Multi-Frequency Code Systems TRIZ Cases

Polyphase filtering with adjustable parameters suppresses spectral leakage while maintaining LTE compatibility.

A DFT spread FBMC/OQAM modulation method generates candidate signals using phase offsets and selects the lowest peak-to-average power ratio transmission signal.

A terminal transmits sidelink synchronization signal block configuration within a channel occupancy time derived from listen-before-talk procedures.

Scaling tail zero bits aligns DFT-spread OFDM numerologies, allowing a single decoder to process multiple waveform types without dedicated hardware.

User equipment selects filter coefficients per reference signal periodicity to enable precise measurement reporting.

A symmetric reference signal pattern allocates uplink and downlink resources using a unified design to simplify processing.

Adaptive average thresholds distinguish noise from frames, reducing detection errors during channel parameter changes.

Segmented estimators using causal prototype filter coefficients reduce computational complexity while enabling broader frequency band coverage.

DFT precoding enables sub-symbol phase error estimation using reference signals.

A transmitter device splits input messages into vertical and horizontal components to generate combined codes for modulation.

A user equipment detects downlink control information to identify uplink transmission waveforms.

A pattern matrix applies arbitrary phase rotations to modulation symbols for generating antenna signals.

A hybrid PAPR reduction scheme uses soft metrics on symbol decisions to reconstruct clipped peaks in wireless signals.

A broadcast signal transmission apparatus segments input streams into independent data pipes for optimized error correction and frame building.

A multi-band power amplifier supports non-simultaneous transmit and receive operations across multiple Wi-Fi links.

Configuring shared demodulation reference signals across uplink repetitions to boost spectral efficiency.

RF receiver decouples I-Q channels via impedance circuit and compensates frequency asymmetry with complex digital filter.

Applying half tone offset to OFDM symbols before cyclic prefix generation reduces computational complexity.

A Fast Accurate Fourier Transform algorithm processes complex-valued symbols using tunable time and frequency windows.

A dynamic crest factor reduction system generates peak cancellation waveforms using real-time carrier profile analysis.

A peak detector circuit identifies signal maxima to guide sampling for demodulating data bodies on vehicle power lines.

Grouping data by bitwidth distribution assigns distinct effective bits and group indices, resolving accuracy loss from uneven dynamic range.

Dynamic guard band configuration prevents interference between mobile termination and distributed unit nodes while optimizing frequency resource utilization.

A communication node splits a precoded multi-carrier symbol into separate parts to modulate reference signals and data simultaneously.

Dual-header segmentation isolates synchronization patterns from large payloads, reducing erroneous detection and improving monitoring control accuracy.

User equipment transmits random access messages across multiple symbols weighted by spreading codes to resolve collisions and improve identification efficiency.

A transmitting terminal selects between OFDMA and SC-FDMA modes based on link performance or time domain coverage requirements.

A signal subspace-based post-FFT interface transmits M streams of reduced-dimensional data to decouple stream counts from antenna design complexity.

Segmented STFs and LTFs resolve channel estimation conflicts across varying space-time streams, reducing packet error rates.

A unified DCI structure dynamically adjusts scheduling offsets for diverse subcarrier spacings to resolve self-interference and CLI in SBFD modes.

Cyclic spectral extension remaps frequency domain resource elements to reduce peak-to-average power ratio in 5G NR uplink transmissions.

A numerically controlled oscillator applies per-symbol corrections to buffered OFDM signals using cyclic prefix measurements.

Pipeline FFT circuit rearranges output data order using butterfly operational elements to reduce total delay amount from 2N-1 cycles to 24 cycles.

Segmenting data blocks with distributed pilot blocks reduces accumulated phase error in high-bandwidth wireless links, improving channel equalization accuracy.

A joint time-frequency synchronization method for NB-IoT user equipment demodulates received subframes using pre-computed reference signals to estimate offsets.

Receiver algorithms compare detection results using local and out-of-domain LFSR seeds to differentiate in-domain packets from neighboring network interference.

A universal domain proxy routes CBSD messages via source-specific interface adaptors to a Spectrum Access System.

A multi-carrier measurement method uses distinct modulation sequences to lower the noise floor.

Merging reference signals into a single OFDM symbol reduces synchronization time while maintaining low cross-correlation with control channels.

GTMH precoding and decoding mitigate estimation complexity while the guard interval eliminates inter-block interference.

A symbol sequence design procedure creates extended continuous symbols through precise cyclic shifts of adjacent copies.

Multiplexing CSI-RS with synchronization signal blocks in shared OFDM symbols reduces transmission resource consumption.

Segmenting symbol vectors into data and correction subsets maintains boundary continuity, reducing out-of-band emissions without affecting data integrity.

A signal clipping apparatus adjusts cancellation pulse sequences to reduce peak-to-average ratio.

A user equipment repeatedly receives physical downlink control channel scheduling information and transmits a physical uplink shared channel based on time delay data.

Zero insertion and filtering between data blocks reduce signal peak-to-average power ratio, improving amplifier efficiency.

A user terminal control section determines signal waveforms according to a switching pattern and indicates them to preprocessing and detection sections.

Time-domain interpolation generates SC-FDMA symbols, eliminating DFT blocks to reduce processing power and hardware complexity.