The Research Of Police Digital Trunking System Network Planning And The Key Technologies

Wireless communication is an important part of police work,research PDT(Police Digital Trunking System)network planning and key technology,can look at the system that may occur during development issues from a technical point of view,for the construction program provide the technical basis,reasonable and effective way for the construction of a communication network set up and communication facilities to handle emergencies and improve the response to natural disasters,the ability to respond in a police combat,in order to manage public order,criminal investigation,enterprises internal security,fire fighting,traffic management,emergency response and other police activities at the sudden irreplaceable assistance role.In this paper,technical analysis and case study method of combining police digital trunk network planning research.In the theoretical part of technical analysis on the development background PDT system,research and elaborate construction progress,focuses on PDT cluster network planning key technical features and advantages and disadvantages,the use of comparative analysis,comparison and research at home and abroad related technologies.The main part of Tianjin PDT research cluster system construction blueprint,designed with a prominent characteristic of local conditions,focusing on good network top-level design,focusing on digital trunking Tianjin police,for example,by enumerating the Tianjin public security organs in police combat due to poor communication problems and propose the use of technical means to a solution.Network planning,including system architecture PDT cluster system backbone network topology,simulation,modeling,site planning,handover,frequency allocation,capacity design.Technique of section focusing on digital trunking technology demonstration and PGIS(Police Geographic Information System)technology combined with positioning,110 Alarming technology,data query technology and other information technology.This article is a combination of Tianjin public security police on the actual study with PDT cluster networkplanning and the key technologies to solve possible problems in the process of building the system.