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Windows Server® 2008 TCP/IP Protocols and Services by Joseph Davies

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IEEE 802.11

IEEE 802.11 is a set of standards for wireless LAN technologies. The original 802.11 standard defines wireless networking using either 1-Mbps or 2-Mbps bit rates in the Industrial, Scientific, and Medical (ISM) 2.54-gigahertz (GHz) frequency band. IEEE 802.11b defines a maximum bit rate of 11 Mbps in the 2.54-GHz ISM band. IEEE 802.11a defines a maximum bit rate of 54 Mbps in the 5.8-GHz band. 802.11g defines a maximum bit rate of 54 Mbps in the 2.54-GHz band. IEEE 802.11b is the most widely deployed of the IEEE 802.11 standards.

At the MAC sublayer, IEEE 802.11 (all versions) uses a combination of congestion avoidance and Request to Send (RTS), Clear to Send (CTS), and Acknowledgment (ACK) frames to ensure that only one wireless node ...

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