Spatial Transmit Diversity TRIZ Cases

Shared amplifiers and tunable attenuators let RIS subarrays boost or damp wireless signals with lower power use, cost, and interference.

Sequential antenna switching and reflection-coefficient measurement enable per-antenna impedance tuning despite user handling and coupling changes.

A bitmap lets the UE report full, partial, or no beam correspondence, helping the base station choose compliant uplink beams.

Switching antenna patterns within one PPDU lets a WLAN access point improve reception and cut RTS/CTS training overheads.

A RIS reflector redirects RF signals at predefined angles to simplify beamforming qualification while preserving measurement precision and test reliability.

Odd half-period antenna spacing helps prevent simultaneous V2V signal nulls from road and lateral reflections, improving reception reliability.

A gradient-index Luneburg lens forms uniform beams from surface radiators, improving gain consistency and reducing interference in Massive MIMO.

RF angle-of-arrival guides optical beam pointing between moving devices, cutting free-space link alignment time, sweep effort, and power.

Separate front-end paths for polarized array antennas cut RFIC area and complexity while preserving reliable RF signal processing.

Hand position sensing lets a UE detect antenna blockage and switch antenna configurations to reduce interference and preserve signal quality.

Adaptive antenna switching selects the best RF path to maintain signal quality under space limits and user interaction while reducing loss.

A moving-window panel switching rate report lets network nodes adapt beam settings and maintain radio connectivity during frequent antenna panel changes.

A curved lens refracts phased-array beams to widen steering range while maintaining beamforming gain in 5G and mmWave links.

Multiple antenna elements are selectively split between communication and wireless power transfer to keep an access point link active in low-power mode.

A phase-reconfigurable reflectarray forms beams and nulls before reception, suppressing multiple interference sources with one receiver.

Multiple RIS-reflected SRS time-of-arrival measurements improve UE positioning accuracy while managing 5G measurement complexity and latency.

Distributed RIS control splits reflection tuning between remote, local, and UE nodes to cut overhead and extend non-line-of-sight coverage.

A master-satellite beamforming layout uses low-loss interposers to route RF signals with less PCB loss, lower complexity, and better IC area use.

Beam indications from a base station let a terminal select a reception beam for wireless energy charging with higher transmission efficiency.

Base-station resource signaling schedules wireless energy charging to improve transfer efficiency and limit interference with coexisting networks.

Network-side mode signaling keeps RIS uplink and downlink operation aligned, improving signal reception and transmission consistency.

Variable phase shifters steer passive reflected mmWave coverage around obstacles, extending wireless service without costly RF repeaters.

Reconfigurable switching paths create multiple beam patterns without costly phase shifters, reducing path loss and extending 5G coverage.

Lens selection matched to signal frequency helps FR2 MIMO antennas handle path loss and frequency variation without changing element spacing.

Programmable digital outputs directly bias beamforming MMICs, cutting phased-array SWAP while preserving reliable beam steering control.

A 3D-printed stacked patch antenna uses corrugations and a central post to support multi-beam LEO links in tight mass and space limits.

Alternating ±45° and 0°/90° polarized antenna rows separate contiguous beams, reducing channel correlation without digital signal processing.

AI-guided RIS channel measurement cuts reference signal overhead while improving channel estimation accuracy in wireless links.

A Butler matrix paired with a spaced lens enables high-directivity mmWave beam steering with fewer radiating elements, lower power, and less space.

Grouped tunable resonators share physical stimulus inputs to create diverse beam patterns while reducing beamforming control complexity.

By switching antenna elements on or off by range and interference, this phased array cuts wireless energy per bit while holding data capacity.

Beam steering and a beam-service table let one phased array link identify entering trains and send the right track image without separate detection hardware.