"It's a very complex problem and a decade of research internationally had failed to provide any real progress. The key was to stop looking for complex solutions, think differently about the issue and come up with simple answers to the issues," Prof Leith said.
"We took this on as a challenge and have worked intensively on it over the past two years. Our hope is that it will be an enabler for civic society and for commerce.
"At the end of the day, broadband is for everyone and we all should be able to share in it as cheaply and freely as possible."
The team developed a new mathematical framework to analyse the functioning and behaviour of radio signals on WiFi networks and used this to work out where and why access was being interrupted.
Their software allows wireless transmitters to operate more effectively by sorting signals.