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Content for  TR 38.866  Word version:  16.1.0

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0  IntroductionWord‑p. 5

In the 3GPP TSG RAN #80 meeting, a new SI "Study on remote interference management for NR" was agreed for Release 16 [2]. The study aims to investigate possible mechanisms for mitigating the impact of remote base station interference in unpaired spectrum focusing on synchronized macro cells with semi-static DL/UL configuration in co-channel.

1  Scope

The present document captures the findings and results from the study item "Study on remote interference management for NR" [2]. The objective of this SI is to investigate possible mechanisms for mitigating the impact of remote base station interference in unpaired spectrum focusing on synchronized macro cells with semi-static DL/UL configuration in co-channel, including:
  • Study mechanisms for improving network robustness and addressing strong remote base station interference, including potential UE side's enhancement [RAN1]
  • Study mechanisms for identifying which gNB(s) generate strong remote interference, including the following aspects:
    • Potential Reference signal design for gNB to identify that it creates strong inter-gNB interference to some victim gNB [RAN1]
      • Existing reference signals are starting points of discussion.
    • Mechanism for gNB to start and terminate the transmission/detection of the reference signal(s) [RAN1, RAN3]
  • Study the potential additional coordination among gNBs for mitigating remote interference [RAN3]
This document is a 'living' document, i.e. it is permanently updated and presented to TSG-RAN meetings.
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