September 2002

Jon Rosdahl, Micro Linear

Slide 1

doc.: IEEE 802.11-02/532r0

Submission

High Throughput Study GroupWG Report and Meeting Slides

Jon Rosdahl

jrosdahl@ieee.org

September 2002

Jon Rosdahl, Micro Linear

Slide 2

doc.: IEEE 802.11-02/532r0

Submission

Report to the 802.11WG

• HT-SG had its Inaugural Meeting where a starting point was begun.

• HT-SG was able to answer the following Questions:– What: Scope – Why: Purpose

September 2002

Jon Rosdahl, Micro Linear

Slide 3

doc.: IEEE 802.11-02/532r0

Submission

Report to the 802.11WG (cont)

• Current Scope of the project:

• To define standardized modifications to the 802.11 MAC and PHY layers that achieve a minimum increase (xx) in throughput as measured at the MAC data SAP.

September 2002

Jon Rosdahl, Micro Linear

Slide 4

doc.: IEEE 802.11-02/532r0

Submission

Report to the 802.11WG (cont)

• Current Purpose of the Project:

• To improve the 802.11 wireless LAN user experience by providing significantly higher throughput for current applications and to enable new applications and market segments.

September 2002

Jon Rosdahl, Micro Linear

Slide 5

doc.: IEEE 802.11-02/532r0

Submission

Objectives for November 2002

• Finalize the wording of the PAR.

• Create the response to 5 Criteria.

• Request that members of the SG come prepared to enjoy the creation of a PAR and the response to 5 Criteria (and the 6th one too)

September 2002

Jon Rosdahl, Micro Linear

Slide 6

doc.: IEEE 802.11-02/532r0

Submission

HT-SG

Welcome to

High Throughput Study Group

Wednesday

September 2002

Jon Rosdahl, Micro Linear

Slide 7

doc.: IEEE 802.11-02/532r0

Submission

Meeting Tone

• PLEASE Bring your Engineer Mentality and Technologist Attitude

• Please keep a Positive Attitude

• Please check your Ego and Politics at the door.

September 2002

Jon Rosdahl, Micro Linear

Slide 8

doc.: IEEE 802.11-02/532r0

Submission

Inaugural Meeting Slides

Inaugural Meeting held Wednesday Sept. 11, 2002 in Monterey, CA.

September 2002

Jon Rosdahl, Micro Linear

Slide 9

doc.: IEEE 802.11-02/532r0

Submission

Confirmation of Secretary

• Garth Hillman has volunteered to be the HT-SG Secretary.

• Others? no

• Affirmed by acclamation

September 2002

Jon Rosdahl, Micro Linear

Slide 10

doc.: IEEE 802.11-02/532r0

Submission

3. Review IEEE/802 & 802.11 Policies and Rules

• Study Group: Everyone Votes.

• All 802 policies apply

• All 802.11 policies apply

• Submissions must meet document format criteria

September 2002

Jon Rosdahl, Micro Linear

Slide 11

doc.: IEEE 802.11-02/532r0

Submission

Agenda Wednesday• 1 Meeting Call to Order • 2 Elect/Confirm Secretary• 3 REVIEW IEEE/802 & 802.11 POLICIES

and RULES• 4 APPROVE/MODIFY AGENDA • 5 Set/Review Objectives• 6 Discuss/Revise PAR and 5 Criteria• 7 Recess for the Day

September 2002

Jon Rosdahl, Micro Linear

Slide 12

doc.: IEEE 802.11-02/532r0

Submission

Agenda Thursday

• 8. Discuss/Revise PAR and 5 Criteria

• 9. Develop plan for future HT SG Work

• 11. Adjourn for the session

September 2002

Jon Rosdahl, Micro Linear

Slide 13

doc.: IEEE 802.11-02/532r0

Submission

Sept. 2002 Objectives

• Generate PAR

• Generate response to LMSC 802 Criteria

September 2002

Jon Rosdahl, Micro Linear

Slide 14

doc.: IEEE 802.11-02/532r0

Submission

Review PAR

• 4. Project Title

• 8. Fill in Projected Completion Date for Submittal to RevCom: (July 2004?)

