The Physical Layer of the Radio interface
In order to allow a group of mobile users to access the network simultaneously, it is necessary to share, in one way or another, the radio resources managed by the network operator. There are three main ways of providing such resource sharing or multiple access: frequency division multiple access (FDMA), time division multiple access (TDMA), and code division multiple access (CDMA).
KeywordsPhysical Layer Code Division Multiple Access Spreading Factor Convolutional Code Time Division Multiple Access
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