Time Division Multiple Access (TDMA) is a second-generation technology used in digital mobile telephone communication, which divides each cellular channel into individual time slots in order to increase the amount of data that can be carried out.
Several different mutually incompatible implementations of TDMA technologies are in use worldwide, the most prolific being GSM (Global System for Mobile Communications). However, the implementation that is commonly referred to as TDMA is that defined by IS-136 by the Telecommunication Industries Association.
Although TDMA is currently incompatible with other second-generation systems, there is now a common upgrade path to IMT-2000, which should become the world-wide standard for third-generation mobile communication.
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