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Networks & Service Platforms

Where do Distributed Antenna Systems (DAS) Fit vs. Small Cells

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Report Summary:

Over half mobile device traffic today is indoors and mobile devices are becoming the primary work access mechanism at the office. Adding better in-building coverage and capacity become a major market opportunity. Operators have to find new ways to ‘densify’ their macrocell sites and reuse their spectrum indoors with lower power and greater frequency reuse. A solution that complements the Macrocell Infrastructure is essential. Distributed Antenna Systems (DAS) were among the first solutions to provide full indoor coverage. DAS is being widely used today but remains expensive to install. Will it be displaced by Small Cells? Or will become part of a continuum of wireless solutions?

This presentation evaluates the role of DAS and how it fits different solutions compared to small cells. These slides are an expanded version of those Strategy Analytics presented on November 14th. in the Avren Events Webinar on 'DAS - Key to Multi-carrier Indoor and Public venue Mobile Coverage' - They address a range of key questions including:
  • What is DAS?
  • In Building DAS
  • Passive, Active & Hybrid
    • Drivers for Deploying DAS
    • DAS Ecosystem
  • Examples: In-Building, Stadiums/Outdoor
    • Key Issue: Too much New Fiber/Wire in DAS?
  • Building Size & Need for Multiple Operators - Cost & Choice of Small Cells vs. DAS
  • Building Size Distribution Estimates
  • Alcatel Lucent now offers a Continuum of Solutions
  • Summary DAS vs. Small Cells vs C-RAN: Evolving Functionality and Cost
  • New Alternatives

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