What characterizes the operation of a CDMA network?

The operation of a CDMA (Code Division Multiple Access) network is characterized primarily by its ability to allow multiple users to transmit on the same frequency simultaneously without interference. This is achieved through the use of unique spreading codes assigned to each user. When multiple signals are transmitted over the same channel, the CDMA system can separate them based on these distinct codes, enabling multiple conversations to occur in parallel without cross-talk or signal degradation.

This technique not only optimizes the use of available bandwidth but also enhances the security and capacity of the network, making it an efficient choice for mobile communication systems. The unique feature of simultaneous transmission on the same frequency while maintaining clear data channels sets CDMA apart from other multiple access techniques.

In contrast to time-division multiple access, which allocates different time slots for users, and frequency-division techniques, which assign different frequencies to different users, CDMA's method allows for greater flexibility and efficiency in channel usage. Additionally, operating solely on GSM protocols is not characteristic of CDMA, as GSM utilizes different methodologies for access. Thus, the ability to accommodate multiple users on the same frequency without interference is fundamental to the CDMA network's operation.