Semi-Static Radio Frame Configuration for URLLC Deployments in 5G Macro TDD Networks

Ali Abdelmawgood Ali Ali Esswie, Klaus Ingemann Pedersen, Preben E. Mogensen

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1 Citationer (Scopus)
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Dynamic time division duplexing (TDD) is one of the major novelties of the 5G new radio standard. It notably improves the network resource utilization with sporadic directional packet arrivals. Although, the feasibility of the ultra-reliable and low-latency communications (URLLC) within such deployments is critically challenged, mainly due to the cross-link interference (CLI). In this work, we propose a semi-static and computationally-efficient TDD radio frame adaptation algorithm for 5G macro deployments. Particularly, we first identify the quasi-static variance of the cross-cell traffic buffering performance, with various CLI co-existence conditions. Accordingly, a common radio frame pattern is dynamically estimated based on the filtered multi-cell traffic statistics. Our system-level simulation results show that the proposed solution achieves a highly improved URLLC outage performance, i.e., offering 40% reduction gain of the achievable URLLC outage latency compared to perfect static-TDD, and approaching the optimal interference-free flexible-TDD case; though, with a significantly lower control overhead size.

Titel2020 IEEE Wireless Communications and Networking Conference (WCNC)
Antal sider6
ISBN (Trykt)978-1-7281-3107-8
ISBN (Elektronisk)978-1-7281-3106-1
StatusUdgivet - 2020
Begivenhed2020 IEEE Wireless Communications and Networking Conference (WCNC) - Seoul, Sydkorea
Varighed: 25 maj 202028 maj 2020


Konference2020 IEEE Wireless Communications and Networking Conference (WCNC)
NavnIEEE Wireless Communications and Networking Conference, WCNC

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