Date Added: Jun 2012
Due to Wi-Fi marketing 802.11 becomes a universal solution for wireless connectivity. A wireless network is that in which the performance of a network depends on the layering structure of protocol. A wireless network is many types like Ad-hoc, cellular and mesh network. A mesh is used to optimize performance in better way as compare to traditional approach. A network can be optimized using different - 2 ways. Physical and mac layer are used for implementation. Physical layer consist of communication channel like TDMA, CDMA, OFDM, MIMO-OFDM etc each layer is designed independently and contain full transparency.