{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853851","patent":{"patent_number":"US-9853851","title":"Dynamic configuration of a flexible orthogonal frequency division multiplexing PHY transport data frame","assignee":null,"inventors":[],"filing_date":"2016-07-28T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04W","H04W"],"num_claims":11,"abstract":"A base station may generate and transmit a transport stream including a sequence of frames. A frame may include a plurality of partitions, where each partition includes a corresponding set of OFDM symbols. For each partition, the OFDM symbols in that partition may have a corresponding cyclic prefix size and a corresponding FFT size, allowing different partitions to be targeted for different collections of user devices, e.g., user devices having different expected values of maximum delay spread and/or different ranges of mobility. The base station may also dynamically re-configure the sample rate of each frame, allowing further resolution in control of subcarrier spacing. By allowing the cyclic prefixes of different OFDM symbols to have different lengths, it is feasible to construct a frame that conforms to a set payload duration and has arbitrary values of cyclic prefix size per partition and FFT size per partition. The partitions may be multiplexed in time and/or frequency."},"analysis":{"summary":"The Dynamic Configuration of a Flexible Orthogonal Frequency Division Multiplexing Phy Transport Data Frame patent introduces a dynamic approach to configuring Orthogonal Frequency Division Multiplexing (OFDM) systems, allowing for optimized performance across varying user device capabilities and channel conditions. The core innovation lies in its ability to dynamically adjust the cyclic prefix size and FFT size of OFDM symbols within a transport frame. This addresses the problem of bandwidth inefficiency in traditional OFDM systems, which often employ fixed configurations that are not optimal for all users and environments.\n\nThe key technical approach involves partitioning a transport frame into multiple segments, each with its own optimized OFDM symbol configuration. The base station dynamically reconfigures the sample rate of each frame, providing finer control over subcarrier spacing. This allows the system to tailor the transmission parameters to the specific needs of different user device collections, such as high-mobility devices or stationary devices. This patent provides a system where a base station generates and transmits a transport stream comprising a sequence of frames. Each frame is further divided into partitions, with each partition containing a set of OFDM symbols. Crucially, the OFDM symbols within each partition can have different cyclic prefix sizes and FFT sizes.\n\nThe business value of this technology lies in its ability to improve bandwidth efficiency, enhance network capacity, and provide a better user experience. It has applications in cellular networks, Wi-Fi systems, and other wireless communication standards. The market opportunity is significant, as the demand for bandwidth continues to grow and the need for more efficient data transmission technologies becomes increasingly critical. By enabling more efficient use of available bandwidth and improved performance in challenging environments, the Dynamic Configuration of a Flexible Orthogonal Frequency Division Multiplexing Phy Transport Data Frame patent paves the way for enhanced user experiences and increased network capacity.","layman_explanation":"The Dynamic Configuration of a Flexible Orthogonal Frequency Division Multiplexing Phy Transport Data Frame patent addresses a critical challenge in modern wireless communication: the inefficient use of bandwidth due to fixed configuration parameters in Orthogonal Frequency Division Multiplexing (OFDM) systems.\n\n**1. What Problem Does This Solve?**\nWireless networks are becoming increasingly congested with a diverse range of devices, each with varying needs and capabilities. Traditional OFDM systems, which are the backbone of many wireless technologies, use fixed settings that are not optimized for all devices or channel conditions. This leads to wasted bandwidth and reduced performance, especially in environments with a mix of high-mobility and stationary users. Existing solutions fall short because they cannot dynamically adapt to the changing needs of the network.\n\n**2. How Does It Work?**\nThis invention introduces a flexible system that dynamically adjusts the way data is transmitted over wireless networks. Imagine a highway with different lanes, each optimized for different types of vehicles. The Dynamic Configuration of a Flexible Orthogonal Frequency Division Multiplexing Phy Transport Data Frame patent allows the base station to create these 'lanes' (partitions) within a single transmission frame. Each lane can be configured with different settings, such as the size of the data packets (OFDM symbols) and the amount of error correction (cyclic prefix), to best suit the devices using that lane. This is all done automatically and in real-time, based on the conditions of the network and the needs of the devices.\n\n**3. Why Does This Matter?**\nThis innovation has the potential to significantly improve the performance of wireless networks. By dynamically adjusting the transmission parameters, the system can use bandwidth more efficiently, reduce latency, and improve the overall user experience. This can lead to increased revenue for network operators, as they can support more users and offer higher-bandwidth services. The competitive advantages include improved network capacity, reduced operational costs, and enhanced customer satisfaction. The market impact is substantial, as this technology can be applied to a wide range of wireless applications, including cellular networks, Wi-Fi systems, and IoT devices.\n\n**4. What's Next?