Multi-Frequency Code Systems TRIZ Cases

Digital signal processing circuitry generates correlation coefficients from filtered signals to determine spectrum mode.

A feedback type FIR filter processes communication signals by recycling data from the final delay stage back to the initial input.

A transmitter applies relative delay between OFDM and UFMC signals alongside sub-band specific sideband suppression filters.

Delay correlation analysis distinguishes packets from noise in low signal environments.

Configures LTF sequences by up-scaling frequency indices and applying optimized coefficients.

A timing control circuit segments OFDM cyclic prefixes to perform partial correlation on specific signal portions for synchronization.

A filter bank multicarrier transmitter applies phase and amplitude pre-compensation to modulation symbols before IFFT processing.

A transceiver selects delay-Doppler-resolution from a database based on velocity and position properties.

A symbol configuration parameter B adapts subframe symbols to diverse waveforms, reducing out-of-band leakage while maintaining LTE compatibility.

Irregular comb structure correlators detect carrier frequency offset in OFDM preamble signals, enabling reliable synchronization at low signal-to-noise ratios.

A modified active constellation extension adjuster translates outlying symbols into bounded regions to reduce peak-to-average power ratio in OFDM signals.

Segmenting LTE reference signals into valid and discarded portions preserves orthogonality while minimizing overhead from transient periods.

A signal processing apparatus modifies clipping pulses into narrowband signals to reduce peak-to-average power ratio.

Dynamic adjustment of amplification gain and forwarding direction reduces interference while enhancing cell coverage in millimeter wave 5G deployments.

Distributed wireless devices initiate and share channel occupancy time to resolve unlicensed spectrum coordination complexity.

A communication device calculates delay correlation functions to determine signal validity and adjust receiver gains.

Segmenting detection into small and large FFT stages reduces hardware complexity while resolving timing ambiguity.

A full-duplex radio node cancels self-interference by estimating frequency synchronization between reception and transmitted signals.

Periodic combining of data samples compensates for phase differences to improve carrier sensing accuracy under low signal-to-noise ratio conditions.

Segmenting measurement capabilities by numerology resolves device complexity while enhancing adaptability in next generation networks.

A detection system measures packet gap variation intensity to identify transmission congestion accurately.

A crest factor reduction circuitry shifts frequency spectrum to lower peak-to-average power ratio.

Dynamic parameter changes allow LTE transmitters to generate Wi-Fi detectable symbols, reducing transmission collisions in shared unlicensed bands.

A packet receiver uses a single OFDM symbol preamble to detect wireless signals within a defined window.

A Zadoff-Chu sequence estimator combines correlation peak power ratios with phase differences to determine carrier frequency offset.

Detects OFDM signals by analyzing kurtosis periodicity in the frequency domain without requiring cyclic prefix data.

Network nodes determine additional spectrum resources after clear channel assessment and signal them to wireless devices for flexible allocation.

Mapping preambles to multiple data resource areas enables repeated uplink transmission, reducing collision probabilities in high-mobility 5G scenarios.

A communication device dynamically switches cyclic prefix formats based on base station control signals to optimize transmission parameters.

Serving base stations share aerial vehicle scheduling assignments with neighboring cells to mitigate uplink interference and maintain ground user throughput.

PAPR shaping resources reduce peak-to-average power ratio in wireless signals using cyclic affixes and pulse-shaping filters to prevent amplifier distortion.

Applying individual circular rotations to replicated base sequences generates distinct reference signals.

Configurable slot formats adapt random access signal transmission to mitigate Listen Before Talk impacts in unlicensed bands.

Cell-specific scramble patterns reduce peak-to-average power ratio while enhancing multi-cell diversity gain in single frequency networks.

Selective filtering of discontinuity samples reduces DSP resource consumption by 80-90% while maintaining ACLR compliance and improving EVM results.

Listen-Before-Talk mechanisms resolve interference with incumbent WLAN systems by sensing channel availability before transmission.

A terminal uses symbol-level repetition to coherently combine DMRS and data symbols.

Encoding payload bits as NRZI symbols allows 1-bit ADCs to sample transitions, reducing power consumption and cost while maintaining high data transfer rates.

Extending modulation data length and applying phase shifts reduces peak-to-average power ratio, improving amplifier output power and receiver performance.

Supplementary phase modulation overcomes bore-sight phase singularity, enabling standard antenna reception.

A base station multiplexes paging and synchronization signals to optimize resource allocation based on device capabilities.