Market Context — Why This Technology, Why Now

Global demand for IoT connectivity is skyrocketing, driving unprecedented spectrum congestion and regulatory pressure for efficient frequency use. Industries from smart manufacturing to urban infrastructure rely on stable, low-power wide-area (LPWA) networks. This technology directly addresses these challenges by optimizing communication efficiency and reliability, enabling robust data exchange critical for next-gen smart applications and reducing operational costs across diverse sectors.

Key Competitive Advantages
01

Significantly improves interference estimation accuracy by precisely estimating power even in complex interference environments, a challenge for conventional methods.

02

Maximizes communication efficiency by setting the minimum necessary spreading factor based on interference, reducing resource waste and boosting LPWA data throughput.

03

Dramatically enhances LPWA communication reliability, stabilizing communication quality between IoT devices and reducing service interruption risks through accurate interference estimation.

Market Opportunity
IoT Device Networks
~$5B–$10B globally (AI est.)
The proliferation of LPWA technology is causing an explosive increase in connected sensors and devices. Stabilizing communication in high-density network environments is crucial, leading to a surge in demand for this technology.
LPWA module manufacturers IoT platform providers Wireless sensor network developers Telecommunication infrastructure providers
Smart Manufacturing
~$150M–$250M domestically (AI est.)
In environments with numerous wireless sensors and robots communicating within factories, communication failures due to interference directly impact productivity. This technology supports stable operations and contributes to digital transformation initiatives.
Industrial automation solution providers Factory equipment OEMs Robotics manufacturers Industrial IoT integrators
Smart City Infrastructure
~$100M–$200M domestically (AI est.)
Enhancing the reliability of wide-area sensor networks for urban infrastructure monitoring, traffic management, and environmental surveillance contributes to optimizing city functions.
Urban planning technology firms Public utility providers Smart transportation system developers Environmental monitoring solution vendors
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent protects a robust interference estimation algorithm, evidenced by its successful navigation through multiple office actions and examiner recognition of its differentiation from prior art. With 12 claims covering a broad technical scope, it offers a strong protective foundation for future business development and a low risk of invalidation by third parties.

Competitive White Space

This patent primarily covers interference estimation in spread spectrum communication using chirp modulation. White space exists in advanced adaptive antenna systems, cognitive radio applications, or specific hardware implementations for ultra-low power consumption beyond the core signal processing.

Economic Impact
~$130K/year estimated cost savings and revenue increase per facility (est.).
estimated ROI · USD · AI analysis
ROI Calculation Logic

Assuming annual LPWA network operational costs of ~$1.3M (AI est.) and annual LPWA service revenue of ~$0.7M (AI est.), a 10% improvement in communication efficiency from this technology could reduce operational costs by 5% (e.g., lower capital expenditure, reduced troubleshooting time) and create 10% additional revenue opportunities through enhanced data processing. Calculation: (~$1.3M operational costs × 5% reduction) + (~$0.7M revenue × 10% revenue increase) = ~$70K + ~$70K = ~$130K annual economic impact (AI est.).

Speed to Market
4× faster than in-house development
This technology's interference power estimation algorithm is already established, with its operating principles detailed in the patent specification. This could shorten development time by approximately 2.5 years compared to developing equivalent technology from scratch. Designed for integration into existing wireless communication systems, the established foundational technology allows for significantly compressing the prototype development and validation phases, accelerating time to market.
Competitive Positioning

X: Communication Stability & Reliability
Y: Operational Cost Efficiency

Business Models & Applications
🤝 Technology Licensing
License this technology's algorithms and implementation know-how to LPWA module manufacturers and communication equipment vendors to facilitate product integration.
⚙️ Embedded Solutions
Integrate this technology into existing wireless communication chipsets and base station software, offering it to telecom operators and IoT solution providers.
📊 Network Optimization Services
Provide LPWA network interference monitoring and optimization services utilizing this technology, delivering value to companies seeking reduced operational costs and improved communication quality.
Adjacent Application Opportunities
🚗 自動運転・V2X
Enhance In-Vehicle Communication Resilience
In V2X and vehicle-to-roadside communications for autonomous vehicles, signal interference in urban areas can be critical. Applying this technology could ensure stable communication in high-density wireless environments, potentially improving safety for millions of connected vehicles.
🏥 医療・ヘルスケア
Stabilize Wireless Medical Device Communication
Wireless medical devices and wearable sensors in hospitals are highly susceptible to noise and interference from other equipment. Implementing this technology could guarantee reliable transmission of critical medical data, enhancing the trustworthiness of patient monitoring and remote healthcare systems, impacting patient care for thousands.
📡 衛星通信・ドローン
Maintain High-Altitude, Wide-Area Communication Quality
Wide-area communication using drones and small satellites often faces challenges from ground interference and weather conditions. Applying this technology could optimize communication quality in real-time under these environments, maintaining stable data links for critical applications like remote sensing and disaster response, potentially covering millions of square kilometers.
Integration Roadmap — Estimated 15-Month Deployment
Foundational Validation & PoC
Duration: 4 months
Evaluate the technology's algorithm within the licensee's existing system environment and quantitatively confirm interference estimation accuracy and communication efficiency improvements through a Proof of Concept (PoC).
Prototype Development & Optimization
Duration: 7 months
Based on PoC results, develop a prototype for the licensee's LPWA communication devices and network infrastructure. Proceed with performance optimization and feature implementation in real-world environments.
Production Deployment & Operation
Duration: 4 months
Deploy the developed solution into the production environment, monitor overall system stability, and complete the transition to the operational phase through continuous performance evaluation and improvement.
Technical Feasibility
This technology primarily consists of digital signal processing algorithms, including an FFT unit for converting received radio signals into spectrum signals and a maximum likelihood estimation unit for correlation comparison. Consequently, it could be implemented via software or firmware updates on existing LPWA modules or base station DSPs (Digital Signal Processors) or FPGAs (Field-Programmable Gate Arrays), minimizing major hardware changes or new capital investment. Its high compatibility with existing systems suggests a low technical barrier to adoption.
Success Scenario
Implementing this technology could increase LPWA network data transmission success rates from approximately 80% to 95%. This may significantly reduce retransmission frequency and shorten communication delays by an average of 20%. As a result, data collection from IoT devices could become more reliable and faster, dramatically improving service reliability and efficiency in industrial applications and smart city infrastructure requiring real-time performance, enabling the creation of new high-value services.
Patent Record
APPLICATION NO.
特願2020-033360
REGISTRATION NO.
7341487
FILING DATE
2020/02/28
GRANT DATE
2023/09/01
EXPIRATION DATE
2040/02/28
PATENT HOLDER
国立大学法人信州大学
Examination History
2022年06月23日
出願審査請求書
2023年06月02日
拒絶理由通知書
2023年07月03日
手続補正書（自発・内容）
2023年07月03日
意見書
2023年07月20日
拒絶理由通知書
2023年08月04日
意見書
2023年08月04日
手続補正書（自発・内容）
2023年08月22日
特許査定