Www.sandc.com/comms ©2011 S&C Electric Company. All Rights Reserved. Donivon Hettich Director...

www.sandc.com/comms©2011 S&C Electric Company. All Rights Reserved.

www.sandc.com/comms©2011 S&C Electric Company. All Rights Reserved.

Donivon Hettich

Director Applications Engineering

MSGS

San Diego, CA

June 5, 2012

Understanding Your Options

Licensed & Unlicensed Spectrum Options

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Who is S&C?• Established 1911 in Chicago, IL • 2500 employee owners in 5 global facilities • Specialists in power protection & automation • Leading innovator of hardware and technology

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S&C’s Communication Systems

Your consultative integrator of communications solutions specific

to electric utilities.

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• Localized fundamental processing• Centralized processing with remote access• Distributed Intelligence articulating with central• Ubiquitous many to many communications

Evolution of Information Processing

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Difference of Potential

The story goes like this:If Alexander Graham Bell were somehow transported to the 21st century, he would not begin to recognize the components of modern telephony – cell phones, texting, cell towers, PDAs, etc. – while Thomas Edison, one of the grid’s key early architects, would be totally familiar with the grid.

Alexander Graham Bell

Thomas Edison

Source: US Department of Energy: The Smart Grid: An Introduction

What would Marconi think?

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Ubiquitous Connectivity

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Network of Networks

Use Cases

NAN

AMI-WAN DA-WAN

RTUs IEDs

Backbone

Field Area

LAN

RTUs IEDsLarge Substation

NOC

WAN• What spectrum

should be utilized?

• No single communication system does it all

• Differing use cases

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Option: Public Versus Private Networks

• UTC response to DOE request for information

• Decision could be a hybrid

• Network of Networks> Public normally licensed

> Private licensed or unlicensed

Control and Cost

Coverage

Availability

Reliability

Latency

Security

System Lifecycle

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Unlicensed or Licensed?• Unlicensed spectrum:

> Ideal for: AMI, AMR, SCADA, Distribution Automation

> 902-928 MHz, 2.4 GHz, 5 GHz

> Easily and quickly deployed

> Spectrum is free

• Licensed spectrum:

> Provide extended level of reliability (less interference)

> Spectrum ownership cost

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Licensed Frequency Trends

Cost of Ownership, Operability

4G Cellular

3G Cellular

3.65 and 4.9

GHz

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Licensed PSBN: Future Option• 700MHz Public Safety Broadband Network (PSBN)

> Middle Class Tax Relief and Job Creation Act 2012

> Nationwide 4G LTE network that allows Utilities as secondary users to First Responders

Advantages Challenges700 MHz Spectrum Access to Utilities

Network Sharing with Public Safety (Prioritization)

Network Operations Cost Reduced Network Standards Timeframe

Potentially Good Backhaul Concentrator Network Use Charge to Utilities

Potentially Good for Workforce Mobility Applications

Build-Out Time-frame

Coverage Mitigation

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Current Option: Licensed Frequency 4.9 GHz

• In 2003, the FCC opened 50 MHz of the 4.9 GHz Public Safety Band to all U.S. state and local government entities, including municipal power companies

> Point-to-multipoint are primary users(general license)

> Permanent point-to-point are secondary users (separate site license), which must be used within 18 months of grant

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Current Option: Licensed Frequency 4.9 GHzConsiderations:

• Apply at wireless.fcc.gov/uls, no charge, swift processing

• Can’t interfere with radio astronomy observatories

• 18 channels ranging from 1 MHz to aggregated 20 MHz

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Unlicensed Frequency Trends

Cost of Ownership, Operability

5 GHz

2.4 GHz

900 MHz

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Frequency Diversity

4.9 GHz

5.4 GHz

5.8 GHz

2.4 GHz

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Interference Mitigation

4.9 GHz

5.4 GHz

5.8 GHz

2.4 GHz5.2 or 5.3 GHz

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Aspects of Key Importance

Flexible frequencies Post deployment

Control and Cost

Coverage

Availability

Reliability

Latency

Security

System Lifecycle

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Getting Started…

• Future Needs Assessment• Legacy Networks Assessment • Gap Analysis• Roadmap Planning• Project Implementation• Deploy, support and maintain

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Donivon HettichDirector Applications EngineeringS&C Electric Company donivon.hettich@sandc.com