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Doc.: IEEE 802.11-03/782r0 September 2003 Peter Ecclesine, Cisco SystemsSlide 1 802-11 Network Neighbors Peter Ecclesine, Cisco Systems.

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Presentation on theme: "Doc.: IEEE 802.11-03/782r0 September 2003 Peter Ecclesine, Cisco SystemsSlide 1 802-11 Network Neighbors Peter Ecclesine, Cisco Systems."— Presentation transcript:

1 doc.: IEEE 802.11-03/782r0 September 2003 Peter Ecclesine, Cisco SystemsSlide 1 802-11 Network Neighbors Peter Ecclesine, Cisco Systems

2 doc.: IEEE 802.11-03/782r0 September 2003 Peter Ecclesine, Cisco SystemsSlide 2 Agenda Obvious need for neighbor information Probe and Probe Response apparatus Country Information element and U-NII use Country Information element and Japan use Country Information element extension for neighbor use

3 doc.: IEEE 802.11-03/782r0 September 2003 Peter Ecclesine, Cisco SystemsSlide 3 Obvious need for neighbor BSS information Fast handoffs available services (connectedness) potential STA link quality BSS loading Location-awareness Regulatory-class/Coverage-class awareness

4 doc.: IEEE 802.11-03/782r0 September 2003 Peter Ecclesine, Cisco SystemsSlide 4 Probe and Probe Response apparatus If dot11MultiDomainCapability is true, or when dot11FrequencyBandsSupported1 is greater than 7, a Probe Request may contain an Request information element to a broadcast DA, not a specific Station Probe Response will contain Requested Elements

5 doc.: IEEE 802.11-03/782r0 September 2003 Peter Ecclesine, Cisco SystemsSlide 5 Country Information element, post.11j Element ID Length Country code First channel / Regulatory extension indicator Number of channels / Regulatory class Transmit power level / Coverage class

6 doc.: IEEE 802.11-03/782r0 September 2003 Peter Ecclesine, Cisco SystemsSlide 6 U-NII use Element ID Length - 14 Country code US_ First channel / Regulatory extension indicator –36 Number of channels / Regulatory class –8 Transmit power level / Coverage class –1 First channel / Regulatory extension indicator –149 Number of channels / Regulatory class –4 Transmit power level / Coverage class –1

7 doc.: IEEE 802.11-03/782r0 September 2003 Peter Ecclesine, Cisco SystemsSlide 7 Japan use D 1_5 Element ID Length - 14 Country code JP_ First channel / Regulatory extension indicator –201 Number of channels / Regulatory class –1 Transmit power level / Coverage class –0 First channel / Regulatory extension indicator –34 Number of channels / Regulatory class –4 Transmit power level / Coverage class –17

8 doc.: IEEE 802.11-03/782r0 September 2003 Peter Ecclesine, Cisco SystemsSlide 8 Change to beacon Only put in beacon the first part of the Country information element describing the information about the current beacon channel, not any other channels or Regulatory Class or Coverage Class Have the rest of the Country Information element(s) available by Probe and Probe Response

9 doc.: IEEE 802.11-03/782r0 September 2003 Peter Ecclesine, Cisco SystemsSlide 9 Japan use - 2 Element ID Length - 14 Country code JP_ First channel / Regulatory extension indicator –201 Number of channels / Regulatory class –1 (5.15-5.25 nomatic) Transmit power level / Coverage class –0 (indoor) First channel / Regulatory extension indicator –38 Number of channels / Regulatory class –1 Transmit power level / Coverage class –17 Also Licensed use at 5040, 5060, 5080 201, 2, 0 8, 3, 24

10 doc.: IEEE 802.11-03/782r0 September 2003 Peter Ecclesine, Cisco SystemsSlide 10 Neighbor use - 1 Element ID Length - 14 Country code JP_ First channel / Regulatory extension indicator –201 Number of channels / Regulatory class –1 (5.15-5.25 nomatic) Transmit power level / Coverage class –0 (indoor) First channel / Regulatory extension indicator –38 Number of channels / Regulatory class –1 Transmit power level / Coverage class –17 Also a neighbor BSS Licensed use at 5040, 5060, 5080 202, 2, 0 - note 202 to denote neighbor information 8, 3, 24


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