{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9854583","patent":{"patent_number":"US-9854583","title":"Method and apparatus for providing downlink control information in an MIMO wireless communication system","assignee":null,"inventors":[],"filing_date":"2015-07-13T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04W","H04B","H04B","H04B","H04L","H04L","H04L","H04B","H04B","H04B"],"num_claims":12,"abstract":"The present invention relates to a method in which a user equipment receives a downlink signal from a base station in a wireless communication system that supports downlink mimo transmission according to one embodiment of the present invention comprises: receiving downlink control information that includes information indicative of the number of layers (n, 1≦n≦8) where one or two enabled code words of the downlink mimo transmission are mapped; on the basis of the downlink control information, receiving downlink data transmitted over the respective n layers and a ue-specific reference signal for each of the n layers; and decoding the downlink data on the basis of the ue-specific reference signals, wherein the information indicative of the number of layers can further include information on a code for identifying the ue-specific reference signals."},"analysis":{"summary":"The Method and Apparatus for Providing Downlink Control Information in an Mimo Wireless Communication System patent addresses the challenge of efficiently managing downlink data transmission in wireless communication systems, particularly those employing Multiple-Input Multiple-Output (MIMO) technology. The core innovation lies in a method for transmitting downlink control information that includes information indicative of the number of layers used in the downlink MIMO transmission and UE-specific reference signals for each layer. The problem being solved is the inefficient allocation of resources and suboptimal data decoding in traditional MIMO systems, which leads to reduced network capacity and a degraded user experience.\n\nThe key technical approach involves dynamically adjusting the number of layers based on channel conditions and UE capabilities. This optimization maximizes throughput and minimizes interference, resulting in improved network performance. The use of UE-specific reference signals enables more accurate data decoding, further enhancing the efficiency of the system. The business value and applications of this technology are significant. By improving network capacity and data transmission rates, it enables telecommunications providers to meet the growing demands on their infrastructure. It also facilitates the deployment of advanced wireless services, such as augmented reality, virtual reality, and autonomous vehicles. The market opportunity for this technology is substantial, as the demand for faster and more reliable wireless communication continues to grow. The Method and Apparatus for Providing Downlink Control Information in an Mimo Wireless Communication System provides a foundation for supporting higher data rates, lower latency, and increased network capacity, making it a valuable asset for the future of wireless communication.","layman_explanation":"The Method and Apparatus for Providing Downlink Control Information in an Mimo Wireless Communication System patent addresses a key challenge in modern wireless communication: how to efficiently send data from a cell tower to your phone or other device, especially when many people are using the network at the same time.\n\n**1. What Problem Does This Solve?**\nImagine a highway with many cars trying to reach their destinations. If there are no traffic rules, cars will crash, and everyone will move slowly. Similarly, in wireless communication, the cell tower needs to send data to many devices simultaneously. Without a smart way to manage this data flow, the network becomes congested, leading to slower speeds and unreliable connections. Existing solutions often fall short because they don't dynamically adjust to the changing conditions of the network or the specific needs of each device.\n\n**2. How Does It Work?**\nThis patent is like a smart traffic management system for wireless data. It works by doing two main things. First, it figures out the best way to divide the data into multiple \"lanes\" or layers, depending on how good the connection is between the cell tower and each device. If a device has a strong connection, it can use more lanes to receive data faster. Second, it uses special \"reference signals\" that are unique to each device. These signals help the device to accurately decode the data it receives, even if there's a lot of interference or noise. Think of it like giving each car a unique GPS signal that helps it stay on course, even in bad weather.\n\n**3. Why Does This Matter?**\nThis technology has a significant impact on the performance of wireless networks. By dynamically allocating resources and using UE-specific reference signals, it improves network capacity, increases data transmission rates, and reduces interference. This translates to faster downloads, smoother streaming, and more reliable connections for users. For businesses, this means increased productivity and the ability to support new applications that require high bandwidth and low latency. The potential ROI is substantial, as telecommunications providers can use this technology to improve their network performance and attract more customers.\n\n**4. What's Next?