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Apple patents 5G signal timing tweaks for multi-antenna setups

This filing describes a method for 5G devices to tell the network they can handle signal delays larger than the standard 'cyclic prefix' limit. The device then adjusts how it reports which antenna beams are working best to the base station.

Why it mattersIt improves how 5G networks manage signal timing for devices connected to multiple antenna points, which is a routine technical optimization for network efficiency.

In the filing’s own words

Apparatuses, systems, and methods for supporting beyond cyclic prefix (CP) maximum receive time difference (MRTD) for multiple transmit-receive point (mTRP) configurations, e.g., in 5G NR systems and beyond. A UE may report, to a network (e.g., to a base station of a network, that the UE supports an MRTD greater than a CP network setting. The report may be sent via at least one of a medium access control (MAC) control element (CE), a physical random access channel (PRACH) resource, or radio resource control (RRC) signaling. The UE may be configured to receive, from the network, a group-based beam reporting configuration, e.g., based on the UE's support of MRTD greater than CP. Further, the UE may be configured to adopt, based on the group-based beam reporting configuration, a beam reporting criterion based on the UE's support of MRTD greater than CP.

What exactly they claim (claim 1)

1. A method for wireless communication between a user equipment device (UE) and a network, comprising: reporting, to the network, that the UE supports a maximum receive time difference (MRTD) greater than a cyclic prefix (CP) network setting; receiving, from the network, a group-based beam reporting configuration, wherein the group-based beam reporting configuration is based on the UE's support of MRTD greater than CP; and adopting, based on the group-based beam reporting configuration, a beam reporting criterion based on the UE's support of MRTD greater than CP.

Facts

Company
Apple (Apple Inc.)
Official title
Supporting Beyond Cyclic Prefix Maximum Receive Time Difference for Multiple Transmit-Receive Point Configurations
Publication number
US20260291601A1
Application number
19475560
Filed
May 9, 2024
Published
Sep 24, 2026
Inventors
7
Claims
27

Classified under

H04B 7/088 Electricity & electronicsH04B 17/328 Electricity & electronicsH04B 17/346 Electricity & electronicsH04L 27/2605 Electricity & electronicsH04W 72/231 Electricity & electronicsH04W 72/51 Electricity & electronics
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.