{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853761","patent":{"patent_number":"US-9853761","title":"Passive optical network arrangement and method","assignee":null,"inventors":[],"filing_date":"2011-04-18T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04J","H04J","H04J","H04J","H04J","H04J","H04J"],"num_claims":19,"abstract":"This disclosure relates to wavelength division multiplexed (WDM) passive optical networks (PON), and the transmission of point-to-point and broadcast or multicast channels from an optical line transmitter (OLT) to an optical network unit (ONU). There is provided a WDM PON (100) comprising: an OLT (105) coupled to a plurality of ONU (110a, 110b) using an optical fiber network (160); the OLT (105) having one or more WDM transceivers (115a, 115b) each arranged to receive multi-cast and point-to-point channels and wherein the or each WDM transceiver (115a, 115b) is arranged to transmit a said channel to a respective said ONU (110a, 110b) using a respective dedicated wavelength (λa, λb); an input channel switch (130a, 130b) associated with the or each WDM transceiver (115a, 115b) and arranged to selectively couple the input of the WDM transceiver to the multi-cast channels and the point-to-point channels (140,135); wherein the selected multi-cast or point-to-point channels are directly converted to the respective dedicated wavelength."},"analysis":{"summary":"The Passive Optical Network Arrangement and Method patent addresses the growing need for efficient and high-bandwidth data transmission in modern communication systems. The core innovation is a wavelength division multiplexed (WDM) passive optical network (PON) architecture that optimizes the transmission of both point-to-point and broadcast/multicast channels from an optical line transmitter (OLT) to optical network units (ONUs). The patent solves the problem of bandwidth limitations and signal interference in traditional optical networks by utilizing dedicated wavelengths for each ONU and implementing an input channel switch that selectively couples the input of the WDM transceiver to either multicast or point-to-point channels. \n\nThe key technical approach involves the use of dedicated wavelengths for each ONU, eliminating signal interference and improving overall network performance. The input channel switch allows for dynamic allocation of bandwidth based on network demand, ensuring that resources are efficiently utilized. The direct conversion of selected channels to dedicated wavelengths streamlines the transmission process, minimizing latency and maximizing throughput. \n\nThe business value and applications of this technology are significant. It offers a pathway to higher bandwidth, lower latency, and improved network efficiency. Potential applications include telecommunications, data centers, enterprise networks, and smart cities. The enhanced efficiency and scalability of the system can translate into cost savings for network operators and improved user experiences for consumers. \n\nThe market opportunity for this technology is substantial, as the demand for bandwidth continues to grow. The Passive Optical Network Arrangement and Method provides a robust and cost-effective solution for meeting these demands, positioning it as a key enabler of the future of connected devices and services.","layman_explanation":"The Passive Optical Network Arrangement and Method is a technology designed to improve the efficiency and speed of optical networks, which are the backbone of modern internet and telecommunications. Think of it like this: imagine a highway where all the cars (data) are trying to travel on the same lanes. This can cause traffic jams (slow internet speeds). This patent introduces a system where each car gets its own dedicated lane, ensuring a smooth and fast journey. \n\n**1. What Problem Does This Solve?**\n\nThe primary problem this technology addresses is bandwidth limitations and signal interference in traditional optical networks. Existing solutions often struggle to efficiently manage the increasing volume of data traffic, leading to slower speeds and unreliable connections. This is especially problematic for data centers, telecommunications companies, and other organizations that rely on high-speed data transmission.\n\n**2. How Does It Work?**\n\nInstead of sharing the same 'lanes' (wavelengths) for data transmission, the technology assigns a dedicated wavelength to each user or device. This is like giving each car its own private lane on the highway. Additionally, the system uses a smart switch to dynamically allocate bandwidth based on the needs of each user. This ensures that resources are used efficiently, and no one is left waiting in a traffic jam. The best analogy for this system is a high speed train network. Each train (data) goes on its own track (wavelength) and is routed efficiently to its destination (user).\n\n**3. Why Does This Matter?