A Frequency-Based Intelligent Slicing in LoRaWAN with Admission Control Aspects

Abstract

The significant deployment of LoRaWan networks is increasingly questioning its ability to handle massive numbers of IoT devices and its ability to support service differentiation. The few existing attempts to implement service differentiation suffer from a lack of scalability and do not meet the qualitative criteria of the services, since without admission control there is no way to restrain the devices from transmitting. In this paper, we present a scalable probabilistic approach that not only enables an efficient sharing of LoRaWan access networks between different services/slices, but more importantly allows achieving the objectives of the supported services through the integration of an admission control. Since the derivation of devices' repartition probabilities is a very complex problem, we propose an evolutionary algorithm to derive them efficiently. The obtained results clearly show the ability of the proposed solution to efficiently utilize the scarce radio resources, while achieving the qualitative objectives of the prioritized services.

LoRa meets IP: a Container-based Architecture to Virtualize LoRaWAN End Nodes

“…In [30], a probabilistic approach is proposed to enable efficient sharing of LoRaWAN access networks between different services/slices and integration of admission control mechanisms (expedient to the devices from transmitting). In this case, the focus is on the physical layer of the chosen communication protocol, allowing multiple end nodes to send their messages toward natively defined LoRaWAN high-layer systems (i.e., NS and AS), rather than focusing on end nodes' virtualization for enhanced services.…”

Everyone can slice LoRaWAN

“…In [2], the authors explain that slicing on LoRaWAN channels does not provide a fine QoS granularity, as the number of channels in LoRaWAN is typically very small (from 3 to 8 in the European regional settings). Thus, they propose end-devices of different priorities to be allocated to the same channel.…”

“…Slicing approach Isolation Dyamic traffic support LoRaWAN Specification compatibility [1] frequency-based + -+ [4] SF-based + -+ [5] SF-based and frequency-based + -- [6] SF-based and frequency-based + -- [2] frequency-based --- [3] frequency-based and power-based --+ [7] frequency-based + + + Our approach SF-based and frequency-based + + + compatibility with the LoRaWAN specifications.…”