{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9854601","patent":{"patent_number":"US-9854601","title":"Deliberating retransmissions to avoid new hybrid automatic repeat requests (HARQ)","assignee":null,"inventors":[],"filing_date":"2015-12-04T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04W","H04L","H04L","H04W","H04W","H04W","H04W","H04W"],"num_claims":14,"abstract":"A method, device and system provide improved throughput for network subscriptions in multi-SIM, multi-standby wireless devices by triggering false or fake NAK/Tx messages prior to the tune-away. The technique includes receiving and decoding communications from a node at a user equipment during a first subscription communication mode; in response to a communication from the node to the user equipment after a certain time period prior to a tune away period in which the user equipment communicates in a second subscription communication mode, communicating a fake NACK message from the user equipment to the node; and after the tune away period ends, receiving communications at the user equipment from the node and responding with an ACK message."},"analysis":{"summary":"The Deliberating Retransmissions to Avoid New Hybrid Automatic Repeat Requests (harq) patent addresses the problem of reduced network throughput in multi-SIM, multi-standby wireless devices. The core innovation lies in intelligently managing retransmissions to avoid interruptions caused by frequent tune-aways. This is achieved by triggering false or fake NAK/Tx messages prior to the tune-away period, effectively pausing data transmission and preventing packet loss. After the tune-away period ends, the device resumes communication with an ACK message, ensuring seamless connectivity.\n\nThis system solves the problem of dropped packets and increased latency that often plague multi-SIM devices when switching between networks. Existing solutions often fail to adequately address the interruptions caused by tune-aways, resulting in a frustrating user experience. By proactively managing retransmissions, this technology significantly improves network throughput and reduces latency.\n\nThe key technical approach involves receiving and decoding communications from a node at a user equipment during a first subscription communication mode. In response to a communication from the node after a certain time period prior to a tune-away, the device communicates a fake NACK message. After the tune-away period ends, the user equipment receives communications from the node and responds with an ACK message. This intelligent management of retransmissions minimizes interruptions and optimizes network subscriptions.\n\nThe business value of this technology lies in its potential to enhance user experience, reduce operational costs, and create new revenue opportunities for device manufacturers and network operators. By providing smoother connectivity and faster data transfer rates, this innovation can attract more customers and increase customer satisfaction. The market opportunity is significant, as the demand for multi-SIM devices continues to grow. \n\nThis patent represents a significant step forward in optimizing network performance for multi-SIM devices and is poised to become a standard feature in future generations of wireless devices.","layman_explanation":"The Deliberating Retransmissions to Avoid New Hybrid Automatic Repeat Requests (harq) patent addresses a common problem experienced by users of multi-SIM devices: poor network performance. These devices, which can use multiple SIM cards to connect to different mobile networks, often suffer from slow data speeds and dropped connections due to the frequent switching between networks.\n\n**1. What Problem Does This Solve?**\nMulti-SIM devices are designed to provide flexibility and cost savings by allowing users to switch between different mobile networks. However, the process of switching, known as a 'tune-away,' can interrupt the data flow, leading to dropped packets and increased latency. Existing solutions don't effectively manage these interruptions, resulting in a frustrating user experience. This patent solves this problem by intelligently managing retransmissions during tune-away periods, minimizing interruptions and improving overall network performance.\n\n**2. How Does It Work?**\nImagine you're watching a movie, and someone keeps pausing it every few minutes. It's annoying, right? This patent is like having a smart remote that automatically pauses the movie a split second before the person tries to pause it, and then resumes it seamlessly. In technical terms, the device sends a 'fake' negative acknowledgement (NAK) message to the network before switching to another network. This tells the network to temporarily stop sending data. Once the device switches back, it sends an acknowledgement (ACK) message to resume the data flow. This process happens so quickly that you don't even notice the interruption.\n\n**3. Why Does This Matter?**\nThis patent has significant implications for the mobile industry. It can improve the performance of multi-SIM devices, making them more attractive to consumers. It can also reduce operational costs for mobile network operators by minimizing dropped packets and improving network efficiency. The market opportunity is substantial, as the demand for multi-SIM devices continues to grow, particularly in emerging markets. This technology can provide a competitive advantage for device manufacturers and network operators.