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Conference Paper Interference due to Phase Noise in Downlink Multi-TRP Scenario
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Authors
Kyeongpyo Kim, Wooram Shin, Kapseok Chang, Young-jo Ko
Issue Date
2023-10
Citation
International Conference on Information and Communication Technology Convergence (ICTC) 2023, pp.1114-1117
Publisher
IEEE
Language
English
Type
Conference Paper
DOI
https://dx.doi.org/10.1109/ICTC58733.2023.10392316
Abstract
Sub-terahertz band is significantly influenced by phase noise, making phase noise compensation essential for sub-terahertz communication systems. Compensating intercarrier interference (ICI) due to phase noise typically utilizes the reference signals and data from neighboring subcarriers, so the resources utilized for phase noise estimation are required to have similar interference environment to reliably estimate the phase noise. In this paper, we employ a system model to investigate the effect of the ICI due to phase noise at the receiver side of an orthogonal frequency division multiplexing (OFDM) system in a downlink multi-transmitter/receiver (TRP) environment. We explore resource mapping strategies to ensure that the resources utilized for phase noise estimation share similar interference environment. This paper also includes evaluations of the resource mappings we have considered.
KSP Keywords
Communication system, Intercarrier interference(ICI), Mapping strategies, Multi-transmitter, Orthogonal frequency division multiplexing (OFDM) system, Phase noise estimation, Terahertz Communication, Terahertz band, interference environment, phase noise compensation, resource mapping