Abstract
Beyond the forth-generation (4G), we are quickly moving towards a world with ubiquitous and tremendous connected devices. The massive growth of machine-to-machine devices (M2M-Ds) is expected in the future that makes random access channel (RACH) performance susceptible to degradation. Therefore, improving system requirements for machine-to-machine (M2M) communications is required to enhance the radio access network (RAN). One of the method that is expected to enhance RAN performance is the deployment of the M2M gateways (M2M-GWs). In this paper, we study the effect of deploying gateways on RAN performance for the M2M communications over Long Term Evolution-Advanced (LTE-A). The method is shown to improve RACH performance in terms of access success probability, collision probability, average access delay, and average preamble transmissions.
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