In CAMA, the control channel is used to transmit control frames to reserve data channels. This prevents other nodes from sending data in reserved data channels.

• CAMA协议是一种多信道的预约型接入协议,该协议利用控制信道中交互的控制信息实现对业务信道的动态分配,实现了业务信道中业务数据的无竞争传输。