Hamidreza Shariatmadari, Zexian Li, K. Hugl, M. Uusitalo, R. Jäntti
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Statistical Analysis of Downlink Transmissions for Ultra-Reliable Low-Latency Communications
The fifth generation (5G) of wireless systems aims at providing connectivity for a large number of applications by introducing new services. Ultra-reliable low-latency communications (URLLC) is one of the considered services that envisions mission-critical applications, such as industrial Internet, remote surgery, and intelligent vehicular systems. The 5G new radio (NR) might employ different transmission schemes to meet the stringent URLLC requirements in terms of availability, reliability, and latency. This paper presents downlink transmission schemes that can be utilized to support URLLC. In addition, the statistical reliability analysis is provided. A proper transmission scheme can be selected according to the communication requirements and reliabilities of data and control channels.