{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9854490","patent":{"patent_number":"US-9854490","title":"Rank indicator inheritance for subframe restricted channel state information reporting","assignee":null,"inventors":[],"filing_date":"2013-12-12T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04W","H04B","H04B","H04B","H04J","H04L","H04L","H04L","H04L","H04L","H04L","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04B","H04L","H04W","H04W","H04W","H04W"],"num_claims":24,"abstract":"Generally, this disclosure provides devices, systems and methods for subframe restricted Channel State Information (CSI) reporting with Rank Indicator (RI) inheritance. A User Equipment (UE) device may include an RI generation module to generate RIs based on a received CSI configuration from an evolved Node B (eNB) of a serving cell of the UE. The UE may also include an RI Reference Process CSI generation module to generate a first Reference CSI including a first selected RI of the generated RIs, the first selection based on a first subframe set of the received CSI configuration, and to generate a second Reference CSI including a second selected RI of the generated RIs, the second selection based on a second subframe set of the received CSI configuration. The UE may further include a Linked Process CSI generation module to generate a linked CSI including an inherited RI from the first Reference CSI."},"analysis":{"summary":"The Rank Indicator Inheritance for Subframe Restricted Channel State Information Reporting patent addresses the challenge of efficiently reporting channel state information (CSI) in wireless communication systems, particularly in subframe-restricted scenarios. The core innovation lies in inheriting rank indicator (RI) information across different subframes to minimize redundant reporting and reduce overhead. This patent solves the problem of resource-intensive CSI reporting, which can consume valuable network resources and degrade network performance. The key technical approach involves generating RIs based on a received CSI configuration from an evolved Node B (eNB), generating Reference CSI with selected RIs based on subframe sets, and generating linked CSI with inherited RIs from the Reference CSI. This approach reduces the amount of data the user equipment (UE) needs to transmit, freeing up network resources and improving overall efficiency.\n\nThe business value of this technology stems from its ability to enhance network capacity, reduce latency, and improve the user experience. By optimizing CSI reporting, network operators can support more users and services with the same infrastructure. The market opportunity lies in the growing demand for mobile data and the need for more efficient wireless communication systems. This patent is particularly relevant in the context of 5G and beyond, where ultra-reliable and low-latency communication (URLLC) is essential for applications such as augmented reality (AR), virtual reality (VR), and autonomous driving. The adoption of this technology can lead to cost savings for network operators and increased revenue opportunities.\n\nThe Rank Indicator Inheritance for Subframe Restricted Channel State Information Reporting patent represents a significant advancement in wireless communication. By addressing the challenge of efficient CSI reporting, this technology paves the way for more efficient and reliable wireless networks. The potential applications of this patent are vast, ranging from improved mobile broadband to enhanced IoT connectivity. The market opportunity for this technology is substantial, driven by the ever-increasing demand for mobile data and the need for more efficient wireless communication systems.","layman_explanation":"The Rank Indicator Inheritance for Subframe Restricted Channel State Information Reporting patent focuses on improving the efficiency of wireless communication, particularly in cellular networks. To understand the problem it solves, consider how your smartphone communicates with a cell tower. Your phone constantly sends information about the quality of the connection, known as Channel State Information (CSI), so the tower can adjust its signal for optimal performance. However, sending this information frequently consumes valuable network resources and can slow down data transmission.\n\nThe solution offered by this patent is a technique called Rank Indicator (RI) inheritance. Instead of sending the complete CSI report every time, the phone only transmits the changes or updates since the last report. It 'inherits' the previous information, reducing the amount of data that needs to be sent. Think of it like updating a document – you only send the revised sections, not the entire file.\n\nThis matters because it frees up network resources, leading to faster data speeds, lower latency (the delay in data transfer), and a better overall user experience. For businesses, this translates to improved productivity, seamless video conferencing, and reliable access to cloud-based applications. For network operators, it means increased network capacity, reduced operational costs, and the ability to support more users and services. The technology is particularly relevant as 5G networks roll out, which require ultra-fast and reliable communication for applications like augmented reality and autonomous vehicles.