Modulated-Carrier Systems TRIZ Cases

This case uses downlink indications to switch between CP-OFDM and DFT-S-OFDM, improving uplink coverage and throughput.

When the primary channel is busy, OBO and EDCA contention modes help wireless devices use bound secondary channels efficiently.

Reports measurement results with timing data to restore time-domain correlation.

A flexible film antenna and slotted conducting layer improve RFID reading consistency across tool orientations and manufacturing variation.

This case configures CLI-RS resources, measurements, and reports to coordinate transmissions and improve resource use in dynamic TDD.

DMRS and PUCCH sequences use symbol and frequency indices with adaptive hopping patterns to limit inter-cell interference in short TTIs.

This case uses maximum-magnitude frequency bins to improve phase-shift keying bit detection during rapid Doppler changes.

Dynamic LBT outcomes and CORESET remapping help NR-U devices handle unavailable sub-bands and improve transmission reliability.

This case distributes OFDM/OFDMA tones across wider bandwidth to improve transmission power while limiting PAPR and PSD violations.

Standardized RU allocation fields identify unused MRU subchannels, improving spectral efficiency and pilot subcarrier utilization.

This wireless sensing case uses multipath channel time series, autocorrelation features, and deep learning to reduce false alarms.

This case links preamble and payload occasions to SSB beams, balancing link quality and latency in two-step random access.

Radio features drive adaptive filters that estimate speech sources from mixed audio, reducing reliance on cameras in difficult scenes.

This case uses aggregated CSI reporting and optional location-based directionality to improve resource use in sidelink groupcast networks.

Slot- and synchronization-based Gold DMRS initialization improves sidelink PBCH demodulation while avoiding extra reference-signal overhead.

This case configures PTRS through MIB, DCI, and mapping rules to compensate phase noise during high-frequency initial transmission.

This case combines motion statistics, breathing analysis, seat occupancy scores, and CNN classification to reduce false alarms.

This case combines 26-, 52-, and 106-RUs with a 484-RU across 160/80+80 MHz channels for efficient PPDU reception.

This case combines RS and data before DFT-s-OFDM shaping, supporting one-symbol MIMO transmission with lower latency and RS overhead.

Channel estimation of marked L-LTF subcarriers helps distinguish target frames early, improving channel sensing and reducing packet loss.

This case shows how terminals report supported UE policy parameters so networks can tailor URSP rules and reduce resource waste.

This case combines independently trained sub-models into a target model for accurate mobile intrusion detection and lower label-inference risk.

A network-controlled repeater switches off during random access to cut interference and power use.

A first terminal requests configured positioning signals from a second terminal, balancing positioning precision with signaling complexity.

Semi-persistent TDD patterns and dynamic signaling adapt traffic and coordinate HARQ processing while reducing cross-link interference.