{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853795","patent":{"patent_number":"US-9853795","title":"Method and apparatus for transmitting HARQ ACK/NACK","assignee":null,"inventors":[],"filing_date":"2015-01-28T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04W"],"num_claims":19,"abstract":"Provided is a method and apparatus for transmitting an HARQ ACK/NACK. The method includes: recognizing, from a PDCCH or an EPDCCH, a 2-bit uplink (UL) downlink assignment index (DAI) field configured in a UL downlink control information (DCI) format; receiving a PDSCH transmission through the second serving cell; generating an HARQ response signal based on the number of PDSCHs scheduled in the downlink subframes indicated by the UL DAI field and the number of total downlink subframes associated with one uplink subframe; and transmitting the HARQ response signal through a PUSCH in the one uplink subframe."},"analysis":{"summary":"The Method and Apparatus for Transmitting Harq Ack/nack patent addresses the challenge of ensuring reliable and efficient data transmission in wireless communication systems. The core innovation lies in a method for dynamically adjusting the Hybrid Automatic Repeat Request Acknowledgement/Negative Acknowledgement (HARQ ACK/NACK) response based on real-time conditions and scheduling information. This is achieved by recognizing a 2-bit uplink (UL) downlink assignment index (DAI) field configured in a UL downlink control information (DCI) format from a PDCCH or an EPDCCH. The system then generates an HARQ response signal based on the number of PDSCHs scheduled in the downlink subframes indicated by the UL DAI field and the number of total downlink subframes associated with one uplink subframe. Finally, the HARQ response signal is transmitted through a PUSCH in the one uplink subframe.\n\nThis technology solves the problem of inefficiencies in traditional HARQ ACK/NACK processes, which often struggle with the complexities of modern wireless networks. By intelligently managing ACK/NACK signals, the system ensures that resources are used optimally, and data transmission is reliable. The business value of this innovation lies in its potential to improve network performance, reduce latency, and enhance user experience. It has applications in various industries, including enhanced mobile broadband, massive machine-type communications, and ultra-reliable low latency communications.\n\nThe market opportunity for this technology is significant, as the demand for wireless bandwidth and reliability continues to grow. As 5G and beyond become more prevalent, solutions like this patent will play a crucial role in meeting the increasing demands of wireless networks. The Method and Apparatus for Transmitting Harq Ack/nack represents a significant step forward in the field of wireless communication, offering a practical and effective solution to a persistent challenge.","layman_explanation":"The Method and Apparatus for Transmitting Harq Ack/nack patent addresses a critical issue in wireless communication: ensuring that data is transmitted reliably and efficiently. In simple terms, it's like having a system that checks if a message sent over the airwaves is received correctly, and if not, automatically resends it until it gets through. This is crucial because wireless signals can be easily disrupted by interference, distance, or other factors.\n\n**1. What Problem Does This Solve?**\nWireless communication, like your phone connecting to the internet or a smart device sending data, is prone to errors. Existing solutions to correct these errors are often not efficient enough, leading to slower speeds, dropped connections, and unreliable data transfer. The Method and Apparatus for Transmitting Harq Ack/nack solves this by making the error correction process smarter and more adaptable.\n\n**2. How Does It Work?**\nImagine you're sending a package to a friend. You want to make sure they receive it, so you ask them to send you a message back saying they got it. If you don't get the message, you send the package again. This patent improves this process by adding a layer of intelligence. It's like having a smart delivery system that knows how many packages you're sending, how many your friend should receive, and automatically resends any missing packages. It does this by using a special code (the UL DAI field) to keep track of the data being sent and received. This ensures that all the data gets through, even if some of it is initially lost or corrupted.\n\n**3. Why Does This Matter?**\nThis technology has a significant impact on the performance of wireless networks. By improving the reliability and efficiency of data transmission, it can lead to faster download speeds, smoother video streaming, and more reliable connections for all types of wireless devices. This is particularly important for emerging technologies like autonomous vehicles, which require ultra-reliable, low-latency communication. It also benefits everyday users by making their wireless experiences more seamless and frustration-free. Competitively, companies that implement this technology can offer more reliable and faster wireless services, giving them an edge over competitors.\n\n**4. What's Next?