Passive Radio Relay Systems TRIZ Cases

An RF bridge placed on both sides of an MRI shielded window preserves electromagnetic shielding while enabling high-bandwidth wireless links.

A portable intelligent reflecting surface lets user equipment route signals around blockage, improving wireless gain, throughput, and latency.

An exterior metasurface focuses radiowaves into an indoor waveguide, overcoming building attenuation and improving indoor uplink and downlink coverage.

Lens-based beam forming and RF switch paths redirect passive MIMO signals with lower power, less latency, and simpler architecture.

Precomputed correction terms adjust IRS phase shifts and orientations to offset surface curvature and imperfections, improving wireless throughput.

A Luneburg lens repeater redirects RF signals around tight corners and obstacles with passive or active beam steering and easier installation.

Switched RF transmission lines and lens-based beamforming cut phase shifters, power use, cost, and beam-control latency in passive MIMO.

A parabolic signal reflector boosts antenna sensitivity and stabilizes wireless communication between main and module BMS units.

Pre-set reflector altitude and angle combinations enable remote beam adjustment for stronger signal coverage in specified areas.

Alternating reflector rows handle multiple incident angles without weakening field strength, while a deformable structure simplifies wall or ceiling mounting.

Intermediate RIS phase shifts steer and concentrate reflected signals toward a main RIS to raise channel rank and reduce interference.

Multiple RISs are assigned as main and intermediate surfaces to raise channel rank and improve multi-user communication quality.

A fixed base-station antenna pairs with a movable relay antenna to track mobile objects, cutting path loss and interference.

By modeling each metasurface unit as an independent radiator, this case optimizes layout to improve wireless energy transfer efficiency and gain.

Reflective surfaces along production lines redirect 1-170 GHz radio waves to overcome machine interference and extend coverage with fewer base stations.

A structured conductive reflector redirects base-station signals into weak urban coverage areas without power, repeaters, or visual clutter.

Power-gradient sensing identifies when a user is near an IRS, enabling atom phase adjustment to keep reflected communication stable.

Using optical conversion between paired emitters and receivers, this case relays 5G signals through glass to reduce attenuation indoors.

Electronically tuned dielectric units steer antenna transmission paths around obstacles, reducing energy loss and weak mobile signal areas.

Configurable reflecting surfaces redirect high-frequency wireless signals to extend coverage while avoiding relay complexity and high power use.

A Luneburg lens repeater redirects and collimates RF signals around corners and obstacles to improve indoor coverage with less intrusive installation.

Passive reflectors redirect antenna side lobe energy to widen wireless coverage and reduce reliance on repeaters or added cells.

Configurable reflecting surfaces redirect high-frequency wireless signals to extend coverage while avoiding relay complexity and power use.

Dynamic phase control in a symmetric array antenna relay redirects incoming signals to chosen re-radiation angles across varying wavelengths.

A passive dual-polarized reflectarray broadens and deflects millimeter-wave beams to extend 5G coverage into blind zones.

Passive RIS beam steering extends THz LoS MIMO range by redirecting signals through SVD-tuned reflection matrices with lower complexity and power.

Spoof plasmon transmission lines and antennas guide electromagnetic waves around obstacles, cutting dead zones without denser base station deployment.

Mobility-aware RIS codebook selection cuts measurement and signaling overhead while keeping beam coverage accurate on moving vehicles.

RPAS lets an RIS preselect realizable reflect beams and guide beam allocation with lower signaling, power, and processing overhead.

Configurable vehicle RISs use tracking periods and measurement feedback to reduce interference and improve in-vehicle wireless reliability.

Portable passive reflectors extend UHF communication in tunnels by bouncing signals around obstacles without complex powered infrastructure.

Base station feedback from UE channel reports helps set IRS modes to improve reception and limit interference in changing wireless conditions.

A network node steers reconfigurable reflective surfaces to create pseudo-line-of-sight links around blockages and support multiple devices.

Separate UL and DL RIS selection uses control-RAT channel measurements to cut beam-training overhead and sustain high-frequency wireless links.

A network maps broadcast time-frequency resources to beam information, adapting coverage areas to reach terminals in signal holes.

Phase-shifted passive elements redirect RF signals around obstacles, helping weak wireless links overcome mmWave path loss with fewer active RF chains.