1. IEEE P802.15 Working Group for Wireless Personal Area NetworksTM
<month year>
doc.: IEEE <doc#>
May 2001
IEEE P Working Group for Wireless Personal Area NetworksTM
IEEE
WLAN/WPAN Coexistence Task Group Closing Report
Orlando, FL
Steve Shellhammer, Symbol Technologies
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2. Plans for This Week Confirmation vote on TG2 Editor
May 2001
Plans for This Week
Confirmation vote on TG2 Editor
Review Outline of Recommended Practice
Liaison with Bluetooth SIG Coexistence Working Group (?)
Progress Report from AFH Ad Hoc Committee
Work on a consensus AFH proposal
Vote on consensus AFH proposal
Discuss b TPC and Data Rate Scaling
Agree on a Representative Set of Coexistence Scenarios
TG2 Project Plan Update
Steve Shellhammer, Symbol Technologies

3. May 2001
New TG2 Editor
Due to new commitments at work Dan McGlynn can no longer serve as the TG2 Editor
As a result I have appointed David Cypher as the new TG2 Editor
TG2 voted to reaffirm David Cypher as the TG2 Editor
Passed 6/0/1
Steve Shellhammer, Symbol Technologies

4. May 2001
TG2 Presentations
David Cypher, Baseline Recommended Practice, 01/239r0
K.C. Chen, H. K. Chen, C.C. Chao, Merged IPC and TI Adaptive Frequency Hopping Proposals, 01/246r0
Bijan Treister, AFH Ad Hoc Group Summary, 01/248r0.
Steve Shellhammer, Symbol Technologies

5. May 2001
FCC NPRM
On May 10 the FCC issued a Notice of Proposed Rule Making,
The NPRM addresses several issues
DSSS Processing Gain
Digital Modulation
Adaptive Frequency Hopping
TG2 review the NPRM on the issue of Adaptive Frequency Hopping
Steve Shellhammer, Symbol Technologies

6. FCC NPRM 01-158 Paragraph a.1.iii
May 2001
FCC NPRM
Paragraph a.1.iii
Frequency hopping systems in the MHz band shall use at least 75 non-overlapping channels, except that as few as 15 non-overlapping channels may be used for systems that intelligently modify their hopsets in accordance with Section (g). Hopsets modified in this manner must be re-determined at least once every 30 seconds. The average time of occupancy on any channel shall not be greater than 0.4 seconds within a period of 0.4 seconds multiplied by the number of hopping channels employed.
Steve Shellhammer, Symbol Technologies

7. May 2001
FCC NPRM
Paragraph b.1
For frequency hopping systems in the MHz band employing at least 75 hopping channels, and all frequency hopping systems in the MHz band: 1 Watt. For all other frequency hopping systems in the band: Watt
Steve Shellhammer, Symbol Technologies

8. May 2001
FCC NPRM AFH Summary
Minimum of 15 non-overlapping channels for systems that intelligently modify their hopsets.
Hopsets must be re-determined at least every 30 seconds.
Average occupancy must not exceed 400 ms in N*400 ms (where N is number of hopping channels).
Maximum 125 mwatts if using < 75 hopping channels.
Steve Shellhammer, Symbol Technologies

9. May 2001
IEEE /095r2
Vic Hayes has recommended adding a Sixth Requirement to the Five Criteria Document
Regulatory Compliance
Spectrum Sharing Feasibility
Steve Shellhammer, Symbol Technologies

10. May 2001
Vic’s Proposed Text
6 Regulatory Conformity and Spectrum Sharing Feasibility For a wireless project to be authorized, it shall address regulatory conformity and show spectrum sharing feasibility for its intended applications. At a minimum, the proposed project shall address:
a) Conformance to existing regulations for proposed regulatory domains: ITU, regional, national, etc.
b) Feasibility of coexistence with other IEEE 802 standards and projects, and other devices that share the spectrum
c) Confidence that ongoing regulatory activity (e.g. FCC Notice Of Inquiry, Notice of Proposed Rule Making) will allow deployment of devices implementing the proposed standard
Steve Shellhammer, Symbol Technologies

11. May 2001
TG2’s Version
Regulatory Conformity and Coexistence with other Wireless IEEE 802 Standards
For a wireless project to be authorized, the Project Authorization Request (PAR) shall require regulatory conformity and coexistence with other Wireless IEEE 802 Standards. At a minimum, the proposed project shall require:
(a) Conformance to existing regulations for proposed regulatory domains (e.g. ITU, regional, national) or have indications that ongoing regulatory activity (e.g. FCC Notice Of Inquiry, Notice of Proposed Rule Making) will allow deployment of devices implementing the proposed standard.
(b) Coexistence with other Wireless IEEE 802 standards and projects.
Steve Shellhammer, Symbol Technologies

12. May 2001
TPC/DRS Proposal
At the March meeting TG2 approved a non-collaborative coexistence mechanism for Transmit Power Control and Data Rate Scaling in b
Matthew Shoemake, who submitted the proposal, is too busy to work on the proposal at this point in time.
802.11h is adding TPC to
Steve Shellhammer, Symbol Technologies

13. Motions on TPC/DRS Proposal
May 2001
Motions on TPC/DRS Proposal
Motion to drop the TPC mechanism proposal
Passed 4/0/1
Straw poll to see if there is merit in working on Data Rate Scaling (if we can find resources to work on it)
Passed 13/0/1
Action Item to recruit people to work on Data Rate Scaling
Steve Shellhammer, Symbol Technologies

14. IEEE 802.15.2 Project Plan S. Shellhammer, TG2 Project Plan, 00/089r2.
May 2001
IEEE Project Plan
S. Shellhammer, TG2 Project Plan, 00/089r2.
Steve Shellhammer, Symbol Technologies

15. Adaptive Frequency Hopping
May 2001
Adaptive Frequency Hopping
B. Treister, H. B. Gan, K. C. Chen, H. K. Chen, A. Batra, O. Eliezer, Adaptive Frequency Hopping: A Non-Collaborative Coexistence Mechanism, 01/252r0.
TG2 voted to adopt this proposal
Passed 10/0/1
Steve Shellhammer, Symbol Technologies

16. Representative Set of Interference Scenarios
May 2001
Representative Set of Interference Scenarios
TG2 discussed which interference scenarios to simulate and include in the Recommended Practice.
Nada Golmie will summarize the agreed upon scenarios and post to the reflector.
Steve Shellhammer, Symbol Technologies