Einzeltreffer — DigiBib

A method of wireless communication by a base station includes configuring a tracking reference signal (TRS) with respect to a physical downlink shared channel (PDSCH) for an idle/inactive mode user equipment (UE). The method also transmits the tracking reference signal and the PDSCH during a paging cycle, in accordance with the configuration. A method of wireless communication by a UE includes expecting a TRS to be received when a PDSCH is received.

Titel:	TRACKING REFERENCE SIGNAL (TRS) FOR IDLE MODE USER EQUIPMENT (UE)
Link:	View record in USPTO Patent Applications (Volltext)
Veröffentlichung:	2024
Medientyp:	Patent
Sonstiges:	Nachgewiesen in: USPTO Patent Applications Sprachen: English Document Number: 20240073817 Publication Date: February 29, 2024 Appl. No: 18/461848 Application Filed: September 06, 2023 Claim: 1. A method of wireless communication by a network device, comprising: configuring a tracking reference signal (TRS) with respect to a paging occasion for an idle mode user equipment (UE) or an inactive mode UE; and transmitting the TRS during a paging cycle corresponding to the paging occasion in response to transmitting a physical downlink shared channel (PDSCH), the transmitting of the TRS occurring in accordance with the configuring. Claim: 2. The method of claim 1, further comprising configuring the TRS to be time division multiplexed with a physical downlink shared channel (PDSCH) during the paging cycle, the PDSCH corresponding to the paging occasion. Claim: 3. The method of claim 1, further comprising configuring the TRS to be at least partially frequency division multiplexed with a physical downlink shared channel (PDSCH) during the paging cycle, the PDSCH corresponding to the paging occasion. Claim: 4. The method of claim 1, further comprising partitioning a group of UEs belonging to the paging occasion into a plurality of groups. Claim: 5. The method of claim 4, further comprising configuring a different TRS for each of the plurality of groups. Claim: 6. The method of claim 1, further comprising scheduling a physical downlink shared channel (PDSCH) at least one slot after a slot where associated downlink control information (DCI) for paging indication is transmitted. Claim: 7. The method of claim 1, further comprising transmitting a wake-up signal within a physical downlink control channel (PDCCH), the wake-up signal instructing the UE to later monitor for the paging occasion. Claim: 8. The method of claim 7, in which the wake-up signal aligns with the TRS. Claim: 9. The method of claim 1, in which the TRS instructs the UE to later monitor for the paging occasion. Claim: 10. The method of claim 1, further comprising refraining from transmitting the TRS when the PDSCH is not transmitted. Claim: 11. The method of claim 1, further comprising aligning the paging occasion with a slot for paging downlink control information (P-DCI) monitoring. Claim: 12. The method of claim 1, further comprising aligning the paging occasion with a slot where a physical downlink shared channel (PDSCH) could potentially arrive. Claim: 13. A method of wireless communication, by a user equipment (UE), comprising: monitoring for a tracking reference signal (TRS) during a period when a physical downlink shared channel (PDSCH) is received, the TRS not arriving when the PDSCH is not received. Claim: 14. The method of claim 13, in which the TRS and the PDSCH overlap in time. Claim: 15. The method of claim 13, further comprising monitoring for paging downlink control information (P-DCI) at a slot assigned for a paging occasion. Claim: 16. The method of claim 13, further comprising monitoring for a paging occasion at a slot where the PDSCH could potentially arrive. Claim: 17. An apparatus of a base station for wireless communication, comprising: a memory, and at least one processor operatively coupled to the memory, the memory and the at least one processor configured: to configure a tracking reference signal (TRS) with respect to a paging occasion for an idle mode user equipment (UE) or an inactive mode UE; and to transmit the TRS during a paging cycle corresponding to the paging occasion in response to transmitting a physical downlink shared channel (PDSCH), the transmitting of the TRS occurring in accordance with the configuring. Claim: 18. The apparatus of claim 17, in which the at least one processor is further configured to configure the TRS to be time division multiplexed with a physical downlink shared channel (PDSCH) during the paging cycle, the PDSCH corresponding to the paging occasion. Claim: 19. The apparatus of claim 17, in which the at least one processor is further configured to configure the TRS to be at least partially frequency division multiplexed with a physical downlink shared channel (PDSCH) during the paging cycle, the PDSCH corresponding to the paging occasion. Claim: 20. The apparatus of claim 17, in which the at least one processor is further configured to partition a group of UEs belonging to the paging occasion into a plurality of groups. Claim: 21. The apparatus of claim 20, in which the at least one processor is further configured to configure a different TRS for each of the plurality of groups. Claim: 22. The apparatus of claim 17, in which the at least one processor is further configured to schedule a physical downlink shared channel (PDSCH) at least one slot after a slot where associated downlink control information (DCI) for paging indication is transmitted. Claim: 23. The apparatus of claim 17, in which the at least one processor is further configured to transmit a wake-up signal within a physical downlink control channel (PDCCH), the wake-up signal instructing the UE to later monitor for the paging occasion. Claim: 24. The apparatus of claim 23, in which the wake-up signal aligns with the TRS. Claim: 25. The apparatus of claim 17, in which the TRS instructs the UE to later monitor for the paging occasion. Claim: 26. The apparatus of claim 17, in which the at least one processor is further configured to refrain from transmitting the TRS when the PDSCH is not transmitted. Claim: 27. The apparatus of claim 17, in which the at least one processor is further configured to align the paging occasion with a slot for paging downlink control information (P-DCI) monitoring. Claim: 28. The apparatus of claim 17, in which the at least one processor is further configured to align the paging occasion with a slot where a physical downlink shared channel (PDSCH) could potentially arrive. Claim: 29. An apparatus of a user equipment (UE) for wireless communication, comprising: a memory, and at least one processor operatively coupled to the memory, the memory and the at least one processor configured to monitor for a tracking reference signal (TRS) during a period when a physical downlink shared channel (PDSCH) is received, the TRS not arriving when the PDSCH is not received. Claim: 30. The UE of claim 29, in which the TRS and the PDSCH overlap in time. Current International Class: 04; 04; 04

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TRACKING REFERENCE SIGNAL (TRS) FOR IDLE MODE USER EQUIPMENT (UE)