Filtering Methods for Efficient Dynamic Access Control in 5G Massive Machine-Type Communication Scenarios

Abstract

One of the three main use cases of the fifth generation of mobile networks (5G) is massive machine-type communications (mMTC). The latter refers to the highly synchronized accesses to the cellular base stations from a great number of wireless devices, as a product of the automated exchange of small amounts of data. Clearly, an efficient mMTC is required to support the Internet-of-Things (IoT). Nevertheless, the method to change from idle to connected mode, known as the random access procedure (RAP), of 4G has been directly inherited by 5G, at least, until the first phase of standardization. Research has demonstrated the RAP is inefficient to support mMTC, hence, access control schemes are needed to obtain an adequate performance. In this paper, we compare the benefits of using different filtering methods to configure an access control scheme included in the 5G standards: the access class barring (ACB), according to the intensity of access requests. These filtering methods are a key component of our proposed ACB configuration scheme, which can lead to more than a three-fold increase in the probability of successfully completing the random access procedure under the most typical network configuration and mMTC scenario.

QoS‐Aware Optimal Radio Resource Allocation Method for Machine‐Type Communications in 5G LTE and beyond Cellular Networks

“…The relevant literature that addresses the abovementioned challenges includes [10][11][12][13][14][15][16][17][18][19][20][21][22]. So, in paper [23], a detailed review of LTE uplink schedulers for M2M devices is presented.…”

“…The authors in paper [18] compared the benefits of using different filtering techniques to configure the access control scheme included in the 5G standards: access class denial (ACB), depending on the intensity of access requests. These filtering methods are a key component of the access class configuration scheme proposed by the authors, which can lead to more than a threefold increase in the probability of successful completion of a random access procedure under the most typical network configuration and mMTC scenario.…”