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Jaeyoung Choi, Beomju Kim, Kwonjong Lee, and Daesik Hong, "A Transceiver Design for Spectrum Sharing in Mixed Numerology Environments", IEEE Trans. on Wireless Comm., Mar. 2019

[IEEE Trans. Wireless Commun.]
조회 56179
Status : Published 
Date : 2019-03 
Title : A Transceiver Design for Spectrum Sharing in Mixed Numerology Environments 
Authors : Jaeyoung Choi, Beomju Kim, Kwonjong Lee, and Daesik Hong 
Journal : IEEE Transactions on Wireless Communications 
Abstract : We consider a mixed numerology spectrum sharing (SS) system where the users have different subcarrier spacing (SCS). Unlike in single numerology SS systems, mixed numerology SS systems suffer from inter-numerology interference (INI). We first derive the interference pattern and find that the variance of interference energy increases due to the difference in SCS. This increase in variance negatively affects decoding performance, since the interference energy is unbalanced between subcarriers. However, previous works on this issue did not take this interference pattern into account for interference management. In order to suppress the increase in variance of the interference energy, we propose a transceiver structure for large SCS users by using simple cyclic shift and frequency shift operations. The proposed transceiver disperses the effect of INI, reducing the variance in the interference energy. From the derived distribution characteristics of the interference energy in closed-form expressions, we show that the proposed transceiver achieves better decoding performance. 
URL : https://ieeexplore.ieee.org/document/867...uthoralert 

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List of Articles
No.
Status Datesort
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» [IEEE Trans. Wireless Commun.] Jaeyoung Choi, Beomju Kim, Kwonjong Lee, and Daesik Hong, "A Transceiver Design for Spectrum Sharing in Mixed Numerology Environments", IEEE Trans. on Wireless Comm., Mar. 2019 Published  2019-03 
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