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Understanding the Heart of the 5G Air Interface: An Overview of Physical Downlink Control Channel for 5G New Radio (NR)
New Radio (NR) is a new radio air interface developed by the 3rd Generat...
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5G Control Channel Design for Ultra-Reliable Low-Latency Communications
The fifth generation (5G) of wireless systems holds the promise of suppo...
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Multicast eMBB and Bursty URLLC Service Multiplexing in a CoMP-Enabled RAN
This paper is concerned with slicing a radio access network (RAN) for si...
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Classification of Mobile Services and Apps through Physical Channel Fingerprinting: a Deep Learning Approach
The automatic classification of applications and services is an invaluab...
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How Should I Orchestrate Resources of My Slices for Bursty URLLC Service Provision?
Future wireless networks are convinced to provide flexible and cost-effi...
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Configurable Distributed Physical Downlink Control Channel for 5G New Radio: ResourceBundling and Diversity Trade-off
New radio technologies for the fifth generation of wireless system have ...
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Optimal Traffic Splitting Policy in LTE-based Heterogeneous Network
Dual Connectivity (DC) is a technique proposed to address the problem of...
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Blocking Probability Analysis for 5G New Radio (NR) Physical Downlink Control Channel
The 5th generation (5G) new radio (NR) is designed to support a wide range of use cases, requirements, and services from enhanced mobile broadband (eMBB) to ultra-reliable low-latency communications (URLLC). NR signals are designed to meet stringent requirements, and in particular the physical downlink control channel (PDCCH) which requires careful consideration. In this paper, we provide a comprehensive analysis on the PDCCH blocking probability in a network where multiple users need to be scheduled for receiving downlink control information. We evaluate the performance of blocking probability in terms of various network parameters including number of users, size of the control resource set (CORESET), and PDCCH aggregation levels (ALs). Our analysis reveals fundamental tradeoffs and key insights for efficient network design in terms of PDCCH blocking probability.
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