Abstract
Industrial IoT has special communication requirements, including high reliability, low latency, flexibility, and security. These are instinctively provided by the 5G mobile technology, making it a successful candidate for supporting Industrial IoT (IIoT) scenarios. The aim of this paper is to identify current research challenges and solutions in relation to 5G-enabled Industrial IoT, based on the initial requirements and promises of both domains. The methodology of the paper follows the steps of surveying state-of-the art, comparing results to identify further challenges, and drawing conclusions as lessons learned for each research domain. These areas include IIoT applications and their requirements; mobile edge cloud; back-end performance tuning; network function virtualization; and security, blockchains for IIoT, Artificial Intelligence support for 5G, and private campus networks. Beside surveying the current challenges and solutions, the paper aims to provide meaningful comparisons for each of these areas (in relation to 5G-enabled IIoT) to draw conclusions on current research gaps.
Highlights
The fifth generation of cell-based mobile communication architecture is commonly called 5G.It has been motivated by various factors, some are purely related to communications, such as serving highly populated areas with high-speed mobile access, and some are less related to communications, such as battery lifetime for over 10 years, among others
This paper aims to provide a comprehensive view on how 5G and related emerging methods and technologies intend to support the needs of industrial actors
99.999% up to 99.999999%), and long-term reliability must ensure the wide applicability of 5G
Summary
The fifth generation of cell-based mobile communication architecture is commonly called 5G. It has been motivated by various factors, some are purely related to communications, such as serving highly populated areas with high-speed mobile access, and some are less related to communications, such as battery lifetime for over 10 years, among others. Traffic-related motivations include the expanding requirements for enhanced mobile broadband (eMBB), ultra-reliable and low latency, so-called critical communication scenarios (URLLC), and the envisioned massive machine type communication (MMTC), or mIoT, massive IoT (Internet of Things), traffic demands. One of the new areas where cellular mobile communications enter due to 5G is industrial IoT, especially regarding ultra-reliable and low-latency communication needs. Note that this article focuses on the underlying solutions within and beyond the core network, while the specific challenges of the radio access network is outside of the scope for the current paper
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