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Doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/720r0 May 2011 Bruce Kraemer, MarvellSlide 1 Smart Grid ad hoc – May 2011 Date: 09 May 2011.

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Presentation on theme: "Doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/720r0 May 2011 Bruce Kraemer, MarvellSlide 1 Smart Grid ad hoc – May 2011 Date: 09 May 2011."— Presentation transcript:

1 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/720r0 May 2011 Bruce Kraemer, MarvellSlide 1 Smart Grid ad hoc – May 2011 Date: 09 May 2011 Abstract: 1 – SGIP NIST PAP2 NameCompanyAddressPhoneemail Bruce KraemerMarvell5488 Marvell Lane, Santa Clara, CA, 95054 +1-321-751-3988bkraemer@marvell.com

2 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 May 2011 Bruce Kraemer, MarvellSlide 2

3 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 May 2011 Bruce Kraemer, MarvellSlide 3 Abstract: This work area investigates the strengths, weaknesses, capabilities, and constraints of existing and emerging standards-based physical media for wireless communications. The approach is to work with the appropriate standard development organizations (SDOs) to determine the characteristics of each technology for Smart Grid application areas and types. Results are used to assess the appropriateness of wireless communications technologies for meeting Smart Grid applications. http://collaborate.nist.gov/twiki-sggrid/bin/view/SmartGrid/PAP02Wireless

4 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 May 2011 Bruce Kraemer, MarvellSlide 4 PAP2 Links PAP02: Wireless Communications for the Smart Grid (6.1.5) Contents of this topicUseful Hot LinksAbstract:Abstract: Status of PAP02: Wireless Communications for the Smart Grid (6.1.5) Task Details: Description: Objectives: Why: Where: Who: 2011 Upcoming Meetings –May 10 - Teleconference 2:30pm ETMay 10 - Teleconference 2:30pm ET –May 24, June 7, June 21, July 5, July 19, Aug 2, Aug 16, Aug 30 - Teleconference 2:00pm ETMay 24, June 7, June 21, July 5, July 19, Aug 2, Aug 16, Aug 30 - Teleconference 2:00pm ET –July 12-14, 2011 - SGIP Summer Meeting, Montreal CanadaJuly 12-14, 2011 - SGIP Summer Meeting, Montreal Canada

5 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 May 2011 Bruce Kraemer, MarvellSlide 5 Subscription to NIST PAP#2 To see the complete NIST Priority Action Plan list go here: http://collaborate.nist.gov/twiki- sggrid/bin/view/SmartGrid/PriorityActionPlans#Individual_ PAP_Listshttp://collaborate.nist.gov/twiki- sggrid/bin/view/SmartGrid/PriorityActionPlans#Individual_ PAP_Lists To subscribe to PAP#2 mailing list go here: http://www.smartgridlistserv.org/cgi/wa.exe?SUBED1=SGIP -PAP02WG&A=1http://www.smartgridlistserv.org/cgi/wa.exe?SUBED1=SGIP -PAP02WG&A=1

6 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 May 2011 Bruce Kraemer, MarvellSlide 6 OpenSG SharePoint Documents http://osgug.ucaiug.org/UtiliComm/Shared%20Docum ents/Forms/AllItems.aspxhttp://osgug.ucaiug.org/UtiliComm/Shared%20Docum ents/Forms/AllItems.aspx

7 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 May 2011 Bruce Kraemer, MarvellSlide 7 NIST Timeline (Anticipated) Release of draft 0.6 Draft 0.5 July 28, 2010 Call for Input to Section 6 August 4, 2010 End of draft 0.5 review period September 15, 2010 December 3, 2010 November 4, 2010 OpenSG + PAP2 meeting, Fort Lauderdale SGIP face-to-face, St Louis Tentative PAP 2 meeting September 16, 2010 End of draft 0.6 review period September 30, 2010 October 29, 2010 Release of Version 1 January 15, 2011 Extended edit period Release of Version 2 ? June/July 2011 ? Continuation of project to extend findings August, 2009Project initiation

