Market Context — Why This Technology, Why Now

The increasing density of connected devices, driven by Industry 4.0 and smart city initiatives, is saturating existing communication channels and increasing data collision risks. Regulatory bodies are pushing for more efficient spectrum use, while businesses demand ultra-reliable, low-latency communication for mission-critical applications. This technology directly supports these trends by enabling more data throughput within limited spectrum, reducing operational costs, and future-proofing networks against escalating traffic demands.

Key Competitive Advantages
01

Significantly Enhances Transmission Efficiency: Optimizes logical and physical index modulation to efficiently utilize frequency channels and time slots, potentially increasing communication bandwidth utilization by ~20% compared to conventional methods.

02

Ensures Exceptional Communication Reliability: Suppresses packet collisions, significantly reducing data retransmission and enabling stable, high-reliability data transmission in mission-critical environments.

03

Improves Real-time Performance: Reduces communication latency through a collision avoidance mechanism, making it suitable for ultra-low-latency applications such as industrial robot control and autonomous driving assistance.

Market Opportunity
Smart Factories
$3.5B (AI est.)
In factory environments where numerous sensors and robots collaborate, real-time and stable communication is crucial for enhancing productivity and automation. This technology suppresses communication collisions, enabling highly reliable data transmission and contributing to manufacturing line efficiency.
Industrial automation solution providers Robotics manufacturers Smart factory equipment OEMs
IoT Devices & M2M Communication
$20B globally (AI est.)
In an era where connected cars, smart home appliances, and wearable devices are all connected to the internet, this technology is essential for efficiently utilizing limited bandwidth and ensuring stable communication, thereby enhancing device performance and maintaining service quality.
Connected device manufacturers M2M communication module developers Smart city infrastructure providers
5G/Beyond 5G Infrastructure
$13.5B globally (AI est.)
Next-generation communication standards demand ultra-high speed, ultra-low latency, and massive simultaneous connections. This technology supports the achievement of these requirements by suppressing packet collisions at the physical layer, contributing to infrastructure development as a foundational technology for innovative service provision.
Telecommunication equipment vendors Network infrastructure developers Mobile network operators
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent protects an information transmission system and method that suppresses packet collisions using logical and physical index modulation. With 8 claims, the scope is robust, having successfully overcome a rejection during examination, indicating strong foundational value and reduced invalidation risk.

Competitive White Space

This patent primarily covers physical layer index modulation for collision suppression. White space exists in higher-layer protocol optimizations for specific application data flows, integration with advanced quantum-resistant security protocols, or novel hardware architectures for ultra-low power PLIM implementations.

Economic Impact
~$1.5M/year estimated opportunity cost reduction and cost savings per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

In high-density IoT environments, this technology could reduce packet collision rates by ~30% compared to conventional methods. This could improve communication bandwidth utilization by ~20%, potentially curbing communication infrastructure expansion costs by ~$0.5M/year (AI est.) or generating ~$1.5M/year (AI est.) in new business opportunities through equivalent data processing capacity improvements.

Speed to Market
6× faster than in-house development
This technology features established logical and physical index conversion algorithms, making it easy to integrate into existing communication protocol stacks. Prototype-level operational verification is also feasible, allowing licensees to bypass the initial R&D phase and move directly to rapid commercialization. This could shorten time-to-market by approximately 2.5 years compared to in-house development.
Competitive Positioning

X: Communication Reliability & Stability
Y: Frequency Utilization Efficiency

Business Models & Applications
🤝 Technology Licensing
A model where the technology's algorithms and implementation know-how are licensed to communication equipment manufacturers and IoT solution providers, generating royalty revenue.
🧑‍💻 Joint Development & Customization
A model focused on customizing this technology for specific industry sectors or customer needs, developing solutions jointly. This secures development fees and future revenue shares.
📦 Communication Module Integration
A model involving the development of communication modules embedded with this technology, supplied to IoT device manufacturers and base station vendors. This enables easy integration of high-performance communication.
Adjacent Application Opportunities
🏭 Industrial IoT
High-Reliability Robot & AGV Coordination
When numerous robots and AGVs (Automated Guided Vehicles) in a factory operate in real-time coordination, integrating this technology could suppress communication collisions, reducing delays and malfunctions. This has the potential to significantly enhance overall production line efficiency and safety.
🚗 Autonomous Driving & ITS
Stabilized V2V/V2I Communication
In autonomous driving systems, this technology could suppress packet collisions during high-density data exchange in Vehicle-to-Vehicle (V2V) and Vehicle-to-Infrastructure (V2I) communications. This ensures reliable transmission of critical information and sensor data, contributing to enhanced safety.
🏥 Digital Health
Remote Healthcare & Biometric Data Transmission
This technology has the potential to achieve the extremely high communication reliability and low latency required in medical fields, such as remote surgery assistance and real-time biometric monitoring. It could ensure the secure transmission of critical patient data, accelerating healthcare digital transformation.
Integration Roadmap — Estimated 23-Month Deployment
Phase 1: Technology Evaluation & Prototype Development
Duration: 5 months
Evaluate the technology's compatibility with the licensee's existing communication environment and develop a prototype of core functionalities. Finalize technical specifications and implementation strategy.
Phase 2: System Integration & Pilot Testing
Duration: 9 months
Integrate the prototype into existing communication systems and conduct pilot tests under conditions similar to actual operation. Evaluate performance, test stability, and optimize settings.
Phase 3: Commercial Deployment & Optimization
Duration: 9 months
Based on pilot test results, proceed with full-scale commercial deployment. This phase involves continuous operational monitoring and performance data analysis for further optimization and feature expansion.
Technical Feasibility
This technology's logical and physical index conversion processes can be implemented as a software module, allowing for additive integration into existing communication systems and base stations. The patent claims' components are realizable on standard DSPs or FPGAs, indicating low adoption barriers without requiring extensive hardware modifications. High compatibility with existing infrastructure suggests efficient integration.
Success Scenario
Implementing this technology could reduce packet collision rates by up to 30% in high-density IoT data transmission environments. This may lead to an average 15% reduction in communication latency, improving the coordinated control of AGVs in smart factories and increasing the operational efficiency of real-time industrial equipment, potentially boosting productivity by 10% annually.
Patent Record
APPLICATION NO.
特願2021-167219
REGISTRATION NO.
7740695
FILING DATE
2021/10/12
GRANT DATE
2025/09/08
EXPIRATION DATE
2041/10/12
PATENT HOLDER
国立大学法人電気通信大学
Examination History
2024年09月11日
出願審査請求書
2025年05月20日
拒絶理由通知書
2025年07月15日
手続補正書（自発・内容）
2025年07月15日
意見書
2025年08月05日
特許査定