Modulated-Carrier Systems TRIZ Cases

PWM switching and DC restoration generate single-sideband audio with stronger carrier suppression, lower phase distortion, and efficient amplification.

Frequency-domain data duplication across PPDU subblocks with phase rotation improves low-power WLAN range and delivery reliability.

Amplitude-based local oscillator correction reduces frequency offset errors in down-conversion and improves baseband demodulation accuracy.

By grouping VRB bundles and mixing fixed and interleaved mapping, this case avoids size mismatches that block complete NR resource allocation.

Compressed distortion error from an auto-encoder helps power amplifiers run efficiently while preserving wireless signal accuracy.

A relay UE switches between AF and DF after decoding checks, improving mmWave message forwarding reliability under power and latency limits.

Noise-aware channel normalization adds noise power to OFDM demodulation scaling, reducing amplification and preventing LDPC decoding failures.

Duplicating PPDU data across frequency subblocks with phase rotation improves WLAN reception reliability and range in 6 GHz indoor links.

Dummy-bit length adjustment makes LDPC codewords match MIMO mapping bit groups, improving compatibility and transmission quality.

Switching predistorter complexity by waveform cuts current, calibration time, and memory use while preserving wireless transmitter signal quality.

Using the SS block index to scramble data and control information in NR SS bursts improves synchronization and transmission efficiency.

Encoder-decoder neural networks pre-distort transmit waveforms and compress distortion error to keep power amplifiers efficient with less non-linearity.

Programmable tail current sources and a slicer-counter loop cancel CTLE AFE DC offset during live serial data, preserving bandwidth.

Three-stage parity, group-wise, and block interleaving disperses LDPC bits to resist burst errors and protect decoding quality.

Independent polyphase DPD blocks and a sub-sampled output filter cut sample-rate and hardware demands while preserving PA linearization accuracy.

Sparse superposition coding uses quasi-orthogonal projection matrices to improve URLLC spectral efficiency without sacrificing block error rate.

Grouped channel allocation uses a base sequence and reliability metrics to cut polar coding complexity, storage, and latency.

Split gain and load circuits let a MIMO LNA handle multiple RF carriers across bands while limiting noise and unnecessary power use.

An all-digital clock divider and phase generator creates equispaced phases at non-integer ratios while cutting DLL power, area, and jitter.

Gradient sharing across adaptive filter branches cuts MIMO DPD computation load while speeding convergence and improving tracking capability.

Quasi-orthogonal sparse superposition coding improves short-message URLLC spectral efficiency while maintaining reliable decoding.

Electromagnetically coupled lines and switched transmission line loads keep RF phase shifting stable across settings while limiting group delay variation.

Rise and fall time control generates accurate quadrature clocks from a same-frequency reference, cutting power and phase mismatch.

Boundary bundles are fixed and remaining bundles interleaved with null insertion to keep VRB and PRB bundle sizes consistent.

Upcoming WiFi symbol peaks drive PA supply and bias adjustment to cut power use while keeping gain stable and EVM within limits.

Parallel or sequential complex-rotated sample accumulation helps GNSS receivers track arbitrary-power integrated signals and mitigate multipath.

Rule-based CORESET group and TCI state selection helps wireless devices decode overlapping downlink transmissions with less switching delay.

Grouped parity interleaving and selective additional parity generation preserve LDPC decoding performance while limiting broadcast transmission overhead.

Fixed mapping for edge VRB bundles and interleaving for the rest keeps VRB and PRB bundle sizes aligned and avoids mapping failure.

Time-based AGC selects gain and low-pass filters per transmitter, enabling short OFDM preambles with low-latency, reliable grid control.

A single-symbol OFDM preamble with transmitter-based LPF selection speeds AGC settling for low-latency, reliable power grid wireless links.

Structured LDPC bit-group interleaving improves symbol mapping and decoding reliability in digital broadcasting without excessive processing complexity.

LDPC encoding and padding align multi-user EDMG PPDU fields, enabling higher mmWave data rates and greater network capacity.

Segmented EDMG PPDU fields and LDPC coding support aligned multi-user MIMO transmission over bonded mmWave channels above 45 GHz.

CORESET group indexes help wireless devices handle overlapping downlink transmissions and cut resource switching delay during beam selection.

LDPC-based EDMG PPDU encoding aligns multi-user spatial streams in millimeter-wave links to increase data rate and network capacity.

A secondary wireless channel carries codeword ACKs while the primary channel keeps sending data, cutting retransmission latency and buffer demand.

Group-wise and parity interleaving spread LDPC parity bits across check nodes to limit burst-error impact and improve decoding quality.

Weak-power frequencies are identified and weighted before compression to protect low-power user SNR with minimal impact on ratio, MSE, and EVM.

Header-based baseband packets separate TS, IP, and signaling streams to improve broadcast transmission efficiency and data recovery.

LDPC-based EDMG PPDU framing pads and aligns multi-user data fields to support wider-band 45 GHz MU-MIMO transmission and higher capacity.

LDPC-based EDMG PPDU encoding combines wider bonded channels with MU-MIMO data alignment to increase millimeter-wave throughput and capacity.

Elapsed-time and temperature-based gain correction keeps transmitter output power close to target without overcompensation.

Using the SS block index to scramble and descramble control, broadcast, and data signals improves 5G NR synchronization and resource allocation.

Switching among predistorter configurations cuts current and heat in wireless transmitters while preserving signal quality across waveform bandwidths.

Undersampled IF sampling separates multiple surveillance bands into distinct Nyquist regions, cutting ADC bandwidth, cost, and receiver complexity.

Maps systematic bits to higher-protection symbol positions across mixed-modulation layers to improve multi-layer wireless reliability.

Phase-response grouping and iterative delay fitting cut estimator size while improving TX-to-FB delay accuracy for IQ and DC offset compensation.

Forced frozen bit selection in the U domain shrinks puncturing and shortening search space while preserving polar code rate matching performance.

A group-wise LDPC interleaver arranges codeword bits across modulation symbols to improve decoding and reception in digital broadcasting.