Spatial Transmit Diversity TRIZ Cases
- Base Station Antenna Directivity Control Using Known Signals
A base station controls antenna transmission directivity using known signals from communication terminals for downlink resource allocation.
- ML-Based Beam Management for 5G Network Latency
Machine learning models process environment measurements to suggest optimal beam options, reducing reference signal sweeps and transmission delays.
- L1 Channel State Based Conditional Handover Mechanism
A Layer 1 channel state based conditional handover mechanism uses current and past CSI reports to trigger cell switching.
- Dynamic UE Antenna Grouping for Uplink Interference Reduction
Dynamic antenna grouping coordinates user equipment and base station configurations to reduce uplink interference while maintaining throughput.
- Precoder Cycling Sets for MIMO Channel Adaptation
Precoder cycling sets use separated precoders to reduce interference and power consumption during high mobility channel adaptation.
- Compact Multi-Frequency Ring Antenna Design
A compact ring antenna uses strategically arranged air gaps and auxiliary conductors to resonate at multiple frequencies within a single integrated element.
- FPGA DOA Estimation via Signal Space Extraction
Extracting the signal space from covariance matrices reduces computational complexity for real time DOA estimation of coherent RF signals.
- Bit-Adaptive PMI Feedback for MIMO Systems
Bit-adaptive precoding matrix indicator feedback reduces signaling overhead by dynamically configuring precoder candidate sets based on channel statistics.
- Hybrid Zero-Forcing Beamforming for Multi-User Interference
Segmenting analog RF steering with digital zero-forcing precoding reduces hardware complexity while maximizing sum-rate in multi-user environments.
- Link Failure Recovery Using Primary Cell Uplink Resources
Terminal devices send link failure recovery requests via primary cell uplink resources to assist secondary cells.
- Antenna-Panel Switching Indication for Wireless Communication Systems
User equipment reports antenna-panel switching indication information to the base station, reducing system overhead from frequent uplink beam sweeping.
- Low-Complexity LMMSE Receiver Design for MIMO-OTFS Systems
A low-complexity linear minimum mean squared error receiver design for MIMO-OTFS systems uses matrix reordering and banded inversion.
- Beamforming Sector Capacity Multiplexing
A base station segments physical sectors into beam areas to multiplex time-frequency resources for user terminals.
- Mobility Reference Signal Allocation for Beam Quality Measurement
Network node selects mobility reference signal patterns based on channel diversity to reduce interference and power consumption from continuous transmission.
- Adaptive Channel Sounding Frequency for VR Wireless Stability
A wireless device determines channel sounding frequency based on movement characteristics to generate a request frame for dynamic beamforming.
- O-RAN RIC AI/ML Beamforming Mode Prediction
Third-party RIC controller uses AI/ML models to predict optimal beamforming configurations for multiple MIMO modes in O-RAN systems.
- RIS Side-lobe Suppression via Time-varying Control
A reconfigurable intelligent surface uses time-varying control parameters to suppress side-lobe interference.