\n\n**4. What's Next?**\nFuture applications of this technology could include integration with 5G networks, improved algorithms for predicting tune-away periods, and the development of new services and applications that leverage the enhanced connectivity provided by this system. The market adoption timeline will depend on the willingness of device manufacturers and network operators to implement this technology. However, the potential ROI is significant, making it an attractive investment for companies in the mobile industry.","technical_analysis":"The Deliberating Retransmissions to Avoid New Hybrid Automatic Repeat Requests (harq) patent introduces a novel approach to managing retransmissions in multi-SIM devices, specifically designed to mitigate the performance impact of tune-away events. The technical architecture revolves around a predictive algorithm that anticipates tune-away periods and proactively triggers a 'fake' Negative Acknowledgement (NAK) or Transmission (Tx) message. \n\nAt its core, the system monitors communication from a network node to the user equipment during the primary subscription mode. Upon detecting an impending tune-away, the system generates and transmits a false NAK message. This action effectively signals the network node to temporarily halt data transmission, preventing data loss during the interruption. Once the tune-away period concludes, the user equipment resumes communication with a standard Acknowledgement (ACK) message, seamlessly resuming data flow.\n\nThe implementation details involve precise timing mechanisms to ensure that the fake NAK message is sent just before the tune-away, and the ACK message is sent immediately after. The algorithm must accurately predict tune-away events based on network conditions, user behavior, and device settings. The integration patterns involve modifying the device's communication protocol stack to intercept and manipulate the NAK/ACK signals. This requires careful consideration to avoid disrupting other network functions.\n\nFrom a performance perspective, the system aims to minimize the latency introduced by tune-away events and maximize overall throughput. The effectiveness of the system depends on the accuracy of the tune-away prediction algorithm and the speed of the NAK/ACK signal processing. Code-level implications involve modifying the device's modem firmware and network drivers to implement the described functionalities. This requires a deep understanding of wireless communication protocols and device hardware. The long-term effect is a smoother user experience and better overall network performance.","business_analysis":"The Deliberating Retransmissions to Avoid New Hybrid Automatic Repeat Requests (harq) patent presents a significant business opportunity within the rapidly expanding market for multi-SIM devices. The core value proposition is enhanced network throughput and reduced latency, leading to a superior user experience. This has direct implications for customer satisfaction and retention, providing a competitive advantage for device manufacturers and network operators.\n\nThe market opportunity size is substantial, given the increasing adoption of multi-SIM devices globally, particularly in emerging markets where users rely on multiple SIM cards to optimize costs and coverage. The competitive advantages stem from the patent's unique approach to managing retransmissions during tune-away events, which is not adequately addressed by existing solutions. This technology can be licensed to device manufacturers, integrated into network infrastructure, or offered as a value-added service to subscribers.\n\nThe revenue potential is multifaceted. Device manufacturers can command premium pricing for devices incorporating this technology. Network operators can reduce operational costs by minimizing dropped packets and improving network efficiency. New business models can be built around offering enhanced connectivity services to multi-SIM users. The strategic positioning involves establishing partnerships with key players in the mobile ecosystem, including device manufacturers, network operators, and chipset vendors.\n\nROI projections are highly dependent on the specific implementation and market penetration. However, the potential for significant returns is evident, given the large market size, the competitive advantages, and the diverse revenue streams. The patent represents a valuable asset that can drive innovation and create new business opportunities in the wireless communication industry. This system can be a key differentiator in a crowded market.","faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Deliberating Retransmissions to Avoid New Hybrid Automatic Repeat Requests (harq) - Patent US-9854601","description":"Improve network throughput in multi-SIM devices with Deliberating Retransmissions to Avoid New Hybrid Automatic Repeat Requests (harq). Full patent analysis & claims.","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9854601","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-9854601","citation_suggestion":"Patentable. \"Deliberating retransmissions to avoid new hybrid automatic repeat requests (HARQ)\" (US-9854601). https://patentable.app/patents/US-9854601","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9854601","json":"https://patentable.app/api/llm-context/US-9854601","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:07:06.929Z"}