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Samsung patents faster cell switching for 5G phones

Samsung describes a method where phones measure nearby cell signals using specific reference signals to check signal strength and quality. The phone reports these measurements to the network, which then sends a low-level signal to switch the connection to a better cell without waiting for higher-level commands.

Why it mattersThis improves how quickly a phone can switch between cell towers, potentially reducing lag for users moving through areas with multiple signal sources.

In the filing’s own words

Methods and apparatuses for L1/L2 mobility control in a wireless communication system. A method of a UE comprises receiving, from a BS, a message including L1/L2 mobility configuration information. The method includes measuring, based on a CSI-RS received from at least one candidate cell of candidate BS, L1-reference signal received power (L1-RSRP), L1-reference signal received quality (L1-RSRQ), and L1-signal to interference and noise ratio (L1-SINR) of the at least one candidate cell. The method includes reporting the L1-RSRP, the L1-RSRQ, and the L1-SINR of the at least one candidate cell. The method further includes receiving an L1/L2 signal to trigger a handover (HO) operation to the target cell, wherein the L1/L2 signal includes a transmission configuration indicator (TCI) state switch to the target cell.

What exactly they claim (claim 1)

1. A user equipment (UE) in a wireless communication system, the UE comprising: a transceiver configured to receive, from a serving base station (BS), a message including layer 1/layer 2 (L1/L2) mobility configuration information; and a processor operably coupled to the transceiver, the processor configured to: measure, based on a channel status information-reference signal (CSI-RS) received from at least one candidate cell of candidate BS, L1-reference signal received power (L1-RSRP), L1-reference signal received quality (L1-RSRQ), and L1-signal to interference and noise ratio (L1-SINR) of the at least one candidate cell, wherein the transceiver is further configured to: report the L1-RSRP, the L1-RSRQ, and the L1-SINR of the at least one candidate cell, and receive an L1/L2 signal to trigger a handover (HO) operation to a target cell, the L1/L2 signal including a transmission configuration indicator (TCI) state switch to the target cell.

Facts

Company
Samsung (Samsung Electronics Co., Ltd.)
Official title
METHOD AND APPARATUS FOR L1/L2-BASED INTER-CELL MOBILITY
Publication number
US20260304243A1
Application number
19677827
Filed
May 14, 2026
Published
Oct 1, 2026
Inventors
2
Claims
20

Classified under

H04W 36/0058 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.