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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
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