Coverage/Interference

Winning the battle

Last month, we began to explore radio-frequency interference, every technician’s bane. Now we look at additional causes of RFI and — more importantly — what can be done about them.

The bane of your existence

Radio-frequency interference is something that every radio-system engineer will encounter, sooner or later. In this installment, we begin to explain how it occurs and what to do about it.

A losing proposition

How RF attenuation on the transmission line affects the transmitter

Solving intermodulation interference

Common problems, real-world examples and solutions

The value of ferrite RF isolators

Proper use at crowded communications sites can reduce intermodulation effects

Transmitter noise/receiver desense primer

When locating multiple stations at a single site, several precautions must be taken to guard against interference to all stations at the site. Among the

Article

Coverage prediction for digital mobile systems (Part 2)

Propagation as a channel filter An instructive and useful way to look at the propagation mechanism is to consider it as a filter, and the propagation

Coverage prediction for digital mobile systems (Part 1)

The rapid growth in mobile communications systems over the past several years has lead to increasing use of digital modulation techniques to transmit

Winning the battle

The bane of your existence

A losing proposition

Solving intermodulation interference

The value of ferrite RF isolators

Transmitter noise/receiver desense primer

Article

Coverage prediction for digital mobile systems (Part 2)

Coverage prediction for digital mobile systems (Part 1)

Commentary

T-Mobile proposal of free 5G for public safety is a great idea, but there are a lot of caveats

911 dispatch centers can take multiple steps to combat cyberattacks

Proposed three-digit suicide-prevention ‘Lifeline’ would benefit public-safety communications

Events

UC Ezines

IWCE 2019 Wrap Up

Twitter

Terry Burnworth, president of @Pyramid_ACE1 explains the challenges that #911centers face as transitions from voice… twitter.com/i/web/status/1…

President and co-founder of @FLYMOTIONmedia demonstrates the ability of the company's drone service to provide trad… twitter.com/i/web/status/1…

Ioan Pop describes the features of a durable security-enhancement robot prototype call Roameo that can be customize… twitter.com/i/web/status/1…

Deployment of @FirstNetGov on Y00 MHz Band 14 spectrum is 75% complete. The #NPSBN now supports more than 1 million… twitter.com/i/web/status/1…

Our last #PTT and #futureofvoice webinar is on Dec 12! Join us for the "Decision time: Balancing Investments in MC… twitter.com/i/web/status/1…

RT @IWCEexpo: Join us on Mar 30 - Apr 3 for the premier #criticalcommunications event! The five-day event features an 80,000 square foot ex…

Interested in learning about new opportunities at #IWCE 2020? Join us on Dec 17 for the New Show Features & Opportu… twitter.com/i/web/status/1…

Happy Thanksgiving! 🍁 We hope you enjoy a big feast tomorrow. To kick off the saving season, we're dishing up a del… twitter.com/i/web/status/1…