What role does a transmitter play in frequency hopping?

The role of a transmitter in frequency hopping is to change frequency in synchronization with the receiver. In frequency hopping spread spectrum (FHSS) communication, both the transmitter and receiver switch between various frequency channels in a predetermined sequence. This method enhances the robustness of the communication by spreading the signal across different frequencies, making it more resistant to interference and eavesdropping.

As the transmitter hops between frequencies according to a specific hopping pattern, the receiver must follow the same pattern to successfully receive the transmitted signal. This synchronized frequency change allows for continuous communication even if some frequencies experience interference or noise. Additionally, this technique helps to minimize the risk of detection since the signal does not remain on a single frequency for an extended period.

Other roles described in the choices, such as creating a constant frequency signal, encrypting data, or monitoring network traffic, do not align with the function of a transmitter in a frequency hopping system, as they pertain to different aspects of communication or network management.