{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9854480","patent":{"patent_number":"US-9854480","title":"Method for selecting long term evolution LTE network and device","assignee":null,"inventors":[],"filing_date":"2016-06-29T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04W","H04W","H04W","H04W","H04W"],"num_claims":18,"abstract":"The present invention relates to the field of communications technologies and discloses a method for selecting an LTE network and a device, so as to ensure continuity of a PS service, avoid unnecessary inter-PLMN handover, and improve user experience. The method mainly includes: acquiring, by an MSC/VLR, an identity of an LTE PLMN in which UE is registered, where the MSC/VLR is an MSC/VLR after the UE falls back to a 2G/3G network because of performing a CS service; and sending, by the MSC/VLR, a notification message to the UE, where the notification message includes the identity of the LTE PLMN, which is used to indicate the LTE PLMN that the UE returns to, and the LTE PLMN is used as a registered PLMN in the 2G/3G network. Embodiments of the present invention are mainly used in a process of fallback to an LTE network after a CSFB service ends."},"analysis":{"summary":"The Method for Selecting Long Term Evolution Lte Network and Device patent introduces a method for ensuring seamless network transitions between LTE and 2G/3G networks, particularly in Circuit Switched Fallback (CSFB) scenarios. The core innovation involves the MSC/VLR acquiring the identity of the LTE PLMN in which the User Equipment (UE) is registered and sending a notification message to the UE, guiding it to return to the correct LTE network after a CS service. This approach solves the problem of unnecessary inter-PLMN handovers, which can lead to service disruptions and increased signaling overhead. The technology offers significant business value by improving user experience, enhancing network efficiency, and reducing operational costs for mobile network operators (MNOs). The market opportunity lies in the growing demand for seamless connectivity and the need for efficient network management in the era of 5G and beyond. This patent provides a practical and effective solution for optimizing mobile network performance and delivering a superior user experience.","layman_explanation":"1. What Problem Does This Solve?\nModern smartphones seamlessly switch between different types of mobile networks (like 4G LTE and older 2G/3G networks) to make calls and use data. A common issue arises when your phone temporarily uses an older network for a voice call and then tries to reconnect to the faster LTE network. Without a proper system, your phone might connect to the wrong LTE network, leading to dropped calls, slower internet speeds, and a generally frustrating experience. Existing solutions often fail to ensure a smooth and reliable reconnection to the optimal LTE network.\n\n2. How Does It Work?\nThis patent introduces a smart system that acts like a GPS for your phone's network connection. When your phone uses an older network for a call, the system remembers the specific LTE network you were previously connected to. After the call, the system guides your phone back to that exact same LTE network. It's like having a designated route that ensures you always end up in the right place. This is achieved by the mobile network infrastructure (specifically, a component called MSC/VLR) identifying and communicating the correct LTE network information to your phone.\n\n3. Why Does This Matter?\nThis technology has a significant impact on the mobile experience. By ensuring a seamless reconnection to the optimal LTE network, it minimizes dropped calls, maximizes internet speeds, and improves overall network reliability. For mobile network operators, this translates to happier customers, reduced support costs, and a more efficient network. The market opportunity is substantial, as seamless connectivity is a critical requirement for modern mobile users. The competitive advantage lies in providing a superior and more reliable mobile experience compared to existing solutions.\n\n4. What's Next?\nThe future applications of this technology extend beyond simply reconnecting to LTE after a voice call. It can be applied to various scenarios where seamless network transitions are required, such as when moving between different geographical areas or when switching between different network technologies (like 5G). The market adoption timeline is expected to be relatively quick, as mobile network operators are constantly seeking ways to improve network performance and user experience. Investment implications include opportunities for companies that develop and implement this technology.","technical_analysis":"The Method for Selecting Long Term Evolution Lte Network and Device patent focuses on optimizing the network reselection process after a CSFB (Circuit Switched Fallback) event. The technical architecture involves the MSC/VLR (Mobile Switching Center/Visitor Location Register) playing a central role in identifying and communicating the correct LTE PLMN (Public Land Mobile Network) to the UE (User Equipment). Implementation requires modifications to the MSC/VLR software to enable the acquisition and transmission of the LTE PLMN identity. The UE software also needs to be updated to receive and process the notification message. The algorithm involves a lookup process within the MSC/VLR to determine the originally registered LTE PLMN. This information is then encapsulated in a signaling message and sent to the UE. The UE uses this information to prioritize the correct LTE network during the reselection process. Integration with existing network infrastructure is crucial, and the patent is designed to be compatible with standard signaling protocols. Performance characteristics include reduced handover latency, decreased signaling overhead, and improved network stability. Code-level implications involve modifications to the network stack and signaling protocols. The technology improves the overall performance and reliability of mobile networks.","business_analysis":"The Method for Selecting Long Term Evolution Lte Network and Device patent addresses a significant market opportunity in the mobile network management space. The increasing demand for seamless connectivity and the growing complexity of heterogeneous networks create a need for efficient and reliable network reselection mechanisms. The invention offers several competitive advantages, including improved user experience, reduced operational costs, and enhanced network efficiency. The revenue potential lies in licensing the technology to mobile network operators (MNOs) and equipment manufacturers. The business model can be based on per-device licensing or a subscription-based model. Strategic positioning involves partnering with key players in the mobile network ecosystem. ROI projections indicate a significant return on investment due to the cost savings associated with reduced handovers and improved network performance. This technology is expected to have a positive impact on the mobile communications market.","faqs":null,"topics":["LTE network selection","CSFB","inter-PLMN handover","mobile network optimization","user experience"],"tech_cluster":null},"seo":{"title":"Method for Selecting Long Term Evolution Lte Network and Device - Patent US-9854480","description":"Discover how Method for Selecting Long Term Evolution Lte Network and Device ensures seamless LTE network reselection after CSFB. Full patent analysis, claims, and benefits.","keywords":["LTE network selection","CSFB","inter-PLMN handover","mobile network optimization","user experience","patent","patent US-9854480"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9854480","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9854480","citation_suggestion":"Patentable. \"Method for selecting long term evolution LTE network and device\" (US-9854480). https://patentable.app/patents/US-9854480","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9854480","json":"https://patentable.app/api/llm-context/US-9854480","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:43:18.302Z"}