doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 1 IEEE Wireless Performance Prediction (WPP) - Background & Roadmap Stephen Berger TEM Consulting (512)

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 2 Introduction & Project History

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 3 Sum of Sub-Component Specifications  End-to-End System Performance

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 4 Overview Purpose & Scope of the Project What problem is being solved? Approach to Problem How is the problem being addressed?

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 5 Purpose The performance experienced in real installation environments varies significantly because of a number of complicated, and interrelated factors. Currently there is no generally accepted method for predicting or evaluating this performance. What is needed is a end user, device level, test and analysis method(s) that provides a good degree of confidence in predicting the coverage, throughput and directivity performance of IEEE (and potentially other) wireless devices.

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 6 Proposed Scope ISIS NOT Predicting coverage, throughput, directivity performance, latency, errors Measurements of radio component performance Asynchronous and isochronous channels Regulatory issues Measurement correlation, precision & repeatability Purely theoretical analysis Correlation to differing deployment scenarios Purely conducted tests Identify and comprehend the impact of variables like Antenna gain and pattern, radio specs, environmental and system noise, band crowding Designation of acceptable performance

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 7 WPP Progress and Status Weekly conference calls set up –Thursdays 11:00am East Coast US time –Have had 6 calls to date –42 individuals and 27 organizations participated Web site: grouper.ieee.org/groups/emc/emc –Contributions, Call agendas, …

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 8 WPP Approved As a study project of the IEEE EMC Society in August As a study project of IEEE in November IEEE is the primary sponsor of the project.

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 9 Suggested Roadmap

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 10 Introduction Variables affecting performance What factors affect performance? Interest perspectives What groups will benefit and what are their needs? Work plan What is the timeline and work plan for the project?

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 11 Approach Work plan is following classic scientific problem solving 1.Identify and define the problem. 2.Collect information. 3.Establish criteria. 4.Propose possible solutions 5.Test each solution against the criteria 6.Select the best solution (or maybe the best two or three solutions).

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 12 Variables Affecting Radio RF reactive near-field e.g. antenna loading Environmental changes e.g. temperature Host system e.g. internal EMC, power variation

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 13 Variables Affecting the Transmission RF path loss Multipath Fading Receiver sensitivity Transmit power EM environmental noise Band crowding

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 14 Layer 2 Variables Traffic level Network loading Application Usage context Protocol/host processing

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 15 Channel Models Flat fading (no multipath) Residential Residential / Small Office Typical Office Large Office Large Space (indoors / outdoors)

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 16 Applications Audio/video VoD control channel TV both SDTV & HDTV (Video/Audio) DVD Video Conferencing & Videophone Internet streaming video/audio Internet streaming audio VoIP MP3 audio Content download (camera photos) Internet file transfer ( , web, chat) Local file sharing, printing Interactive gaming (Controller to Console, Console to Display, Console to Internet) Point to Multipoint Terminal emulation

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 17 Interest Communities Standards developers Chip & component manufacturers Technology providers System integrators Test houses System installers / Site designers Service providers Corporate users Home users

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 18 Work Plan / Timeline July 2003Initial presentation to IEEE WNG committee. August 2003Approved as study project by IEEE EMC Society SDCom Aug.-Nov. 2003Conference calls surveying state-of-the-art & preparing for 2 nd WNG presentation. Nov. 2003Committee passes 40 participants, 27 orgs Nov nd Presentation at WNG and request for approval as IEEE study project

doc.: IEEE /0091r1 Submission January 2004 Stephen Berger, TEM ConsultingSlide 19 Work Plan / Timeline Nov.-Dec. 2003Analysis of state-of-the-art Initial definition of tasks and deliverables Jan st direct meeting Formation of task groups Feb.-June 2004Development of study project report. Drafting of PAR & 5CRIT