  This paper explores the role that 5G, WiFi-7, and Time-Sensitive Networking
(TSN) can play in driving smart manufacturing as a fundamental part of the
Industry 4.0 vision. The paper provides an in-depth analysis of each
technology's application in industrial communications, with a focus on TSN and
its key elements that enable reliable and secure communication in industrial
networks. In addition, the paper includes a comparative study of these
technologies, analyzing them based on a number of industrial use-cases,
supported secondary applications, industry adoption, and current market trends.
The paper concludes by highlighting the challenges and future directions for
the adoption of these technologies in industrial networks and emphasizes their
importance in realizing the Industry 4.0 vision within the context of smart
manufacturing.
