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The present disclosure relates to a method of encoding a data signal, a transmitter and a receiver. The method receives the data signal and encodes the data signal by applying a dispersive delay response to the data signal thereby generating an encoded data signal. The transmitter comprises at least one phaser for applying a dispersive delay response to the signal thereby generating an encoded data signal. The receiver comprises at least one phaser for decoding the received encoded data signal by applying an inverse dispersive delay response to the received encoded data signal.
The novel Dispersion-code Multiple Access (DCMA) and conventional [[Code-division multiple access|Code-Division Multiple Access]] (CDMA) both aim to enable multiple users to share the same communication medium simultaneously without interference. They achieve this by encoding data signals; DCMA uses dispersive delay responses to encode and decode signals, whereas CDMA employs unique spreading codes for signal separation. The primary difference lies in their encoding techniques: DCMA relies on the physical properties of dispersive structures, while CDMA depends on mathematical code sequences to distinguish between users.
==References==
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