Spatial Transmit Diversity TRIZ Cases

Separate antenna arrays and a PA reference chain cancel self-interference, helping expand uplink coverage in SBFD communication.

This case configures distinct channel and interference resources in one set to improve CSI accuracy while reducing measurement overhead.

T1 and T2 reference signals, each below the RIS cell count, support cascaded-channel estimation with lower overhead.

UE processing-state feedback lets networks set beam-dependent offsets for adaptive beamforming timing.

A base station uses timed, single-resource-element scans and replies to align user beams with less handshaking and interference.

CSI offset reports align RF modules for coherent beam combining and higher EIRP.

Static-to-dynamic beam mapping helps the UE predict optimal beams while limiting signaling and measurement overhead.

Separate UE coherence reporting lets network nodes select codebooks by reference signal type, improving uplink phase coherency.

Subset-based codebook indications support multi-beam 5G transmission while controlling signaling overhead.

Position and error information maps terminals to beam, beamforming, or polarization modes, reducing training overhead and computation.

This case uses monitored machine-learning models and baseline fallback to balance channel feedback speed, accuracy, and UE power.

This case uses guard-period-aware direction indications to maintain uplink or downlink transmissions between reference signal sets.

Diversity and scheduled-layer indications let the O-RU reconstruct weights while reducing redundant zero-weight transmission.

A passive reflector switches between working and sleep modes to extend NLOS coverage without repeater-level power use.

This case segments channel access and per-symbol beam control to improve unlicensed-band reliability while limiting latency overhead.

Event-based and adaptive beam/CSI reports preserve channel awareness while reducing signaling overhead and terminal power use.

This case combines access and backhaul antennas through dynamic beamforming, reducing hardware complexity while preserving gain.

This 5G NR approach lets UEs switch to beam-mapped scheduling occasions autonomously, improving uplink reliability without extra signaling.

This case uses preconfigured PUCCH parameter sets and lightweight switching to reduce RRC latency during dynamic radio conditions.

This case uses channel-quality thresholds to trigger partial BFR and skip full-BFR requests while recovery is ongoing.

This case uses on-demand CSI-RS or SRS requests to improve channel measurements and refine MIMO parameters under fading or blocking.

This case uses FD-OCC longer than 2 to manage DMRS ports and support downlink sharing without extra CDM groups.

This case combines predefined and MAC CE-indicated QCL to configure PUCCH spatial relationships with less signaling overhead.

This case configures uplink and downlink resources at the radio equipment using local or REC-supplied beamforming weights.

OTFS maps signals into the delay-Doppler domain to simplify channel estimation and reduce interference during high-mobility communication.

Pilot-based RIS element estimation builds a quantized phase codebook to limit beam squint and radio-resource demands.

Enhanced PUCCH formats use subslots, transmit diversity, and configurable power to support reliable, low-latency URLLC HARQ-ACK feedback.

COT-aware LBT selection cuts interference and power use across multiple subbands.

An assisting node modifies reflected radar waveforms so a V2X UE can classify blocked targets and estimate their locations.

Beam configuration indices help satellite networks adapt to motion while limiting signaling overhead and terminal power use.

A signaling-based mechanism maps candidate states to spatial relation parameters for flexible multi-beam and multi-TRP reception.

User signal feedback guides a mobile deployer to redirect millimeter-wave paths, reducing fixed redistributors while maintaining coverage.

A communication node determines first parameters from second parameters, reducing signaling overhead and beam switching delay.

This case uses QCL and spatial relation assumptions to simplify UE beam handling and enable timely PRACH beam switching.

Base stations scan synchronization beams while terminals provide feedback, improving setup reliability without excessive beam overhead.

A two-part CSI report prioritizes essential coefficients and omits lower-priority data when activated BWP resources are limited.

When a primary beam degrades, protocol-layer signaling selects contention-based or contention-free access resources for link recovery.

A beam failure recovery timer cancels triggered BSR or SR requests, reducing unnecessary sidelink mode 1 resource allocation.

Dominant and non-dominant time taps receive different quantization treatment, reducing CSI feedback overhead while retaining PMI accuracy.

This case derives second-beam quality from first-beam information, reducing repeated measurements and processing overhead.

Dynamic beam-set periodicities reduce RS overhead while preserving measurement quality.

Serial transceivers switch between subarray and element-level beamforming to reduce bandwidth demands while preserving coverage.

User equipment and network devices exchange polarization settings for multiplexing across downlink, uplink, and handover.

Timed capture slots let one RF receiver analyze multiple MIMO streams while reducing synchronization delays, hardware cost, and test time.

This case transmits beam failure recovery responses through associated serving cells to improve detection and reduce recovery delay.

Beam and module locks prevent selection variability from masking underperforming UE antenna modules during spherical coverage testing.

This case shows how a UE chooses between MAC CE and PDCCH beam information for timely PUCCH and PUSCH uplink transmission.

An AP coordinates staged CSI feedback from multiple STAs, reducing wait time and resource waste in MU-MIMO WLANs.

This case uses reflected mmWave signals and adaptive beamforming to detect movement without relying on UE presence.

This case uses fixed-matrix precoding and sequential phase changes to preserve MIMO data rates while improving LOS reception quality.