**\nThe Method and Apparatus for Transmitting Harq Ack/nack is likely to be integrated into future wireless communication standards, such as 5G and beyond. As wireless networks become more complex and demand for bandwidth increases, technologies like this will be essential for ensuring reliable and efficient communication. The market adoption timeline will depend on the pace of 5G deployment and the willingness of wireless equipment manufacturers to incorporate this technology into their products. For investors, this patent represents a promising opportunity to invest in the future of wireless communication.","technical_analysis":"The Method and Apparatus for Transmitting Harq Ack/nack patent provides a detailed technical solution for optimizing HARQ ACK/NACK signal transmission in wireless communication systems. The technical architecture centers around the dynamic adjustment of the HARQ response based on real-time conditions and scheduling information. This involves several key steps. First, the system recognizes a 2-bit uplink (UL) downlink assignment index (DAI) field configured in a UL downlink control information (DCI) format from a PDCCH or an EPDCCH. This DAI field provides critical information about the scheduling of downlink subframes.\n\nNext, the system receives a PDSCH transmission through the second serving cell. The core of the innovation lies in generating an HARQ response signal based on the number of PDSCHs scheduled in the downlink subframes indicated by the UL DAI field and the number of total downlink subframes associated with one uplink subframe. This calculation ensures that the HARQ response accurately reflects the status of all scheduled transmissions. Finally, the HARQ response signal is transmitted through a PUSCH in the one uplink subframe. The implementation details involve sophisticated coding and modulation techniques to ensure the integrity of the HARQ ACK/NACK signals. The system also incorporates error correction mechanisms to mitigate the effects of noise and interference.\n\nThe integration patterns for this technology involve seamless integration with existing wireless communication protocols and standards. The system is designed to be compatible with a wide range of devices and network infrastructures. The performance characteristics of this innovation are significant. By intelligently managing HARQ ACK/NACK signals, the system reduces latency, improves resource utilization, and enhances overall network performance. The code-level implications of this technology involve modifications to the baseband processing algorithms and control plane signaling protocols. Developers will need to carefully consider the interactions between the HARQ ACK/NACK process and other aspects of the wireless communication system.","business_analysis":"The Method and Apparatus for Transmitting Harq Ack/nack patent presents a compelling business opportunity in the rapidly growing wireless communication market. The market opportunity size is substantial, as the demand for wireless bandwidth and reliability continues to increase. This innovation addresses a critical need for optimizing HARQ ACK/NACK signal transmission, which is essential for ensuring efficient data transfer in modern wireless networks.\n\nThe competitive advantages of this technology lie in its dynamic adjustment of the HARQ response based on real-time conditions and scheduling information. This allows the system to adapt to changing network conditions and optimize resource utilization. The revenue potential for this innovation is significant. It can be monetized through licensing agreements with wireless communication equipment manufacturers, network operators, and mobile device vendors. The business models for this technology include licensing, subscription services, and value-added services. Strategic positioning involves partnering with key players in the wireless communication ecosystem to integrate this technology into their products and services.\n\nThe ROI projections for this innovation are highly favorable. By improving network performance and reducing latency, this technology can generate significant cost savings for network operators and enhance the user experience for mobile device users. This can lead to increased customer satisfaction, reduced churn, and higher revenue. Overall, the Method and Apparatus for Transmitting Harq Ack/nack represents a promising business opportunity with significant market potential and strong ROI prospects.","faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for transmitting HARQ ACK/NACK","description":"Provided is a method and apparatus for transmitting an HARQ ACK/NACK. The method includes: recognizing, from a PDCCH or an EPDCCH, a 2-bit uplink (UL) downlink assignment index (DAI) field configured ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853795","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-9853795","citation_suggestion":"Patentable. \"Method and apparatus for transmitting HARQ ACK/NACK\" (US-9853795). https://patentable.app/patents/US-9853795","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853795","json":"https://patentable.app/api/llm-context/US-9853795","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T01:52:39.275Z"}