{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9854446","patent":{"patent_number":"US-9854446","title":"Method and apparatus for transmitting a signal in a wireless communication system","assignee":null,"inventors":[],"filing_date":"2012-07-06T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04W","H04L","H04L","H04W","H04W","H04W","H04L","H04L","H04L"],"num_claims":8,"abstract":"One embodiment of the present invention relates to a method for transmitting a signal to an unlicensed band of a base station in a wireless communication system. The method comprises the steps of: transmitting at least one of a preamble and a reservation signal, if it is determined through carrier sensing that the unlicensed band is available; and transmitting a PDSCH on the unlicensed band immediately after the transmission of at least one of the preamble and the reservation signal. the preamble enables a terminal to acquire reception synchronization for at least one of the reservation signal and the PDSCH."},"analysis":{"summary":"The Method and Apparatus for Transmitting a Signal in a Wireless Communication System patent introduces an innovative approach to signal transmission in wireless communication systems, particularly focusing on the efficient utilization of unlicensed bands. The core innovation lies in enabling a base station to intelligently transmit signals by incorporating preamble and reservation signals, thereby facilitating reliable PDSCH (Physical Downlink Shared Channel) transmission. This addresses the critical problem of spectrum congestion and inefficient utilization of available wireless resources, which leads to degraded network performance and reduced user experience. \n\nThe key technical approach involves a dynamic carrier sensing mechanism that allows the base station to detect the availability of unlicensed bands and transmit signals accordingly. By transmitting preamble and reservation signals, the system ensures that terminals can synchronize effectively, even in the presence of interference. This enables reliable PDSCH transmission, maximizing data throughput and minimizing latency.\n\nThe business value and applications of this technology are significant, particularly in industries such as telecommunications, IoT, and mobile computing. The ability to leverage unlicensed bands effectively opens up new avenues for innovation and cost reduction. For example, businesses can deploy private LTE networks using unlicensed spectrum, reducing reliance on traditional cellular carriers. Moreover, the improved synchronization capabilities enhance the reliability of IoT devices operating in crowded wireless environments.\n\nThe market opportunity for this technology is substantial, driven by the increasing demand for wireless connectivity and the growing proliferation of wireless devices. As spectrum congestion continues to be a major challenge, solutions like the Method and Apparatus for Transmitting a Signal in a Wireless Communication System will become increasingly valuable. This patent represents a significant step forward in wireless communication technology and promises to unlock new possibilities for efficient spectrum utilization and improved network performance.","layman_explanation":"The Method and Apparatus for Transmitting a Signal in a Wireless Communication System patent addresses a critical issue in modern wireless communication: the efficient use of available spectrum. As the number of devices connecting to wireless networks continues to grow, the demand for bandwidth is outpacing the supply. This leads to congestion, slower speeds, and unreliable connections. Existing solutions often fall short because they don't fully utilize the available spectrum, especially in unlicensed bands.\n\nThis patent introduces a method for base stations to intelligently transmit signals in unlicensed bands. Think of it like this: imagine a crowded room where everyone is trying to talk at the same time. It's hard to hear anyone. This technology is like a traffic controller that tells each person when it's their turn to speak, ensuring that everyone can be heard clearly.\n\nThe base station uses a special sensor to detect when an unlicensed band is available. It then sends out a signal to let devices know that they can start transmitting data. This ensures that devices can synchronize and transmit data reliably, even in the presence of interference. The key here is that the system is dynamic and adapts to changing conditions, ensuring that the available spectrum is used as efficiently as possible.\n\nThis matters because it can significantly improve the performance of wireless networks. It can lead to faster speeds, more reliable connections, and a better overall user experience. It also opens up new opportunities for businesses to deploy private LTE networks using unlicensed spectrum, reducing their reliance on traditional cellular carriers. This technology has the potential to transform the way we use wireless communication.