{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853779","patent":{"patent_number":"US-9853779","title":"Systems and methods for carrier aggregation","assignee":null,"inventors":[],"filing_date":"2014-01-10T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04W"],"num_claims":12,"abstract":"A UE for performing carrier aggregation is described. The UE determines a duplex method of each serving cell for carrier aggregation. A primary cell is a FDD cell. When transmitting PDSCH HARQ-ACK information on a PUSCH or using a PUCCH format 3 in a later subframe, the UE generates two NACKs for a PDSCH transmission in an earlier subframe for a serving cell when a configured downlink transmission mode supports up to two transport blocks, the serving cell is a TDD cell and an earlier subframe is an uplink subframe for the serving cell. The UE further generates a single NACK for a PDSCH transmission in an earlier subframe for a serving cell when a configured downlink transmission mode supports a single transport block, the serving cell is a TDD cell and an earlier subframe is an uplink subframe for the serving cell."},"analysis":{"summary":"The Systems and Methods for Carrier Aggregation patent addresses the growing demand for higher data rates and efficient spectrum utilization in wireless communication systems. The core innovation lies in a sophisticated framework for managing and optimizing carrier aggregation in user equipment (UE), particularly in scenarios involving Frequency Division Duplexing (FDD) and Time Division Duplexing (TDD) cells. The patent focuses on improving the handling of Hybrid Automatic Repeat Request-Acknowledgement (HARQ-ACK) information, ensuring reliable data transmission even under challenging network conditions. This is achieved by dynamically aggregating multiple carrier frequencies, effectively increasing the available bandwidth and improving data throughput. The business value of this technology lies in its ability to enhance network capacity and user experience, enabling faster data rates, lower latency, and more reliable connections. This is particularly relevant for bandwidth-intensive applications such as video streaming, online gaming, and augmented reality. The market opportunity is significant, as mobile network operators seek to optimize their existing infrastructure and meet the ever-growing demands of modern wireless communication. By adopting this technology, network operators can gain a competitive edge in delivering superior user experiences and maximizing the efficiency of their spectrum resources. The advancements described in this patent represent a crucial step forward in meeting the demands of modern wireless communication systems, ensuring that user equipment can efficiently utilize available network resources, paving the way for a more connected and seamless mobile experience. This technology offers a flexible and adaptable solution for various network configurations and deployment scenarios, making it a valuable asset for network operators seeking to maximize the efficiency of their existing infrastructure.","layman_explanation":"The Systems and Methods for Carrier Aggregation patent addresses the problem of limited bandwidth and slow data speeds in wireless communication networks. As more people use smartphones and other mobile devices, and as applications like video streaming and online gaming become more popular, the demand for faster and more reliable internet connections continues to grow. Existing wireless networks often struggle to meet this demand, resulting in slow data speeds and a frustrating user experience. This technology solves this problem by combining multiple wireless channels into a single, faster connection. It's like adding more lanes to a highway – more lanes mean more cars can travel at the same time, resulting in less traffic and faster travel times. This approach works by allowing a mobile device to simultaneously use multiple frequency bands, effectively increasing the available bandwidth. This results in faster data speeds, lower latency (the time it takes for data to travel from one point to another), and a more reliable connection. The key to this technology is its ability to dynamically adapt to changing network conditions. The system can automatically adjust the number and type of channels used based on factors such as signal strength, interference, and network congestion. This ensures that the user always gets the best possible performance, even in challenging environments. This innovation matters because it has the potential to significantly improve the performance of wireless networks and enhance the user experience. By enabling faster data speeds and more reliable connections, this technology can unlock new opportunities for mobile applications and services. For example, it can enable smoother video streaming, more responsive online gaming, and more reliable IoT devices. The market impact of this technology could be significant. As the demand for faster and more reliable wireless connections continues to grow, this technology could become a key enabler of future mobile applications and services. Potential ROI and business value include increased customer satisfaction, reduced churn (the rate at which customers leave a service), and new revenue opportunities. The future applications of this technology are vast. As 5G and other advanced wireless technologies become more prevalent, this technology could play an even more important role in enabling faster and more reliable connections. Market adoption timeline will depend on factors such as