Which system is used to manage frequencies in a radio communication network?

The system used to manage frequencies in a radio communication network is channel allocation. This process is essential for ensuring that different users or devices within the network can communicate effectively without interference. Channel allocation determines which specific frequency or channel is assigned to a user or service, allowing for organized and efficient use of the available spectrum.

In radio communication, various channels can be simultaneously used by multiple devices, provided they are allocated appropriately. This prevents overlap and interference, ensuring that signals do not disrupt each other. Effective channel allocation strategies are vital for optimizing communication networks, especially in environments with many users, such as urban areas or during events.

Other options, while relevant to radio communication, do not specifically pertain to frequency management. Frequency modulation relates to how information is transmitted over a carrier wave but doesn’t involve the allocation of frequencies. Data encoding is about converting data into a format suitable for transmission, while signal amplification deals with increasing the strength of a signal for clearer communication. These aspects play roles in the transmission process but do not manage the frequencies themselves within a radio communication framework.