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Multipath Parameter Extraction in 5G-NR Multicell Network Using Interference Cancellation Method
DOI:10.1109/LAWP.2024.3390222.png)
摘要
En 中文
Passive channel sounding in live cellular network, where downlink signals of in-service base stations (BSs) are acquired to extract multipath propagation parameters, has attracted great interest from academia and industry in recent years. In this work, downlink signals of live 5G New Radio (NR) multicell BSs were measured with a recent home-developed multiantenna passive channel sounder. It was found out that the performance of multipath parameter extraction algorithm is severely affected by the existence of many interfering neighbor cells (which share the same frequency band as the serving cell) in the multicell measurements. For this reason, a novel algorithm based on the interference cancellation principle is proposed, which can effectively mitigate the impact of multicell interference and thus improve the parameter extraction performance. The effectiveness and robustness of the proposed algorithm is finally demonstrated by the passive channel sounding campaigns in live 5G NR multicell cellular network.
Keyword:
Interference
Channel estimation
Downlink
Parameter extraction
Delays
Signal to noise ratio
5G mobile communication
5G cellular network
interference cancellation
multipath parameter extraction
passive channel sounding
期刊
IF:
4.8
论文数:
1.0W
被引数:
2.8W

