Free-Space Transmission TRIZ Cases

RF-modulated free-space optical transmission uses distortion correction and optical amplification to maintain long-distance, high-speed links.

Short-coherence optical transmission and distortion correction help carry RF signals through turbulent air with long-range reliability.

Short-coherence optical modulation and distortion correction help free-space RF links maintain long-distance throughput with fewer bit errors.

A frequency gradient metasurface and pulsed laser create fast continuous beam steering without multiple phase shifters or long beam search delays.

Segmented OPA switching shares one aperture across multiple remote terminals, maintaining continuous optical links with fewer terminals and lower complexity.

Two light paths split OFDM polarities in the optical domain, cutting DC bias power and enabling single-ADC LiFi reception.

A rotatable optical resonator replaces complex local-oscillator demodulation and adapts to varying data rates and modulation formats.

Segmented surface regions reduce spherical aberration in an electromagnetic flux controlling member, improving wave convergence and communication gain.

Direct oscillation sensing and feedback control keep spatial light links aligned when apparatus motion cannot be captured by GPS alone.

Detected input and output optical power guide bias and modulation current control to cut fixed-power waste across varying link distances.

Feedback from input and output optical power lets the module tune bias and modulation currents to match link distance and reduce energy use.

Frequency- and time-division dithering adjusts OPA phase shifter subsets to correct wavefront errors and maintain beam power under turbulence.

A tunable optical resonator uses thermal and piezo control to match wavelength and modulation changes while maintaining beam pointing.

Feedforward and feedback correction helps FSOC terminals counter disturbances, maintain beam pointing, and cut beacon power use.

A single edge coupler and transceiver port let one PIC chip send and receive optical signals with lower loss, fewer alignment errors, and simpler packaging.

Feedforward and feedback control uses disturbance data to keep FSOC terminals aligned, cutting link interruptions and reactive correction power.

A monolithic ruled optical surface steers transmit and receive light patterns over a wide spectral band without power-hungry galvanometers or MEMS.

A controllable local light bias gives SiPM OWC receivers adaptive gain control to curb distortion under eye-safety and bandwidth limits.

Side-by-side optical systems with different aperture sizes keep the detector from saturating while maintaining optical wireless range.

When sunlight saturates one receiver element, independent channel segmentation invalidates its output so adjacent channels keep communicating.

Two reflectors fold the light path through the casing, improving space use so the optical module can be made smaller.

A controller compares photodetector signals through a multiplexer, selecting the better output as underwater light conditions change.

Combining multi-carrier signals before digital-to-analog conversion enables higher-order analog modulation for massive MIMO capacity.

Large, power-hungry InGaAs sensors limit wearable SWIR links; CQD image sensing enables compact laser pulse detection and decoding.

Connection monitoring detects work-stage transitions and switches optical links to planned destinations, reducing communication setup delays.

Direction-detection elements and a movable receiver help align incoming spatial optical signals for stable communication.

Laser-induced plasma replaces vulnerable physical antennas, while position-coded beam emissions carry digital information through resilient RF links.

An optical management system uses upward signal quality to identify lower-window contamination and guide timely maintenance.

Laser-induced optical breakdown creates plasma RF emitters that encode data in noise pulses, avoiding antennas vulnerable to weather and attack.

Dynamic amplitude and phase control across segmented optical-carrier paths reduces effective V_pi and supports gigahertz-range SSB RF modulation.