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Browse Prior Art Database

AUTOMATIC GENERATION OF A SCAN LIST

IP.com Disclosure Number: IPCOM000007663D
Original Publication Date: 1996-May-01
Included in the Prior Art Database: 2002-Apr-12
Document File: 1 page(s) / 53K

Publishing Venue

Motorola

Related People

Hans Christopher Sowa: AUTHOR [+2]

Abstract

The system is a conventional land mobile radio system. The system may or may not have repeaters.

This text was extracted from a PDF file.
At least one non-text object (such as an image or picture) has been suppressed.
This is the abbreviated version, containing approximately 74% of the total text.

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Technical Developments

AUTOMATIC GENERATION OF A SCAN LIST

by Hans Christopher Sowa and Edward Justin Picha

SYSTEM BACKGROUND:

The system is a conventional land mobile radio system. The system may or may not have repeaters.

THE PROBLEM:

  Several different public safety organizations need to coordinate on special or unexpected basis. Radio users will need to scan other public safety Frequen- cies to get all communications. A radio user does not know what other members to add to their scan list or does not have the frequencies programmed in their radio to add to the scan list. It is difficult for the radio users to set up their scan lists on an unex- pected basis.

THE .SOLlJTlON:

  When the several organizations meet, one super- visory radio from each organization will mark the channel by setting a bit in their voice stream. The marking bit indicates that this is a channel to add to

a auto generated scan list. All of the other radio users will be told by their supervisor marking the channel to auto generate a scan list of a particular size and will search for the markers. The radio will basically search all of its code plug programmed chan- nels, and then will attempt to scan the Frequency band to find the channel markers. Once the scan list is complete (by finding all the marked channels) the user will be notified. In a repeated system, the repeater could latch the marker.

  When the radio cannot find all of the marked channels within its code plug, it will scan the fr...