An interference free multi-vehicular repeater system

One method to ensure that a public safety officer remains in contact with his dispatcher is for each officer to carry a portable radio and have a repeater in his vehicule to compensate for the low power of the portable. In the past the use of vehicular repeaters in more than one vehicle has been pro...

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Bibliographic Details
Published in27th IEEE Vehicular Technology Conference Vol. 27; pp. 220 - 226
Main Authors Bennett, L., Faulkner, T.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1977
Subjects
Control systems
Delay
Interference
Land mobile radio
Logic circuits
Mobile communication
Radio transmitters
Repeaters
Safety
Switches
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Summary:One method to ensure that a public safety officer remains in contact with his dispatcher is for each officer to carry a portable radio and have a repeater in his vehicule to compensate for the low power of the portable. In the past the use of vehicular repeaters in more than one vehicle has been prohibited by interference caused by multi-unit key up. The PAC RT vehicular repeater described in this paper prevents multi-unit key up by assigning a priority to each repeater and permitting only "priority units" to repeat.
DOI:10.1109/VTC.1977.1622447