March 2001 Steve Shellhammer, Symbol Technologies Slide 1 doc.: IEEE 802.15- 01/175r1 Submiss ion IEEE P802.15 Working Group for Wireless Personal Area Networks TM Coexistence Task Group Closing Report Hilton Head Island, SC
IEEE P802.15 Working Group for Wireless Personal Area Networks TM
Feb 04, 2016
IEEE P802.15 Working Group for Wireless Personal Area Networks TM. Coexistence Task Group Closing Report Hilton Head Island, SC. Summary of Monterey (January) Meeting. Heard the remaining Coexistence Mechanism Submissions (Some were presented in November 2000) - PowerPoint PPT Presentation
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March 2001
Steve Shellhammer, Symbol TechnologiesSlide 1
doc.: IEEE 802.15-01/175r1
Submission
IEEE P802.15 Working Group for Wireless Personal Area NetworksTM
Coexistence Task Group Closing Report
Hilton Head Island, SC
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 2
doc.: IEEE 802.15-01/175r1
Submission
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 5GHz Study Group to discuss formation of an 802 Coexistence Study Group.
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 3
doc.: IEEE 802.15-01/175r1
Submission
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
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 4
doc.: IEEE 802.15-01/175r1
Submission
Coexistence Mechanism Summary
• After Monterey meeting the TG2 Chair send a letter to all submitters requesting additional information– IEEE 802.15-01/093r0
• A summary document on the Coexistence Mechanisms was produced and will be updated this week– IEEE 802.15-01/078r0
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 5
doc.: IEEE 802.15-01/175r1
Submission
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
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 6
doc.: IEEE 802.15-01/175r1
Submission
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 TG2 and to prepare questions.
• Room 804
• Time 6:30
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 7
doc.: IEEE 802.15-01/175r1
Submission
Presentation Summary• T. Sizer, Bluetooth SIG Coexistence
Working Group Liaison Report, 01/158r0.
• J. Lansford and S. Shellhammer, Collaborative Coexistence Mechanism Submission: Mobilian’s META and Symbol’s TDMA, 01/164r0.
• J. Liang, Proposal for a Collaborative BT and 802.11b MAC Mechanism for Enhanced Coexistence, 01/080r1
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 8
doc.: IEEE 802.15-01/175r1
Submission
Presentation Summary
• R. Van Dyck and A. Soltanian, 802.11b Deterministic Frequency Nulling to Mitigate Bluetooth Interference, 01/079r1.
• H. Gan, Adaptive Frequency Hopping, 00/367r1.
• J. Liang, Proposal for a Non-Collaborative BT and 802.11b MAC Mechanism for Enhanced Coexistence, 01/026r1.
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 9
doc.: IEEE 802.15-01/175r1
Submission
Presentation Summary
• K. C. Chen and H. K. Chen and C. C. Chao, “Selective Hopping for Hit Avoidance, 01/057r2
• N. Golmie, Interference Aware Bluetooth Scheduling Techniques, 01/143r0
• O. Eliezer and D. Michael, Adaptive Frequency Hopping for FHSS Systems, 01/169r0
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 10
doc.: IEEE 802.15-01/175r1
Submission
Presentation Summary
• A. Batra, An Intelligent Frequency Hopping Scheme for Improved Bluetooth Throughput in an Interference-Limited Environment, 01/082r1.
• The Task Group updated the Coexistence Mechanism Summary Matrix, 01/078r2
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 11
doc.: IEEE 802.15-01/175r1
Submission
Vote - Collaborative
• Task Group 2 selected the Mobilian/Symbol/NIST Collaborative Coexistence Proposal
• First Vote– Yes: 10– No: 5– Abstain: 2– Approval Rate 67%
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 12
doc.: IEEE 802.15-01/175r1
Submission
Vote - Collaborative
• Second Vote– Yes: 21– No: 6– Abstain: 4– Approval Rate 78%– Passed
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 13
doc.: IEEE 802.15-01/175r1
Submission
Discussion with FCC• TG2 met with Julius Knapp of the FCC• There were two presentations
– N. Golmie, Discussion with FCC, 01/144r0– O. Eliezer, Band Usage Evaluation and a
Derived Proposed Regulatory Approach for Unlicensed Bands , 01/170r0
• TG2 will be submitting a question to the FCC regarding interpretation of the current rules.
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 14
doc.: IEEE 802.15-01/175r1
Submission
Meeting with IEEE EMC Society
• TG2 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, 01/168r0
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 15
doc.: IEEE 802.15-01/175r1
Submission
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
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 16
doc.: IEEE 802.15-01/175r1
Submission
• 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
Vote - Non-Collaborative
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 17
doc.: IEEE 802.15-01/175r1
Submission
• Confirmation vote on three Non-Collaborative Coexistence Mechanism– Scheduling: 10/0/3 Passed– TPC/RS: 4/0/10 Passed– AFH: See Motion
Vote - Non-Collaborative
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 18
doc.: IEEE 802.15-01/175r1
Submission
Motion to Delay AFH Vote till May
• Vote– Yes 9– No 1– Abstain 8– Passed
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 19
doc.: IEEE 802.15-01/175r1
Submission
Ad-Hoc Committee
• Formed an Ad-Hoc Committee on Adaptive Frequency Hopping
• Hold regular conference calls. To be announced on TG2 email reflector.
• Work to combine the four AFH proposals
• Present at the next meeting in Orlando.
• Nada Golmie to act as Facilitator.
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 20
doc.: IEEE 802.15-01/175r1
Submission
Submissions• S. Shellhammer, SCORT - An Alternative
to the Bluetooth SCO Link for operation in an Interference Environment, 01/145r1.
• V. Mitter, Empirical Study for IEEE 802.11b WLAN and Bluetooth Coexistence in UL Band, 01/148r0
• V. Oleynik, An approach to the problem of optimizing channel parameters, IEEE 802.11-01/152r0
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 21
doc.: IEEE 802.15-01/175r1
Submission
Request for Model from TG3• S. Shellhammer, Request for TG3 PHY
and MAC Models for Incorporation into TG2 Coexistence Model, 01/173r0.
• TG3 to supply PHY and MAC model of TG3 proposed standard to TG2.
• TG2 will incorporate the TG3 models into the Coexistence Model and run simulations to investigate interference effects.
March 2001
Steve Shellhammer, Symbol TechnologiesSlide 22
doc.: IEEE 802.15-01/175r1
Submission
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 TG2 Project Plan
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