ACUTA and HetNet Forum: Technology Advances in Cellular ...
Transcript of ACUTA and HetNet Forum: Technology Advances in Cellular ...
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ACUTA and HetNet Forum: Technology
Advances in Cellular: What LTE,
MIMO and Small Cells Mean on
Campus
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Derrick Smith Raymond Weaver Brian Benjamin
AT&T Antenna Advanced RF Technologies Crown Castle
Solutions Group
Speakers
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© 2011 AT&T Intellectual Property. All rights reserved. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property.0
LTE and HetNet: The Wireless Landscape J. Derrick Smith
National Technical Standards Manager – DAS and Indoor Small Cells
AT&T Antenna Solutions Group
AT&T Proprietary (Internal Use Only) Not for use or disclosure outside the AT&T companies except under written agreement
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© 2011 AT&T Intellectual Property. All rights reserved. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property.0
The Wireless Landscape: Problem Statement
4 AT&T Proprietary (Internal Use Only) Not for use or disclosure outside the AT&T companies except under written agreement
Problem
1. More people are utilizing data services over a mobile broadband connection
2. Those users are transitioning to more advanced and sophisticated smartphones and tablets
3. Smartphone generates 20x traffic of feature phone; tablet generates 100x as much
4. By 2015, smartphone data generated expected to increase 18x
5. 70% of usage occurs indoors
Source: Alcatel-Lucent Metro Cells: A cost-effective option for meeting growing capacity demands
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© 2011 AT&T Intellectual Property. All rights reserved. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property.0
The Wireless Landscape: AT&T is Building the World’s Premier Network
5 AT&T Proprietary (Internal Use Only) Not for use or disclosure outside the AT&T companies except under written agreement
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© 2011 AT&T Intellectual Property. All rights reserved. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property.0
The Wireless Landscape: 4G LTE & LTE Advanced
6 AT&T Proprietary (Internal Use Only) Not for use or disclosure outside the AT&T companies except under written agreement
Incorporates a series of tools to boost network intelligence and performance including
– SON – Carrier Aggregation – High-Order MIMO – Heterogeneous Networks
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© 2011 AT&T Intellectual Property. All rights reserved. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property.0
The Wireless Landscape: Carrier Aggregation
7 AT&T Proprietary (Internal Use Only) Not for use or disclosure outside the AT&T companies except under written agreement
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© 2011 AT&T Intellectual Property. All rights reserved. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property.0
The Wireless Landscape: Densification & Small Cells – The Heterogeneous Network
8 AT&T Proprietary (Internal Use Only) Not for use or disclosure outside the AT&T companies except under written agreement
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ADRF CONFIDENTIAL
Campus Coverage Requirements
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Heterogeneous Solution Diverse Requirements
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ADRF CONFIDENTIAL
Het Net Concept
Small Cell Repeater
Indoor DAS Outdoor DAS Head End
BTS Hotel
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ADRF CONFIDENTIAL
Fiber DAS
Head End
Remote Locations
Serving Antenna Donor
Antenna
oDAS
iDAS
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ADRF CONFIDENTIAL
Repeater Fed Passive DAS
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ADRF CONFIDENTIAL
Small Cell
Backhaul
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ADRF CONFIDENTIAL
BTS Hotel – Indoor DAS
Backhaul
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ADRF CONFIDENTIAL
Build Strategy
Phase 1
Phase 2 Phase 3
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ADRF CONFIDENTIAL
2G/3G -> 3G/4G Transition
2G
3G
4G
2G
3G
4G
2G
3G
4G
BTS Head End Remote
Upgrade Active Components
Infrastructure in Place
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ADRF CONFIDENTIAL
MIMO Considerations
Layer One
Layer Two Service
MIMO 0
Service
MIMO 1
Increased Data Rates – Additional Infrastructure Required
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ADRF CONFIDENTIAL
Carrier Coordination
Coverage Acceptable Solution Required Future Phase
Carrier Site
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ADRF CONFIDENTIAL
FGCU – Growth Plan
Head End/BTS
Initial Scope
Test -> Prioritize
Planned Scope
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ADRF CONFIDENTIAL
