DIGITAL COMMUNICATIONS IN POLICE OPERATIONS - THE POTENTIAL IN THE LOS ANGELES POLICE DEPARTMENT

• NCJ Number: 28478
• Author(s): J H PARNESS
• Date Published: 1975
• Length: 56 pages
• Contract Number(s): F19628-73-C-0001
• Sponsoring Agency: US Dept of Justice; US Dept of Justice NIJ Pub
• Corporate Author: Mitre Corporation
• Sale Source: National Institute of Justice/
• Language: English
• Country: United States of America

Annotation

VOICE RADIO TRAFFIC BETWEEN MOBILE UNITS AND BASE STATIONS IN LOS ANGELES WERE STUDIED TO DETERMINE THE NUMBER AND TYPE OF VOICE TRAFFIC MESSAGES THAT WOULD BE SUITABLE FOR DIGITAL COMMUNICATIONS TRANSMISSION.

Abstract

THE REPORT IDENTIFIES THE TYPES OF MESSAGES INVOLVED AND PROVIDES MEASURES OF THE FREQUENCY OF USE AND LENGTH OF AIR TIME. MEASURES OF THE EFFICIENCY OF USE OF CHANNEL CAPACITY AND THE MESSAGE QUEUING THAT RESULTS FROM CHANNEL LOADING ARE THEN DERIVED. FINALLY, THE REPORT DISCUSSES THE POTENTIAL IMPROVEMENT WHICH CAN BE REALIZED BY CONVERTING TO DIGITAL TRANSMISSION TECHNIQUES. (AUTHOR ABSTRACT MODIFIED)