Transmission Path Division TRIZ Cases

A tray drain and channel use gravity to capture tank spills and divert fluid away during extractor handle movement and tank removal.

Preamble frequency and duty detection stabilizes power line data reception in mobile devices without PLL circuits or separate data terminals.

Redundant OFDM symbols track channel response changes on DC power lines, enabling ultra-fast fault isolation before arc hazards escalate.

Sub-band backscatter lets energy-harvesting IoT nodes return control information while extending range and preserving RF energy efficiency.

A separate WET sends CW power tones that ambient IoT devices backscatter for uplink while avoiding downlink interference by time or frequency separation.

A unified OFDM waveform combines communication and sensing instances to preserve bandwidth while enabling target detection from reflected RF signals.

A 2D time-frequency OTFS scheme turns a time-varying multipath channel into a stable delay-Doppler form for high-mobility OFDM.

Distinct LO frequencies across antenna paths spread leakage and spurs, improving SNR and spectral compliance in multi-antenna radios.

Checkpoint status reporting lets unmanned inspection vehicles adapt routes and receive retry or skip instructions over low-data links.

Preassigned NOMA signatures let unmanned vehicles report checkpoint task status in weak coverage, enabling route updates and re-attempts.

Opposite-direction platoons use separate or pseudo-random time-frequency resources to avoid collisions and keep intra-platoon links reliable.

Cross-slot interleaving and rate matching let transport blocks span multiple PUSCH slots while handling code blocks that cross slot boundaries.

Section extension data carries modulation compression flags and scale information between DU and RU to improve fronthaul accuracy and efficiency.

Independent modulation and coding per resource unit improves OFDMA channel efficiency when link conditions vary across assigned RUs.

Baseband modulation and bandwidth data let the RF front end tune bias and matching for better linearity and lower power in 5G transceivers.

Baseband modulation and bandwidth data let the front-end adjust bias and matching for better PA linearity and lower power back-off.

Integrated PMIC power switching in an RF transmitting front-end cuts external supply chips, lowering PCB area and hardware cost.

Maps code blocks across multiple wireless slots using rate matching and slot-based interleaving to improve 5G resource utilization.

A single shared buffer packs and de-interleaves LLRs for rate recovery and HARQ combining, cutting receiver memory, latency, and power.

Structured OFDM signal frames let multiple broadcast services share RF bandwidth while preserving robust reception in mobile and indoor use.

Dynamic extra LDPC symbol segments improve short-packet error correction while stabilizing receiver sensitivity and throughput.

Shared LNA multiplexing and demultiplexing shortens RF receive paths and keeps gain and impedance more consistent across carriers.

Adaptive LDPC base graph selection matches decoder complexity to device capability and power mode to sustain throughput with lower energy use.

Starting bit selection for PUSCH rate matching adapts to sequence length and carrier setup, improving flexible NR resource use.

Pairwise orthogonal adjacent LDPC rows enable flexible decoder scheduling in wireless links without performance loss, improving error correction.

Preamble bits in the U-SIG field mark 320 MHz ranging NDPs, improving wideband distance measurement accuracy without extra signaling.

Combining core and enhanced signal layers at different power levels improves multiplexing flexibility and preserves signal quality for broadcasting.

An irregular interleaving matrix maps all VRB bundles to PRBs, improving frequency diversity and transmission reliability.

A multifunctional power chip combines LDO, DC-DC, and voltage switching to cut RF front-end PCB area and external chip cost.

Combining core and enhanced layer signals at different power levels improves broadcasting multiplexing flexibility while keeping demultiplexing practical.

Different interleaving types for full-duplex and half-duplex symbols reduce interference and improve wireless slot throughput.

A UE reports its polar decoding capability so the network can choose a matching frozen-bit scheme and improve downlink reliability.

Adjacent-row orthogonality in LDPC codes enables flexible decoder scheduling and faster hardware processing without loss of error-correction performance.

Priority-based bit mapping keeps systematic bits off vulnerable TTI symbols, improving wireless link reliability under puncturing or interference.

Sub-band splitting and weighted error accumulation enable real-time broadband IQ calibration with lower processing overhead across changing bandwidths.

A preamble inserted in a previous sidelink symbol lets AGC settle before data and DMRS, improving 5G NR V2X reception with short symbols.

Spreading multicast code blocks across tones or resource elements improves frequency diversity and reception reliability for large transport blocks.

OFDM frame building and service mapping improve multi-service broadcast efficiency while preserving robust mobile and indoor reception.

Duplicated standard-bandwidth PPDUs and selective guard intervals raise NG60 WiGig throughput while preserving legacy compatibility.

