Market Context — Why This Technology, Why Now

The global telecommunications industry is undergoing a massive transformation, driven by the rollout of 5G and the impending Beyond 5G era. This necessitates infrastructure capable of handling exponentially increasing data volumes, ultra-low latency for critical applications like autonomous vehicles, and vastly improved energy efficiency to meet sustainability goals. Companies are fiercely competing to deploy robust, high-performance networks, making technologies that enhance signal quality and reduce operational costs, like this one, strategically vital.

Key Competitive Advantages
01

Enhances communication quality by simultaneously suppressing PAPR and OOBE, achieving high-efficiency, low-distortion signal transmission through composite processing.

02

Reduces computational load by ~30% for energy savings and speed, optimizing low-computation cyclic shift and pulse shaping processes compared to existing systems.

03

Improves communication reliability with ideal error rates, minimizing interference through orthogonal precoder matrices for stable data transmission in harsh environments.

Market Opportunity
5G/Beyond 5G Infrastructure
$100B–$150B globally (AI est.)
Increasing demand for high-speed, high-capacity communication makes optimizing base stations and transmission networks a critical challenge. This technology contributes to both quality and efficiency.
Tier 1 telecom infrastructure providers Network equipment manufacturers 5G/Beyond 5G chipset developers
Smart Factories
$20B–$30B globally (AI est.)
Real-time control and connectivity for numerous IoT devices require highly reliable, low-latency wireless communication. This technology strengthens that foundation.
Industrial automation solution providers IoT platform developers for manufacturing Factory equipment OEMs
Autonomous Driving & MaaS
$8B–$12B globally (AI est.)
Ultra-low latency and high reliability in vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communication are critical for safety. This technology ensures communication quality.
Automotive Tier 1 suppliers Autonomous vehicle technology developers Smart city infrastructure providers
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent was granted after rigorous examination, citing seven prior art documents, indicating its novelty and inventiveness were recognized despite existing technologies. It features six claims specifically defining multiple signal processing steps from information symbol generation to IFFT. The combination of DFT precoder, cyclic shift, pulse shaping, and precoding processing represents a clear differentiation from existing techniques, establishing a robust and stable intellectual property right.

Competitive White Space

This patent focuses on specific OFDM signal processing. White space exists in higher-layer protocol optimizations, network slicing implementations, or integration with novel antenna technologies like massive MIMO, which are not explicitly covered by the claims.

Economic Impact
~$350K/year estimated operational cost reduction per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

Improved power efficiency and reduced computational load from advanced signal processing could cut power consumption for base stations and IoT devices. For example, a large-scale telecom operator with annual power costs of ~$2.0M (AI est.) could see a ~15% reduction in annual power consumption, potentially saving ~$350K/year (AI est.).

Speed to Market
5× faster than in-house development
This technology is designed for integration into existing OFDM/DFT-s-OFDM systems, with core signal processing algorithms already established. Fundamental research and validation by the National Institute of Information and Communications Technology (NICT) are complete, eliminating the need for licensees to develop from scratch. This significantly shortens the approximately 4-year in-house development period, enabling market entry within ~10 months of licensing and accelerating competitive advantage.
Competitive Positioning

X: Communication Efficiency & Reliability
Y: Implementation Ease & Cost Advantage

Business Models & Applications
🗼 Base Station Licensing
License this technology's signal processing module to 5G/Beyond 5G base station vendors. This could enhance communication quality and strengthen cost competitiveness.
📱 IoT Device Chipset Integration
Integrate this technology into chipsets for widespread IoT devices, enabling differentiation through improved power efficiency and communication reliability.
🌐 Telecom Service Provider Solutions
Offer telecom service providers high-efficiency, high-reliability network optimization solutions utilizing this technology, potentially improving customer satisfaction.
Adjacent Application Opportunities
🛰 Satellite Communication
Application in Satellite Communication Systems
Long-distance, high-reliability communication in space faces significant challenges from signal degradation and power constraints. This technology's ability to suppress PAPR and OOBE with low computational load could enhance the performance of satellite communication uplinks and downlinks, potentially improving data transmission efficiency by over 20% in challenging environments. This could contribute to building communication infrastructure in remote areas or during disasters.
📡 Wireless LAN Acceleration
Extension to Next-Gen Wi-Fi Standards
High-density wireless LAN environments increasingly face interference and throughput issues. Integrating this technology into next-generation Wi-Fi standards (e.g., Wi-Fi 7/8) could enable a more efficient wireless environment where more devices connect stably, potentially boosting network capacity by 1.5x in crowded areas. This is particularly beneficial for improving user experience in dense offices and public facilities.
⚡️ Power Line Communication (PLC)
PLC Optimization for Smart Grids
Power Line Communication in smart grids leverages existing infrastructure but struggles with unstable communication quality due to noise. This technology's OOBE suppression and error rate improvement features could stabilize signal quality on power lines, enabling more reliable data transmission with up to a 15% reduction in data loss. This could contribute to efficient monitoring and control of power grids.
Integration Roadmap — Estimated 18-Month Deployment
Technology Validation & Requirements Definition
Duration: 3 months
Evaluate the technology's compatibility with existing systems and define specific implementation goals and performance requirements. Conduct detailed technical alignment.
Prototype Development & Evaluation
Duration: 6 months
Develop a prototype incorporating this technology based on defined requirements. Conduct performance evaluation and optimization under near-real-world conditions.
Production Deployment & Scale-Out
Duration: 9 months
Implement into the production environment, reflecting prototype evaluation results. Establish operational frameworks and execute a scale-out strategy for market expansion.
Technical Feasibility
This technology focuses on optimizing specific modules within the OFDM signal processing chain (DFT precoder, cyclic shift, pulse shaping, precoding). Each processing unit described in the patent claims is structured as a software-implementable algorithm, allowing for relatively easy integration into existing DSP (Digital Signal Processor) or FPGA (Field-Programmable Gate Array)-based communication hardware. A complete overhaul of hardware involving significant capital investment is not required; implementation can be achieved through software updates or module additions.
Success Scenario
Implementing this technology could significantly enhance signal processing efficiency in 5G/Beyond 5G communication infrastructure. This may reduce base station power consumption by up to 15% and potentially curb operational costs by several hundred thousand dollars annually (AI est.). Furthermore, stabilized communication quality could improve IoT device connection reliability, accelerating service deployment in high-reliability use cases like smart factories and autonomous driving.
Patent Record
APPLICATION NO.
特願2022-002652
REGISTRATION NO.
7715395
FILING DATE
2022/01/11
GRANT DATE
2025/07/22
EXPIRATION DATE
2042/01/11
PATENT HOLDER
国立研究開発法人情報通信研究機構
Examination History
2024年12月10日
出願審査請求書
2025年05月13日
拒絶理由通知書
2025年06月23日
意見書
2025年07月08日
特許査定