{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9854511","patent":{"patent_number":"US-9854511","title":"Cell search and connection procedures in a cellular communication device","assignee":null,"inventors":[],"filing_date":"2014-12-01T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04W","H04J","H04W","H04W"],"num_claims":17,"abstract":"A cell-search method for a cellular communication device capable of communicating via a first radio-access technology, RAT, in a first frequency band, and via a second RAT in a second frequency band, which is in a higher frequency region than the first frequency band is disclosed. The method comprises performing a first cell search in the first frequency band in order to detect a first cell of the first RAT. The method further comprises, if such a first cell is detected, synchronizing to the first cell, without registering to the first cell, determining a reference frequency error estimate between a local reference frequency of the cellular communication device and reference frequency of the first cell, and thereafter performing a second cell search, based on the reference frequency error estimate, in the second frequency band to detect a second cell of the second RAT. A corresponding cellular communication device, computer program product, and computer-readable medium are also disclosed."},"analysis":{"summary":"The Cell Search and Connection Procedures in a Cellular Communication Device patent addresses the challenge of efficiently locating and connecting to cellular networks in complex environments. The core innovation lies in using a reference frequency error estimate from a lower frequency band to accelerate the search for cells in a higher frequency band. This approach reduces the time and power consumption required to establish a connection, improving user experience and extending battery life.\n\nThe problem being solved is the increasing complexity of cellular environments, with multiple radio access technologies (RATs) and frequency bands in use. Traditional cell search methods can be slow and inefficient, leading to connection delays and increased power consumption. The patent details a technical approach where the device first searches for a cell using a well-established RAT in a lower frequency band. Once a cell is detected, the device synchronizes with it to estimate the frequency error. This estimate is then used to expedite the search for a cell in a higher frequency band using a different RAT.\n\nThe business value and applications of this technology are significant. Faster cell search and connection times translate directly to improved user satisfaction. Moreover, the reduced power consumption extends battery life, a crucial factor for mobile devices. The market opportunity for this innovation is substantial, as it addresses a critical need in the rapidly growing cellular communication industry. This system is particularly valuable for IoT devices and the deployment of new cellular networks. It provides a solution to the issues brought by complex cellular environments.","layman_explanation":"The Cell Search and Connection Procedures in a Cellular Communication Device patent addresses a common frustration: slow and unreliable cell connections. In today's world, we rely heavily on our mobile devices for communication, work, and entertainment. When our devices struggle to connect to a cellular network, it can disrupt our lives and impact our productivity.\n\nExisting solutions for cell search often fall short because they can be slow and inefficient, especially in complex cellular environments with multiple radio access technologies and frequency bands. This can lead to connection delays, dropped calls, and increased battery consumption. The current methods often involve scanning a wide range of frequencies, which can be time-consuming and power-intensive.\n\nThis patent provides a more efficient approach to cell search by leveraging information from a lower frequency band to accelerate the search in a higher frequency band. Imagine you're trying to find a specific radio station. Instead of randomly tuning through the entire dial, you first find a known station on a lower frequency and then use that as a reference point to quickly find the desired station on a higher frequency. This patent works in a similar way, using a reference frequency error estimate to narrow the search range and speed up the connection process.\n\nThis innovation has significant market impact and opportunities. By improving cell search efficiency, it can enhance user experience, reduce battery consumption, and enable new applications. The competitive advantages include faster connection times, improved reliability, and extended battery life. The potential ROI and business value are substantial, as it can lead to increased user satisfaction, reduced operating costs, and new revenue streams.\n\nLooking ahead, this technology has the potential to be integrated into a wide range of devices and applications, from smartphones and tablets to IoT devices and autonomous vehicles. The market adoption timeline is likely to be driven by the increasing demand for faster and more reliable cellular connections, as well as the ongoing deployment of 5G networks. The investment implications are significant, as this innovation represents a valuable asset for companies in the cellular communication ecosystem.","technical_analysis":"The Cell Search and Connection Procedures in a Cellular Communication Device patent presents a method for optimizing cell search in cellular communication devices. The technical architecture involves using a reference frequency error estimate derived from a lower frequency band to accelerate the search process in a higher frequency band. This approach leverages the principle that frequency errors are often correlated across different frequency bands.\n\nThe implementation details involve several key steps: initial cell search in the lower frequency band, synchronization with the detected cell, calculation of the reference frequency error estimate, and subsequent search in the higher frequency band. The algorithm specifics include the use of synchronization signals to extract the necessary information from the detected cell, such as the cell ID and the reference frequency. The frequency error estimate is then calculated based on the difference between the device's local reference frequency and the cell's reference frequency.\n\nThe integration patterns involve seamless integration with existing cellular communication protocols and standards. The performance characteristics of this approach are significantly improved cell search times and reduced power consumption. Code-level implications include modifications to the cell search algorithms and the addition of new functions for calculating and applying the frequency error estimate. This patent can be found at https://patentable.app/patents/US-9854511.","business_analysis":"The Cell Search and Connection Procedures in a Cellular Communication Device patent presents a significant business opportunity in the cellular communication industry. The market opportunity size is substantial, as the demand for faster and more reliable cellular connections continues to grow. The competitive advantages of this technology include faster cell search times, reduced power consumption, and improved accuracy.\n\nThe revenue potential for this innovation is significant, as it can be licensed to mobile device manufacturers, network operators, and other companies in the cellular communication ecosystem. The business models include licensing fees, royalties, and potential acquisitions. The strategic positioning of this technology is strong, as it addresses a critical need in the rapidly evolving cellular landscape.\n\nThe ROI projections for this innovation are high, as it can lead to improved user satisfaction, reduced operating costs, and increased revenue. The market is projected to continue growing as more devices are added to cellular networks, creating ongoing demand for faster and more efficient connectivity. The Cell Search and Connection Procedures in a Cellular Communication Device patent offers a solution to the challenges presented by complicated cellular environments.","faqs":null,"topics":["cell search","cellular communication","5G","radio access technology","patent","search","connection","procedures"],"tech_cluster":null},"seo":{"title":"Cell Search & Connection Procedures - US-9854511","description":"Optimize cell search with this patent! Faster connections, less battery drain. Technical analysis, business impact, and key details.","keywords":["cell search","cellular communication","5G","radio access technology","patent","patent US-9854511","frequency band","network optimization","mobile device","battery life"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9854511","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-9854511","citation_suggestion":"Patentable. \"Cell search and connection procedures in a cellular communication device\" (US-9854511). https://patentable.app/patents/US-9854511","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9854511","json":"https://patentable.app/api/llm-context/US-9854511","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T10:30:28.674Z"}