Vice President and General Manager, Mobile Routing Business Unit
Sorry, Markku Ellilä is no longer with Tellabs. Comments on his posts will still be acknowledged, just not by the original author.
February 20, 2013 / 3:48 PM
There will be a disruption in our industry in the next few years, driven by many of the biggest telecom carriers of the world. The name of the disruption is SDN, Software-Defined Networking. The Open Networking Foundation (ONF) defines SDN with three main characteristics:
January 15, 2013 / 9:51 AM
According to Infonetics, the primary reasons to deploy SON (self-organizing networks) are OpEx reduction, improvement in capacity, quality, network performance, and small cell usage. I have been hearing exactly the same message in my discussions with service providers all over the world. The fundamental goal of SON is to minimize the network lifecycle-related cost.
January 8, 2013 / 9:15 AM
Mobile backhaul architecture should be designed according to the needs of the carried services. One way to do this is for operators to look to the traffic volume distribution among the cell sites. Feedback that we’ve received from operators suggests that, typically, well over 50% of traffic volumes originate from cell sites in urban regions.
December 11, 2012 / 9:17 AM
Last month, I had the honor to present at the Small Cells Global Congress event in Berlin. I discussed whether public small cell backhaul solutions should be an evolution to the existing network architecture—or a revolution.
The predictions on small cells vary slightly, but the majority of analysts agree that growth will start in 2013 and rapidly continue that trend moving forward. Analysts expect that costs will settle at approximately 20% of the macro cell site total cost of ownership.
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