8 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 May 2011 Bruce Kraemer, MarvellSlide 8 PAP#2 Version 1 Guideline for Assessing Wireless Standards for Smart Grid Applications Version 1.0 released Jan 13, 2011 http://collaborate.nist.gov/twiki- sggrid/pub/SmartGrid/PAP02Objective3/NIST_PAP2_Guid elines_for_Assessing_Wireless_Standards_for_Smart_Grid_ Applications_1.0.pdfhttp://collaborate.nist.gov/twiki- sggrid/pub/SmartGrid/PAP02Objective3/NIST_PAP2_Guid elines_for_Assessing_Wireless_Standards_for_Smart_Grid_ Applications_1.0.pdf

9 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 May 2011 Bruce Kraemer, MarvellSlide 9 Priority Action Plan for Wireless communications (PAP#2) Activity Summary Calls every two weeks – details on NIST Twiki Version 1 paper approved by SGIP board Procedures approved Current primary task is to qualify a propagation model that can be used for metering applications This task will extend to at least thru May 10th Next proposed task will be to re-work Section 4 - on the Matrix material

10 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 PAP#2 Procedures approved 14 voters, 12 yes, 0 no, 0 abs, 2 dnv May 2011 Bruce Kraemer, MarvellSlide 10 http://collaborate.nist.gov/twiki-sggrid/bin/view/SmartGrid/PAP02Wireless

11 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 May 2011 Bruce Kraemer, MarvellSlide 11 Next PAP 2 meetings Next face-to-face meeting –SGIP meeting July 12-14, Montreal Canada –Logistics available here: http://collaborate.nist.gov/twiki-sggrid/bin/view/SmartGrid/SGIPCalendar PAP 2 conference call schedule

12 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 2011 NIST PAP2 Meeting History May 2011 Bruce Kraemer, MarvellSlide 12 Date & TimeAgenda & Slides PresentedApproved Meeting Minutes 4/26/11 2:00PM ETDownloadDownload (Unapproved) 4/12/11 2:30PM ETDownload 3/29/11 6:00PM ETDownloadDownload, Rural Area Propagation Analysis, SpreadsheetRural Area Propagation Analysis Spreadsheet Download 3/10/11 8:00AM PTDownload 2/25/11 3:00PM ETDownloadDownload, PAP02 Proposed Operating ProceduresPAP02 Proposed Operating Procedures Download 2/11/11 1:00PM ETDownload http://collaborate.nist.gov/twiki-sggrid/bin/view/SmartGrid/PAP02Wireless

13 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 May 2011 Bruce Kraemer, MarvellSlide 13

14 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 Primary PAP2 Work Items for past several weeks Terrain & Clutter Propagation loss models Characterization of deployment categories Rural (<1/person or household/sq mi …… Very Dense >10,000 people or households/sq mi May 2011 Bruce Kraemer, MarvellSlide 14

15 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 NIST PAP#2 Agenda for May 10, 2011 1.Review & Approve Today’s Agenda 2.Approve Prior Meeting Minutes 3.Operating Procedures Ballot Results 4.Current Tasks –Framework Proposal to Move Forward (Cunningham) –Updates to Section 4 Matrix (Kraemer) 5.Meeting announcements 6.New business May 2011 Bruce Kraemer, MarvellSlide 15

16 doc.: IEEE 802.11-11/0506r2 Submission Update on Propagation Models May 10, 2011 Prepared by Doug Gray Consultant to WiMAX Forum

17 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 Outline Update on Erceg-SUI model 802.11ah work Closed form expression for atmospheric absorption 17

