Site Diversity TRIZ Cases

Space-time DCS coding supports signal combining without large CSI matrices or extensive feedback in low-coherence channels.

A master AP allocates frequency resource units to neighboring APs, synchronizing MU transmissions for wider bandwidth use in dense WLANs.

RRC-configured PUCCH resources and DCI index values separate HARQ-A feedback for reliable multi-TRP operation over non-ideal backhaul.

This case adapts radio bearers to user conditions and splits data across RLC entities to simplify CoMP timing.

This case uses TCI and CORESET indications to switch TRPs dynamically, reducing network energy use while maintaining communication quality.

PLLs and frequency mixers align distributed AP reference clocks to eliminate oscillator-driven carrier frequency differences.

This case uses QCL information and repeated transmissions to extend mmWave beam range despite attenuation and limited UE resources.

This case uses upper and lower MAC functions with point-to-multipoint links to improve mobile WLAN bandwidth in crowded spectrum.

This case uses measured reference signals and FDM/SDM to reduce RACH latency while supporting reliable multi-TRP MSG1 transmission.

Preset repetition, frequency, TCI, DMRS, and layer parameters clarify PDSCH modes for accurate multi-TRP reception.

This case coordinates CRI reporting across single and multi-TRP modes to improve CSI accuracy, efficiency, and switching flexibility.

This case maps measurement resources to distinct TRPs, improving channel reporting accuracy while reducing device power use.

This case selects cooperative or single-AP communication by distance, limiting interference without unnecessary null steering.

This case shows how capability-based GBBR modes report MRTD beyond CP for better beam pairing and coordinated multi-TRP scheduling.

This case maps PMI combination coefficients by priority into CSI reports, improving feedback accuracy and efficiency in CoMP transmission.

Multivariate TCI states coordinate port groups and coherency for robust 5G/NR downlink MIMO.

Combining MAC CE, BWP DCI, and dormant states synchronizes secondary cell transitions while reducing latency and power consumption.

This case uses semi-persistent CSI reporting from a UE to combine multiple-TRP channel data and streamline beam management signaling.

This case aligns uplink fronthaul data from remote units to expand multi-band coverage while reducing small-cell complexity.

Slot aggregation and beamforming ease wireless backhaul capacity crunch.

This case uses repeated PDCCHs, TCI states, and latest-symbol resource selection for more reliable, lower-latency scheduling.

Stations associate once with a shared BSSID, then receive PPDUs from multiple APs to support seamless WLAN roaming.

Separate downlink control for each codeword matches transmission-node channels and reduces demodulation errors in joint transmission.

This case uses linear combinations and block transforms across subcarriers to improve wireless transfer reliability across changing paths.

A cell-less RAN pools TRPs for UE connections, reducing operational cost, latency, and power demands across virtual and cloud RANs.

A multi-state QCL source configuration helps terminals estimate PDSCH channels as precoders and TRP counts change in CJT.

This case aligns a UE’s maximum MIMO layers with CSI-RS port counts and TRP dormancy transitions to improve communication performance.

This case uses SFN-aware TCI selection for PDSCH reception to reduce UE complexity and resource overhead in high-speed train networks.

A segmented CSI report signals basis-vector counts for multiple TRPs, helping networks derive precoding matrices with manageable overhead.

A unified codebook combines CSI from multiple TRPs to improve precoding accuracy and communication efficiency with less feedback.

Dynamic codebooks adapt to mobile ACS changes while limiting signaling overhead.

This case uses preconfigured PQI sets to signal MIMO layer and codeword configurations, improving CoMP coordination and CSI reporting.

This case uses Evanescent Cells and Beam-Groups to manage directional sub-THz links with less signaling overhead.

Multiple CSI-RS frequency units support channel measurement and selective reporting, helping 6G coverage while limiting feedback overhead.

This case shows how modified 802.11 Beacon and Probe Response frames establish M-AP CT BSS peering for dynamic transmission coordination.

This case uses a unified MAC CE with multiple codepoints to activate joint, DL, and UL TCI states across TRPs.

This case uses cell-indexed DCI and CSI requests to select a target cell, improving multi-cell resource allocation and latency.

The UE configures spatial-domain bases per TRP, decoupled from FD bases and NZCs, to support lower-overhead CJT CSI reports.

Separate CFRA resources for each TRP improve uplink synchronization while limiting multi-TRP control complexity.

This case assigns spatial relation RSs by CORESET pool to direct separate PUSCH transmissions toward the correct TRPs.

Pre-handover feedback lets base stations prepare reception resources, reducing transmission failures in fast-moving satellite cells.

A single or paired DCI coordinates eMBB and URLLC across multiple TRPs, enabling soft combining for reliable URLLC traffic.

This wireless case coordinates multipoint uplink channels with point-specific HARQ and power control to limit interference.

Group SSBs by repeating beam index to reduce UE processing without broadcast decoding.

Helper RISs and repeaters create indirect paths for spatial multiplexing, supporting multiple receiver layers despite mmWave blockage.

This case uses DCI and terminal control to apply single- or multi-TRP unified TCI states for improved NR throughput.

Separate HARQ Ack/Nack resources for multiple downlink streams reduce control complexity and delay across wireless configurations.

This case groups PUSCH repetitions by beam and precoder to manage PTRS-to-DMRS mapping and phase noise compensation.

This case uses TRP-specific beam groups to keep beam selection and transmission power efficient after recovery.

This case uses virtual RRH identifiers and PRS signaling to resolve cell-ID ambiguity and improve UE positioning accuracy.