Mobile & Wireless

ADC: fiber to the cell tower is rising

Emerging data-intensive applications will dictate increasing bandwidth demands

by Sean Buckley

O'Brien addresses the following questions in this audiocast:

• When it comes to wireless backhaul, the two dominant methods have been either E1/T1 and TDM-based microwave solutions, but now we’re hearing more about carriers adopting or considering using IP/Ethernet for wireless backhaul. What’s driving the migration from TDM to IP/Ethernet-based wireless backhaul and how does ADC approach this opportunity?
• Can you talk about ADC’s approach to wireless backhaul?
• As service providers such as Verizon and AT&T with their FiOS and U-Verse last-mile strategies pull fiber closer to residents, it’s likely that that same fiber could potentially be pulled into cell sites, which often run along similar paths. Do you believe that service providers will also leverage their fiber investments to the home and bring them to cell sites?
• To help ease the migration pain for a wireless operator using Ethernet for backhaul, there’s been talk about a dual network where you maintain TDM for voice and then Ethernet for data. Are you seeing a similar trend?
• One issue that’s gaining momentum is dealing with clock synchronization when using Ethernet for wireless backhaul. How is ADC addressing that issue?

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