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Implementing Cisco Networking Solutions by Harpreet Singh

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Modulation

Modulation is the process in which a normal RF wave is modified in terms of its characteristics, namely amplitude and phase, to encode the signals that it is supposed to carry. There are different types of modulation used in WLANs, such as DSSS, OFDM, BPSK, QPSK, and QAM.

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