AU542828B2 - Control of radio communications system - Google Patents

Control of radio communications system

Info

Publication number
AU542828B2
AU542828B2 AU78839/81A AU7883981A AU542828B2 AU 542828 B2 AU542828 B2 AU 542828B2 AU 78839/81 A AU78839/81 A AU 78839/81A AU 7883981 A AU7883981 A AU 7883981A AU 542828 B2 AU542828 B2 AU 542828B2
Authority
AU
Australia
Prior art keywords
control
communications system
radio communications
radio
communications
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.)
Ceased
Application number
AU78839/81A
Other versions
AU7883981A (en
Inventor
Ryuhei Fujiwara
Tomokazu Kai
Hidetoshi Nakahara
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.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Publication of AU7883981A publication Critical patent/AU7883981A/en
Application granted granted Critical
Publication of AU542828B2 publication Critical patent/AU542828B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00Jamming of communication; Counter-measures
    • H04K3/20Countermeasures against jamming
    • H04K3/22Countermeasures against jamming including jamming detection and monitoring
    • H04K3/224Countermeasures against jamming including jamming detection and monitoring with countermeasures at transmission and/or reception of the jammed signal, e.g. stopping operation of transmitter or receiver, nulling or enhancing transmitted power in direction of or at frequency of jammer
    • H04K3/226Selection of non-jammed channel for communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00Jamming of communication; Countermeasures
    • H04K2203/10Jamming or countermeasure used for a particular application
    • H04K2203/16Jamming or countermeasure used for a particular application for telephony
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00Jamming of communication; Countermeasures
    • H04K2203/10Jamming or countermeasure used for a particular application
    • H04K2203/22Jamming or countermeasure used for a particular application for communication related to vehicles
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access, e.g. scheduled or random access
    • H04W74/08Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0866Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
AU78839/81A 1980-12-23 1981-12-23 Control of radio communications system Ceased AU542828B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP55-181367 1980-12-23
JP55-181366 1980-12-23
JP55181366A JPS57106250A (en) 1980-12-23 1980-12-23 Monitor system for disturbing wave

Publications (2)

Publication Number Publication Date
AU7883981A AU7883981A (en) 1982-07-01
AU542828B2 true AU542828B2 (en) 1985-03-14

Family

ID=16099463

Family Applications (1)

Application Number Title Priority Date Filing Date
AU78839/81A Ceased AU542828B2 (en) 1980-12-23 1981-12-23 Control of radio communications system

Country Status (2)

Country Link
JP (1) JPS57106250A (en)
AU (1) AU542828B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0640636B2 (en) * 1985-06-14 1994-05-25 日本電気株式会社 Interference signal detection method
JP2603075B2 (en) * 1987-07-06 1997-04-23 日本電信電話株式会社 Mobile communication system
JPH0555997A (en) * 1991-08-23 1993-03-05 Nec Corp Tdma mobile body communication system

Also Published As

Publication number Publication date
JPS6132857B2 (en) 1986-07-30
AU7883981A (en) 1982-07-01
JPS57106250A (en) 1982-07-02

Similar Documents

Publication Publication Date Title
AU526469B2 (en) Zonal mobile communications
AU544434B2 (en) Control system
AU553846B2 (en) Duplex radio system
AU546036B2 (en) Radio mobile communications
AU552253B2 (en) Radio paging system control
AU544265B2 (en) Communication system
AU8516482A (en) Tdm communications control
AU1552783A (en) Radio communication system
AU540646B2 (en) Mobile radio network
AU570386B2 (en) Radio communication system
AU543703B2 (en) Digital communications system
AU540375B2 (en) Control system
AU537200B2 (en) Communications system
AU553877B2 (en) Optical communications directivity control
AU6881181A (en) Mobile radio network
AU3427484A (en) Mobile radio transmission control
JPS57107649A (en) Radio frequency communication system
GB8410277D0 (en) Data communications control system
AU542828B2 (en) Control of radio communications system
GB8403904D0 (en) Control of mobile radio communication systems
AU542025B2 (en) Adaptive-predictive control system
AU524579B2 (en) Mobile radio network
AU4745679A (en) Railway control communication system
AU580769B2 (en) Communications system
AU7126481A (en) Control system

Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired