Paul KapustkaSenior Contributor, PCWorld

Paul Kapustka is the editor of Mobile Sports Report (www.mobilesportsreport.com), the leading provider of news and analysis on the stadium technology market.

Wi-Fi on Buses and Trains: Better Service Ahead

Efforts by cities and transit authorities to keep bus and train passengers connected have been lackluster, but 4G may change that.

Voice Over LTE Explained: Better Voice Quality Coming Soon to Your 4G Phone

What exactly is VoLTE (Voice over LTE)? In ten quick questions, we explain it, telling you how it works, when it may arrive, and why you might want it.

Can Over-the-Top Voice Services Free You From Mobile Minutes Charges?

U.S. wireless carriers fear that Web voice services such as T-Mobile Bobsled will take a bite out of their profits. That could very well happen--and consumers could benefit.

Why Speedy 4G Hasn't Taken Off (Yet)

2011 was supposed to be the year 4G wireless service arrived, but the mobile masses gave it a lukewarm reception. Will 4G finally take off in 2012?