Secret Communication TRIZ Cases
- Anechoic Structures for EMI Absorption in Communications Modules
An anechoic structure with truncated pyramids absorbs electromagnetic interference, preventing signal disruption without altering the module form factor.
- Ranging Pseudo Noise Code Generator Using Modular Shift Register
Modular shift register generates ranging pseudo noise codes via cell ID and mask values, reducing processing time and memory requirements.
- Uplink ACK Detection Using Differential Modulation and Codeword Correlation
Receiver identifies transmitted codewords, adds secondary codewords to form third codewords, and calculates correlation values of orthogonal vectors for detection.
- Antenna Selection Using Predicted Packet Error Rate
A receiver selects antennas using predicted packet error rates to optimize signal paths.
- Security Management System for Cross-Role Modification Approval
A security management system defines ownership areas to route modification proposals through automated stakeholder approval workflows.
- Multi-Layer Wireless Server Node for UAV Video Distribution
A multi-layer wireless server node routes encrypted data from remote sources to local devices using distinct communication paths.
- Gaming Machine Conductive Sheet for Static Dissipation
A grounded conductive sheet intercepts electrostatic charge on the exterior member, dissipating it to prevent circuit damage and player shock.
- OFDM Receiver Frequency Response Estimation via Zero Insertion
Zero insertion and window multiplication in the frequency domain eliminate side lobes, reducing estimation errors and circuit complexity.
- Multicarrier Transmitter Quiescent Mode Power Reduction
A multicarrier transmitter reduces power consumption by scaling down symbol amplitudes and repeating frames in quiescent mode.
- Null Space Transmission for DC Offset Interference in OFDM
Transmitting data symbols in the null space of a desired frequency tone orthogonal to interference, eliminating DC offset estimation complexity.
- V-BLAST OFDM Receiver for PMD Compensation in Fiber-Optic Links
Iterative polarization cancellation compensates for fiber dispersion, improving bit-error ratio performance without overwhelming detection complexity.
- Blind Multichannel FIR Filter Identification via Iterative STLS
Iterative structured total least-squares technique re-estimates singular vectors to construct block-Hankel matrices for accurate channel estimation.
- Burst Tethering for Mobile Data Synchronization
Mobile device establishes periodic wireless access points to synchronize data, reducing battery consumption during idle periods.