Dynamic URLLC and eMBB Multiplexing Design in 5G New Radio

The fifth generation (5G) new radio (NR) of mobile communications is designed to support two major class of services with vastly heterogeneous requirements: ultra-reliable low-latency communication (URLLC) and enhanced mobile broadband (eMBB). To enable the coexistence of URLLC and eMBB in the same...

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Bibliographic Details
Main Authors: Yang, Wei, Li, Chih-Ping, Fakoorian, Ali, Hosseini, Kianoush, Chen, Wanshi
Format: Conference Proceeding
Language:English
Subjects:
5G NR
Dynamic multiplexing
Enhanced mobile broadband
Multiplexing
New Radio
Power control
preemption indication
Technological innovation
Tutorials
Ultra reliable low latency communication
ultra-reliable low-latency communications
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Summary:The fifth generation (5G) new radio (NR) of mobile communications is designed to support two major class of services with vastly heterogeneous requirements: ultra-reliable low-latency communication (URLLC) and enhanced mobile broadband (eMBB). To enable the coexistence of URLLC and eMBB in the same radio spectrum in a cost-effective manner while guaranteeing the latency and reliability performance of URLLC, 5G NR has developed an innovative preemption and superposition framework which allows a dynamic multiplexing of the two services in an interleaved manner. In this tutorial paper, we review the key technological innovations in this framework in NR Release 15 and 16, namely, preemption indication and enhanced power control, and explain the design principles underlying these technologies. System-level and link-level simulations are provided to illustrate the performance benefits of these designs.
ISSN:2331-9860
DOI:10.1109/CCNC46108.2020.9045687