regulatory approvals, technology standardization, and investment in network infrastructure. Investment implications include the potential for significant returns for companies that develop and deploy this technology.","technical_analysis":"The Systems and Methods for Carrier Aggregation patent presents a technical solution to improve wireless communication efficiency. The innovation centers around optimizing carrier aggregation techniques within user equipment (UE) to enhance data throughput and reliability. This involves sophisticated management of multiple carrier frequencies, especially in mixed FDD and TDD environments. A key component of this technology is the improved handling of Hybrid Automatic Repeat Request-Acknowledgement (HARQ-ACK) information. The system determines the duplex method of each serving cell, and when transmitting PDSCH HARQ-ACK information on a PUSCH or using a PUCCH format 3 in a later subframe, it generates specific NACKs based on the downlink transmission mode and cell type. Specifically, for TDD cells supporting up to two transport blocks, two NACKs are generated for a PDSCH transmission in an earlier subframe if that subframe is an uplink subframe for the serving cell. Conversely, for TDD cells supporting a single transport block, a single NACK is generated under the same conditions. This nuanced approach ensures robust error handling and reliable data transmission. Implementation of this system requires careful consideration of signal processing algorithms and protocols. The UE must accurately identify the duplex method of each serving cell and dynamically adjust its transmission parameters. Adaptive modulation and coding schemes are crucial for mitigating the effects of varying channel conditions. Integration with existing network infrastructure requires adherence to established standards and protocols. Performance is influenced by factors such as signal strength, interference levels, and multipath propagation. The code-level implications involve modifying existing communication stacks to incorporate the new HARQ-ACK generation and handling procedures. This may require updates to both the physical layer and the MAC layer of the communication protocol. The overall goal is to provide a more efficient and reliable wireless communication experience by optimizing the use of available spectrum resources and improving error handling mechanisms. This patent represents a significant step forward in addressing the challenges of modern wireless communication systems.","business_analysis":"The Systems and Methods for Carrier Aggregation patent holds significant commercial potential within the telecommunications industry. The technology addresses the critical need for increased data rates and efficient spectrum utilization in wireless networks. The market opportunity is substantial, driven by the exponential growth of mobile data consumption and the increasing demand for bandwidth-intensive applications such as video streaming, online gaming, and IoT devices. The competitive advantages offered by this patent include improved network capacity, reduced latency, and enhanced user experience. By optimizing carrier aggregation techniques, mobile network operators can deliver faster data rates and more reliable connections, giving them a competitive edge in the market. The revenue potential is significant, as network operators can leverage this technology to attract and retain subscribers, as well as offer new services and applications that require high bandwidth. Business models can include licensing the technology to mobile network operators and equipment manufacturers, as well as offering managed services that incorporate the technology. Strategic positioning involves partnering with key players in the telecommunications ecosystem, such as infrastructure providers and device manufacturers. ROI projections indicate a strong return on investment, driven by increased revenue, reduced operating costs, and improved customer satisfaction. The technology enables more efficient use of existing spectrum resources, reducing the need for costly infrastructure upgrades. Furthermore, the enhanced user experience leads to higher customer retention rates and increased revenue per user. The Systems and Methods for Carrier Aggregation patent offers a compelling value proposition for mobile network operators and other stakeholders in the telecommunications industry. Its ability to improve network performance and enhance user experience positions it as a key enabler of future wireless communication services.","faqs":null,"topics":["carrier aggregation","wireless communication","LTE","5G","mobile networks","systems","methods","carrier"],"tech_cluster":null},"seo":{"title":"Systems and Methods for Carrier Aggregation - Patent US-9853779","description":"Discover how Systems and Methods for Carrier Aggregation enhances wireless communication through optimized carrier aggregation. Full patent analysis, claims, and technical details.","keywords":["carrier aggregation","wireless communication","LTE","5G","mobile networks","duplex method","HARQ-ACK","patent","patent US-9853779"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853779","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-9853779","citation_suggestion":"Patentable. \"Systems and methods for carrier aggregation\" (US-9853779). https://patentable.app/patents/US-9853779","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853779","json":"https://patentable.app/api/llm-context/US-9853779","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T04:07:31.654Z"}