NR和LTE重叠频谱的CRS干扰处理:性能和标准影响分析

2022 IEEE/CIC International Conference on Communications in China (ICCC Workshops) Pub Date : 2022-08-11 DOI:10.1109/ICCCWorkshops55477.2022.9896636

Jingzhou Wu, Shan Yang, Bowen Wang, X. She, Jianxiu Wang, Peng Chen

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引用次数: 0

摘要

动态频谱共享(DSS)使基站能够在不同的无线接入技术之间共享时频资源，从而加速从4G向5G的演进。当前的NR DSS标准忽略了来自相邻小区特定参考信号(CRS)的强下行干扰，这已经成为DSS实际部署的一个障碍。基于3GPP Rel-17工作项目，研究了多种候选的CRS干扰处理方案以及对Rel-17标准的潜在影响。链路级仿真结果显示了良好的性能增益。

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CRS interference handling on NR and LTE overlapping spectrum: Analysis on performance and standard impact

Dynamic spectrum sharing (DSS) enables base s-tations to share the time-frequency resources between different radio access technologies which can speed up the evolution from 4G to 5G. The current NR DSS standards have ignored the strong downlink interference from the neighbour cell cell-specific reference signal (CRS), which has been a barrier to the real deployment of DSS. Based on the 3GPP Rel-17 work item, this paper investigates multiple candidate CRS interference handling solutions as well as the potential Rel-17 standard impact. Perfect performance gain can be shown in the link-level simulation results.

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2022 IEEE/CIC International Conference on Communications in China (ICCC Workshops)

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