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Doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 1 Coexistence Liaison Report #1 Face-to-Face Meeting –2 days in New Jersey.

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Presentation on theme: "Doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 1 Coexistence Liaison Report #1 Face-to-Face Meeting –2 days in New Jersey."— Presentation transcript:

1 doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 1 Coexistence Liaison Report #1 Face-to-Face Meeting –2 days in New Jersey in June –Co-located with Radio 2 Group –Completed MRD Weekly conference calls Input to the BT SIG Program Managers on FCC NPRM

2 doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 2 Coexistence Liaison Report #1 Bluetooth Coexistence Working Group –Chartered by Bluetooth SIG to address coexistence issues of Bluetooth with other devices operating in the 2.4 GHz ISM unlicensed band –Chaired by Tod Sizer of Lucent –Members include Lucent, Motorola, Ericsson, Toshiba, 3COM

3 doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 3 Coexistence Liaison Report #1 Assumptions Simulations Results Recommendations

4 doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 4 Coexistence Liaison Report #1 Usage Model Assumptions –Environments (lead to Loss Models) –Expected Interfering Systems –Application mix –Traffic Density

5 doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 5 Coexistence Liaison Report #1 Environments –Residential - US –Residential - Europe –Office - cubes –Office - closed –Apartment Building –Airport, Shopping Mall, Factory –Outdoors

6 doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 6 Coexistence Liaison Report #1 General Residential 1 (US) Environment –single family home –2 story –floor height - not specified –2500 square foot –wood frame construction –1/4 acre lot

7 doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 7 Coexistence Liaison Report #1 General Residential 2 (Europe) Environment –single family home –3 story –floor height - not specified –180 square meters –brick walls, reinforced concrete floors –1/10 acre lot

8 doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 8 Coexistence Liaison Report #1 Business Office - open/cubes –5 foot high partitions –partition material - not specified –10 square meter cubicle –infinite extent in two dimensions –adjacent floors –distance between floors - not specified

9 doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 9 Coexistence Liaison Report #1 Business Office - Closed –concrete floors –Plasterboard walls –10 square meter office –infinite extent in two dimensions –adjacent floors –distance between floors - not specified

10 doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 10 Coexistence Liaison Report #1 Apartment Building –Building: 12 meter X 80 meter floor (960 square meters) –Apartment: 100 square meters –Room: 20 square meters –Plasterboard walls between rooms –Brick walls between apartments –Distance between floors - not specified –Reinforced concrete floors

11 doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 11 Coexistence Liaison Report #1 Airport/Shopping Mall/Factory Floor –Single floor –Infinite expanse in two dimensions –Wall material and spacing - not specified –Ceiling height - not specified

12 doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 12 Coexistence Liaison Report #1 Outdoors –Infinite extent in two dimensions –No ceiling, no walls

13 doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 13 Coexistence Liaison Report #1 Expected Interferers –Residential (US & Europe) - Bluetooth (V/D), HomeRF (V/D), 802.11b (D), Microwave Oven, Cordless phones –Business (Closed & Cubical) - Bluetooth (V/D), 802.11b (D), 802.11FH (D) –Apartment - Bluetooth (V/D), DECT (V), 802.11b (D), Microwave Ovens, HomeRF –Airport - Bluetooth (V/D), 802.11b (D), RFID –Outdoors - Bluetooth (V/D), RFID, Fusion Lighting

14 doc.: IEEE 802.15-00/228r0 Submission July 2000 Richard Ditch, MotorolaSlide 14 Coexistence Liaison Report #1 Simulations –Matlab –Time & Frequency simulations - assume a particular time usage (due to specific traffic models) together with frequency hoping scenarios to establish collision rate between Bluetooth and the interfering system –NOT doing Physical Layer, implementation specific models –NOT doing MAC layer simulations

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