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FA (IPv4) IEEE802.16e Fixed/Nomadic Network Switched AN uses ETH switching functions to realize link layer transport & mobility inside AN Proxy-ARP and ARP filtering and other methods to reduce broadcast/multicast overhead, especially over the airlink. Depending on needs, FA may be deployed or Co-located FA/CoA mode can be used. MS/SS Access Network OFDMA OFDMA PHY PHY AR BS MAC MAC ETH ETH HO HO ARP/IP ARP/IP OFDMA OFDMA PHY PHY MAC MAC ETH ETH ETH-CS ETH-CS IP Bridging IP Mobility Control (Optional) Packet Transport 802.16e Link ETH ETH PHY 802.xx IP Host Host PHY 802.xx OFDMA MAC ETH-CS Bridging ETH PHY 802.xx IP PHY 802xx 802.11 ETH IP Cloud CN HA IP MIP(v6) This network behind MS may exist Col-FA |