18 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 Modified Erceg–SUI Model Goal: Extend model to cover broader frequency range –Original: 1800 to 2700 MHz based on measurements at 1900/2000 MHz –Objective is to cover 1000 MHz to 4000 MHz Approach: Devise or modify a term to achieve a better fit to diffraction/foliage frequency dependence –Need up to 5 dB per octave for hilly terrain and foliage at low BS antenna heights –Current formulation provides 1.8 dB per octave (2000 MHz as basis) 18

19 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 Proposed Modification to Erceg–SUI Model Original formulation: –L = -27.56 +20LOG(d 0 ) + 20LOG(f)+10(a-bh b +c/h b )LOG(d/ d 0 ) + 6 LOG(f/2000) - XLOG(h r /2); f in MHz, d 0 in m, h b is BS antenna height, h r is SS antenna height For Type A: a = 4.6, b = 0.0075, c = 12.6, X = 10.8 For Type B: a = 4.0, b = 0.0065, c = 17.1, X = 10.8 For Type C: a = 3.6, b = 0.0050, c = 20, X = 20 Proposed modification: –L = -27.56 +20LOG(d 0 ) + 20LOG(f)+10(a-bh b +c/h b )LOG(d/ d 0 ) + 6 (1+ ak/h b )LOG(f/2000) - XLOG(hr/2); k = 4 19 Freq Dependency in dB per Octave hbType AType BType C 802.222.172.13 502.472.382.33 203.473.253.11 105.134.704.41 Type A Terrain: Hilly & moderate to heavy tree density Type B Terrain: Hilly & light tree density or Flat & moderate to heavy tree density Type C Terrain: Flat & light tree density

20 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 Excess Loss Frequency Dependence 20 BS at 10 m, SS at 2 m Excess loss for 2.4 km path length Foliage depth: 50 meters Obstruction height: 2 meters Diffraction Model: ~3 dB/octave Foliage Model: 2.9 to 3.5 dB/octave Original Erceg-SUI Modified Erceg-SUI k=4

21 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 Atmospheric Absorption 21 A dry air = [0.00719 + 6.09/(f 2 +0.227) +4.81/((f-57) 2 +1.5)] f 2 /1000 dB/km A water = [0.050 + 0.0021 ρ + 3.6/((f-22.2) 2 + 8.5) + 10.6/((f-183.3) 2 +9.0) + 8.9/((f-325.4) 2 +26.3)] f 2 ρ 10 -4 dB/km –Where f is in GHz and ρ = water vapor density in g/m 3 –Plotted for ρ = 31.8 g/m 3 (100% humidity at 30 o C Source: ITU-R Rec. 676-1 (1990- 1992)

22 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 Models vs. Smart Grid Requirements 22

23 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 Going Forward Modified Erceg-SUI Model is a good path loss model for suburban and most rural environments of interest covering 1000 to 4000 MHz with low to high BS antenna heights Model can also be applied to urban environments with BS antenna height at or above average rooftop heights –Confirmed by comparing to Hata and COST231 models 802.11ah work may provide a good model for <1000 MHz –Need solution for lower BS antenna heights (7-10 m) in rural with varied terrain and foliage characteristics May still have to treat “extreme” situations on a case by case basis –Use PtP models with link-specific GIS data – analyze each end-point – plus losses for below grade, enclosed meters, etc –Use free space loss and add excess loss for “average” foliage, terrain, or bldg clutter for general purpose wide area coverage Updated spread-sheet of propagation models –No major changes: some corrections & added place-holder for 11ah work 23

24 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 Extended Work Plan Proposal May 2011 Bruce Kraemer, MarvellSlide 24

25 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 May 2011 Bruce Kraemer, MarvellSlide 25 Section 4 - Deliverables Paper & Matrix 1.Identify and fully define all necessary terminology (mesh, etc.) 2.Come up with sane metric definitions for Section 4 3.Come up with guidelines for filling out the wireless technologies matrix to make sure entries are comparable across technologies –This includes a selection of high priority, fully described “operating points” representing deployment scenarios 4.Come up with dates for submissions for column entries for the matrix and appoint coordinators for each technology represented in the matrix 5.Submit results to the PAP2 reflector and announce a comment period 6.Directly solicit SDO participation and schedule SDO calls to discuss submissions and comments on all of the above 7.Discuss & adjust the deliverables content using OpenSG as the venue and a proxy for the utility industry

