Passive Radio Relay Systems TRIZ Cases
- Passive Repeater Antenna Coupling Through Conductive Housing
Galvanic coupling between inserted antennas forwards radio signals through conductive barriers, eliminating active repeater complexity and wiring requirements.
- Full-Duplex Analog Relay for RFID Signal Extension
An analog relay extends passive RFID range by amplifying continuous wave power while using phase offsets to reduce self-interference in cluttered warehouses.
- RIS Equivalent Off-State for Interference Management
An equivalent off-state directs incoming signals away from nearby devices, resolving the trade-off between energy efficiency and interference reduction.
- Repeater Frequency Conversion for MIMO Signal Decoupling
A repeater converts MIMO signals to unused frequencies using a test receiver and converting device.
- Per-area signal measurements for RIS security detection
Primary nodes aggregate UE measurements to detect compromised reconfigurable intelligent surfaces and reduce network signaling overhead.
- Passive Wi-Fi Beamforming via Beacon Reception
Station identifies optimal transmission and receive sectors by receiving directional beacons on millimeter wave bands during inactive states.
- Adjustable Pivot Reflector for Millimeter-Wave Non-Line-of-Sight Links
An adjustable pivot reflector redirects millimeter-wave signals between transmitter and receiver units.
- Passive Reflector for Vehicle-to-Vehicle Communication
A passive reflector apparatus deflects electromagnetic radiation between motor vehicles on curved roadways.
- Metastructure Reflector Module for Non-Line-of-Sight Coverage
A Metastructure Reflector Module directs wireless signals to mobile devices using beam forming.
- Waveguide Apparatus for Wireless Signal Propagation Through Metal Barriers
A waveguide apparatus transmits wireless signals through a metal barrier using Transverse Electro-Magnetic mode propagation along an insulated conducting member.
- Signal Passing Structure for VR Headset Line-of-Sight
An external signal passing structure adjusts transmission paths to bypass blind areas and prevent disconnections.
- Passive Radio Module for Building Façade Coverage
A passive module with a radio transmission regulating structure controls signal penetration through building walls.
- Wireless Relay Device Control via Identification Information
A wireless relay device decodes identification information to route downlink signals accurately.
- Reconfigurable Filter Beamwidth Control for Coverage Enhancing Devices
Dynamic beamwidth control via reconfigurable filters resolves the contradiction between expanding coverage area and maintaining regulatory EIRP limits.
- Dual Passive Reflect Array Antenna for Millimeter Wave Relay
A dual passive reflect array antenna generates directional beamforming signals using two separated reflectors to achieve high gain.
- Compact Passive Repeater Antenna Arrays Conformal Mapping
Antenna arrays achieve conformal mapping to relay Wi-Fi signals, solving size constraints in confined spaces.
- Millimeter-wave PA Network with Reflective Walls
Wall-mounted reflectors redirect millimeter-wave signals around obstacles, reducing multipath interference for reliable indoor streaming.
- UAV Reconfigurable Intelligent Surface for Signal Steering
A reconfigurable intelligent surface steers signal reflections to maintain connectivity.