\n\nLooking ahead, we can expect to see this technology integrated into a wide range of wireless devices and networks. As the demand for bandwidth continues to grow, solutions like this will become increasingly important. The market adoption timeline will depend on factors such as regulatory approvals and the availability of compatible devices. For investors, this represents a significant opportunity to invest in a technology that is poised to play a key role in the future of wireless communication.","technical_analysis":"The Method and Apparatus for Transmitting a Signal in a Wireless Communication System patent presents a novel solution to enhance signal transmission in wireless communication systems, particularly within unlicensed bands. The technical architecture revolves around a base station equipped with a sophisticated carrier sensing mechanism. This mechanism allows the base station to dynamically assess the availability of unlicensed bands, minimizing interference and optimizing data throughput. Upon determining band availability, the base station transmits preamble and reservation signals. These signals are crucial for enabling terminals to achieve accurate synchronization, a prerequisite for reliable PDSCH (Physical Downlink Shared Channel) transmission.\n\nImplementation details involve complex algorithms for carrier sensing, signal modulation, and synchronization. The carrier sensing algorithm must accurately detect the presence of other signals in the unlicensed band to avoid collisions. The preamble and reservation signals are designed to be robust against noise and interference, ensuring reliable detection by the terminals. The PDSCH transmission is optimized to adapt to varying channel conditions, maximizing data throughput while maintaining signal integrity.\n\nIntegration patterns for this technology would typically involve incorporating it into existing wireless communication protocols and standards. This may require modifications to the physical layer and MAC layer protocols to accommodate the new carrier sensing and signal transmission mechanisms. Performance characteristics would depend on factors such as the channel conditions, the number of active terminals, and the efficiency of the carrier sensing algorithm.\n\nThe code-level implications of implementing this technology would involve developing efficient algorithms for carrier sensing, signal modulation, and synchronization. This may require the use of specialized signal processing libraries and hardware accelerators to achieve real-time performance. The code must also be designed to be robust against errors and unexpected events, ensuring reliable operation in challenging environments. The overall design must prioritize efficient resource utilization and low latency to maximize the benefits of this technology.","business_analysis":"The Method and Apparatus for Transmitting a Signal in a Wireless Communication System patent holds significant commercial potential in the rapidly evolving wireless communication landscape. The increasing demand for high-speed, reliable wireless connectivity, coupled with the growing scarcity of licensed spectrum, creates a substantial market opportunity for technologies that can effectively leverage unlicensed bands.\n\nThe competitive advantages of this technology stem from its ability to dynamically sense and utilize available spectrum, minimizing interference and maximizing data throughput. This allows businesses to deploy private LTE networks using unlicensed spectrum, reducing reliance on traditional cellular carriers and lowering operational costs. Moreover, the improved synchronization capabilities enhance the reliability of IoT devices operating in crowded wireless environments, opening up new opportunities for IoT deployments.\n\nThe revenue potential for this technology is substantial, driven by several factors. First, the increasing demand for wireless bandwidth will drive adoption of solutions that can effectively utilize available spectrum. Second, the cost savings associated with using unlicensed spectrum will make this technology attractive to businesses of all sizes. Third, the improved reliability of IoT devices will create new opportunities for revenue generation in the IoT market.\n\nPotential business models for this technology include licensing the patent to wireless equipment manufacturers, developing and selling integrated wireless communication systems, and offering managed wireless services to businesses. The strategic positioning of this technology is to provide a cost-effective and reliable solution for wireless communication in environments where licensed spectrum is scarce or expensive.\n\nROI projections for this technology are highly favorable, driven by the substantial market opportunity, the competitive advantages, and the potential for recurring revenue streams. The initial investment in developing and commercializing this technology is expected to be recouped within a relatively short period, generating significant returns for investors.","faqs":null,"topics":["wireless communication","signal transmission","unlicensed spectrum","PDSCH","carrier sensing","method","apparatus","transmitting"],"tech_cluster":null},"seo":{"title":"Wireless Signal Transmission - Method and Apparatus for Transmitting a Signal in a Wireless Communication System","description":"Discover the Method and Apparatus for Transmitting a Signal in a Wireless Communication System patent. Learn how it enhances wireless signal transmission in unlicensed bands.","keywords":["wireless communication","signal transmission","unlicensed spectrum","PDSCH","carrier sensing","wireless technology","patent","patent US-9854446"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9854446","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-9854446","citation_suggestion":"Patentable. \"Method and apparatus for transmitting a signal in a wireless communication system\" (US-9854446). https://patentable.app/patents/US-9854446","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9854446","json":"https://patentable.app/api/llm-context/US-9854446","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T04:30:29.106Z"}