**\n\nThis technology matters because it has the potential to significantly improve the performance and reliability of optical networks. This can lead to faster internet speeds, better video streaming quality, and more reliable communication services. For businesses, this means increased productivity, reduced costs, and improved customer satisfaction. The market impact is significant, as the demand for bandwidth continues to grow exponentially.\n\n**4. What's Next?**\n\nThe future applications of this technology are vast. As the demand for bandwidth continues to increase, solutions like this will become even more critical. We can expect to see further development and refinement of the technology, as well as its adoption in a wider range of industries. The investment implications are positive, as companies that embrace this technology will be well-positioned to capitalize on the growing demand for high-speed data transmission.","technical_analysis":"The Passive Optical Network Arrangement and Method presents a novel architecture for WDM PONs, focusing on optimizing data transmission from an OLT to ONUs. The system utilizes dedicated wavelengths for each ONU, effectively eliminating signal interference, a common bottleneck in traditional PONs. The core of the innovation lies in the input channel switch, which dynamically allocates bandwidth by selectively coupling the WDM transceiver's input to either multicast or point-to-point channels. This dynamic allocation ensures efficient resource utilization, catering to varying network demands. \n\nImplementation involves an OLT connected to multiple ONUs via optical fibers. Each OLT houses WDM transceivers designed to handle both multicast and point-to-point channels. The input channel switch, a critical component, manages the flow of data to the transceiver. The selected channels are directly converted to the dedicated wavelength for the respective ONU, streamlining the transmission process and minimizing latency. \n\nAlgorithmically, the system likely employs a scheduling algorithm to manage the input channel switch, optimizing bandwidth allocation based on real-time network conditions. This algorithm would need to consider factors such as traffic volume, priority, and latency requirements. Integration with existing network infrastructure would require careful consideration of compatibility and interoperability. The system's performance is characterized by its ability to provide high bandwidth, low latency, and efficient resource utilization. Code-level implications would involve developing drivers and APIs for managing the WDM transceivers and input channel switches.","business_analysis":"The Passive Optical Network Arrangement and Method addresses a critical need in the telecommunications and data center industries: the ever-increasing demand for bandwidth. The market opportunity is substantial, driven by the growth of cloud computing, streaming media, and other data-intensive applications. This patent offers a competitive advantage by providing a more efficient and scalable solution for optical networking. \n\nThe technology has the potential to generate significant revenue for network operators by enabling them to offer higher bandwidth services at lower costs. The business model could involve licensing the technology to equipment manufacturers or providing managed services to data centers and other organizations. Strategic positioning would involve targeting high-growth markets such as Asia-Pacific and emerging economies, where the demand for bandwidth is particularly strong. \n\nROI projections would depend on factors such as the cost of implementation, the price of bandwidth, and the adoption rate of the technology. However, the potential for cost savings and revenue generation is significant. The Passive Optical Network Arrangement and Method offers a compelling value proposition for investors and businesses looking to capitalize on the growing demand for bandwidth.","faqs":null,"topics":["passive optical network","WDM","optical line transmitter","optical network unit","wavelength division multiplexing","passive","optical","network"],"tech_cluster":null},"seo":{"title":"Passive Optical Network Arrangement - Efficient WDM Patent","description":"Explore the Passive Optical Network Arrangement and Method patent for optimized WDM passive optical networks. Discover its impact on bandwidth and efficiency.","keywords":["passive optical network","WDM","optical line transmitter","optical network unit","wavelength division multiplexing","bandwidth optimization","optical communication","network efficiency","patent","patent US-9853761"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853761","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-9853761","citation_suggestion":"Patentable. \"Passive optical network arrangement and method\" (US-9853761). https://patentable.app/patents/US-9853761","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853761","json":"https://patentable.app/api/llm-context/US-9853761","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T21:10:16.250Z"}