A secured OFDM side signal adds hashed frame portions and timestamps to strengthen link integrity while limiting IoT power and memory overhead.

Time-offset transport streams and OFDM framing improve multi-service broadcast efficiency while preserving robust reception indoors and on the move.

Variable-bandwidth aggregate PPDUs add guard intervals across channels to preserve legacy WiGig compatibility while improving transmission efficiency.

Variable-length shaping output is stabilized for OFDM packing and LDPC framing using bit mapping, overhead control, and puncturing.

SS block indices let base stations and UEs scramble and descramble control, paging, data, and CRC bits for more reliable 5G NR links.

A relay UE switches between amplify-and-forward and decode-and-forward based on decoding results to improve mmWave message delivery to the gNB.

Different modulation types and code rates per resource unit improve OFDMA Wi-Fi efficiency under uneven subcarrier conditions.

Frequency-domain symbol mapping creates Manchester-coded multicarrier OOK with lower OFF power, enabling efficient wake-up radio on legacy OFDM chipsets.

Selected frequency-domain symbols generate Manchester-coded OOK in OFDM with cyclic prefix support and a flatter power spectrum.

Selecting interleaving matrix rows to minimize null entries simplifies NR PDCCH CCE-to-REG mapping and lowers processing complexity.

Symbol-by-symbol sequence transformation expands quasi-orthogonal sets for more users while keeping inner-product interference low and compatibility intact.

Time-interleaved OFDM preamble signaling with L1 header depth indication improves broadcast robustness and supports higher-capacity HD transmission.

Pre-placing half-frame and SSB index bits in a 512-length PBCH Polar code cuts decoding latency and improves broadcast throughput.

Partitioned bootstrap signaling lets receivers tune only needed broadcast segments, improving detection, service discovery, and power use.

Non-uniform constellation mapping improves BER and FER in BICM transmitters by adapting QAM point tables toward the Shannon limit.

A shared PLL feeds multiple RF receive paths for carrier aggregation, cutting local oscillator area and power in the integrated circuit.

Concurrent DMRS sequence assignment lets more NOMA transmitters share resources while maintaining accurate channel estimation under timing offsets.

Duplicated headers and guard-interval handling let 60 GHz A-PPDUs use wider bandwidths while preserving legacy WiGig compatibility.

Non-uniform constellation mapping uses lookup tables to narrow the Shannon-limit gap and improve BER and FER in broadcast transmission.

Shifted repeated FEC codewords spread across the full OFDM band let nodes decode broadcast messages without knowing each receive bandwidth.

Block interleaving and cyclic index shifting map distributed VRBs to PRBs with gap limits, reducing bit overhead in wireless scheduling.

Legacy-decodable preamble fields let mixed 802.11 receivers identify frame duration and protocol, reducing interference while preserving throughput.

Core and enhanced signals are combined at different power levels with interleaving and power normalization to improve broadcast multiplexing flexibility.

Structured OFDM signal frames and data pipes improve multi-service broadcast efficiency while preserving robust mobile and indoor reception.

Non-uniform constellation tables replace uniform QAM mapping to narrow the Shannon-limit gap and improve BER and FER in transmission.

Repeated L1 signaling blocks in OFDM preambles cut signaling overhead while preserving noise robustness and broadcast channel capacity.

Distributed constant-amplitude pilot signals in SCBT blocks improve residual frequency and phase noise estimation without long preambles.

Common gain control uses primary and secondary carrier quality indicators to stabilize shared receive chains and reduce radio link failure.

Golay-coded delimiters, channel estimation fields, and marker codes improve synchronization, mode detection, and interference handling in millimeter-wave links.

LFSR-based de-interleaver addressing and inverse permutation spread LDPC bits across OFDM sub-carriers to resist correlated fading.

Adaptive MCS offsetting matches LTE shared channel modulation to actual OFDM symbols, reducing unusable schemes and preserving throughput.

Segmented memory and a reconfigurable data switch let parallel Turbo decoders boost throughput while reducing delay and power in LTE and WCDMA.

Iterative frequency offset hypotheses and ICI matrix updates improve OFDMA channel estimation under high Doppler mobility, reducing BER and SNR loss.

Anchor-carrier PDCCH conveys non-anchor control region size to improve PCFICH detection reliability and cut interference-related decoding errors.

Cyclical mapping of spatial transmission filters to PUSCH repetitions improves frequency diversity and uplink efficiency across multiple TRPs.

UE-reported phase drift models let NR receivers bundle reference signals coherently across time, improving coverage and measurement reliability.

