GB2293296B - A method and a device for aligning frames of signals to be used in a synchronous digtal telecommunications system - Google Patents
A method and a device for aligning frames of signals to be used in a synchronous digtal telecommunications systemInfo
- Publication number
- GB2293296B GB2293296B GB9521665A GB9521665A GB2293296B GB 2293296 B GB2293296 B GB 2293296B GB 9521665 A GB9521665 A GB 9521665A GB 9521665 A GB9521665 A GB 9521665A GB 2293296 B GB2293296 B GB 2293296B
- Authority
- GB
- United Kingdom
- Prior art keywords
- digtal
- synchronous
- signals
- telecommunications system
- aligning frames
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
- H04J3/0623—Synchronous multiplexing systems, e.g. synchronous digital hierarchy/synchronous optical network (SDH/SONET), synchronisation with a pointer process
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI932481A FI94811C (en) | 1993-05-31 | 1993-05-31 | Method and apparatus for fitting the frames of signals used in a synchronous digital data communication system |
PCT/FI1994/000216 WO1994028653A1 (en) | 1993-05-31 | 1994-05-30 | A method and a device for aligning frames of signals to be used in a synchronous digital telecommunications system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9521665D0 GB9521665D0 (en) | 1996-01-03 |
GB2293296A GB2293296A (en) | 1996-03-20 |
GB2293296B true GB2293296B (en) | 1998-02-11 |
Family
ID=8538038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9521665A Expired - Lifetime GB2293296B (en) | 1993-05-31 | 1994-05-30 | A method and a device for aligning frames of signals to be used in a synchronous digtal telecommunications system |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU6798094A (en) |
DE (1) | DE4493492T1 (en) |
FI (1) | FI94811C (en) |
GB (1) | GB2293296B (en) |
WO (1) | WO1994028653A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19903366A1 (en) * | 1999-01-28 | 2000-08-17 | Siemens Ag | Process for converting Nx-STM-1 signals into STM-N signals |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4993026A (en) * | 1988-09-27 | 1991-02-12 | Nec Corporation | Multiplexer apparatus with auxiliary synchronization for compensating for cable delays |
US5033044A (en) * | 1990-05-15 | 1991-07-16 | Alcatel Na Network Systems Corp. | System for aligning transmission facility framing bits to the sonet H4 multiframe indicator byte |
US5046064A (en) * | 1989-01-27 | 1991-09-03 | Nec Corporation | Packet switching system |
US5168494A (en) * | 1989-11-29 | 1992-12-01 | Siemens Aktiengesellschaft | Method for transmitting a digital broadband signal in a tributary unit concatenation via a network of a synchronous digital multiplex hierarchy |
EP0543327A1 (en) * | 1991-11-20 | 1993-05-26 | Nec Corporation | A synchronous optical multiplexing system |
-
1993
- 1993-05-31 FI FI932481A patent/FI94811C/en active IP Right Grant
-
1994
- 1994-05-30 WO PCT/FI1994/000216 patent/WO1994028653A1/en active Application Filing
- 1994-05-30 DE DE4493492T patent/DE4493492T1/en not_active Ceased
- 1994-05-30 AU AU67980/94A patent/AU6798094A/en not_active Abandoned
- 1994-05-30 GB GB9521665A patent/GB2293296B/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4993026A (en) * | 1988-09-27 | 1991-02-12 | Nec Corporation | Multiplexer apparatus with auxiliary synchronization for compensating for cable delays |
US5046064A (en) * | 1989-01-27 | 1991-09-03 | Nec Corporation | Packet switching system |
US5168494A (en) * | 1989-11-29 | 1992-12-01 | Siemens Aktiengesellschaft | Method for transmitting a digital broadband signal in a tributary unit concatenation via a network of a synchronous digital multiplex hierarchy |
US5033044A (en) * | 1990-05-15 | 1991-07-16 | Alcatel Na Network Systems Corp. | System for aligning transmission facility framing bits to the sonet H4 multiframe indicator byte |
EP0543327A1 (en) * | 1991-11-20 | 1993-05-26 | Nec Corporation | A synchronous optical multiplexing system |
Also Published As
Publication number | Publication date |
---|---|
FI94811C (en) | 1995-10-25 |
FI94811B (en) | 1995-07-14 |
GB2293296A (en) | 1996-03-20 |
GB9521665D0 (en) | 1996-01-03 |
DE4493492T1 (en) | 1996-06-27 |
FI932481A (en) | 1994-12-01 |
AU6798094A (en) | 1994-12-20 |
WO1994028653A1 (en) | 1994-12-08 |
FI932481A0 (en) | 1993-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PE20 | Patent expired after termination of 20 years |
Expiry date: 20140529 |