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IEEE 802.11 ESS Mesh Study Group Report

Detailed report on the formation of an IEEE 802.11 ESS Mesh Study Group, exploring the need for extended service set mesh with wireless distribution system support, aiming for standardization.

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IEEE 802.11 ESS Mesh Study Group Report

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  1. WNG SC Committee ReportIEEE 802.11, Albuquerque, New Mexico, Nov 10-14, 2003 TK Tan, Philips (Chair) Bruce Kraemer, Intersil (Vice-chair) TK Tan, Philips, Bruce Kraemer, Intersil ,

  2. Agenda Overview Monday Sep 10 4:00 – 6:00 pm Administration/Minutes/Agenda Industry Updates MMAC Umehira, Inoue ESS Mesh Network Interconnection Considerations Aoki ESS Mesh Networking Conner/Ecclesine Monday Nov 10 7:30 – 9:30 pm Radio Regulatory Update Stevenson Open TK Tan, Philips, Bruce Kraemer, Intersil ,

  3. Agenda Overview (cont) Wednesday Nov 12 8:00 – 10:00 am Radio Regulatory Update Stevenson Security Maintenance Chaplin Wireless Performance Predicton (WPP) Berger WPP - Test tools and parameters WPP - The technology developers perspective WPP - Issues of devices and system developers WPP - The challenge faced by end users TK Tan, Philips, Bruce Kraemer, Intersil ,

  4. Agenda Overview (cont) Thursday Nov 13 8:00 – 10:00 am Wireless Interworking WLAN Control WLAN Co-existence of different authentication models WLAN Hotspot Thursday Nov 13 10:30 – 12:30 pm Update on FCC 4.9 Ghz Meeting Ecclesine Requirements for ESS mesh network development Hudak Update on Radio Resource Measurement (Joint session with TGk) Worstell TK Tan, Philips, Bruce Kraemer, Intersil ,

  5. WNG motion #1 Move that WNG request 802.11 Working Group to form a Study Group for IEEE 802.11 ESS Mesh Results: 50/0/9 TK Tan, Philips, Bruce Kraemer, Intersil ,

  6. History of ESS Mesh Discussions in 802.11 WNG • Technical presentations and discussions have taken place at every meeting since March • Candidate PAR and 5 Criteria have been discussed in WNG: • 802.11-03/759r2 and 802.11-03/760r3 • Next logical step is to form a SG to provide the membership with an opportunity to refine the scope and constraints for a mesh TG TK Tan, Philips, Bruce Kraemer, Intersil ,

  7. Scope of Proposed 802.11 ESS Mesh Study Group The proposed study group will investigate the need to extend IEEE 802.11 for providing an Extended Service Set (ESS) Mesh with an 802.11 Wireless Distribution System (WDS) that supports efficient broadcast/multicast and unicast delivery over self-configuring multi-hop topologies. The expected outcome of the SG is a PAR and a 5 Criteria document that will be submitted to the IEEE 802.11 Working Group so that a Task Group can be formed. TK Tan, Philips, Bruce Kraemer, Intersil ,

  8. Motivation for IEEE 802.11 ESS Mesh Standardization • Mesh topologies are applicable to both mobile and fixed-infrastructure environments • Potential benefits: • Extended range and coverage, without requiring additional wires (convenient deployment, cost) • Enhanced redundancy, reliability • Efficient utilization of limited radio channel capacity • Interoperability TK Tan, Philips, Bruce Kraemer, Intersil ,

  9. WNG motion #2 Move that WNG request 802.11 Working Group to form a Study Group for Wireless Performance Prediction (WPP) Results: 36/14/15 TK Tan, Philips, Bruce Kraemer, Intersil ,

  10. Motivations • Currently there is no generally accepted method for predicting or evaluating performance of 802.11 systems • The metrics and methodologies used are inconsistent • Measurement efforts thus provide widely varying results – non uniformity • Need a common set of tests to measure and predict performance of the end device TK Tan, Philips, Bruce Kraemer, Intersil ,

  11. Expectations from the SG • Common metrics and test methodology definition • Usable during development of implementations that adhere to 802.11 standards • Tests that combine the industry best practices that can be used consistently across different devices, while still enabling each device to optimize on the metrics based on its own objectives TK Tan, Philips, Bruce Kraemer, Intersil ,

  12. Differentiation from TGk TK Tan, Philips, Bruce Kraemer, Intersil ,

  13. Conclusion • Industry benefits from a uniform set of wireless performance prediction metrics and tests • Developers, Customers, End Users, Reviewers • Enable Fairness • Provide the uniform set of rules for evaluations • Systematize the functional requirements and comparison criteria for future SGs/TGs in 802.11WG TK Tan, Philips, Bruce Kraemer, Intersil ,

  14. Relevant docs • 11-03-0849-00-0wng-wng_sc_report. WNG Standing Committee Report • 11-03-0629-02-000i-security-maintenance.ppt Security Maintenance • 11-03-0843-00-0wng-wlan-control.ppt • 11-03-0900-00-0wng-wng-minutes-september-2003.doc • 11-03-0827-00-0wng-Co-existence of different authentication models • 11-03-0828-00-0wng-Hotspot-Evolution • 11-03-0881-00-0wng-mmac-updates-november-2003.ppt • 11-03-0867-00-0wng-ess-mesh-network-interconnection-considerations.ppt • 11-03-0912-00-0wng-requirements-ess-mesh-network-development.ppt • 11-03-0933-00-0wng-rf-performance-testing.ppt • 11-03-0931-00-0wng-wpp-simulating-field-performance.ppt • 11-03-0930-00-0wng-wpp-user-experience.ppt • 11-03-0928-00-0wng-wpp-approaches-to-issue.ppt • 11-03-0929-00-0wng-wpp-summary-work-plan-&-proposal.ppt • 11-03-0927-00-0wng-wpp-introduction-&-overview.ppt • 11-03-0960-00-0wng-us-4-9-update-november-2003.ppt • 11-03-0950-00-0wng-need-managed-ieee-802-11-devices.ppt TK Tan, Philips, Bruce Kraemer, Intersil ,

  15. Vancouver Agenda/Objectives • Updates from WIG, ETSI-BRAN. MMAC, radio regulatory • Liaison Updates • Review and discuss WIG #6 activities and presentations • Prepare for IEEE Plenary, March 2004 TK Tan, Philips, Bruce Kraemer, Intersil ,

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