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2. IEEE Std. 802.11a, Supplement to Part II: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications: high-speed physical layer extension in the 5GHz Band, IEEE Std. 802.11a-1999, 1999.
3. IEEE Std. 802.11g/D3.0, Draft Supplement to Part II: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications: further higher-speed physical layer extension in the 2.4GHz Band, July 2002.
4. C. Perkins, IP mobility support for IPv4, Internet RFC 3344, August 2002.
5. Heterogeneous personal communications services: integration of PCS systems;Lin;IEEE Communications Magazine,1996