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Interference identification and management in dense, multilayer networks is a crucial task and, in many ways, a different task than in a macro only network. In our conversation with Tom Elliott, Product Manager at Anritsu we talked about how to identify sources of interference in DAS and small-cell networks.

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In this paper, we compare two solutions available to mobile operators – passive DAS and active DAS – and discuss how they relate to traffic and capacity requirements, venue topologies, and manageability.

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In this white paper, "AeroMACS: A common platform for air traffic management applications,"  sponsored by the WiMAX Forum, I  looked at wireless applications that support the ground segment of air traffic management. AeroMACS is the technology that can bring broadband connectivity in airports to connect fixed and mobile assets, staff, and aircraft, to airlines, airport authorities and traffic control agencies.

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The first time I heard about LTE in the 5 GHz license-exempt band, my reaction was: “Why do we need it? Wi-Fi works well, it’s cheap, and it’s in every device.”

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Intel is working on multiple fronts to ensure a smooth transition to SDN/NFV, but its unifying and paramount goal is to ensure that COTS x86 servers can support carrier-grade performance in networks running many demanding applications with widely differing requirements. I talked to John Healy, General Manager, Software Defined Network Division, Datacenter Group at Intel to get the latest vision on virtualization and learn more about what Intel is working on in this area.

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Telefonica is an early mover and adopter when it comes to virtualization. It has worked with the ecosystem through ETSI’s standardization efforts, and in the open source community. But it also has short-term plans for commercial NFV deployments. I talked to Diego Lopez, Head of Technology Exploration at the Network Innovation and Virtualization Directorate at Telefonica, and the Chair of the Technical Steering Committee at the NFV ISG at ETSI.

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AT&T has been for a long time a very proactive proponent of SDN and NFV which are the key components of Domain 2.0. Our conversation with Tripps Tripathi, Director New Tech Prod Dev Eng, Services Design and Development, AT&T, gives us an update on AT&T Domain 2.0 and on the learnings from the initial stages of the transition to a virtualized network.

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Faced with an increase in traffic volume and complexity, KDDI looks at NFV as a way to get the flexibility and agility it needs to increase network efficiency and support new services.

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SpiderCloud takes NFV to the edge – in carrier-driven small-cell deployments in the enterprise, where there are many advantages to run some applications locally in a virtualized environment.

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