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Distributed Antenna Systems A National Perspective
New York State Wireless Association2011 Trade Show and ConferenceThe Sagamore Resort, New York
May 12, 2011
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DAS Forum Members
Council of Founding Members
American Tower CorporationAndrewAT&TConnectivity WirelessCorning Cable SystemsCrown Castle InternationalDonohue and Stearns, PLCExteNet Systems, Inc.H&M Networks, a division of Henkels &
McCoy, Inc.Sprint NextelT-Mobile, USA
Other Members
3MADC/TEAdvanced Communications, Inc.Advanced RF TechnologiesAnziva Technologies, LLCArchComm, Inc. ArchitectsCozen OConnor
Cuddy & Feder, LLPDavis Wright Tremaine, LLPDeltanode, ABDynamic EnvironmentalErrigaliBWave SolutionsINOC, LLCInsite Wireless, LLC
IsotropeLongent, LLCLord & Company TechnologiesMobilitieNextG Networks, Inc.Phillips Lytle, LLPTexas Christian UniversityWireless Partners
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A distributed antenna system (DAS) is a
network of spatially-separated antenna nodes
connected to a common source via a transport
medium that provides wireless service within ageographic area or structure. DAS antenna
elevations are generally at or below the clutter
level of nearby trees and buildings.
What is DAS?
Hub Nodes
Hub/Equipment Room
Nodes
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RF OutRF In
Filter andCondition
OpticalModulator
Optical
Fiber OpticalDetector
RFAmplifier
Antenna
How Does DAS Work?
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Coverage: DAS architecture provides coverage in areas that cannot beeffectively addressed with traditional sites.
Capacity: DAS can closely align capacity to actual market requirements,managing available radio resources.
Spectrum: DAS uses available frequency spectrum efficiently through multiple
low-power transmission points.
Interference: DAS reduces interference through low radiation centers and loweroutput power.
Data: DAS provides better data throughput given signal strength and proximity oftransmission points to user equipment.
Scalability: DAS is a scalable network that can meet future capacityrequirements, or additional carriers, by adding additional nodes.
Adaptability: DAS can respond to market dynamics, equipment architecturechanges and new technologies.
Benefits of DAS
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In-building DAS
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DAS Applications: In-Building Systems
iDAS is ideal for large venues (e.g., malls,convention centers)
Tunnels & SubwaysConvention CentersHospitality Venues
StadiumsStadiumsAirportsMDU/High Rises
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Inbuilding Market Size (Equipment and Services)
Global IBW Total Equipment and Services Market will grow at 20% CAGRbetween 2008 and 2014
ABI Research
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Inbuilding Market Technology Breakdown
2008 ($5.5 billion) 2014 ($15.4 billion)
Approx 1% of buildings covered in NA Approx 3.3% of buildings covered in NA
Distributed Radios (femtocells and picocells) will steal market share from PassiveDAS systems by 2014
ABI Research
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Inbuilding Market Dynamics
Three prominent business models:
Carrier Owned
Enterprise Owned
Neutral Host
Move towards shared cost model with multi-carrier systems
Building owners are becoming more proactive in the public venue,
healthcare, hospitality, and university verticals. Starting to see more interestin commercial building sector.
Driven by building codes requiring public safety DAS
Attracting/retaining customers and employees (faculty/physicians). 80%IBW data communications initiated inside buildings
Leveraging DAS as a mission critical platform Capacity off-load solution and carrier need to serve smart phone/tablet
customers
Femtocells and Picocells are expected to play a more prominent role in IBWsystems both as a feeder into DAS as well as a distributed radio solution,
especially in buildings that are 100,000 square feet and smaller.
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Federal Regulatory Activity Affecting Inbuilding DAS
FCCs Notice of Proposed Rulemaking to amend parts of the Commissions
Rules to Improve Wireless Coverage through the Use of Signal Boosters In response to petitions filed by Bird Technologies, CTIA, The DAS
Forum, Jack Daniel, and Wilson Electronics
Proposes to amend rules to adopt new technical, operational, andcoordination parameters for fixed and mobile signal boosters.
