Networks and Systems

...in the news

Augusta Systems says public safety largely untapped in M2M

Jul 1, 2009 5:08 PM, By Lynnette Luna

When folks talk about the machine-to-machine communications revolution, the context mostly revolves around connected machines such as cars, appliances and buildings. Public safety itself, aside from the boom in vehicle telematics, appears to be largely untapped....

TerreStar readies for launch of next-gen satellite

Jun 30, 2009 2:36 PM, By Donny Jackson

Satellite-communications provider TerreStar Networks is scheduled to launch a next-generation satellite tomorrow that is expected to bring satellite functionality to everyday devices, including consumer wireless handsets and — eventually — LMR radios used by public-safety personnel....

Reporter's Notebook: DHS announces $1.8 billion in grants

Jun 29, 2009 3:29 PM, By Mary Rose Roberts

DHS announces $1.8 billion in grants; Digi International unveils Smart Energy product suite for utilities; and more....

...from our magazine

A stacked deck

Jun 1, 2009 12:00 PM, By Ira Wiesenfeld, P.E.

Laws of nature, physical obstructions and bad decisions all contribute to system performance issues....

Good to know

Jun 1, 2009 12:00 PM, By Harold Kinley

The relationship between field intensity and signal level should be understood by all RF technicians....

...commentary

LTE may be data-only, but still needs to support voice

Jul 1, 2009 4:32 PM, By Lynnette Luna

There is an interesting situation that is brewing when it comes to Long Term Evolution (LTE) technology, and I'm surprised to find people already talking about it as operators aren’t scheduled to deploy the technology until next year. And that is: How will LTE support SMS and voice, which are the bread and butter of the mobile operator business today? Right now, LTE cannot support either because it is an all-IP technology that doesn't support the circuit-switched architectures found in today's mobile networks. ...

Next-gen satellite promises additional options

Jun 30, 2009 2:48 PM, By Donny Jackson

If all goes well tomorrow, TerreStar Networks will launch a new satellite that is so big that the traditionally large antennas found on satellite devices no longer will be necessary....


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