TY - JOUR
T1 - Toward ultrareliable low-latency communications
T2 - Typical scenarios, possible solutions, and open issues
AU - Feng, Daquan
AU - She, Changyang
AU - Ying, Kai
AU - Lai, Lifeng
AU - Hou, Zhanwei
AU - Quek, Tony Q.S.
AU - Li, Yonghui
AU - Vucetic, Branka
N1 - Funding Information:
This work was supported in part by the National Natural Science Foundation of China under grant 61701317, the Young Elite Scientists Sponsorship Program by China Association for Science and Technology under grant 2018QNRC001, the Guangdong Natural Science Foundation under grant 2017A030310371, the Shenzhen Basic Research Program under grant JCYJ20170302150006125, the Start-Up Fund of Shenzhen University under grant 2017076, the "Tencent Rhinoceros" Birds-Scientific Research Foundation for Young Teachers of Shenzhen University, the Start-Up Fund of Peacock Project, the Singapore University of Technology and Design (SUTD) and Zhejiang University of China (ZJU) Research Collaboration under grant SUTD-ZJU/Research/01/2016 and SUTDZJU/RES/05/2016, the Australian Research Council under grant DP150104019 and DP190101988, and the University of Sydney.
Funding Information:
Branka Vucetic (branka.vucetic@sydney .edu.au) is an Australian Research Council laureate fellow and director of the Centre of Excellence for IoT and Telecommunications at the University of Sydney, Australia. Her research work is in wireless networks, with a focus on communication systems design for millimeter-wave frequency bands, and in the Internet of Things, with a focus on providing wireless connectivity for mission-critical applications. She is a fellow of the Australian Academy of Technological Sciences and Engineering and the Australian Academy of Science as well as a Fellow of the IEEE.
Funding Information:
Young Elite Scientists Sponsorship Program by China Association for Science and Technology under grant 2018QNRC001, the Guangdong Natural Science Foundation under grant 2017A030310371, the Shenzhen Basic Research Program under grant JCYJ20170302150006125, the Start-Up Fund of Shenzhen University under grant 2017076, the “Tencent Rhinoceros” Birds—Scientific Research Foundation for Young Teachers of Shenzhen University, the Start-Up Fund of Peacock Project, the Singapore University of Technology and Design (SUTD) and Zhejiang University of China (ZJU) Research Collaboration under grant SUTD-ZJU/Research/01/2016 and SUTD-ZJU/RES/05/2016, the Australian Research Council under grant DP150104019 and DP190101988, and the University of Sydney.
Funding Information:
This work was supported in part by the National Natural Science Foundation of China under grant 61701317, the
Publisher Copyright:
© 2019 IEEE.
PY - 2019/6
Y1 - 2019/6
N2 - Ultrareliable low-latency communications (URLLC) is one of three emerging application scenarios in 5G new radio (NR) for which physical layer design aspects have been specified. With 5G NR, we can guarantee reliability and latency in radio access networks. However, for communication scenarios where the transmission involves both radio access and wide-area core networks, the delay in radio access networks contributes to only a portion of the end-toend (E2E) delay. In this article, we outline the delay components and packet loss probabilities in typical URLLC scenarios and formulate the constraints on E2E delay and overall packet loss probability. Then, we summarize possible solutions in the physical, link, and network layers as well as the cross-layer design. Finally, we discuss open issues in prediction and communication codesign for URLLC in wide-area, largescale networks.
AB - Ultrareliable low-latency communications (URLLC) is one of three emerging application scenarios in 5G new radio (NR) for which physical layer design aspects have been specified. With 5G NR, we can guarantee reliability and latency in radio access networks. However, for communication scenarios where the transmission involves both radio access and wide-area core networks, the delay in radio access networks contributes to only a portion of the end-toend (E2E) delay. In this article, we outline the delay components and packet loss probabilities in typical URLLC scenarios and formulate the constraints on E2E delay and overall packet loss probability. Then, we summarize possible solutions in the physical, link, and network layers as well as the cross-layer design. Finally, we discuss open issues in prediction and communication codesign for URLLC in wide-area, largescale networks.
UR - http://www.scopus.com/inward/record.url?scp=85064379581&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85064379581&partnerID=8YFLogxK
U2 - 10.1109/MVT.2019.2903657
DO - 10.1109/MVT.2019.2903657
M3 - Article
AN - SCOPUS:85064379581
VL - 14
SP - 94
EP - 102
JO - IEEE Vehicular Technology Magazine
JF - IEEE Vehicular Technology Magazine
SN - 1556-6072
IS - 2
M1 - 8683972
ER -