26 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 May 2011 Bruce Kraemer, MarvellSlide 26 References Previous major submission package to NIST Doc 1396 https://mentor.ieee.org/802.11/dcn/10/11-10-1396-03- 0000-smart-grid-summary-input-to-pap-2-report-nov- 2010.ppthttps://mentor.ieee.org/802.11/dcn/10/11-10-1396-03- 0000-smart-grid-summary-input-to-pap-2-report-nov- 2010.ppt And therein:

27 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 Previous submissions to NIST PAP#2 https://mentor.ieee.org/802.11/dcn/10/11-10-1133-01-0000-nist-pap-2-report-r5- consolidated-change-suggestions.ppthttps://mentor.ieee.org/802.11/dcn/10/11-10-1133-01-0000-nist-pap-2-report-r5- consolidated-change-suggestions.ppt https://mentor.ieee.org/802.11/dcn/10/11-10-1209-00-0000-comment-set-1-on-pap-2- report-r6.dochttps://mentor.ieee.org/802.11/dcn/10/11-10-1209-00-0000-comment-set-1-on-pap-2- report-r6.doc https://mentor.ieee.org/802.11/dcn/10/11-10-1210-01-0000-comment-set-2-on-pap-2- report-r6.ppthttps://mentor.ieee.org/802.11/dcn/10/11-10-1210-01-0000-comment-set-2-on-pap-2- report-r6.ppt https://mentor.ieee.org/802.11/dcn/10/11-10-1396-03-0000-smart-grid-summary- input-to-pap-2-report-nov-2010.ppthttps://mentor.ieee.org/802.11/dcn/10/11-10-1396-03-0000-smart-grid-summary- input-to-pap-2-report-nov-2010.ppt May 2011 Bruce Kraemer, MarvellSlide 27

28 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 Revision of Section 4 in PAP2 During the May 10 th call I would like to begin discussion on revisions to Section 4 – Wireless Technology of the NIST_PAP2_Guidelines_for_Assessing_Wireless_Standards_for_Smart_Grid_Applications_1.0.pdf. NIST_PAP2_Guidelines_for_Assessing_Wireless_Standards_for_Smart_Grid_Applications_1.0.pd Introduction: Prior to the release of Guideline version 1, the IEEE 802 Smart Grid ad hoc generated a set of change recommendations for report Section 4 – Wireless Technology and an associated data collection matrix structure. The intent was to improve the technical accuracy of the Section 4 text and thereby to make it more useful to the Smart Grid community when considering or comparing wireless technology deployment options. The complete set of suggestions can be found at: https://mentor.ieee.org/802.11/dcn/10/11-10-1396-03-0000-smart-grid-summary-input-to-pap-2-report-nov- 2010.ppthttps://mentor.ieee.org/802.11/dcn/10/11-10-1396-03-0000-smart-grid-summary-input-to-pap-2-report-nov- 2010.ppt and embedded in the document was a revised matrix under the name “V6-r1”. The proposed changes were not integrated into Guideline version 1 but it was agreed that they should be further considered as part of the process to produce Guideline version 2. I submit this material with the understanding it serves as a starting point for Section 4 revisions that will be more fully reviewed, rewritten and approved by the PAP2 membership before inclusion in Guideline version 2. It should also be noted that some data collected from SDOs will need to be re-collected when using the revised descriptions and definitions in Section 4. May 2011 Bruce Kraemer, MarvellSlide 28

29 doc.: IEEE 802.11-11/0506r2 Submission Doc.: IEEE 802.11-11/0720r0 May 2011 Bruce Kraemer, MarvellSlide 29

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