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IEEE 802 Wireless Coexistence 802.11 and 802.16. David Chauncey Clearwire dchauncey@clearwireeq.com (716) 631-6409. 802.16 Standard. 802.16 Standard Approved 11 to 60 GHz 802.16a and 802.16b combined into one. 2 to 11 GHz Licensed and License Exempt Letter ballot nearly approved.
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IEEE 802 Wireless Coexistence 802.11 and 802.16 David Chauncey Clearwire dchauncey@clearwireeq.com (716) 631-6409 David Chauncey, Clearwire
802.16 Standard • 802.16 Standard Approved • 11 to 60 GHz • 802.16a and 802.16b combined into one. • 2 to 11 GHz Licensed and License Exempt • Letter ballot nearly approved. • Working on comment resolution. David Chauncey, Clearwire
Coexistence Methods • Dynamic Frequency Selection (DFS) • Adaptive Transmit Power Control (ATPC) • Listen Before Talk (LBT) • Common MAC Messages • Directional Antennas • Work of 802.15 Group David Chauncey, Clearwire
802.16a Standard Coexistence • Implemented in standard • DFS • ATPC • Possible • 802.11a message is in standard. • LBT? • Common MAC message? • Difference in sensitivities? • .16 can hear .11 but not vice versa. • Other • Indoor vs. outdoor. • 10-30 dB isolation. David Chauncey, Clearwire