GB1574714A - Communication systems - Google Patents

Communication systems Download PDF

Info

Publication number
GB1574714A
GB1574714A GB2899/76A GB289976A GB1574714A GB 1574714 A GB1574714 A GB 1574714A GB 2899/76 A GB2899/76 A GB 2899/76A GB 289976 A GB289976 A GB 289976A GB 1574714 A GB1574714 A GB 1574714A
Authority
GB
United Kingdom
Prior art keywords
call
subscriber
channel
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
Application number
GB2899/76A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Post Office
Original Assignee
Post Office
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Post Office filed Critical Post Office
Priority to GB2899/76A priority Critical patent/GB1574714A/en
Priority to FI770203A priority patent/FI770203A7/fi
Priority to IT47770/77A priority patent/IT1086661B/it
Priority to CA270,311A priority patent/CA1077631A/en
Priority to DE19772702803 priority patent/DE2702803A1/de
Priority to JP764477A priority patent/JPS52113104A/ja
Priority to AR266322A priority patent/AR222291A1/es
Publication of GB1574714A publication Critical patent/GB1574714A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04Large scale networks; Deep hierarchical networks
    • H04W84/08Trunked mobile radio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB2899/76A 1976-01-26 1976-01-26 Communication systems Expired GB1574714A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB2899/76A GB1574714A (en) 1976-01-26 1976-01-26 Communication systems
FI770203A FI770203A7 (enrdf_load_stackoverflow) 1976-01-26 1977-01-21
IT47770/77A IT1086661B (it) 1976-01-26 1977-01-24 Perfezionamento nei sistemi di telecomunicazione in particolare radio telefonia
CA270,311A CA1077631A (en) 1976-01-26 1977-01-24 Radio telephone communications systems with signalling and speech communications channels
DE19772702803 DE2702803A1 (de) 1976-01-26 1977-01-25 Fernmeldesystem
JP764477A JPS52113104A (en) 1976-01-26 1977-01-26 Communication system
AR266322A AR222291A1 (es) 1976-01-26 1977-01-26 Una disposicion de comunicaciones

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
GB1574714A true GB1574714A (en) 1980-09-10

Family

ID=9748132

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2899/76A Expired GB1574714A (en) 1976-01-26 1976-01-26 Communication systems

Country Status (7)

Country Link
JP (1) JPS52113104A (enrdf_load_stackoverflow)
AR (1) AR222291A1 (enrdf_load_stackoverflow)
CA (1) CA1077631A (enrdf_load_stackoverflow)
DE (1) DE2702803A1 (enrdf_load_stackoverflow)
FI (1) FI770203A7 (enrdf_load_stackoverflow)
GB (1) GB1574714A (enrdf_load_stackoverflow)
IT (1) IT1086661B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983002380A1 (en) * 1981-12-21 1983-07-07 Akerberg, Dag, E:Son A method and an equipment for transmission of telephone calls to a portable, wireless telephone set

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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
DE3036739A1 (de) * 1980-09-29 1982-06-03 Siemens AG, 1000 Berlin und 8000 München Fernsprech-mobilfunksystem zur digitalen sprachuebertragung
DE3036649A1 (de) * 1980-09-29 1982-05-13 Siemens AG, 1000 Berlin und 8000 München Fernsprechvermittlungsnetz 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983002380A1 (en) * 1981-12-21 1983-07-07 Akerberg, Dag, E:Son A method and an equipment for transmission of telephone calls to a portable, wireless telephone set

Also Published As

Publication number Publication date
AR222291A1 (es) 1981-05-15
FI770203A7 (enrdf_load_stackoverflow) 1977-07-27
IT1086661B (it) 1985-05-28
CA1077631A (en) 1980-05-13
DE2702803A1 (de) 1977-07-28
JPS52113104A (en) 1977-09-22

Similar Documents

Publication Publication Date Title
US4646345A (en) Automatic unit ID for quasi-transmission trunked systems
US4682367A (en) Mobile radio communications system with join feature
EP0561891B1 (en) Tdm communication system for a wide area site and a plurality of local sites
US4409687A (en) Arrangement and method for establishing radio communication in a system
US4658435A (en) Radio trunking system with transceivers and repeaters using special channel acquisition protocol
US3806804A (en) Radio telephone system having automatic channel selection
US4692945A (en) Dispatch trunked radio system
EP0213929B1 (en) Radio telephone system control apparatus and method
AU620229B2 (en) Communications systems
US4125808A (en) Automatic sequential search for a radio relay network
US7136663B2 (en) Method for controlling a communications channel shared by several stations
EP0583018A2 (en) Transmission trunked radio system with independent resource assignment
GB1566305A (en) Transmission trunk multichannel dispatch system with priorty queuing
JPS647706B2 (enrdf_load_stackoverflow)
US4780715A (en) Communication system capable of interruption talk during data transmission
EP0941622A1 (en) Maintenance of group call in mobile communication system
US5086507A (en) Drop channel pre-alert for trunked radio communication system
GB2290196A (en) Reducing access time in trunking radio systems
EP0218450B1 (en) Control system of a radio telephone apparatus
JPH09510846A (ja) 無線ユニットに送信順番を指定する方法
JPS6248133A (ja) 無線電話方式
GB1574714A (en) Communication systems
EP0547156B1 (en) Method and apparatus for establishing voice and tone signalling communication in a trunked system
JP2590753B2 (ja) 無線通信システム
SU788402A1 (ru) Устройство дл подключени радиостанций к диспетчерскому пункту св зи

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950126