Co-existence Beacon Element September 2002 Co-existence Beacon Element A means to address the worst part of the co-existence problem Chris Zegelin, Symbol Technologies

What we know, History There is significant interference today Month 2002 doc.: IEEE 802.11-02/xxxr0 September 2002 What we know, History There is significant interference today More coming The problem is not conducive to automatic detection and mitigation within .11 Too many complexities TGe doesn’t want the problem There are more important issues Most of the problem is with STA’s that have both .11 and BlueTooth in the same box. Chris Zegelin, Symbol Technologies John Doe, His Company

September 2002 What .11 Needs To Do Provide the customer a means to manage the problem. In simple terms that they can understand Give equipment vendors a simple implementation Provide .15 with a clear path to a workable solution Chris Zegelin, Symbol Technologies

September 2002 The Beacon Element Simply indicates to the BSS when to keep quiet and for how long. .15 will own the definition and specification Becomes a .15 recommended practice that the vendors can implement if they want to accommodate this problem. .11 need only specify the beacon element number reserved for this purpose. May not need to be part of the .11 standard Chris Zegelin, Symbol Technologies

September 2002 The Motion To direct the ANA (assigned numbers authority) to reserve a specific element ID for ownership and specification by the .15 working group. Chris Zegelin, Symbol Technologies

What We Learned People just wanted to check this out before a vote September 2002 What We Learned People just wanted to check this out before a vote The original motion was a blank check… needed to be much more specific TGh quiet period element is close enough 802.15 could use this with no action by .11 This could be used by manufactures to ‘solve’ the problem in ‘standard’ way. Chris Zegelin, Symbol Technologies

September 2002 The New Motion To direct the 802.11 WG ANA (assigned numbers authority) to reserve a specific element ID for use by the 802.15 TG2 working group under the rules established for the ANA. This element be called the “802.15 Co-existence Element”. That 802.15 the available document “01000D05P802-15-2_Draft_Recommended_Practice” or subsequent revisions for review and letter ballot approval by both the 802.11 and 802.15 WGs. Moved: 2nd: Chris Zegelin, Symbol Technologies