CA2012917C - Methods and apparatus for transparent tone-in-band transmitter, receiver and system processing - Google Patents
Methods and apparatus for transparent tone-in-band transmitter, receiver and system processing Download PDFInfo
- Publication number
- CA2012917C CA2012917C CA 2012917 CA2012917A CA2012917C CA 2012917 C CA2012917 C CA 2012917C CA 2012917 CA2012917 CA 2012917 CA 2012917 A CA2012917 A CA 2012917A CA 2012917 C CA2012917 C CA 2012917C
- Authority
- CA
- Canada
- Prior art keywords
- frequency
- signal
- lower portions
- signals
- derived
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 53
- 238000012545 processing Methods 0.000 title claims description 21
- 238000001914 filtration Methods 0.000 claims abstract description 36
- 238000001228 spectrum Methods 0.000 claims abstract description 35
- 230000008569 process Effects 0.000 claims description 32
- 238000013519 translation Methods 0.000 claims description 20
- 230000004044 response Effects 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 12
- 238000010606 normalization Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 4
- 230000000875 corresponding effect Effects 0.000 claims 6
- 230000002596 correlated effect Effects 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 5
- 230000003595 spectral effect Effects 0.000 description 13
- 230000007704 transition Effects 0.000 description 12
- 108091006146 Channels Proteins 0.000 description 9
- 230000006798 recombination Effects 0.000 description 8
- 238000005215 recombination Methods 0.000 description 8
- 238000012937 correction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 244000187656 Eucalyptus cornuta Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- H04B1/68—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 wholly or partially suppressing the carrier or one side band
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Transmitters (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB898908236A GB8908236D0 (en) | 1989-04-12 | 1989-04-12 | Method and apparatus for transparent tone-in-band transmitter,receiver and system processing |
| GB8908236.6 | 1989-04-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2012917A1 CA2012917A1 (en) | 1990-10-12 |
| CA2012917C true CA2012917C (en) | 2000-03-28 |
Family
ID=10654870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2012917 Expired - Fee Related CA2012917C (en) | 1989-04-12 | 1990-03-23 | Methods and apparatus for transparent tone-in-band transmitter, receiver and system processing |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0392792B1 (cg-RX-API-DMAC10.html) |
| JP (1) | JP2876055B2 (cg-RX-API-DMAC10.html) |
| AU (1) | AU621737B2 (cg-RX-API-DMAC10.html) |
| CA (1) | CA2012917C (cg-RX-API-DMAC10.html) |
| DE (1) | DE69014228T2 (cg-RX-API-DMAC10.html) |
| ES (1) | ES2065484T3 (cg-RX-API-DMAC10.html) |
| GB (2) | GB8908236D0 (cg-RX-API-DMAC10.html) |
| IN (1) | IN180053B (cg-RX-API-DMAC10.html) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2180112B (en) * | 1985-08-02 | 1990-01-31 | Nat Res Dev | Transparent tone-in band transmitters receivers and systems |
| GB8604981D0 (en) * | 1986-02-28 | 1986-04-09 | Mcgeehan J P | Data transmission |
-
1989
- 1989-04-12 GB GB898908236A patent/GB8908236D0/en active Pending
-
1990
- 1990-03-22 IN IN278DE1990 patent/IN180053B/en unknown
- 1990-03-23 CA CA 2012917 patent/CA2012917C/en not_active Expired - Fee Related
- 1990-04-10 GB GB9008086A patent/GB2231458B/en not_active Expired - Lifetime
- 1990-04-10 DE DE69014228T patent/DE69014228T2/de not_active Expired - Fee Related
- 1990-04-10 EP EP19900303819 patent/EP0392792B1/en not_active Expired - Lifetime
- 1990-04-10 ES ES90303819T patent/ES2065484T3/es not_active Expired - Lifetime
- 1990-04-11 AU AU53108/90A patent/AU621737B2/en not_active Ceased
- 1990-04-12 JP JP2097475A patent/JP2876055B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU5310890A (en) | 1990-10-18 |
| EP0392792A2 (en) | 1990-10-17 |
| GB2231458A (en) | 1990-11-14 |
| DE69014228T2 (de) | 1995-04-06 |
| ES2065484T3 (es) | 1995-02-16 |
| EP0392792A3 (en) | 1992-07-01 |
| GB9008086D0 (en) | 1990-06-06 |
| JP2876055B2 (ja) | 1999-03-31 |
| DE69014228D1 (de) | 1995-01-05 |
| JPH02295231A (ja) | 1990-12-06 |
| GB2231458B (en) | 1992-12-09 |
| IN180053B (cg-RX-API-DMAC10.html) | 1998-01-10 |
| AU621737B2 (en) | 1992-03-19 |
| GB8908236D0 (en) | 1989-05-24 |
| EP0392792B1 (en) | 1994-11-23 |
| CA2012917A1 (en) | 1990-10-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |