DE3019042C2 - - Google Patents
Info
- Publication number
- DE3019042C2 DE3019042C2 DE3019042A DE3019042A DE3019042C2 DE 3019042 C2 DE3019042 C2 DE 3019042C2 DE 3019042 A DE3019042 A DE 3019042A DE 3019042 A DE3019042 A DE 3019042A DE 3019042 C2 DE3019042 C2 DE 3019042C2
- Authority
- DE
- Germany
- Prior art keywords
- bits
- digital data
- data
- data stream
- buffer memory
- 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
Links
- 238000003780 insertion Methods 0.000 claims description 23
- 230000037431 insertion Effects 0.000 claims description 23
- 238000012546 transfer Methods 0.000 claims description 23
- 238000012423 maintenance Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 48
- 238000005562 fading Methods 0.000 description 26
- 230000006870 function Effects 0.000 description 23
- 230000001186 cumulative effect Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 238000000605 extraction Methods 0.000 description 6
- 238000012937 correction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000005436 troposphere Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013075 data extraction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0079—Receiver details
- H04L7/0083—Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/07—Synchronising arrangements using pulse stuffing for systems with different or fluctuating information rates or bit rates
-
- 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
- H04L25/05—Electric or magnetic storage of signals before transmitting or retransmitting for changing the transmission rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L2007/045—Fill bit or bits, idle words
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Time-Division Multiplex Systems (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/040,247 US4259738A (en) | 1979-05-18 | 1979-05-18 | Multiplexer system providing improved bit count integrity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3019042A1 DE3019042A1 (de) | 1980-11-27 |
| DE3019042C2 true DE3019042C2 (enExample) | 1987-06-11 |
Family
ID=21909949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803019042 Granted DE3019042A1 (de) | 1979-05-18 | 1980-05-19 | Einrichtung zur uebergabe digitaler datenbits, insbesondere multiplexsystem |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4259738A (enExample) |
| AU (1) | AU535766B2 (enExample) |
| CA (1) | CA1158371A (enExample) |
| DE (1) | DE3019042A1 (enExample) |
| FR (1) | FR2457043A1 (enExample) |
| GB (1) | GB2050119B (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4488294A (en) * | 1982-03-30 | 1984-12-11 | At&T Bell Laboratories | Establishing and supporting data traffic in private branch exchanges |
| US4694472A (en) * | 1982-04-26 | 1987-09-15 | American Telephone And Telegraph Company | Clock adjustment method and apparatus for synchronous data communications |
| US4771426A (en) * | 1984-07-20 | 1988-09-13 | Unisys Corporation | Isochronous clock reconstruction |
| US4803726A (en) * | 1986-12-31 | 1989-02-07 | Motorola, Inc. | Bit synchronization method for a digital radio telephone system |
| GB2229067A (en) * | 1989-02-02 | 1990-09-12 | Motorola Canada Ltd | Retiming buffer for connecting binary data channels |
| US5425062A (en) * | 1992-10-16 | 1995-06-13 | Alcatel Network Systems, Inc. | Serial rate conversion circuit with jitter tolerant payload |
| US5844885A (en) * | 1996-06-11 | 1998-12-01 | Qualcomm Incorporated | Method and apparatus of providing bit count integrity and synchronous data transfer over a channel which does not preserve synchronization |
| US6445719B1 (en) * | 1998-08-28 | 2002-09-03 | Adtran Inc. | Method, system and apparatus for reducing synchronization and resynchronization times for systems with pulse stuffing |
| JP3419345B2 (ja) * | 1999-05-28 | 2003-06-23 | 日本電気株式会社 | パルススタッフ同期方式における低次群信号のクロック再生方法および回路 |
| US7652598B2 (en) * | 2007-10-26 | 2010-01-26 | Tektronix, Inc. | Serial data analysis improvement |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2958727A (en) * | 1955-12-14 | 1960-11-01 | Ibm | Checking system for record data transmission |
| FR1463936A (fr) * | 1965-10-29 | 1966-07-22 | Constr Telephoniques | Dispositif de contrôle pour transmission de données |
| US3504287A (en) * | 1966-10-28 | 1970-03-31 | Northern Electric Co | Circuits for stuffing synch,fill and deviation words to ensure data link operation at designed bit rate |
| US3873773A (en) * | 1971-10-26 | 1975-03-25 | Martin Marietta Corp | Forward bit count integrity detection and correction technique for asynchronous systems |
| US3753225A (en) * | 1971-11-19 | 1973-08-14 | Eaton Corp | Communication technique |
| CH579855A5 (enExample) * | 1973-10-10 | 1976-09-15 | Siemens Ag Albis | |
| GB1508986A (en) * | 1974-05-29 | 1978-04-26 | Post Office | Digital network synchronising system |
| FR2373198A1 (fr) * | 1976-12-03 | 1978-06-30 | Cit Alcatel | Dispositif de multiplexage numerique de trains plesiochrones |
-
1979
- 1979-05-18 US US06/040,247 patent/US4259738A/en not_active Expired - Lifetime
-
1980
- 1980-04-10 CA CA000349568A patent/CA1158371A/en not_active Expired
- 1980-04-15 AU AU57479/80A patent/AU535766B2/en not_active Ceased
- 1980-05-08 GB GB8015202A patent/GB2050119B/en not_active Expired
- 1980-05-19 DE DE19803019042 patent/DE3019042A1/de active Granted
- 1980-05-19 FR FR8011099A patent/FR2457043A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CA1158371A (en) | 1983-12-06 |
| AU535766B2 (en) | 1984-04-05 |
| DE3019042A1 (de) | 1980-11-27 |
| FR2457043B1 (enExample) | 1984-11-23 |
| GB2050119B (en) | 1983-05-18 |
| AU5747980A (en) | 1980-11-20 |
| US4259738A (en) | 1981-03-31 |
| GB2050119A (en) | 1980-12-31 |
| FR2457043A1 (fr) | 1980-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |