M2M (Machine to Machine) communications enable many new applications that reduce the costs of maintenance and operation via remote monitoring and control. The forecasts for this type of communications predict traffic increases associated with these devices of about 100% in the coming years. However, the behaviour of M2M devices is different from the human user, which causes stress on the networks due to the overload of the signalling procedures. This paper reviews the literature on the current scenario, projections for the decade, and improvements that LTE (Long Term Evolution) will offer for this segment of devices.
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