• 9. Scope of Proposed Project

• 10. Purpose of Proposed Project

September 2002

Jon Rosdahl, Micro Linear

Slide 15

doc.: IEEE 802.11-02/532r0

Submission

Possible Proposed Title

• Amendment to STANDARD [FOR] Information Technology-Telecommunications and information exchange between systems-Local and Metropolitan networks-Specific requirements-Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications:Enhancements for Higher Effective Throughput

September 2002

Jon Rosdahl, Micro Linear

Slide 16

doc.: IEEE 802.11-02/532r0

Submission

Target Schedule for a SG

• Sept. 2002 – 5 Criteria and PAR started

• Nov 2002 – Request for creation of Task Group to be sent to ExCom with 5 Criteria and PAR

September 2002

Jon Rosdahl, Micro Linear

Slide 17

doc.: IEEE 802.11-02/532r0

Submission

Target Schedule (cont.)

• Jan 2003 – Technology solutions presented in earnest – Requirements doc complete.

• Mar 2003 – Technology Solutions presented• May 2003 – Selection of Solution and start writing

Draft• July 2003 – Complete initial draft and send out 1st

WG Letter Ballot. • Sept. 2003 –process comments and send 2nd WG

Letter Ballot

September 2002

Jon Rosdahl, Micro Linear

Slide 18

doc.: IEEE 802.11-02/532r0

Submission

Target Schedule (cont.)

• Nov 2003 – Comment resolution and start recirculation LB

• Jan 2004 – final resolution of comments

• Mar 2004 – Send to Sponsor Ballot

• May 2004 – Resolve comments

• July 2004 – Send to Revcom

September 2002

Jon Rosdahl, Micro Linear

Slide 19

doc.: IEEE 802.11-02/532r0

Submission

Scope for consideration

Solutions in achieving High Throughput

shall be considered which provide enhancement to existing .11 MAC and PHY layers through standardized mechanism or interface.

A view submitted to the Chair Sept.2002

September 2002

Jon Rosdahl, Micro Linear

Slide 20

doc.: IEEE 802.11-02/532r0

Submission

A View on Criteria

• Study group should emphasize high performance (throughput/rate) WLANs in general

• SG should emphasize overall performance• Backwards compatibility is vital• SG should have broad scope and the

authorization to recommend all necessary changes

A view presented Mar 2002

September 2002

Jon Rosdahl, Micro Linear

Slide 21

doc.: IEEE 802.11-02/532r0

Submission

802.11 Five Criteria

1. Broad Market Potential

2. Compatibility

3. Distinct Identity

4. Technical Feasibility

5. Economic Feasibility

6. Interference Considerations (tentative)

September 2002

Jon Rosdahl, Micro Linear

Slide 22

doc.: IEEE 802.11-02/532r0

Submission

Straw Poll

• Would you like to enhance the 11b throughput? 34-23-27

• 11a? 96-0-4

• 11g? 72-8-14

September 2002

Jon Rosdahl, Micro Linear

Slide 23

doc.: IEEE 802.11-02/532r0

Submission

Another Proposed Scope Statement

• To define standardized modifications to the .11MAC and OFDM PHY layers that achieve an increase in throughput measured at the MAC data SAP. 67-8-25

September 2002

Jon Rosdahl, Micro Linear

Slide 24

doc.: IEEE 802.11-02/532r0

Submission

Straw Poll

• Should we consider only existing .11standards as the baseline from which this group operates?

• 6-62-10

September 2002

Jon Rosdahl, Micro Linear

Slide 25

doc.: IEEE 802.11-02/532r0

Submission

Straw Poll

• Quantify Minimum Increase at the MAC SAP Interface in the Scope or not?

