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Hyejin Kim, Jintae Kim, and Daesik Hong, "Dynamic TDD Systems for 5G and Beyond: A Survey of Cross-Link Interference Mitigation," in IEEE Communications Surveys & Tutorials, Fourthquarter 2020

[IEEE Comm. Surveys & Turotials]
조회 31737
Status : Published 
Date : 2020-07 
Title : Dynamic TDD Systems for 5G and Beyond: A Survey of Cross-link Interference Mitigation 
Authors : Hyejin Kim, Jintae Kim, and Daesik Hong 
Journal : IEEE Comm. Surveys & Tutorials 
Abstract : Dynamic time division duplex (D-TDD) dynamically allocates the transmission directions for traffic adaptation in each cell. D-TDD systems are receiving a lot of attention because they can reduce latency and increase spectrum utilization via flexible and dynamic duplex operation in 5G New Radio (NR). However, the advantages of the D-TDD system are difficult to fully utilize due to the cross-link interference (CLI) arising from the use of different transmission directions between adjacent cells. This paper is a survey of the research from academia and the standardization efforts being ndertaken to solve this CLI problem and make the D-TDD system a reality. Specifically, we categorize and present the approaches to mitigating CLI according to operational principles. Furthermore, we present the signaling necessary to apply the CLI mitigation schemes. We also present information-theoretic performance analysis of D-TDD systems in various environments. As topics for future works, we discuss the research challenges and opportunities associated with the CLI mitigation schemes and signaling design in a variety of environments. This survey is recommended for those who are in the initial stage of studying D-TDD systems and those who wish to develop a more feasible D-TDD system as a baseline for reviewing the research flow and standardization trends surrounding D-TDD systems and to identify areas of focus for future works. 
URL : https://ieeexplore.ieee.org/document/9139384 

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» [IEEE Comm. Surveys & Turotials] Hyejin Kim, Jintae Kim, and Daesik Hong, "Dynamic TDD Systems for 5G and Beyond: A Survey of Cross-Link Interference Mitigation," in IEEE Communications Surveys & Tutorials, Fourthquarter 2020 Published  2020-07 
1 [IEEE Trans. Wireless Commun.] Kwonjong Lee, Yosub Park, Minsoo Na, Hanho Wang, and Daesik Hong, Aligned Reverse Frame Structure for Interference Mitigation in Dynamic TDD Systems", IEEE Trans. on Wireless Comm., Jul. 2017 Published  2017-07 
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