DAS Forum proposed Code of Conduct: Sale of booster/repeater accompanied by a notice stating that it is
the responsibility of the owner/installer to coordinate with theappropriate local carriers prior to operation to avoid harmfulinterference
Owner/installer must provide carrier with FCC certification numberor other information concerning technical characteristics
Carrier confirming coordination and no likelihood of harmfulinterference = licensee consent
If at any time the equipment causes interference, owner mustmitigate
Responses due in 44 days
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Federal Legislative Activity Affecting Inbuilding DAS
Reforming Airwaves by Developing Incentives and Opportunistic Sharing
Act RADIOS Act Introduced by Senators Snowe and Kerry, currently before the
Committee on Commerce, Science, and Transportation
Proposal to promote development and opportunity with regards to
spectrum occupancy and use, and for other purposes
If adopted, the Act will: Require the GSA to install Wi-Fi hotspots in all publicly accessible
Federal buildings constructed after the date of enactment
Allow for the installation of wireless neutral host systems by anywireless neutral host provider upon request in all publicly accessibleFederal buildings; and
Retrofit all Federal buildings with Wi-Fi hotspots and wirelessneutral host systems constructed prior to the date of enactment, notlater than December 31, 2013
Sets side $15M, drawn from unobligated balance of amounts madeavailable from the Federal Buildings Fund
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Outdoor DAS
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Crown Castle Hub Site Hilton Head, SC
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Crown Castle Remote Node Site Hilton Head, SC
Hub Site
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ExteNet Hub Site Andover, MA
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ExteNet Remote Node Site Andover, MA
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DAS Applications: Outdoor Systems
10
oDAS is often used for macro infill,shadow areas coverage, and capacityaugmentation
Canyons & Coastal
Campus Urban Core
Suburban
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oDAS Networks
oDAS Network
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Presidents Plan to Win the Future through Wireless
Innovation and Infrastructure Initiative
In his State of the Union Address, President Obama set a goal of enablingbusinesses to provide high-speed wireless services (4G) to at least 98% ofall Americans within 5 years
Nearly double wireless spectrum available for mobile broadband
Free 500 MHz spectrum -- auctions ($27.8B) and more efficient
use of government spectrum. Support one-time investment of $5B to reform the Universal Service
Fund
Catalyze Innovation through a Wireless Innovation (WIN) fund --$3B to support R&D of emerging wireless technologies andapplications
Nationwide, Interoperable Public Safety Network reallocation of700 MHz D Block; $10.7B and $500M in WIN Fund
Contribute nearly $10B to reduce deficit
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Federal Regulatory Activity Affecting Outdoor DAS:Pole Attachments
FCCs Report and Order and Order on Reconsideration on Pole
Attachments, Adopted April 7, 2011
Access Confirms wireless providers have a right to access poles andpole tops. Clarifies that a denial must detail the specific capacity, safety,reliability, or engineering concern
Make Ready Sets maximum timeframes of 148 (communicationsspace) 178 (pole tops) for utilities to complete make ready work forpole attachments; allows attachers to use qualified contractors toperform make ready if utility does not complete make ready within theproscribed timeframe; creates a complaint process for violations of themake ready timeframe
Rates Confirms that wireless attachers are entitled to the sameregulated rate as other telecommunications providers. The rate will besimilar to that paid by cable companies (Some companies reportmarket rates at 120x regulated rate.)
Complaint Resolution Modifies complaint procedures to requireparties to enter into executive-level discussions prior to filing a
complaint at the Commission
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Anticipated Impact of the New Pole Attachment Regulations
The number of nodes in operation could double to 20,000 by the end of2012,with an estimated total of more than 150,000 by the end of 2017
An estimated cumulative total of more than $5B in capital savings through2017 could be realized, resulting from pole top access versuscommunications space
Cumulative annual CapEx by DAS providers could double by the end of2012 to $2B, with an estimated cumulative total of more than $15B by 2017
Spectrum efficiency within a given service area may increase by up to 130%(DAS enables spectrum efficiency by facilitating the reuse of existingspectrum resources in a given serivce3 areas, thereby improving coverage
and capacity without additional spectrum.
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Federal Regulatory Activity Affecting Outdoor DAS:Accelerating Broadband Deployment
FCCs Notice of Inquiry on Accelerating Broadband Deployment
Adopted April 7, 2011
Seeks comment on key challenges and best practices in expanding thereach and reducing the cost of broadband deployment by improvinggovernment policies for access to rights of way and wireless facilitiessiting.
Specifically asks the extent to which ordinances or statutes have beenupdated to reflect current communications technologies or innovativedeployment practices
Challenges that may apply to the deployment of microcells,
picocells, femtocells, and DAS How different jurisdictions treat the use of existing infrastructure for
wireless services, both in and out of rights of way
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Zoning/Franchising Issues
Most local zoning ordinances do not address DAS networks, so theapplication of local regulation to DAS is often unclear.
Some DAS providers obtain local entitlements or franchisesthrough the right-of-way process.
Others submit applications as collocations on existing structures.
While jurisdictions tend to look at DAS favorably because of its low-profile visual design and use of existing vertical real estate, many of the
wireless siting challenges faced when building macro sites are still
present when deploying DAS.
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Contact
Connie Durcsak
Senior Director, Industry Services, PCIA(pcia.com)
Executive Director, The DAS Forum(thedasforum.org)
703.535.7451