In cellular systems, a 5kHz channel typically accommodates one full duplex connection, meaning each person-to-person communication requires its own dedicated slot. While modulation schemes can allow for more efficient use of bandwidth, generally, each call needs a separate channel. The discussion highlights concerns about efficiency when there are significantly more users than available channels, as this can lead to a high probability of call blocking. Users express confusion about how multiple users can connect with limited channels, emphasizing the need for a better understanding of channel allocation. Overall, the efficiency of channel usage in cellular systems is a critical consideration for managing user connections.
