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Samsung patents method for managing multiple 5G signal points during connection

This patent describes a method for a phone to connect to a 5G or 6G network that uses multiple signal points, known as TRPs, instead of a single tower. The phone identifies which specific point to use for sending a connection request and which point to listen to for the network's response. It ensures the device knows exactly where to send and receive data during the initial handshake process.

Why it mattersThis improves how phones maintain stable connections in dense 5G networks by clarifying how devices interact with multiple nearby signal sources.

In the filing’s own words

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments are directed to a method for managing multiple TRPs during RACH procedure within a multi-TRP system in a communication network. The method includes detection, by a UE ( 100), presence of the multi-TRP system serving in at least one of downlink and uplink and determining, by the UE ( 100), a first TRP serving in the downlink or the uplink, for transmission of a Random Access Preamble. The method includes determining, by the UE ( 100), a second TRP for monitoring a reception of a RAR and receiving, by the UE ( 100), the RAR on third TRP and determining, by the UE ( 100), a fourth TRP for scheduling PUSCH transmission by a UL grant of the RAR. The method also includes determining, by the UE ( 100), a fifth TRP for monitoring a reception of a contention resolution message and receiving, by the UE ( 100), the contention resolution message on a sixth TRP.

What exactly they claim (claim 1)

1. A method performed by a user equipment (UE) in a communication system, the method comprising: identifying presence of multiple transmission and reception points (TRPs) (multi-TRP) system serving in at least one of downlink (DL) and uplink (UL); identifying at least one first TRP of a plurality of TRPs serving in at least one of the DL and the UL, for transmission of a random access preamble; identifying at least one second TRP of the plurality of TRPs for monitoring reception of a random access response (RAR); receiving the RAR from at least one third TRP; identifying at least one fourth TRP of the plurality of TRPs for scheduling physical uplink shared channel (PUSCH) transmission by a UL grant of the RAR; identifying at least one fifth TRP of the plurality of TRPs for monitoring reception of a contention resolution message; and receiving the contention resolution message from at least one sixth TRP.

Facts

Company
Samsung (Samsung Electronics Co., Ltd.)
Official title
Method and apparatus for managing multiple TRPS during RACH procedure in communication network
Patent number
US12745292B2
Application number
18832802
Filed
Apr 4, 2023
Granted
Sep 22, 2026
Inventors
3
Claims
15

Classified under

H04W 74/0841 Electricity & electronicsH04W 24/08 Electricity & electronicsH04W 72/1268 Electricity & electronicsH04W 74/04 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.