March 2001 doc IEEE 802 15 01175 r

March 2001 doc. : IEEE 802. 15 -01/175 r 1 IEEE P 802. 15 Working Group for Wireless Personal Area Networks. TM Coexistence Task Group Closing Report Hilton Head Island, SC Submission 1 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Summary of Monterey (January) Meeting • Heard the remaining Coexistence Mechanism Submissions (Some were presented in November 2000) • Several presentations on the Coexistence Model • Held a joint meeting with 802. 11 5 GHz Study Group to discuss formation of an 802 Coexistence Study Group. Submission 2 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Coexistence Mechanism Summary • Two Collocated Collaborative submissions – Originally three, however two combined • One Non-Collocated Collaborative submission • Seven Non-Collaborative submissions – Originally eight but one dropped Submission 3 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Coexistence Mechanism Summary • After Monterey meeting the TG 2 Chair send a letter to all submitters requesting additional information – IEEE 802. 15 -01/093 r 0 • A summary document on the Coexistence Mechanisms was produced and will be updated this week – IEEE 802. 15 -01/078 r 0 Submission 4 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Plans for This Week • Liaison with Bluetooth SIG Coexistence Working Group • Updates on Coexistence Mechanism Submissions • Evaluation of Coexistence Mechanisms • Vote on Coexistence Mechanisms • Meeting with FCC Representative • Meeting with IEEE EMC Society • Coexistence Modeling Presentations • SCORT - A proposal for a more robust voice link in Bluetooth Submission 5 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Preparation for FCC Meeting • In preparation for FCC meeting on Wednesday some of us will be meeting tonight (Monday) to prepare a presentation to give the FCC background on TG 2 and to prepare questions. • Room 804 • Time 6: 30 Submission 6 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Presentation Summary • T. Sizer, Bluetooth SIG Coexistence Working Group Liaison Report, 01/158 r 0. • J. Lansford and S. Shellhammer, Collaborative Coexistence Mechanism Submission: Mobilian’s META and Symbol’s TDMA, 01/164 r 0. • J. Liang, Proposal for a Collaborative BT and 802. 11 b MAC Mechanism for Enhanced Coexistence, 01/080 r 1 Submission 7 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Presentation Summary • R. Van Dyck and A. Soltanian, 802. 11 b Deterministic Frequency Nulling to Mitigate Bluetooth Interference, 01/079 r 1. • H. Gan, Adaptive Frequency Hopping, 00/367 r 1. • J. Liang, Proposal for a Non-Collaborative BT and 802. 11 b MAC Mechanism for Enhanced Coexistence, 01/026 r 1. Submission 8 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Presentation Summary • K. C. Chen and H. K. Chen and C. C. Chao, “Selective Hopping for Hit Avoidance, 01/057 r 2 • N. Golmie, Interference Aware Bluetooth Scheduling Techniques, 01/143 r 0 • O. Eliezer and D. Michael, Adaptive Frequency Hopping for FHSS Systems, 01/169 r 0 Submission 9 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Presentation Summary • A. Batra, An Intelligent Frequency Hopping Scheme for Improved Bluetooth Throughput in an Interference-Limited Environment, 01/082 r 1. • The Task Group updated the Coexistence Mechanism Summary Matrix, 01/078 r 2 Submission 10 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Vote - Collaborative • Task Group 2 selected the Mobilian/Symbol/NIST Collaborative Coexistence Proposal • First Vote – Yes: 10 – No: 5 – Abstain: 2 – Approval Rate 67% Submission 11 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Vote - Collaborative • Second Vote – Yes: 21 – No: 6 – Abstain: 4 – Approval Rate 78% – Passed Submission 12 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Discussion with FCC • TG 2 met with Julius Knapp of the FCC • There were two presentations – N. Golmie, Discussion with FCC, 01/144 r 0 – O. Eliezer, Band Usage Evaluation and a Derived Proposed Regulatory Approach for Unlicensed Bands , 01/170 r 0 • TG 2 will be submitting a question to the FCC regarding interpretation of the current rules. Submission 13 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Meeting with IEEE EMC Society • TG 2 held an introductory meeting with members of the IEEE EMC Standards Committee. There was a presentation giving an overview of the EMC Standards Committee • S. Berger, IEEE EMC Society Standards Development Committee, 01/168 r 0 Submission 14 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Vote - Non-Collaborative • The seven Non-Collaborative Coexistence Mechanisms have been merged into three submissions – Adaptive Frequency Hopping (AFH) – Transmit Power Control (TPC) and Rate Scaling – Scheduling Submission 15 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Vote - Non-Collaborative • We voted on each submission giving a score of 1 to 10 on each. • The average scores were – AFH: 7. 43 – TPC/RS: 7. 5 – Scheduling: 7. 875 Submission 16 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Vote - Non-Collaborative • Confirmation vote on three Non. Collaborative Coexistence Mechanism – Scheduling: 10/0/3 Passed – TPC/RS: 4/0/10 Passed – AFH: See Motion Submission 17 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Motion to Delay AFH Vote till May • Vote – Yes – No – Abstain – Passed Submission 9 1 8 18 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Ad-Hoc Committee • Formed an Ad-Hoc Committee on Adaptive Frequency Hopping • Hold regular conference calls. To be announced on TG 2 email reflector. • Work to combine the four AFH proposals • Present at the next meeting in Orlando. • Nada Golmie to act as Facilitator. Submission 19 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Submissions • S. Shellhammer, SCORT - An Alternative to the Bluetooth SCO Link for operation in an Interference Environment, 01/145 r 1. • V. Mitter, Empirical Study for IEEE 802. 11 b WLAN and Bluetooth Coexistence in UL Band, 01/148 r 0 • V. Oleynik, An approach to the problem of optimizing channel parameters, IEEE 802. 11 -01/152 r 0 Submission 20 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Request for Model from TG 3 • S. Shellhammer, Request for TG 3 PHY and MAC Models for Incorporation into TG 2 Coexistence Model, 01/173 r 0. • TG 3 to supply PHY and MAC model of TG 3 proposed standard to TG 2. • TG 2 will incorporate the TG 3 models into the Coexistence Model and run simulations to investigate interference effects. Submission 21 Steve Shellhammer, Symbol Technologies

March 2001 doc. : IEEE 802. 15 -01/175 r 1 Objectives for Orlando (May) • Hear submission on combined Adaptive Frequency Hopping submission. • Vote on AFH submission. • Updates of Coexistence Modeling. • Review Outline of Draft Standard. • Review and Edit Clauses of the Draft Standard. • Update TG 2 Project Plan Submission 22 Steve Shellhammer, Symbol Technologies