What is FDMA technique?

Frequency Division Multiple Access (FDMA) techniques consist in assigning each satellite with a specific carrier frequency . The main advantage of FDMA when compared to CDMA is that it guarantees signal separation since each signal is transmitted in a dedicated frequency slot.

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What is OFDMA and how it works?

OFDMA follows a set of rules created for the transmission of data between more than one terminal (any device at the end of a transmission channel, such as a computer or phone) over a transmission medium (such as a wireless network). An example of how OFDMA works is when two phones send data over the same phone line.

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Why OFDM is used in LTE?

Using multiple carriers, each carrying a low data rate, OFDM is ideal for high speed data transmission because it provides resilience against narrow band fading that occurs as a result of reflections and the general propagation properties at these frequencies .

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