HANDLING OF PUNCTURED POSITIONING REFERENCE SIGNALS

    公开(公告)号:US20240064685A1

    公开(公告)日:2024-02-22

    申请号:US18246489

    申请日:2021-10-14

    CPC classification number: H04W64/00 H04L1/0068 H04L5/0051

    Abstract: Disclosed are various techniques for wireless communication. In an aspect, a user equipment (UE) measures, during a measurement period that spans multiple measurement opportunities, multiple positioning reference signal (PRS) instances, each PRS instance occupying a different measurement opportunity, to produce a plurality of positioning measurements. A PRS instance can be a PRS resource, a PRS resource set, a PRS frequency layer, a transmission/reception point, or combinations thereof. For each PRS instance measured, the UE determines whether the PRS instance was punctured. Upon a determination that the PRS instance was punctured, the UE discards at least a portion of the positioning measurement and modifies the measurement period, e.g., by restarting the measurement period or extending the measurement period in order to take a measurement of another PRS instance.

    METHOD AND APPARATUS FOR 5G POSITIONING ACCURACY IMPROVEMENT IN PRESENCE OF PHASE NOISE

    公开(公告)号:US20240036149A1

    公开(公告)日:2024-02-01

    申请号:US18486897

    申请日:2023-10-13

    CPC classification number: G01S5/0221 H04W64/00

    Abstract: A mobile device and base station are enabled to support improved positioning accuracy in the presence of phase noise in high frequency radio network, such as in 5G New Radio network operating in mmWave. Phase Tracking Reference Signal (PTRS) may be transmitted with Positioning Reference Signals (PRS) and used for positioning and/or used to correct the phase offset between symbols in the PRS. A request may be made to transmit PTRS alone or with the PRS, or that the PRS is transmitted with a specific PRS frame structure, e.g., with a specific comb value, that minimizes the impact of phase noise. The PTRS or a phase ramp of the staggered symbols in the PRS may be used to estimate and correct the phase offset. Less than all of the symbols transmitted in the PRS may be used to generate positioning measurements to minimize the impact of phase noise.

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