Pilot Signal Allocation TRIZ Cases

This case coordinates adjacent asynchronous TDD systems through shared frequency resources and slot changes to improve spectrum use.

This case uses flexible slots, subband allocation, beamforming, and signal cancellation to manage 5G NR cross-link interference.

DMRS timing preserves phase and power continuity across consecutive uplink slots.

MAC-CE and DCI signaling switch SRS hopping between wideband and sub-band modes to balance channel accuracy and UE energy use.

Dynamic PRS window priority signaling balances positioning accuracy and data transmission efficiency when downlink resources collide.

Adaptive OCC placement addresses mmWave resource element failures.

Recursive estimates from pilot sub-symbols reduce phase-noise errors and support higher order modulation.

Group-limited spatial reuse reduces node interference and improves dense-network throughput.

This case reuses PTRS-DMRS, TPMI, and SRI DCI fields to indicate associations across PUSCH occasion groups without added overhead.

This case adapts PRS priority during collisions, preserving positioning accuracy while limiting disruption to uplink communication.

This case selects surviving reference ROs after collisions to calculate RA-RNTI and MSGB-RNTI during PRACH repetition.

This case maps expanded DMRS ports and PTRS resources while RB bundling addresses orphan RBs in Release 18 scheduling.

UE mobility metrics adjust periodic or event-triggered location fixes, balancing MDT accuracy, battery use, and signaling overhead.

Inter-terminal signals help terminals calculate accurate position information autonomously.

This communication case maps PTRS across resource blocks using DMRS port-based offsets to improve phase noise estimation and demodulation.

A training device requests datasets as needed, reducing unnecessary transmission and air-interface overhead during model training.

Non-uniform CDM groups indicate more orthogonal DMRS ports for accurate 5G channel estimation.

The network device verifies terminal authority and sends essential credentials to prevent impersonation in sidelink positioning.

The apparatus uses an identification-based scrambling sequence to improve RACH reliability when preambles differ from local settings.

This NR case defines UE QCL selection for overlapping Aperiodic CSI-RS and dual-TCI PDSCH using scheduling-offset thresholds.

Resource subgroups cut PRS muting signaling overhead while supporting interference management.

This case reuses UL-SRS resources for sidelink beam management, guiding SL-BMRS transmission to save resources and enable spatial reuse.

Bit-mapped bandwidth switching helps full-duplex UEs reduce interference and improve resource use.

This case uses grouped PRACH preambles and PUSCH reporting to support positioning measurements without immediate RRC state transitions.

This wireless case uses one SRS resource set with multiple Tx parameter sets to support SFN transmissions and improve resource use.

Network indications trigger terminal uplink adjustments, suppressing conflicting transmissions while preserving URLLC resource use.

A transmitted signature verifies legitimate reference signals, strengthening wireless communication security without complex real-time checks.

This case maps uplink PTRS and DMRS ports through DCI, supporting 8 DMRS ports and accurate co-phase error estimation.

Separate PHY security keys protect source-to-tag and tag-to-reader links, securing passive IoT backscatter communication.

Detect positioning model drift from wireless changes and trigger timely updates.