This article presents the latest status and achievements of the IEEE Communication Society Standards for Dynamic Spectrum Access Networks, formerly IEEE Standards Coordinating Committee 41, which develops standards in the areas of dynamic spectrum access, cognitive radio, interference management, coordination of wireless systems, advanced spectrum management, and policy languages for next generation radio systems under the sponsorship of the IEEE Communications Society. The article also envisions future directions for the DYSPAN Committee

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This document describes the transmission of IPv4 over Ethernet, as well as IPv6 over Ethernet, in an access network deploying the IEEE 802.16 cellular radio transmission technology. The Ethernet on top of IEEE 802.16 is realized by bridging connections that IEEE 802.16 provides between a base station and its associated subscriber stations. Due to the resource constraints of radio transmission systems and the limitations of the IEEE 802.16 Media Access Control (MAC) functionality for the realization of an Ethernet, the transmission of IP over Ethernet over IEEE 802.16 may considerably benefit by adding IP-specific support functions in the Ethernet over IEEE 802.16 while maintaining full compatibility with standard IP over Ethernet behavior.

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