Wireless mesh networks: a survey
Computer Networks: The International Journal of Computer and Telecommunications Networking
IEEE 802.22: the first cognitive radio wireless regional area network standard
IEEE Communications Magazine
An overview of IEEE 802.21: media-independent handover services
IEEE Wireless Communications
IEEE 802.16J relay-based wireless access networks: an overview
IEEE Wireless Communications
The IEEE 802.11s Extended Service Set Mesh Networking Standard
IEEE Communications Magazine
Journal of Network and Computer Applications
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The IEEE 802.21 standard facilitates media independent handovers by providing higher layer mobility management functions with common service primitives for all technologies. Right after the base specification was published, several voices rose up in the working group advocating to broaden the scope of IEEE 802.21 beyond handovers. This paper aims at updating the reader with the main challenges and functionalities required to create a Media Independence Service Layer, through the analysis of scenarios which are being discussed within the working group: 1) Wireless Coexistence, and 2) Heterogeneous Wireless Multihop Backhaul Networks.