Pilot Signal Allocation TRIZ Cases
- 5G NR SRS Signaling With Comb 8 UE Multiplexing
Comb 8 SRS, cyclic shifts, and UE-port mapping expand multiplexing capacity beyond comb 1, 2, or 4 configurations.
- Scheduled Time-Domain Windows for Uplink DMRS Bundling
Scheduling information defines DMRS bundling windows for uplink transmissions, improving spectral efficiency while reducing interference.
- RedCap UE Positioning With PRS Frequency Hopping
PRS frequency hopping improves RedCap UE positioning while RF retuning time extends measurement periods for accurate signal measurements.
- SRS Spatial Relation Updates via MAC CEs for Rapid Beam Adjustment
MAC CEs accelerate SRS spatial relation updates after RRC setup, enabling quick beam adjustments for aperiodic and semi-persistent resources.
- Multi-Slot PUSCH Coding Rate and DMRS Mapping
This case coordinates multi-slot PUSCH scheduling, transport-block sizing, and DMRS mapping to balance coding efficiency and uplink reliability.
- DMRS-Based PTRS Port Mapping for High-Frequency Communications
Predefined DMRS-to-PTRS mappings locate PTRS frequency positions as port counts expand, limiting interference during phase noise estimation.
- Sensing-Aware Signal Scrambling for Integrated Communication and Sensing
Existing schemes focus on communication; sensing-aware sequence generation randomizes interference for efficient joint communication and sensing.
- AI-Based Coherent Uplink MIMO for Flexible UE Antennas
AI encoder/decoder training adapts precoding to varied UE antennas and supports single- and multi-TRP uplink operation.
- Sidelink Positioning Signal Transmission via Unoccupied Resources
A sensing window identifies unoccupied sidelink candidates for positioning reference-signal transmission, improving resource use and reliability.
- Semiautonomous Uplink Scheduling Using UE Interference Measurements
UEs measure interference on configured time-frequency resources before requesting uplink parameters, helping reduce latency and improve resource utilization.
- Common Reference Signals for Sidelink Interference Detection
A network common reference signal lets sidelink terminals measure Uu interference and report results for resource selection.
- Positioning Reference Signal Hopping With RF Retuning Gaps
Gap symbols between hopped positioning reference signal groups give RedCap terminals time for RF retuning and improve positioning accuracy.
- UE Capability Signaling for Multi-Hop DL-PRS Positioning
UE capability signaling lets the network configure DL-PRS positioning across frequency hops for better resource use and positioning precision.
- Numerology-Based Scheduling Requests for Differentiated 5G Services
Numerology-specific SR parameters match logical channels to service needs, helping 5G networks allocate uplink grants with fewer delays and conflicts.
- 5G PRACH Time-Shifting to Reduce Sector Interference
Time- and frequency-shifted PRACH preambles let 5G sectors share a root sequence while reducing collisions, RAPID mismatches, and access latency.
- Resource-Level Uplink Reference Signal Precoding for MIMO Scheduling
Per-resource precoding links uplink reference signals to downlink resources for more accurate channel measurement and MIMO scheduling.
- Multi-Bandwidth Slot Configuration for Wireless Duplex Operation
Learn how UEs and base stations use nested slot configurations across two bandwidths to assign UL, DL, or flexible symbols for lower-latency duplex operation.