JPS6132857B2 - - Google Patents

Info

Publication number
JPS6132857B2
JPS6132857B2 JP18136680A JP18136680A JPS6132857B2 JP S6132857 B2 JPS6132857 B2 JP S6132857B2 JP 18136680 A JP18136680 A JP 18136680A JP 18136680 A JP18136680 A JP 18136680A JP S6132857 B2 JPS6132857 B2 JP S6132857B2
Authority
JP
Grant status
Grant
Patent type
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
JP18136680A
Other versions
JPS57106250A (en )
Inventor
Ryuhei Fujiwara
Tomokazu Kai
Original Assignee
Nippon Electric Co
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
Grant date

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 COMMUNICATIONS 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 COMMUNICATIONS 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
JP18136680A 1980-12-23 1980-12-23 Expired JPS6132857B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18136680A JPS6132857B2 (en) 1980-12-23 1980-12-23

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP18136680A JPS6132857B2 (en) 1980-12-23 1980-12-23
US06332775 US4434506A (en) 1980-12-23 1981-12-21 Circuit arrangement for protecting a control channel from jamming waves in a radio communication system
GB8138547A GB2093316B (en) 1980-12-23 1981-12-22 Circuit arrangement for protecting a control channel from jamming waves in a radio communication system
CA 392926 CA1180053A (en) 1980-12-23 1981-12-22 Circuit arrangement for protecting a control channel from jamming waves in a radio communication system

Publications (2)

Publication Number Publication Date
JPS57106250A true JPS57106250A (en) 1982-07-02
JPS6132857B2 true JPS6132857B2 (en) 1986-07-30

Family

ID=16099463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18136680A Expired JPS6132857B2 (en) 1980-12-23 1980-12-23

Country Status (1)

Country Link
JP (1) JPS6132857B2 (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 Method of detecting radio interference
JP2603075B2 (en) * 1987-07-06 1997-04-23 エヌ・ティ・ティ移動通信網株式会社 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 Type
JPS57106250A (en) 1982-07-02 application
JP1367052C (en) grant

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