# How Phones Switch to Better Cell Towers Seamlessly > Samsung's 2023 patent on a smarter way for phones to switch to new cell towers, called TRPs, by comparing their settings to ensure a smooth connection. - **Patent:** US 11689977 - **Original title:** Method and system to handle handover procedure in multi TRP system - **Owner:** Samsung Electronics Co - **Granted:** 2023 - **Status:** Active - **Times cited:** 2 - **Field:** telecommunications, consumer_electronics, software ## What it does This patent describes a method for a phone (UE) to switch to a new cell tower (TRP) without dropping its connection, a process called handover. The phone's current tower (source node) first picks a few potential new towers for the phone to consider. The phone then sends a report about its signal strength to these towers. The source node uses this report to decide if a switch is needed. Crucially, before switching, it compares its own internal settings with those of the potential new tower. This comparison can happen at different technical levels (like Layer 2 or Layer 3). If the settings are similar, a quicker, lower-level switch (Layer 2) is triggered, possibly just sending a TRP ID. If they are different, a more involved higher-level switch (Layer 3) is initiated, which might include sending more configuration details. The goal is to make this switch as smooth as possible for the user. ## What it does NOT cover - Does not cover switching to a new tower without the phone first sending a measurement report. - Does not cover switching to a new tower without comparing the configurations of the old and new towers. - Does not cover switching to a new tower if the phone's current tower does not determine a trigger for the handover. - Does not cover switching that relies solely on signal strength without considering technical configurations. - Does not cover the phone initiating the handover process itself without a report to the source node. ## The clever bit The key innovation is comparing the technical configurations of the source and target TRPs before initiating a handover. This allows the system to choose the most efficient handover method (Layer 2 vs. Layer 3) based on how compatible the towers are, minimizing disruption. ## Real-world examples 1. Modern 5G smartphone handover procedures 2. Cellular network infrastructure for 5G and beyond ## Why it matters As mobile networks evolve to use more, smaller transmission points (TRPs) instead of large cells, ensuring seamless connections during handovers is critical for user experience. This patent addresses that challenge by providing a more intelligent and efficient handover process, particularly relevant for 5G and future wireless systems. ## Frequently asked questions ### What does How Phones Switch to Better Cell Towers Seamlessly cover? Samsung's 2023 patent on a smarter way for phones to switch to new cell towers, called TRPs, by comparing their settings to ensure a smooth connection. ### Who owns patent US 11689977? Samsung Electronics Co owns this patent, granted in 2023. ### When does this patent expire? This patent is expected to expire on April 20, 2041, when the invention enters the public domain. ### What is patent US 11689977 cited by? This patent has been cited by 2 later patents that build on its ideas. ### What problem does this patent solve? As mobile networks evolve to use more, smaller transmission points (TRPs) instead of large cells, ensuring seamless connections during handovers is critical for user experience. This patent addresses that challenge by providing a more intelligent and efficient handover process, particularly relevant for 5G and future wireless systems. ### What does this patent NOT cover? Does not cover switching to a new tower without the phone first sending a measurement report. **Full plain-English explainer:** https://patentbrief.org/patent/us/11689977/method-and-system-to-handle-handover-procedure-in-multi-trp-system **Original patent:** https://patents.google.com/patent/US11689977 --- _Source: PatentBrief — https://patentbrief.org. Patent facts are from public records; the plain-English explanation is PatentBrief's._ ## Related patents Semantically similar inventions in the PatentBrief corpus: - [How 5G Networks Intelligently Switch Your Phone's Connection Beams](https://patentbrief.org/patent/us/12231284/network-architecture-methods-and-devices-for-a-wireless-communications-network) — This patent describes how a 5G network efficiently manages and switches the directional radio signals (beams) your phone uses, especially when needing to look beyond its current cell tower. - [How Cellular Networks Reconfigure Without Dropping Your Call](https://patentbrief.org/patent/us/12739717/cellular-telecommunications-network) — This patent describes a method for cellular networks to intelligently reconfigure parts of their system by temporarily moving users to a different connection, aiming to minimize disruption and improve service during updates or changes. - [How Early Cell Phones Handled Calls Across Different Towers](https://patentbrief.org/patent/us/3906166/cellular-mobile-phone-radio-telephone) — This patent describes a system for early portable phones to automatically find the strongest signal from a base station and switch channels as the user moves, reducing battery drain and interference. - [How Phones and Towers Use AI to Improve Wireless Signal Quality](https://patentbrief.org/patent/us/12506552/method-and-apparatus-for-estimating-channel-in-wireless-communication-system) — This patent describes how a mobile phone and a base station work together, using machine learning, to accurately measure and predict the quality of the wireless connection, making communication more reliable. - [How Phones and Base Stations Talk Using Twisting Radio Waves](https://patentbrief.org/patent/us/11974263/method-of-using-orbital-angular-momentum-in-a-wireless-communication-system-and-) — LG's patent describes a method for a mobile device to tell a base station which specific "twisting" radio wave patterns it can best receive, helping improve wireless communication.