doc.: IEEE e Submission: NAN Application Description 11 November 2008 RolfeSlide 1 Project: IEEE P Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [NAN Application Description] Date Submitted: [11 November 2008] Source: [Benjamin A. Rolfe] Company [Blind Creek Associates] Address [] Voice:[ ] Re: [] Abstract:Discussion of NAN application characteristics and relates them to MAC Purpose:Contribution to technical requirements definition and discussion for task group 15.4e 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

doc.: IEEE e Submission: NAN Application Description 11 November 2008 RolfeSlide 2 NAN Application Description Neighborhood Area Networks TG4e November 2008 Benjamin A. Rolfe

doc.: IEEE e Submission: NAN Application Description 11 November 2008 RolfeSlide 3 What is NAN? Utility Networks (Smart Grid Networks): Wide Area process control –Bi-directional communication: monitoring and control Heterogeneous Networks Long reach with short range (multi-hop) Large scale networks, Dynamic scalability Private NAN Part: Home-to-Home, Home-to-Grid Connecting devices ON the home Bridge into the home Ad-hoc associations and forwarding Minimal infrastructure dependence –May include infrastructure bridging points Adaptive

doc.: IEEE e Submission: NAN Application Description 11 November 2008 RolfeSlide 4 Utility Networks Architecture Reference: wng0

doc.: IEEE e Submission: NAN Application Description 11 November 2008 RolfeSlide 5 Utility Automation: Business Case Considerations Market multi-billions of devices Multiple market drivers –Environmental, Economic, Political Value brought by enabling –New usage and revenue models Distributed generation, RTP, DR, etc. –Greater energy efficiency –Greater grid reliability –Better operating economics –New market opportunities Risk adverse

doc.: IEEE e Submission: NAN Application Description 11 November 2008 RolfeSlide 6 Deployment Needs Rapid, low cost deployment Diverse deployment scenarios Consistent practices region to region Cost effective integration with utility equipment Adapt to changing requirements (regulatory, technical, operational) Multi-vendor interoperability No customer involvement Long term installation –Long time no touch!

doc.: IEEE e Submission: NAN Application Description 11 November 2008 RolfeSlide 7 Scale to millions of connected nodes –Few to many direct (1 hop) connections (~1 to ~1000) –Many indirect connections (multi-hop) (millions to 100s millions) –Peer-to-Peer, Self-forming and maintaining –Flexible –Path redundancy/diversity Bridges/gateways –Used to access and egress –Widely variable GW per mesh Scalable Network

doc.: IEEE e Submission: NAN Application Description 11 November 2008 RolfeSlide 8 Bi-directional communication –monitoring and control Modest data rates 40Kbps Latency tolerant (10 sec) when bounded –15-20 Hops possible Safety considerations –secure command and control High Reliability –Trade data rate for reliable delivery (eventually) –Positive error detection –Agility and adaptability to conditions Complete ubiquity Performance

doc.: IEEE e Submission: NAN Application Description 11 November 2008 RolfeSlide 9 Hostile RF environments Non-optimal placement –Where it has to be, not where we want it –Outdoors, indoors, basements, etc. Co-existence –Varying interference sources –Transparency (friendly neighbor) Adaptability / Agility

doc.: IEEE e Submission: NAN Application Description 11 November 2008 RolfeSlide 10 Secure Information Exchange Secure from inception Needed at APP layer for application interoperability Link layer (1-hop) MAC layer not enough

doc.: IEEE e Submission: NAN Application Description 11 November 2008 RolfeSlide 11 Key MAC Characteristics Data Characteristics –Modest volume –Deterministic Latency (QoS) Reliability –positive error detection –link quality assessment and reporting Flexibility –(15.4 PHY diversity) Channel utilization (hopping/agility) Low Overhead Cost Considerations

doc.: IEEE e Submission: NAN Application Description 11 November 2008 RolfeSlide 12 Some References wng0-the-smart-grid.ppt wng0-ig-ban-restating-the-requirements.ppt wng0-fitting-smart-grid-applications-and-802-wireless-ecosystem.ppt wng0-utilities-view-of-smart-grid-network-needs.ppt wng0-mac-requirements-for-utility-networks.ppt pg-e-smart-grid-discussion.ppt e-some-mac-requirements-for-neighborhood-area-networks.ppt wireless-neighborhood-area-networks-wnan.ppt utility-view-of-nan-drivers-and-requirements.pdf nist-roles-under-2007-eisa-on-smart-grid-networks.ppt wireless-neighborhood-area-networks-wnan.ppt nan-phy-considerations-for-neighbourhood-area-networking.ppt nan-broad-market-potential-of-the-neighbor-area-network.ppt wireless-neighborhood-area-networks.ppt nan-wnan-recap.ppt nan-summary-of-nan-applications-market-a-need-for-standards.ppt nan-wnan-par.pdf nan-wnan-5c.pdf

doc.: IEEE e Submission: NAN Application Description 11 November 2008 RolfeSlide 13 Thank You for Listening