• 55-29-15

September 2002

Jon Rosdahl, Micro Linear

Slide 26

doc.: IEEE 802.11-02/532r0

Submission

Update to the Scope Paragraph

• To define standardized modifications to the .11MAC and OFDM PHY layers that achieve a minimum increase (xx) in throughput measured at the MAC data SAP

• 55-29-15

September 2002

Jon Rosdahl, Micro Linear

Slide 27

doc.: IEEE 802.11-02/532r0

Submission

Update to the Scope Paragraph

• To define standardized modifications to the .11 MAC and PHY layers that achieve a minimum increase (xx) in throughput measured at the MAC data SAP

• 66-25-6

September 2002

Jon Rosdahl, Micro Linear

Slide 28

doc.: IEEE 802.11-02/532r0

Submission

Thursday Evening Meeting

Slides for Thursday, Sept. 12, 2002 at Monterey, CA

September 2002

Jon Rosdahl, Micro Linear

Slide 29

doc.: IEEE 802.11-02/532r0

Submission

Meeting Tone

• PLEASE Bring your Engineer Mentality and Technologist Attitude

• Please keep a Positive Attitude

• Please check your Ego and Politics at the door.

September 2002

Jon Rosdahl, Micro Linear

Slide 30

doc.: IEEE 802.11-02/532r0

Submission

Agenda Thursday

• 8. Discuss/Revise PAR and 5 Criteria

• 9. Develop plan for future HT SG Work

• 11. Adjourn for the session

September 2002

Jon Rosdahl, Micro Linear

Slide 31

doc.: IEEE 802.11-02/532r0

Submission

Current Scope Paragraph

• To define standardized modifications to the .11 MAC and PHY layers that achieve a minimum increase (xx) in throughput measured at the MAC data SAP.

September 2002

Jon Rosdahl, Micro Linear

Slide 32

doc.: IEEE 802.11-02/532r0

Submission

Questions to answer on PAR

• 4. Project Title

• 8. Fill in Projected Completion Date for Submittal to RevCom: (July 2004?)

• 9. Scope of Proposed Project

• 10. Purpose of Proposed Project

• 16. Other Details

September 2002

Jon Rosdahl, Micro Linear

Slide 33

doc.: IEEE 802.11-02/532r0

Submission

Criteria

• The current rules have the following 5 Criteria listed.

• See http://ieee802.org/rules.pdf

September 2002

Jon Rosdahl, Micro Linear

Slide 34

doc.: IEEE 802.11-02/532r0

Submission

Criteria 6.1. Broad Market Potential

A standards project authorized by IEEE 802 shall have a broad market potential. Specifically, it shall have the potential for:

a) Broad sets of applicability.

b) Multiple vendors and numerous users.

c) Balanced costs

(LAN versus attached stations).

September 2002

Jon Rosdahl, Micro Linear

Slide 35

doc.: IEEE 802.11-02/532r0

Submission

Criteria6.2 Compatibility

IEEE 802 defines a family of standards. All standards shall be in conformance with the IEEE 802.1 Architecture, Management and Interworking documents as follows: 802. Overview and Architecture, 802.1D, 802.1Q and parts of 802.1f. If any variances in conformance emerge, they shall be thoroughly disclosed and reviewed with 802.

September 2002

Jon Rosdahl, Micro Linear

Slide 36

doc.: IEEE 802.11-02/532r0

Submission

Criteria6.2 Compatibility (cont)

Each standard in the IEEE 802 family of standards shall include a definition of managed objects which are compatible with systems management standards.

September 2002

Jon Rosdahl, Micro Linear

Slide 37

doc.: IEEE 802.11-02/532r0

Submission

Criteria 6.3 Distinct Identity

• Each IEEE 802 standard shall have a distinct identity. To achieve this, each authorized project shall be:a) Substantially different from other IEEE 802 standards.b) One unique solution per problem (not two solutions to a problem).c) Easy for the document reader to select the relevant specification.