An AP assigns MU-MIMO-capable and non-capable stations to unequal OFDMA sub-bands to improve WLAN resource allocation and interference handling.

Blind secondary-cell setup with EDT random access cuts UE measurements, lowering delay, battery use, and signaling overhead.

Separate ULCI block settings for NUL and SUL carriers let a UE identify which supplementary uplink resources to cancel and improve allocation.

SBFD pattern indications define time and frequency granularity so UEs keep sub-carrier spacing consistent and avoid missed communications.

Physical-layer DCI replaces slower high-level signaling for SCell activation and deactivation, cutting delay, overhead, and terminal power use.

Timer-based checks and SR or RACH resources detect BWP mismatches during 5G NR switching and trigger recovery to preserve link integrity.

Distinct time-domain slots let coexisting communication groups share a carrier while avoiding inter-group interference and near-far effects.

Anchor-carrier configuration and per-carrier scheduling let terminals determine transport block handling across carriers in one cell.

By tailoring CORESET #0 time and frequency resources to RedCap UE bandwidth, NR can preserve reliable SIB1 access, handover, and recovery.

Configurable DM-RS patterns for SU-MIMO and MU-MIMO cut reference signal overhead while preserving channel estimation and antenna port support.

A UE reports paired CCH monitoring modes so the network can match eMBB or URLLC needs with lower signaling overhead.

Grouped DC location reporting lets the network infer carrier and BWP mappings, cutting wireless signaling overhead without losing location accuracy.

Flexible DM-RS density by antenna port improves MIMO channel estimation while limiting reference-signal overhead in 5G NR.

Scheduled PRB position and bandwidth are used to map PTRS to the right DMRS port, improving phase tracking and channel estimation.

Dedicated MBS BWPs and frequency regions let idle or inactive UEs receive NR multicast and broadcast services without RRC state transitions.

Subband-specific TDD allocation helps 5G user equipment balance downlink and uplink signaling while limiting processing complexity.

Different delay segmentation locations let multiple DMRS ports share one time-frequency resource, improving MIMO channel estimation without extra pilot overhead.

Grouped preamble and DMRS mapping cuts two-step random access collisions while improving PUSCH resource utilization.

Multiple SRS timing options, random offsets, and adaptive cyclic prefixes improve LBT success in shared spectrum.

Separated reference-signal subbands improve positioning precision while lowering interference, resource overhead, and peak-to-average power ratio.

A revised NDP announcement frame adds bandwidth-aware RU indexing to support 240 MHz, 160+80 MHz, 160+160 MHz, and 320 MHz Wi‑Fi.

Low-pass filtering and amplitude peak detection demodulate NFC BPSK subcarriers without replica carrier synchronization or down conversion.

Reusing UE reference signals for reception-quality measurement cuts beam transmission overhead and power waste in user-centric radio links.

PDCCH-indicated frequency ranges and slot formats enable partial unlicensed carrier access, cutting LBT overhead and improving bandwidth use.

Hierarchical MBS signaling uses scheduled control messages and new RNTIs to maintain service access and continuity across 5G cells.

Aligns waveform, spacing, bandwidth, and power between terminals and base stations to meet sensing needs while controlling interference.

RRC-configured candidate TCI states and MAC activation rules let terminals map states to serving cells or bandwidth parts for better throughput.

Frequency-hopped SRS across multiple BWPs stitches bandwidth for RedCap positioning, improving resolution while limiting uplink collisions.

Closed-loop tracking estimates interfering tone location across OFDM symbols, enabling low-complexity cancellation and more stable decoding.

Estimated connection times guide primary and secondary base station selection to cut cell switching and stabilize transmission quality in NTN links.

Clear inactivity timer rules for RedCap UE BWP switching improve resource use and reduce latency when default or initial BWPs are absent.

MAC-CE switch commands add UE feedback to resolve BWP mismatches, improving transition reliability while reducing latency and failures.

A single PDCCH DCI schedules uplink or downlink traffic across multiple serving cells, cutting control overhead while improving spectrum use.

Using DAI in repeated control channel candidates helps the UE avoid ambiguous HARQ feedback while simplifying DCI decoding and codebook handling.

When uplink resources overlap, a wireless device multiplexes signals on a common structure only if transmission can finish within the latency window.

Predefined reference signal lists let UEs apply new TCI states sooner, cutting beam switching delay and wireless latency.

When TRS overlaps uplink or guard bands in SBFD slots, dropping, puncturing, or frequency shifting keeps reception in downlink subbands.

Synchronization signals mark cyclic prefix timing so AIOT receivers can skip it and decode OOK-based OFDM waveforms more accurately.