Here is a good document about WiFi roaming and other mechanisms that allow clients to negotiate a network connection and keep the connection.
http://arxiv.org/ftp/arxiv/papers/1011/1011.1956.pdf
This document doesn't address HetNet 2.XX. Currently "wave 2" or the 2nd revision for AP's and clients is being deployed.
http://arxiv.org/ftp/arxiv/papers/1011/1011.1956.pdf
This document doesn't address HetNet 2.XX. Currently "wave 2" or the 2nd revision for AP's and clients is being deployed.