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Channel access method (CAM) is used in telecommunications and computer networks to allow network terminals to share media capacity through a multipoint transmission medium. CAM examples include bus, hub, wireless and ring networks.
A channel access scheme is based on a multiplexing method, which allows several data streams or signals to share the same communication channel or physical medium. Furthermore, it is also based on a multiple access protocol and control mechanism known as media access control (MAC).
Channel access method is also know as multiple access method.
CAM is based on the following protocol features:
There are four CAM schemes: