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Report of 802.11 High Throughput Usage Model Special Committee

This report provides the status, meetings, minutes, and output document of the 802.11 High Throughput Usage Model Special Committee. It includes examples of residential usage models and simulation scenarios. Recommendations and motions are also presented for forming a special committee to maintain and modify the Usage Model document.

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Report of 802.11 High Throughput Usage Model Special Committee

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  1. Report of 802.11 High Throughput Usage Model Special Committee Adrian P Stephens (adrian.p.stephens@intel.com) Chair, Usage Model Special Committee Adrian Stephens, Intel Corporation

  2. Status • Meetings • Minutes in 11-03-354r10 • 11 meetings, 12 hours telecon, 8.5 hours F2F • Output Document • 11-03-355r8 (40 pages) • Status of document • “Not quite complete” Adrian Stephens, Intel Corporation

  3. Usage Model Document • Environments – 41 • Applications – 25 (4 incomplete) • Use Cases – 37 • Usage Models – 10 • Simulation Scenarios – 8 (2 missing) Adrian Stephens, Intel Corporation

  4. Example Usage Model (Residential) • 1 x AP • STA 1: 19.2 Mbps HDTV (A4) , VoD control channel (A2) • STA 3: 24 Mbps HDTV (A4) , VoD control channel (A2) • STA 4: SDTV (A3), internet file transfer (A9), Video gaming, controller to internet (A18), local file transfer A(15), printing (A22) • STA 5 & 6: Video Phone (A23), internet file transfer (A9) • STA 7,8 & 9: VoIP (A9) • STA 10: Internet streaming video (7), MP3 Audio (A12), Video gaming, controller to internet (A18), local file transfer A(15) • STA 11: Video gaming, controller to console (A16) Adrian Stephens, Intel Corporation

  5. Simulation Scenario Methodology • Parameters for Tx power and Rx noise figure are common to all scenarios • One table per device in a scenario, contains: • Name, location, channel model • List of data source descriptions Adrian Stephens, Intel Corporation

  6. Example Simulation Scenario Adrian Stephens, Intel Corporation

  7. Status / Future Work • The document does not yet represent a consensus of the group due to the high rate of changes made in recent weeks • Improved alignment with external comments needs to be considered (e.g. effect of WFA MRD) • Some Applications have unknown traffic patterns • The Simulation Scenarios are incomplete • The Simulation Scenarios are largely untested • There is no error model defined • It may be incomplete with respect to or contradict the functional requirements and selection criteria documents. Adrian Stephens, Intel Corporation

  8. Recommendation • Identify an existing group or form a new group under 802.11n with authority to modify and maintain the Usage Models document throughout the lifetime of 802.11n • 4 Hours of F2F time this meeting (with no competing .11n activities) specifically to address Usage models with the aim of reaching consensus Adrian Stephens, Intel Corporation

  9. Motion • Move that 802.11 TGn form a special committee with responsibility for maintaining and modifying the Usage Model document to be consistent with the Selection Criteria and Functional requirements documents as they are developed, and to resolve issues discovered with the simulation scenarios as they are implemented. Adrian Stephens, Intel Corporation

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