Register now for Kenwood Communications' on-demand webinar "Narrowbanding: Funding, licensing and deployment"

urgentcomm » SMT

Not your father's radio network

Published Tuesday, January 01, 2008

Modern land mobile radio systems are packet-switched networks that contrast sharply with legacy systems using circuit-switched connections. The circuit switch operates like the original telephone network, where each call requires a physical connection between two end users that is maintained until the call is complete. The circuit switch manages some number of narrowband channels, and each channel is dedicated to a single conversation for the duration of the call. A trunked radio network is an example of a circuit-switched network. In contrast, the packet switch manages a single broadband channel by time-sharing the channel on a packet-by-packet basis.

To continue reading this article, please register or login – it’s quick and free…

Member Login

Forgot password? Need Help?

Enter your email address below, and we'll email your password.

Are cookies enabled in your browser?

This site uses cookies and session data to keep track of your name and preferences while you're logged in. You cannot login without enabling cookies.

One Step Registration

Fill out the form below for instant access to the page you’ve requested.

Website members also receive access to our entire archive and may apply for a complimentary subscription to our print magazine.
All fields are required Personal Info
  Required Must be a valid email
  Required Passwords must match
  Required
  Required
  Required
  Required
  Required
  Required
  Required

Urgent Communications Today


Submit the form for instant access to the page you've requested.

PODCASTS

Keep updated with communications industry topics with Urgent Communications' podcasts.

WHITE PAPERS

Download free white papers that delve into the intricacies of the mobile communications industry.

E-NEWSLETTERS

Check out our latest edition of Urgent Communications Today and Tech Talk. Not a subscriber? Subscribe now!

Resources

Subscribe to Urgent Communications today!

Hot Spots

Project 25

Interoperability

Rebanding

PSAP

Most Popular Articles

Motorola announces new channel-partner program

Kenwood develops wireless image transmission solution prototype

Raytheon to show interoperability vehicle for first time

WiMAX could be a rural solution, particularly in the short term

Grant money can be found, if you know where — and how — to look

Editor's Picks

In-Building Blocks

Crystal clear

CellTrust unveils secure SMS

FCC should heed NPSTC concerns about 2011 deadlines


More Editor's Picks
Browse Back Issues