Spatial Transmit Diversity TRIZ Cases

This case uses base-station beam information to guide repeater filtering, improving 5G coverage while managing signaling overhead.

This case segments CSI feedback across timed uplink resources so the base station can recover all channel information accurately.

Sequence transformations reduce LTF PAPR across resource units and multi-stream PPDU scenarios, supporting reliable channel estimation.

Sidelink control data carries a transmit equalization matrix, shifting processing to a companion UE to extend XR uptime.

This communication case uses network-configured RS resources to train terminal AI/ML models while reducing beam and CSI reporting overhead.

This case uses base-station control information to select multicarrier or single-carrier waveforms for NR uplink shared channels.

Preconfigured TCI states and codepoints let a UE switch PUCCH or PUSCH between non-SFN and concurrent multi-TRP SFN transmission.

A segmented synchronization raster identifies direct and RIS-reflected paths while preserving one-shot access for legacy and advanced UEs.

A legacy field followed by an ELR signature helps receivers identify long-range packets without complex hypothesis tests.

Explicitly indicating the right multiplication matrix helps terminals select CSI codebooks while limiting FDD feedback overhead.

This case uses higher-layer counting to trigger a random access preamble only after repeated beam failures, supporting stable recovery.

Grouped SRS resources let base stations schedule multiple UE antenna panels independently.

This case uses on-demand PRS and dual-level thresholds to refine neighbor-cell beams, improving UE detection while limiting resource waste.

Separate Sync-S-SSBs and BM-S-SSBs help terminals measure beam state information while limiting reference-signal interference.

Preset phase and amplitude weights form orthogonal downlink beams, while uplink measurements guide selection and user scheduling.

This NR framework coordinates beam sweeping, measurement, reporting, and refinement for diverse coverage needs and seamless mobility.

Channel-based codebook feedback guides precoding selection, reducing inter-cell interference and improving cell-edge throughput.

This case uses grouped streams, orthogonal modulation, and super streams to increase EHT Wi-Fi throughput while supporting legacy STAs.

Multiple spreading codes and antenna elements improve satellite links for terminals with unknown locations or low signal-to-noise ratios.

This case coordinates TCI states, SFN signaling, and search space linking to manage PDCCH reliability and device complexity.

This case adapts CSI reference slots to computation time, helping wireless UEs avoid stale feedback and wasted resources.

This case uses measured candidate beams, dedicated or shared PRACH preambles, and macro-cell fallback to restore links after beam failure.

Matched filter banks combine DOD and DOA angles to distinguish direct from multipath propagation and clarify the sensed radar environment.

Ephemeris-based communication schedules prepare satellite handovers in advance, improving service continuity and scalability.

A UE receives reference signals across antenna groups and time-frequency resources to improve distributed MIMO CSI reporting.

Bit-sequence mapping unifies SRS resources for antenna switching, codebook, and beam management with lower overhead.

This case uses observed and reference covariance matrices to estimate channel phase shifts and improve anti-jamming processing.

Parent-node signaling links restricted IAB-DU and IAB-MT beams to reduce interference and support efficient simultaneous multiplexing.

Using terminal and satellite motion data, this case predicts switching times to reduce signaling and measurement burden in NTN networks.

Partial frame blanking embeds reference signals for faster MIMO CSI feedback, reducing latency, resource overhead, and retransmissions.

RE, symbol, and puncturing masks coordinate O-DU/O-RU resources, reducing signaling overhead and processing complexity.

PEI responses streamline UE paging and reduce power use across occasions and beams.

This case uses threshold-based selection of beam failure reference sets to preserve URLLC connectivity during multi-TRP RF blockage.

Air-interface-driven antenna switching connects one RRU to multiple antennas, reducing RRU costs while preserving coverage.

A base station activates secondary PUCCH resources and delays CSI reception to distribute control load across cells.

Time-based antenna switching reduces 5G NR interference and power use.

This case uses ZP SRS, CSI IM, and NZP CSI RS resources for selective L2 CLI measurement and reporting in 5G NR.

The terminal separates BFR response and other search spaces, balancing beam recovery reliability with monitoring power.

This communications case combines downlink and uplink beam indications to reduce signaling overhead while supporting flexible beam updates.

This radio-network case uses beta selection by subcarrier spacing to improve time-domain behavior while meeting EVM and ACLR limits.

The UE reports measurements for each port, helping the base station select more reliable receive and transmission beam pairs.

An experience tester guides beamforming and handover decisions to manage contention, latency, and disconnections across services.

Coarse PMI feedback increases quantization noise; a super-resolution network reconstructs finer channels for more accurate MIMO precoding.

Polarization metrics from beam sweeps guide beam selection, preserving orthogonality and reducing cross-talk in MIMO links.

Multiple PUCCH groups distribute control signaling and ease primary-cell load.

This case combines DU SRS beams with RU DMRS refinement to refresh uplink beamforming and reduce fronthaul burden.

Optimal partitioning assigns discrete IRS weights with linear complexity, reducing grating lobes without iterative beamforming search.

This case uses timed wideband and subband CSI reports to predict full channel state information with less communication overhead.

This case uses shared and non-shared codebook indices to preserve multi-TRP CSI detail while reducing FDD feedback overhead.

This CSI reporting approach uses one shared PMI across channel measurement resources to reduce overhead and improve joint transmission.