Fjölflutningur

Fjölflutningur, also known as multiplexing, is a technique used in telecommunications and computing to combine multiple signals or data streams into a single signal or data stream for transmission over a shared medium. This process allows for more efficient use of the available bandwidth and resources, as well as the ability to transmit multiple signals simultaneously.

There are several types of multiplexing, each with its own specific application and advantages. Time-division multiplexing (TDM) divides the available time into multiple time slots, with each time slot allocated to a different signal or data stream. Frequency-division multiplexing (FDM) divides the available frequency spectrum into multiple frequency bands, with each band allocated to a different signal or data stream. Wavelength-division multiplexing (WDM) is a type of FDM used in optical fiber communications, where multiple signals are transmitted simultaneously on different wavelengths of light. Code-division multiplexing (CDM) uses unique codes to distinguish between multiple signals or data streams, allowing them to be transmitted simultaneously without interference.

Multiplexing is widely used in various applications, including telecommunications, broadcasting, and data networking. In telecommunications, multiplexing allows for the transmission of multiple voice or data signals over a single physical medium, such as a telephone line or a fiber optic cable. In broadcasting, multiplexing enables the transmission of multiple television or radio channels over a single frequency band. In data networking, multiplexing allows for the efficient use of network resources by combining multiple data streams into a single data stream for transmission over a shared medium.

Overall, multiplexing is an essential technique in modern telecommunications and computing, enabling the efficient and effective transmission of multiple signals or data streams over a shared medium.