**\nThe Method and Apparatus for Providing Downlink Control Information in an Mimo Wireless Communication System is expected to play a key role in the deployment of 5G and future wireless networks. As wireless technology continues to evolve, this innovation provides a foundation for supporting even higher data rates and lower latency. The market adoption timeline will depend on the willingness of telecommunications providers to upgrade their network infrastructure. However, given the increasing demand for wireless data, it is likely that this technology will be widely adopted in the coming years. The investment implications are significant, as companies that develop and implement this technology stand to gain a competitive advantage in the rapidly growing wireless communication market.","technical_analysis":"The Method and Apparatus for Providing Downlink Control Information in an Mimo Wireless Communication System patent introduces a novel approach to downlink control information management in MIMO wireless communication systems. The technical architecture centers around a base station transmitting downlink control information to user equipment (UE). This information includes the number of layers (n, where 1 ≤ n ≤ 8) to which one or two enabled code words of the downlink MIMO transmission are mapped. Crucially, the invention specifies the inclusion of UE-specific reference signals for each of these n layers. Implementation involves the base station dynamically determining the optimal number of layers based on channel conditions and UE capabilities. This determination informs the downlink control information sent to the UE. The UE then uses this information, along with the UE-specific reference signals, to decode the downlink data transmitted over the respective n layers. Algorithmically, the system likely employs channel estimation techniques to determine the optimal number of layers and to generate the UE-specific reference signals. The performance characteristics are heavily dependent on the accuracy of these channel estimations and the efficiency of the downlink control information transmission. Integration patterns would involve modifications to existing base station and UE software and hardware to support the new downlink control information format and the UE-specific reference signal generation and processing. Code-level implications include the need for new APIs and data structures to handle the downlink control information and reference signals. This technology has the potential to significantly improve network capacity and data transmission rates in MIMO wireless communication systems.","business_analysis":"The Method and Apparatus for Providing Downlink Control Information in an Mimo Wireless Communication System patent presents a significant market opportunity within the telecommunications industry. The increasing demand for higher data rates and lower latency, driven by applications such as video streaming, online gaming, and IoT devices, necessitates more efficient use of wireless spectrum. This technology directly addresses this need by optimizing downlink data transmission in MIMO systems.\n\nThe competitive advantages offered by this innovation include improved network capacity, enhanced data transmission rates, and reduced interference. These advantages translate to a better user experience, which can lead to increased customer loyalty and higher revenue for telecommunications providers. The business model for this technology could involve licensing the patent to telecommunications equipment manufacturers or offering it as part of a software upgrade for existing base stations. Strategic positioning would involve targeting telecommunications providers who are looking to upgrade their networks to meet the growing demand for data. The revenue potential for this technology is substantial, given the size of the telecommunications market and the increasing demand for faster and more reliable wireless communication. ROI projections would depend on the licensing fees or software upgrade costs, as well as the potential for increased revenue due to improved network performance and customer satisfaction. Overall, the Method and Apparatus for Providing Downlink Control Information in an Mimo Wireless Communication System patent represents a valuable investment opportunity within the telecommunications industry.","faqs":null,"topics":["MIMO wireless communication","downlink control information","UE-specific reference signals","5G technology","data transmission efficiency"],"tech_cluster":null},"seo":{"title":"Method and Apparatus for Providing Downlink Control Information in an Mimo Wireless Communication System - Patent US-9854583","description":"Explore the Method and Apparatus for Providing Downlink Control Information in an Mimo Wireless Communication System patent, enhancing downlink data transmission in MIMO wireless systems.","keywords":["MIMO wireless communication","downlink control information","UE-specific reference signals","5G technology","data transmission efficiency","patent","patent US-9854583"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9854583","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-9854583","citation_suggestion":"Patentable. \"Method and apparatus for providing downlink control information in an MIMO wireless communication system\" (US-9854583). https://patentable.app/patents/US-9854583","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9854583","json":"https://patentable.app/api/llm-context/US-9854583","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:23:10.752Z"}