |
EP0066947B1 (de) | 1986-07-30 |
IL65646A0 (en) | 1982-07-30 |
DE3272276D1 (en) | 1986-09-04 |
CA1181877A (en) | 1985-01-29 |
JPS583338A (ja) | 1983-01-10 |
AU562657B2 (en) | 1987-06-18 |
EP0066947A1 (de) | 1982-12-15 |
KR840000125A (ko) | 1984-01-30 |
IN158951B (de) | 1987-02-28 |
US4477900A (en) | 1984-10-16 |
BR8202723A (pt) | 1983-04-19 |
ES511743A0 (es) | 1983-07-01 |
MX155310A (es) | 1988-02-16 |
ATE21199T1 (de) | 1986-08-15 |
ES8308183A1 (es) | 1983-07-01 |
NZ200407A (en) | 1985-12-13 |
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