September 2002

Jon Rosdahl, Micro Linear

Slide 38

doc.: IEEE 802.11-02/532r0

Submission

Criteria6.4 Technical Feasibility

• For a project to be authorized, it shall be able to show its technical feasibility. At a minimum, the proposed project shall show:a) Demonstrated system feasibility.b) Proven technology, reasonable testing.c) Confidence in reliability.

September 2002

Jon Rosdahl, Micro Linear

Slide 39

doc.: IEEE 802.11-02/532r0

Submission

Criteria6.5 Economic Feasibility

• For a project to be authorized, it shall be able to show economic feasibility (so far as can reasonably be estimated), for its intended applications. At a minimum, the proposed project shall show:a) Known cost factors, reliable data.b) Reasonable cost for performance.c) Consideration of installation costs.

September 2002

Jon Rosdahl, Micro Linear

Slide 40

doc.: IEEE 802.11-02/532r0

Submission

10.Purpose of the Proposed Project

• Ideas from the Group on WHY?– Looking for a Good Technology solution that

has the right balance of Wow and Value.– Market Spaces:

• Wireless LANs in the Home

• Hot Spot Deployment

• Corporate LAN Deployment

– Higher Data Rate – Real Simple (>200 Mbps)

September 2002

Jon Rosdahl, Micro Linear

Slide 41

doc.: IEEE 802.11-02/532r0

Submission

Purpose of the Proposed Project (Cont)

• Remember to think Latterly– Both MAC and PHY – Improve End-to-End

• Make Concert of Changes– Scalability -- Higher Data Rates

• Provide Wireless Support for High Speed Application

• Video – file service – etc.

September 2002

Jon Rosdahl, Micro Linear

Slide 42

doc.: IEEE 802.11-02/532r0

Submission

Purpose of the Proposed Project (Cont)

• High Speed delivery of advanced services to Hand Held Devices

• Video, interactive pictures etc.

• Increase the size of Market via Standardize leading Edge “WOW” solutions.

• Improved Spectrum Efficiency• Extended Range• Provide a Value to the End User

– User Experience

September 2002

Jon Rosdahl, Micro Linear

Slide 43

doc.: IEEE 802.11-02/532r0

Submission

Purpose of the Proposed Project (Cont)

• Keep in Perspective Range vs Rate and the trade offs.

• Smooth Transition from one Technology to another

• Provide to prevent the effective range from being reduced significantly.

• Scalable Solution for Range, Rate, and Power Consumption trade-offs

• Hit Moore’s Law

September 2002

Jon Rosdahl, Micro Linear

Slide 44

doc.: IEEE 802.11-02/532r0

Submission

Area 16: Other Items

• Bits/sec/Hz/user

September 2002

Jon Rosdahl, Micro Linear

Slide 45

doc.: IEEE 802.11-02/532r0

Submission

Purpose (WHY)Initial Words to include

• To make Wireless LANS better than they are right now.

• Higher Throughput to improve the End-User experience.

• Market Spaces including but not limited to: • Wireless LANs in the Home

• Hot Spot Deployment

• Corporate LAN Deployment (75-6-3)

September 2002

Jon Rosdahl, Micro Linear

Slide 46

doc.: IEEE 802.11-02/532r0

Submission

Proposed purpose

To improve the 802.11 wireless LAN user experience by providing significantly higher throughput for Applications including but not limited to those in the Home, Hot-spot and Enterprise Markets.

(65-1-1) (original paragraph)

(65-0-8) (add: including but not limited to)

September 2002

Jon Rosdahl, Micro Linear

Slide 47

doc.: IEEE 802.11-02/532r0

Submission

Final Proposed Purpose.

To improve the 802.11 wireless LAN user experience by providing significantly higher throughput for current applications and to enable new applications and market segments.

39-26-3