Private Lines
About Private Line

Private Line covers what has occurred, is occurring, and will ocurr in telecommunications. Since communication technology constantly changes, you can expect new content posted regularly.

Consider this site an authoritative resource. Its moderators have successful careers in the telecommunications industry. Utilize the content and send comments. As a site about communicating, conversation is encouraged.

Writers

Thomas Farely

Tom has produced privateline.com since 1995. He is now a freelance technology writer who contributes regularly to the site.

His knowledge of telecommunications has served, most notably, the American Heritage Invention and Technology Magazine and The History Channel.
His interview on Alexander Graham Bell will air on the History Channel the end of 2006.

Ken Schmidt

Ken is a licensed attorney who has worked in the tower industry for seven years. He has managed the development of broadcast towers nationwide and developed and built cell towers.

He has been quoted in newspapers and magazines on issues regarding cell towers and has spoke at industry and non-industry conferences on cell tower related issues.

He is recognized as an expert on cell tower leases and due diligence processes for tower acquisitions.

« Murray's Wireless Nation: The Frenzied Launch of the Cellular Revolution in America | | Question and answers with Ken Schmidt and Mark van der Hoek »

August 27, 2004

Posted by Tom Farley & Mark van der Hoek at 10:01 PM

Universal Mobile Telecommunications System

UMTS stands for Universal Mobile Telecommunications System. It's an evolution of GSM (internal link), previously TDMA based, now, with UMTS, CDMA. Why the change? Capacity, CDMA can process more calls than TDMA. There are other reasons, too, but none more important than permitting more calls. This is a wideband CDMA scheme, compared to the narrowband plan of cdma cdmaOne (internal link) that we discussed below. Next week I hope to explore more of this change with GSM.

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