**\nFuture applications of this technology could include integration with 5G and beyond networks, as well as the development of more sophisticated algorithms for dynamic resource allocation. The market adoption timeline will depend on the willingness of network operators and equipment manufacturers to adopt this new technology. Investment implications include opportunities for venture capital firms and strategic investors to capitalize on the growth of the wireless communication market.","technical_analysis":"The Dynamic Configuration of a Flexible Orthogonal Frequency Division Multiplexing Phy Transport Data Frame patent presents a technically significant advancement in wireless communication. The core of the innovation is the dynamic adaptation of OFDM parameters, specifically the cyclic prefix (CP) and Fast Fourier Transform (FFT) sizes, to optimize data transmission across diverse channel conditions and user device capabilities. Traditional OFDM systems operate with fixed CP and FFT sizes, often chosen to accommodate worst-case scenarios, leading to suboptimal bandwidth utilization when channel conditions are favorable. \n\nThis patent overcomes this limitation by introducing a frame structure divided into partitions, each configurable with distinct CP and FFT sizes. The base station dynamically reconfigures the sample rate of each frame, allowing for finer control over subcarrier spacing. This approach enables the system to tailor transmission parameters to the specific requirements of different user device collections. For example, devices experiencing high mobility or significant delay spread can be assigned partitions with longer CPs to mitigate inter-symbol interference (ISI), while stationary devices can utilize partitions with shorter CPs to improve spectral efficiency.\n\nImplementation involves sophisticated algorithms for channel estimation and resource allocation. The base station must accurately assess channel conditions and user device characteristics to determine the optimal CP and FFT sizes for each partition. This requires real-time feedback mechanisms and advanced signal processing techniques. Integration with existing wireless communication standards, such as LTE and Wi-Fi, presents both opportunities and challenges. The system must be designed to be backward-compatible with legacy devices while simultaneously leveraging the benefits of dynamic configuration. Performance is highly dependent on the accuracy of channel estimation and the efficiency of resource allocation algorithms. Future research should focus on developing robust and scalable algorithms that can adapt to rapidly changing channel conditions and support a large number of user devices. The code-level implications involve modifications to the physical layer (PHY) and medium access control (MAC) layer protocols. The PHY layer must be able to dynamically adjust CP and FFT sizes on a per-partition basis, while the MAC layer must manage resource allocation and scheduling to ensure fair and efficient utilization of the available bandwidth.","business_analysis":"The Dynamic Configuration of a Flexible Orthogonal Frequency Division Multiplexing Phy Transport Data Frame patent holds significant commercial potential within the rapidly evolving wireless communication landscape. The core value proposition lies in its ability to optimize bandwidth utilization and enhance network capacity by dynamically adapting OFDM parameters to varying channel conditions and user device capabilities. This translates directly into improved user experiences, reduced operational costs for network operators, and new revenue opportunities.\n\nThe market opportunity is substantial, driven by the insatiable demand for bandwidth from mobile devices, IoT devices, and emerging applications such as augmented reality (AR) and virtual reality (VR). The competitive advantages stem from the patent's unique approach to dynamic OFDM configuration, which offers superior performance compared to traditional fixed-configuration systems. Revenue potential can be realized through various business models, including licensing the technology to wireless equipment manufacturers, integrating it into network infrastructure solutions, and offering value-added services based on improved network performance. Strategic positioning involves targeting network operators, equipment vendors, and chipset manufacturers. These companies are constantly seeking ways to enhance network capacity, improve user experience, and reduce operational costs. The return on investment (ROI) projections are highly attractive, driven by the potential for increased revenue, reduced capital expenditures, and improved customer satisfaction. However, the success of this technology hinges on effective market adoption, strategic partnerships, and continuous innovation to stay ahead of the competition.","faqs":null,"topics":["dynamic OFDM","wireless communication","cyclic prefix","FFT size","bandwidth optimization"],"tech_cluster":null},"seo":{"title":"Dynamic OFDM Configuration for Wireless - Patent US-9853851","description":"Discover how Dynamic Configuration of a Flexible Orthogonal Frequency Division Multiplexing Phy Transport Data Frame improves wireless bandwidth. Full patent analysis and technical details.","keywords":["dynamic OFDM","wireless communication","cyclic prefix","FFT size","bandwidth optimization","adaptive modulation","5G","patent","patent US-9853851"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853851","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-9853851","citation_suggestion":"Patentable. \"Dynamic configuration of a flexible orthogonal frequency division multiplexing PHY transport data frame\" (US-9853851). https://patentable.app/patents/US-9853851","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853851","json":"https://patentable.app/api/llm-context/US-9853851","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T04:23:33.245Z"}