1. <March 2008>
Project: IEEE P Working Group for Wireless Personal Area Networks (WPANs)
Submission Title: [the Smart Grid]
Date Submitted: [20 March 2008]
Source: [George Flammer] Company [Silver Springs Network]
Address [Add address Street, City, PC, Province/State, Country]
Voice:[Add telephone number], FAX: [Add FAX number],
Re: [In response to the WNG call for presentations]
Abstract: [Information on the Smart Grid]
Purpose: [To inform the WNG of the status and possibilities of the Smart Grid]
Notice: This document has been prepared to assist the IEEE P It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein.
Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P
<George Flammer>, <Silver Springs Network>

2. Silver Spring Networks
<March 2008>
Silver Spring Networks
the Smart Grid
March 19th, 2008
IEEE Orlando
<George Flammer>, <Silver Springs Network>

3. doc.: IEEE 802.15-<doc#>
<month year>
doc.: IEEE <doc#>
<March 2008>
Agenda
Describe the ‘Smart Grid’ and it’s application space
Discuss performance characteristics currently being applied
Discuss existing standards and their applicability to the Smart Grid
© 2008 Silver Spring Networks. All rights reserved.
<George Flammer>, <Silver Springs Network>
<author>, <company>

4. Smart Grid is Utility Automation
<March 2008>
Smart Grid is Utility Automation
North American utilities are $1T (trillion) business
Upwards of one hundred million electric meters are going to be emplaced within the next 10 years
Demand growing, new plants not being built
Carbon loading becoming worldwide issue
Fuel costs rising without apparent end
Energy Independence and Security Act of 2007: SMART GRID INTEROPERABILITY FRAMEWORK
‘Perfect storm’ for wireless technologies
<George Flammer>, <Silver Springs Network>

5. Smart Grid Architecture
<March 2008>
Smart Grid Architecture
<George Flammer>, <Silver Springs Network>

6. Smart Grid Territory and Nodes
<March 2008>
Smart Grid Territory and Nodes
Very wide service territory:
Ill defined
Possibly non-contiguous
Possible overlap.
Nodes characterized:
moderate to high value
non-mobile
typically non-optimal locations.
Nodes have substantial power
Plenty of processor
Do their job locally
Power constraint minimal
Power restraint appreciated.
<George Flammer>, <Silver Springs Network>

7. Smart Grid – Process Control
<March 2008>
Smart Grid – Process Control
Smart Grid applications are best defined as wide area process control
Low BW, (10 x 4kB per day)
Latency tolerant (~10 second)
Exceptional events require low single digit responses (e.g. 2 seconds)
Complete ubiquity: every customer location connected
Load control (“demand side management”) is inside the home and business
<George Flammer>, <Silver Springs Network>

8. Smart Grid – Conservative Design
<March 2008>
Smart Grid – Conservative Design
Smart Grid performs command and control for nations power infrastructure; it must be secure from inception.
Service life and Total Cost of Ownership is major consideration
Once emplaced, nodes should work reliably, upgradeable until removed.
Standard technologies-well vetted are most cost effective, they have known performance, largest ecosystem.
<George Flammer>, <Silver Springs Network>

9. Smart Grid – Some Specs Property Description Raw data rate
<March 2008>
Smart Grid – Some Specs
Property
Description
Raw data rate
915 MHz: 100 kb/s;   2.4 GHz: 100 kb/s; (others)
Range
1m to 20km
Latency
Down to 15 ms peer-to-peer, typically 100ms per ‘hop’
Frequency band
Two PHYs: 915 MHz and 2.4 GHz
Channel access
Slotted Random Multiple Access (SRMA)
Contention & Interference Reduction
Frequency Hopping Spread Spectrum
Topologies supported
Linear, star and full mesh
<George Flammer>, <Silver Springs Network>

10. Smart Grid – vs. existing WAN standards
<March 2008>
Smart Grid – vs. existing WAN standards
3G/4G
Sacrificed range for speed
Licensed frequencies - costly
Non-ubiquitous coverage
Star architecture
802.16
Sacrifices coverage for speed
Licensed frequencies – costly
802.11
Sacrificed range for high speed
<George Flammer>, <Silver Springs Network>

11. Smart Grid – vs. existing LAN/PAN standards
<March 2008>
Smart Grid – vs. existing LAN/PAN standards
802.11
Sacrificed range for high speed
Non-ubiquitous coverage
802.15
Sacrificed range for power
Sacrificed range for speed
Packet size limits many applications
Single channel operation not robust
Power constraints unneeded
Processor constraints unneeded
<George Flammer>, <Silver Springs Network>

12. Smart Grid – vs. existing LAN/PAN standards
<March 2008>
Smart Grid – vs. existing LAN/PAN standards
802.11
Sacrificed range for high speed
Non-ubiquitous coverage
802.15
Sacrificed range for power
Sacrificed range for speed
Packet size limits many applications
Single channel operation not robust
Power constraints unneeded
Processor constraints unneeded
BUT: with suitable amendments, ? would perfectly suit Smart Grid requirements….
<George Flammer>, <Silver Springs Network>

13. Smart Grid – would be completely 802.15.4
<March 2008>
Smart Grid – would be completely ?
Use 1W FHSS for part
100kbps FSK = 220kHz BW Range now > 10km
Packet size up to 2047 Bytes Carries real amounts of data
FHSS and Slotted channel contention Robust - survives own success
Power constraints unneeded
Processor constraints unneeded
<George Flammer>, <Silver Springs Network>

14. Smart Grid – synergies <March 2008>
Pulls WAN backhaul and enables huge HAN market
<George Flammer>, <Silver Springs Network>

15. <March 2008>
Thank you
Oh, did we mention that the Smart Grid is a nearly one billion device market that has substantial pull, is recession resistant, will power WAN and Home Area Network technologies…
… and is rolling out now?
<George Flammer>, <Silver Springs Network>