FGCU – First Building and Head End Location
Increased Data Rates – Additional Infrastructure Required
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ADRF CONFIDENTIAL
DAS & Small Cell Summary
Band Remote (ADX-R)
Engage Carriers Early
Test and Prioritize
Design and Build for Growth
Choose Vendors Carefully
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Wireless Demand at Universities
Growing Demand and Expectations
Students and faculty depend on mobile devices
Parents need to stay in touch with students
Attendees at sporting and other events demand wireless connections
Universities rely heavily on web-based content and delivery of on-line
courses
Universal campus demand in classrooms, residence halls, libraries,
and stadiums
Growing Concerns
Students, parents, and university staff view poor wireless availability as
a major security concern
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Coverage and Capacity
Traditional methods to provide coverage and capacity often ineffective
― Dense building materials and older construction
― Campus topography
― Mobile user crowds at sporting and other events
― Large complex facility footprints
Aesthetics and Budget Constraints
Preserving valuable campus real estate with an optimal solution
Limited network budget resources
University Wireless Network Challenges
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DAS Solution/StrategyOptions
• Build Your Own
– Capital intensive
– Still need carrier involvement and commitment to activate
networks
• Carrier Direct Relationships/Solutions
– Manage multiple relationships and projects or
– One carrier is the lead and manages all others
• 3rd Party Neutral Host
– Works with all carriers on university’s behalf
– Some have the ability to manage macro and DAS environments
on campus for the university
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DAS Benefits for Universities
Coverage, Capacity, Aesthetics
Campus-wide wireless coverage and capacity
Ubiquitous wireless availability via multi carrier host
Networks scale-up building-by-building as demand increases
Satisfy students, faculty, alumni and staff expectations
A competitive edge for attracting top students and faculty
Equipment blends into existing campus landscape
Streamlined Operations
Insure campus-wide efficiency of staff operations
Attractive Financial Terms
New Revenue Streams
No build-out costs
No day to day management expense
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Requirements for the University
• Availability of Fiber and Conduit, new or existing, to key
locations
• Dedicated Hub Location
– Central to system and target coverage areas
– ~2,000 sq. ft of space
– Easy access to utilities demark
• 24/7/365 access to hub and service locations
• Support and assistance with local regulatory agencies.
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Goals • Solve for carrier coverage and capacity offload needs
• Balance aesthetics and economics in developing the most effective solution that
will drive carrier participation
Contract Final
Design Carrier
contract Install Lease Up
Project Process Overview:
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Design Methodology
Approach: • Consider carrier direction on coverage
and capacity needs
• Consider direction from the University on coverage expectations and priorities
• Targeted coverage of defined coverage areas
• Accommodate all FCC licensed frequencies and technologies: CDMA, GSM, iDEN, LTE, PCS and WiMax
Next Steps:
• Obtain RF requirements from carriers
• Conduct benchmark signal testing
• Create preliminary design and obtain carrier approval
• Perform CW tests to validate design
• Update design as needed (based on test results) and secure final carriers approval
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Project Implementation
Locations of HUB, Antennas and Nodes: • Will work with the University to develop a DAS
that utilizes both new and/or existing structures
• Sensitive to the aesthetic concerns throughout the campus
• Visual simulations of antenna and equipment locations will be presented to the University for approval
• Engineered construction drawings will be developed, local jurisdictional approvals and building permits will be obtained.
Fiber Design: • Based on meeting all of the WSPs RF link Budget
requirements • Fiber distance limitation is 10 miles • Amount of fiber required will be based on the
final design
• Work with the University to utilize existing fiber or install new fiber to meet the DAS requirements.
Project Management: • Provide Construction Management and Project Management Services including project updates, schedules and
progress meetings • Equipment Procurement, Installation and Commissioning • Carrier Integrations
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Tracy Ford [email protected]
Derrick Smith [email protected]
Raymond Weaver [email protected]
Brian Benjamin [email protected]
Contact Information