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Small Cells, DAS & Het-Nets

AC/DC Power Solutions: The Forgotten Small Cell Requirement

The demand for high quality data services on LTE networks continues to grow as mobile subscribers increasingly use their smartphones and tablets to watch mobile video, stream audio and update social media sites. As this usage increases, mobile operators are evolving their radio access network (RAN) to augment the coverage and capacity of their networks. These dense heterogeneous networks (het-nets) include many types of small cells – indoor small cells (picocells), Wi-Fi, outdoor small cells (metrocells and microcells), Distributed Antenna Systems (DAS), and Remote Radio Heads (RRHs).

Mobile operators must consider many factors when determining the location of the small cells in their het-net. As part of these considerations, the mobile operator must ensure that a steady power source is available and must answer several questions regarding power. Does the small cell require AC or DC power? How much power is required? What power is available at the site? Will backup power be required?

This market study provides an analysis of the power requirements of various small cells, details the types of power systems that are available, and discusses the issues considered when choosing a power source.

Key Questions Answered

  • What is a het-net?
  • What defines each type of small cell?
  • What types of power systems are currently available and what are the benefits of using each type?
  • What are the power requirements of each type of small cell and which types of power system are typically deployed for each?
  • What types of backup are available and being used today?

Who Should Read

  • Mobile operators
  • Enterprise technical personnel
  • Power solution vendors
  • Small cell vendors
  • Financial analysts and investors

Table of Contents

  • Abstract
  • Executive Summary
  • Methodology
  • The Need for Small Cells and the Het-Net
  • Small Cells Defined
    • Femtocells
    • Picocells
    • Metrocells
    • Remote Radio Heads
    • Distributed Antenna Systems (DAS)
    • Microcells
  • Power Considerations when Deploying Small Cells
  • Power Options Defined
    • Local DC Power
    • Embedded DC Power System
    • Local AC Power
    • Remote DC Power
    • Power over Ethernet
  • Small Cell Power Requirements
    • Femtocells
    • Picocells
    • Metrocells
    • Remote Radio Heads
    • DAS
  • Backup Power
    • Types of Small Cell Backup
    • Pros and Cons
    • Local and Remote Backup Options
  • Small Cell Power Vendor Profiles
    • Alpha Technologies Ltd. (ATL)
    • CommScope
    • Delta Electronics
    • DongAh Elecomm
    • Eltek
    • Emerson
    • GE Critical Power
    • Huawei
    • TE Connectivity
    • TSI Power Corporation
  • Definitions
    • General
    • Device Types
    • Services
    • Network Technology
  • About iGR
    • Disclaimer

List of Tables

  • Table 1: Het-Net Technologies and Architectures
  • Table 2: Typical Power Options for Small Cells

List of Charts and Figures

  • Figure 1: Het-Net Overview
  • Figure 2: Metrocell Deployment
  • Figure 3: Remote Radio Head Deployed on a Tower
  • Figure 4: Remote Radio Head Deployed Like a Small Cell
  • Figure 5: Passive DAS Deployed in a Building
  • Figure 6: Active DAS Deployed in a Building
  • Figure 7: Local DC Power System
  • Figure 8: Local DC Power Cabinet System
  • Figure 9: Local DC Power All-in-One System
  • Figure 10: Remote DC Power - Line Power
  • Figure 11: Remote DC Power - Line Power with Parallel Circuits
  • Figure 12: Remote DC Power - Low Voltage Power
  • Figure 13: Remote DC Power - Low Voltage Power with a Boost Converter
  • Figure 14: Local DC Power with Battery Backup
  • Figure 15: Local AC UPS
  • Figure 16: Remote DC Backup Power
  • Figure 17: Remote AC Backup Power
  • Figure 18: ION-E Solution
  • Figure 19: TE Connectivity Powered Fiber Cable System

For additional information on the AC/DC Power Solutions: The Forgotten Small Cell Requirement market study, please contact Iain Gillott, at (512) 263-5682 or by email.