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A scalable medium access control (MAC) protocol is crucial for machine-type devices to access the channel simultaneously in a machine-to-machine (M2M) network. There can be two types of scenarios in an M2M network. First, where the M2M devices communicate with the base station one-by-one, and second, where the M2M devices directly communicate with each other within a group or cluster without any human...
In this paper, we propose a scalable hybrid-medium access control (MAC) protocol for inter-M2M communications, which combines the benefits of both contention-based and reservation-based medium access schemes. This protocol facilitates concurrent transmissions through spatial reuse. We assume that the contention and reservation portion of M2M devices is a frame structure, which is comprised of two...
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