CA1077631A - Radio telephone communications systems with signalling and speech communications channels - Google Patents
Radio telephone communications systems with signalling and speech communications channelsInfo
- Publication number
- CA1077631A CA1077631A CA270,311A CA270311A CA1077631A CA 1077631 A CA1077631 A CA 1077631A CA 270311 A CA270311 A CA 270311A CA 1077631 A CA1077631 A CA 1077631A
- Authority
- CA
- Canada
- Prior art keywords
- call
- channel
- subscriber
- signal
- control centre
- 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
- 230000011664 signaling Effects 0.000 title claims abstract description 35
- 238000004891 communication Methods 0.000 title claims abstract description 30
- 230000006854 communication Effects 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 23
- 230000004044 response Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 239000000725 suspension Substances 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000001702 transmitter Effects 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- WABPQHHGFIMREM-AHCXROLUSA-N lead-203 Chemical compound [203Pb] WABPQHHGFIMREM-AHCXROLUSA-N 0.000 description 1
- WABPQHHGFIMREM-BKFZFHPZSA-N lead-212 Chemical compound [212Pb] WABPQHHGFIMREM-BKFZFHPZSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013641 positive control Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000002226 simultaneous effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2899/76A GB1574714A (en) | 1976-01-26 | 1976-01-26 | Communication systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1077631A true CA1077631A (en) | 1980-05-13 |
Family
ID=9748132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA270,311A Expired CA1077631A (en) | 1976-01-26 | 1977-01-24 | Radio telephone communications systems with signalling and speech communications channels |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS52113104A (enExample) |
| AR (1) | AR222291A1 (enExample) |
| CA (1) | CA1077631A (enExample) |
| DE (1) | DE2702803A1 (enExample) |
| FI (1) | FI770203A7 (enExample) |
| GB (1) | GB1574714A (enExample) |
| IT (1) | IT1086661B (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2910305A1 (de) * | 1979-03-16 | 1980-12-04 | Tekade Felten & Guilleaume | Selektivrufverfahren fuer ein mobiles automatisches telefoniesystem |
| US4399555A (en) * | 1980-04-28 | 1983-08-16 | Bell Telephone Laboratories, Incorporated | Cellular high capacity mobile radiotelephone system with fleet-calling arrangement for dispatch service |
| DE3034066A1 (de) * | 1980-09-10 | 1982-04-15 | Siemens Ag | Kommunikationssystem, insbesondere fernsprechsystem zum anschluss von mobilen teilnehmerendgeraeten |
| DE3036649A1 (de) * | 1980-09-29 | 1982-05-13 | Siemens AG, 1000 Berlin und 8000 München | Fernsprechvermittlungsnetz zur digitalen sprachuebertragung |
| DE3036739A1 (de) * | 1980-09-29 | 1982-06-03 | Siemens AG, 1000 Berlin und 8000 München | Fernsprech-mobilfunksystem zur digitalen sprachuebertragung |
| DE3130176A1 (de) * | 1981-07-30 | 1983-02-17 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur dynamischen zeitschlitzvergabe des organisationskanals zellularer mobilfunknetze in abhaengigkeit vom verkehrsaufkommen |
| SE430013B (sv) * | 1981-12-21 | 1983-10-10 | Ericsson Telefon Ab L M | Forfarande och anleggning for overforing av telefonsamtal till en berbar, tradlos telefonapparat |
| DE3304451C1 (de) * | 1983-02-09 | 1990-02-15 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und Einrichtung zur bidirektionalen Informationsübertragung zwischen einer stationären Hauptstation und mehreren mobilen Unterstationen |
-
1976
- 1976-01-26 GB GB2899/76A patent/GB1574714A/en not_active Expired
-
1977
- 1977-01-21 FI FI770203A patent/FI770203A7/fi not_active Application Discontinuation
- 1977-01-24 CA CA270,311A patent/CA1077631A/en not_active Expired
- 1977-01-24 IT IT47770/77A patent/IT1086661B/it active
- 1977-01-25 DE DE19772702803 patent/DE2702803A1/de not_active Withdrawn
- 1977-01-26 JP JP764477A patent/JPS52113104A/ja active Pending
- 1977-01-26 AR AR266322A patent/AR222291A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| FI770203A7 (enExample) | 1977-07-27 |
| GB1574714A (en) | 1980-09-10 |
| DE2702803A1 (de) | 1977-07-28 |
| AR222291A1 (es) | 1981-05-15 |
| IT1086661B (it) | 1985-05-28 |
| JPS52113104A (en) | 1977-09-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 19970513 |