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5G • 5G-Advanced (Rel-18)

AI-Enhanced Handover Prediction

Deep Learning Mobility and Handover Failure Prevention

Predicts user movement trajectories and cell degradation to execute handovers proactively, eliminating ping-pong handovers and radio link drops.

Technical Explanation

Dense urban mmWave networks feature severe street corner signal drops where standard RSRP measurement reporting triggers handovers too late. Rel-18 AI handover prediction integrates spatial trajectory tracking, historical handover statistics, and beam quality time-series to execute target cell handovers seamlessly before the serving link fails.

Key Functions

  • Predicts optimal target cells based on spatial trajectory and speed vector
  • Reduces Handover Interruption Time (HIT) to virtually zero milliseconds
  • Eliminates wasteful ping-pong handovers between overlapping microcells
  • Prevents sudden radio link drops around street intersections in mmWave deployments
Specifications
3GPP TR 38.843, TS 38.331 (Rel-18)
Interfaces
Uu (RRC)Xn-C

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