\n\nLooking ahead, this technology could be further refined to adapt to different network conditions and user needs. As wireless networks become more complex and data demands continue to grow, innovations like this will be crucial for maintaining optimal performance and delivering a seamless user experience. The potential for further investment and development in this area is significant, offering opportunities for both technology companies and network operators.","technical_analysis":"The Rank Indicator Inheritance for Subframe Restricted Channel State Information Reporting patent introduces a novel approach to optimize channel state information (CSI) reporting in wireless communication systems. The technical architecture revolves around the user equipment (UE) and the evolved Node B (eNB), with specific modules responsible for generating, selecting, and inheriting rank indicator (RI) information. The UE includes an RI generation module that generates RIs based on a received CSI configuration from the eNB. This module is responsible for determining the appropriate rank indicator values based on the channel conditions.\n\nThe implementation details involve the RI Reference Process CSI generation module, which generates a first Reference CSI including a first selected RI based on a first subframe set of the received CSI configuration, and generates a second Reference CSI including a second selected RI based on a second subframe set of the received CSI configuration. The selection of RIs is based on specific subframe sets, allowing for different reporting configurations for different subframes. The Linked Process CSI generation module then generates a linked CSI including an inherited RI from the first Reference CSI. This inheritance mechanism reduces the amount of data that needs to be transmitted, improving overall efficiency.\n\nThe algorithm specifics involve determining the temporal correlation of CSI to identify opportunities for RI inheritance. The system analyzes the channel conditions over time to determine whether the RI information from a previous subframe can be reused in a subsequent subframe. This requires careful consideration of the channel dynamics and the potential for errors due to outdated information. The integration patterns involve modifying the existing CSI reporting protocols to incorporate the RI inheritance mechanism. This requires changes to both the UE and the eNB to support the new functionality.\n\nThe performance characteristics of this technology are dependent on the channel conditions and the specific implementation parameters. In scenarios where CSI changes slowly over time, the RI inheritance mechanism can significantly reduce overhead and improve throughput. However, in scenarios where CSI changes rapidly, the benefits may be limited. The code-level implications involve modifying the UE and eNB software to implement the RI generation, selection, and inheritance algorithms. This requires careful attention to detail to ensure that the new functionality is implemented correctly and does not introduce any new bugs or vulnerabilities. The overall goal is to optimize CSI reporting while minimizing the impact on existing system functionality.","business_analysis":"The Rank Indicator Inheritance for Subframe Restricted Channel State Information Reporting patent presents a significant business opportunity within the wireless communication industry. The market opportunity size is substantial, driven by the ever-increasing demand for mobile data and the need for more efficient wireless networks. The competitive advantages of this technology stem from its ability to optimize CSI reporting, reduce latency, and improve network capacity. This allows network operators to support more users and services with the same infrastructure, leading to increased revenue potential.\n\nThe business models that can be built around this technology include licensing the patent to wireless equipment manufacturers, providing consulting services to network operators, and developing software solutions that implement the RI inheritance mechanism. The strategic positioning of this technology is to be a key enabler of 5G and beyond, where ultra-reliable and low-latency communication (URLLC) is essential for applications such as augmented reality (AR), virtual reality (VR), and autonomous driving.\n\nThe ROI projections for this technology are highly dependent on the market adoption rate and the licensing fees that can be charged. However, given the potential for significant cost savings and revenue generation, the ROI is expected to be substantial. The adoption of this technology can lead to cost savings for network operators by reducing the overhead associated with CSI reporting. This frees up resources to support more users and services, leading to increased profitability. The revenue potential of this technology comes from licensing fees, consulting services, and software solutions. Wireless equipment manufacturers can incorporate the RI inheritance mechanism into their products, increasing their competitiveness in the market. Network operators can use this technology to improve network performance and attract more customers. The overall business impact of this patent is expected to be positive, contributing to the growth and innovation of the wireless communication industry.","faqs":null,"topics":["wireless communication","channel state information","rank indicator","5G","patent"],"tech_cluster":null},"seo":{"title":"Rank Indicator Inheritance - Wireless Patent US-9854490","description":"Optimize wireless data transmission with Rank Indicator Inheritance for Subframe Restricted Channel State Information Reporting. Full patent analysis, claims, and more.","keywords":["wireless communication","channel state information","rank indicator","5G","patent","patent US-9854490"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9854490","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-9854490","citation_suggestion":"Patentable. \"Rank indicator inheritance for subframe restricted channel state information reporting\" (US-9854490). https://patentable.app/patents/US-9854490","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9854490","json":"https://patentable.app/api/llm-context/US-9854490","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T05:47:28.507Z"}