Site Diversity TRIZ Cases

Different OCC lengths and split DMRS port indication help terminals identify multi-TRP CJT ports for accurate channel estimation and demodulation.

Power-offset channel estimation helps terminals derive CQI and CSI that match actual multi-TRP transmission conditions and improve throughput.

Pilot-signal measurement lets UEs trigger IRS handover, extend 5G/6G coverage, and reduce added base-station deployment and power use.

A single MAC CE activates DL and UL TCI states together, cutting signaling overhead and latency for beam management without beam correspondence.

Preconfigured spatial relationship signaling helps UEs sustain multi-TRP sub-band full-duplex links when uplink and downlink TRPs differ.

Priority rules and time-interval thresholds help determine spatial parameters for multiple same-symbol signals in Multi-TRP and Multi-Panel transmission.

Common logical antenna mapping and shared receiver processing coordinate multi-AP streams to reduce interference and hardware duplication.

A unified AP coordination framework switches among beamforming, spatial reuse, and dedicated TXOP modes to improve capacity under interference.

Shifting beam center targets across scheduling intervals lets terminals transmit at stronger signal moments, raising capacity while preserving fairness.

Multiple TA fields in an RAR let a terminal map TA values to TAGs and avoid QCL conflicts during multi-TRP uplink transmission.

APs exchange downlink control transmission method information to balance wireless capacity, interference, and decoding reliability in multi-AP uplink transmission.

Guard window timing lets new APs join coordinated multi-AP groups without reformation, preserving synchronization and reducing signaling overhead.

UE-side energy detection confirms which TRPs sent CSI-RS after LBT failures, improving CSI feedback accuracy for unlicensed CoMP.

A flexible MAC CE activates multiple TCI state sets across TRPs, reducing signaling overhead and improving DL/UL coordination.

Reciprocity-based feedback keeps CoMP base stations phase-aligned during transmission, reducing drift, interference, and calibration overhead.

TRP-specific CSI codebook selection lets a UE report more accurate PMI across multiple TRPs, improving beamforming and interference handling.

Multiple SRS resource sets and CSI-RS feedback let terminals coordinate antenna panels for cooperative PUSCH transmission in URLLC uplinks.

Preconfigured TCI state sets and optional DCI selection cut beam signaling overhead while improving flexible PDSCH reception in 5G/NR.

Shared sequence numbers across access points keep transmission buffers aligned, preventing packet mismatch and buffer stagnation in Joint Tx.

Flexible PTM mode selection between transmit diversity and beamforming helps LTE networks serve UEs with different geometry more efficiently.

Event-triggered UE beam reports cut signaling overhead while enabling faster switching between sTRP and mTRP modes.

UE capability reporting lets base stations assign cooperative modes that mitigate downlink and uplink interference while managing processing load.

A DU selects RU-specific combining schemes from SNR, timing delay, and clamping metrics to cut interference and DU processing load.

Time-divided beam transmission lets synchronized network nodes superpose signals at the cell edge, improving NR coverage and reception.

Codepoint-linked CMR and IMR resources let UEs measure dynamic multi-TRP interference more accurately without excessive CSI complexity.

Compatible AP lists and reuse scheduling curb interference among nearby Wi-Fi access points while improving throughput and lowering latency.

TRP grouping lets terminals select and report only part of a CoMP set, cutting CJT feedback overhead while supporting synchronization.

Panel-specific DMRS port allocation supports multi-TRP uplink RANK combinations, improving reliability while limiting reference signal overhead.

A single RI and CQI with TRP-specific PMIs simplifies CSI feedback for coherent joint transmission while improving MIMO coverage and throughput.

Neighboring base stations exchange beam pattern information in advance to identify high-interference beams and mitigate dynamic TDD cross-link interference.

A single DCI carries beam and precoding fields to switch between single-TRP and multi-TRP transmission with better reliability and throughput.

Multiple SRS resource sets and DCI SRI fields coordinate PUSCH transmission occasions across TRPs to improve uplink reliability with less signaling overhead.

DFT and IDFT-based CSI compression with CRI-first reporting reduces multi-TRP feedback overhead without degrading 5G NR performance.

By embedding TRP phase and amplitude factors into a combining coefficient matrix, this case cuts feedback overhead while improving downlink precoding.

Preconfigured TRP-specific reference signals let UEs report beam groups that can be sent and received simultaneously, improving downlink efficiency.

TCI states are selected by frequency range, terminal capability, and DCI-to-DL timing to keep downlink quality and throughput stable.

Auxiliary signaling and beam tracking help devices synchronize across overlapping base stations, cutting latency and improving throughput.

By linking multiple CSI-RS resource settings, joint CSI reporting cuts measurement latency and improves CSI accuracy in multi-TRP downlink transmission.

Varying all-beam search order and reusing beam combination history cuts search overhead while preserving transmission capacity.

Low-latency traffic info is packed into TWT control and bitmap fields to improve Multi-AP coordination with lower signaling overhead.

Dynamic point selection lets a UE report compact CSI for selected TRPs, cutting signaling overhead while supporting coherent joint transmission.

When PUCCH overlaps multi-panel PUSCH to different TRPs, UCI is multiplexed onto PUSCH to avoid collisions and preserve uplink reliability.

Splitting multi-TRP CSI by NZC and basis information lets networks prioritize key TRPs while preserving correct CSI association and report accuracy.

A common precoding index for co-located TRPs cuts CSI feedback overhead while supporting coherent transmission and higher link reliability.

A unified control message and restartable timers coordinate BWP switching across multiple TRPs to reduce gaps and signaling overhead.

A base station assigns SRS-specific power control parameters so the UE applies the right loop for each uplink condition and avoids inaccurate adjustments.

Combining intra-RRH precoding with inter-RRH diversity improves distributed MIMO channel estimation and downlink transmission robustness.

Control signaling switches single- and multi-TRP uplink modes and beam mapping to maintain communication quality under high-frequency blockage.

Coordinated DIDO transmissions use distributed antennas and channel feedback to suppress inter-cell interference and lift cellular spectral efficiency.

A coordinated precoding scheme limits inter-cell and inter-SP interference under imperfect CSI without CSI exchange or central power control.