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Mobile Backhaul

Mobile Sites Face Growing Bandwidth Demand
Mobile backhaul traffic is growing with the increased popularity of smart phones. Analysts estimate that the current bandwidth demand for mobile sites is 30 Mbps. In the near future, this number will expand to as much as 100 Mbps downstream and 50 Mbps upstream. With 90 percent of US mobile sites being copper fed, many providers have found that their T1/E1/DSL fed infrastructures don't scale well. Many look to fiber as a quick solution to meet the growing bandwidth demand; however two problems stand in the way: fiber can't be deployed quickly and requires great financial investment.

The Bonded Copper Solution
Positron provides a solution that is both quick and cost-effective. The Aktino bonded copper product line lets providers leverage existing copper pairs, making it possible to be deployed in days rather than months, which is required for fiber, not to mention the cost associated with trenching fiber. This is extremely valuable to many providers as it allows them to preserve capital for projects.


Up to 10 Times more Bandwidth over Existing Copper
By providing up to 100 Mbps of Carrier Ethernet Bandwidth, the Aktino Carrier Ethernet solutions increase backhaul bandwidth by up to 10 times more than other copper solutions at CSA distances:

  • 10 times more bandwidth than T1 IMA (8 Mbps/pair vs. 0.768 Mbps/pair)
  • 7 times more bandwidth than E.SHDSL (8 Mbps/pair vs. 1.15 Mbps/pair)

Data Traffic: Highly Asymmetric and Overtaking Voice
Studies have shown that mobile backhaul traffic has grown to 50 percent or more of the total backhaul traffic. Furthermore, the data traffic can be asymmetric by a ratio as high as 10:1 (downstream/upstream traffic).

Exploiting the Asymmetric Nature of Backhaul Traffic
Service providers are acknowledging the asymmetric nature of mobile backhaul traffic. Many have turned to Positron for their bonded copper solution that features Asymmetric Bandwidth. This feature allows providers to match the true nature of their backhaul traffic and therefore use resources efficiently to minimize the number of pairs required. Additionally, it is programmable, making it possible for providers to choose the right ratio of down/upstream bandwidth for each application.

Fiber-Like Reliability
By leveraging VDLS2-based MIMO on DMT technology and performing the bonding at the physical layer (Layer 1), the Aktino solutions overcome the problems of existing copper bonding methods, making it possible to deliver unprecedented bandwidth and reliability.


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