Error Prevention TRIZ Cases

Predict packet arrival failures and reassign radio-unit slots to reduce fronthaul packet loss.

Higher-layer priority signaling lets UEs return selected HARQ feedback without explicit priority fields in DCI.

This case changes cyclic shifts, resources, or timing after failed identification to improve grant-free UE detection.

The case uses subslot index alignment to select a target PUCCH cell and avoid missed feedback across different numerologies.

This case uses DCI-count-based indexing to size HARQ-ACK codebooks without increasing index bits for multiple PDSCHs.

MAC control elements dynamically select RLC entities, reducing PDCP duplication latency.

This case uses sub-slot resource determination and higher-layer signaling to improve PUCCH efficiency without added configuration overhead.

This case uses priority and SL/UL numerology to set the PSFCH-to-UL gap for timely base-station HARQ reporting in NR V2X.

This case pre-generates permuted EPP sequences for polar-coded HARQ, reducing on-the-fly complexity while delivering over 0.5 dB BLER gain.

Excluding PSCCH resources sharpens TBS sizing for reliable NR V2X sidelink.

The case sizes HARQ feedback codebooks by UE reception limits, cutting redundant bits while preserving feasible downlink feedback.

This case coordinates multiple PSFCH transmissions within a shared COT, improving sidelink reliability for NR and V2X in unlicensed bands.

This case uses a representative sidelink access priority class to reduce complexity and latency across multiple shared-spectrum channels.

This case uses RRC signaling and reduced DCI payloads to preserve HARQ retransmission reliability while limiting redundant control data.

This case aligns MAC parts with FEC codewords for selective HARQ retransmission, reducing buffers, delay, and repeated data.

This case coordinates ongoing and separate channel access procedures for sidelink and Uu transmissions when priorities differ.

This case uses advance CG retx timers and HARQ state control to reduce deprioritized resource delays in 5G NRU.

This case uses terminal channel-access results and existing control signaling to guide network allocation of unlicensed sidelink resources.

A mixed-symbol TDD subframe sends uplink HARQ-ACK in downlink subframes, reducing delay and supporting unified timing across configurations.

A PSFCH overhead indicator aligns DMRS resource estimates, enabling consistent TBS determination across sidelink transmissions.

This case uses preconfigured MAC or physical-layer operations to speed cell handover and preserve data continuity.

This case uses SMTC-aware rules to multiplex SSBs with downlink channels when feasible and avoid interference under constraints.

This case combines high- and low-priority HARQ-ACK on a higher-priority PUCCH to protect UCI and preserve downlink throughput.

Dynamic PDCCH or PDSCH selection reduces control overhead for small data packets.

This WLAN protocol distributes frequency-domain RUs within one TXOP, letting non-AP stations transmit together without AP triggers.

The UE sends authentication data first, then waits before subsequent configured grant transmissions to protect network reception.

Resolve massive MIMO beam-selection complexity by linking target channels to receiving parameters through QCL and measurement reports.

Detect zero-delay GNSS spoofing through partial correlations of signal segments.

This user equipment method uses logical-channel priorities and HARQ handling to improve reliability for de-prioritized MAC PDU transmission.

This case uses digitally signed reception acknowledgements to improve data integrity during mobile station relay operations.

Multiple K1 sets and DCI signaling align current and postponed HARQ-ACK feedback across FBE channel occupancies.

Separate TRP scheduling enables back-to-back PUSCH transmissions with redundancy, reducing URLLC latency while improving reliability.

The case maps PDSCH candidates through TDRA tables and K1-sets to schedule semi-static HARQ-ACK codebooks efficiently.

This case configures PDSCH multicast feedback by service type, RNTI, or DCI to balance reliability and uplink resource use.

RRC-configured HARQ modes let NTN UEs and base stations adapt SPS multicast feedback, balancing reliability with uplink overhead.

Sub-TDRA pruning builds separate HARQ codebooks for multiple PUCCH resources, balancing payloads and improving uplink utilization.

This case separates control resources and applies priority rules to multiplex UCI with PUSCH during overlapping uplink transmissions.

This WTRU approach filters logical channels by COT access priority, improving subband transmission efficiency while managing interference.

This case simplifies field-of-regard and target-region calculations to assess satellite sensor access faster across large coverage analyses.

Scheduling and timing indicators identify more HARQ processes, helping devices manage long round trips and parallel transmissions.

Capability signaling and slot-level quantization simplify UE ACK/NACK timing while preserving adaptable timing precision.

This case arranges PSFCH-derived HARQ-ACK bits into ordered codewords for PUCCH transmission, supporting reliable NR V2X feedback.

Channel reciprocity helps UE and network entities generate matching scrambling seeds for stronger physical-layer protection.

Resource groups and priority signaling support in-order, out-of-order, and overlapping data processing for better wireless throughput.

This case targets URLLC and eMBB conflicts by retransmitting only the punctured data subset, reducing retransmission resources.

This case configures recurring PSFCH resources for sidelink HARQ feedback, balancing resource use, reliability, and latency.

This case combines control information on partially overlapping resources to reduce 5G signaling overhead and limit power fluctuations.

This case uses configured priority levels to select uplink information when sidelink HARQ-ACK and other resources overlap.

Configured slot offsets and DCI-indicated resource sets help WTRUs adapt aperiodic SRS timing to network conditions.

Preconfigured SRS groups switch with channel conditions to limit interference, avoid RRC delays, and improve estimation accuracy.