Multi-Frequency Code Systems TRIZ Cases

A communication device adjusts reception characteristics based on detected peaked frequency spectrum amplitude.

Positions LTE-M carriers within NR guard bands to minimize resource block usage and reduce interference.

Segmenting time signals into portions minimizes memory requirements, enabling more transmission channels without proportional increases in storage.

An optical OFDM transmitter adjusts subcarrier counts and bits per symbol to minimize electrical power consumption.

Preprocessing I/Q signals establishes finite phase bandwidth, eliminating aliasing errors and lowering power consumption in wireless transmitters.

An OFDM modulation device adjusts the number of subcarriers via an inverse fast Fourier transform unit to optimize signal processing.

A base station allocates distinct resources to multiple communication systems using separate control channels.

Iterative clipping and symbol modification reduce single-carrier signal crest factor while maintaining spectral compliance.

Electronic device applies extended Kalman filter correction factor based on discrete observation statistics to reduce discretization errors in vehicle tracking.

A wireless transmitter generates phase rotation sequences to ensure non-overlapping transmission spectra.

An adaptive coding apparatus divides the transmission spectrum into subbands to select tailored modulation formats.

SC-FDMA transmission maps DFT-precoded signals centrally to reduce peak-to-average power ratio and improve amplifier efficiency.

Bonded OFDM system bonds multiple signal pathways to bypass PHY/MAC interaction bottlenecks and increase data throughput.

Multi-stage analog and digital filtering removes receiver saturation caused by self-interference, enabling simultaneous transmission and reception.

An RRM node predicts future resource block allocations and sends this data to neighboring cells for proactive scheduling adjustments.

An OFDM receiver selects interpolation filters to optimize channel estimation.

Inserting guard intervals into the binary stream enhances cyclostationarity, enabling low complexity equalization while maintaining spectral integrity.

A reconfigurable communication device adjusts transceiver parameters via a master controller to maintain data transmission rates.

FBMC transmitter uses Alamouti coding with temporal reversal and complex multiplication to reduce reception complexity in MIMO systems.

A co-channel coexistence sidelink configuration identifies resources to minimize interference.

Calibration circuit determines correction values for subcarrier subsets using tone signals to suppress image power across multiple frequencies.

A time lens unit performs time domain amplification on signal light to enable real-time detection of ultra-short pulses.

A radio communication node applies unlicensed band settings to configure distributed units for wide subcarrier spacing.

Frequency domain spectrum shaping filters split modulated data symbols by phase change to reduce peak-to-average power ratio in wireless transceivers.

Modified DMRS aligns peak-to-average power ratio with uplink data signals to enable accurate nonlinear model estimation.

User equipment selects cyclic prefix extension positions based on frequency division multiplexing status, preventing collisions in unlicensed spectrum.

A transmitter embeds a signature sequence into an OFDM preamble using time domain samples for the guard interval.

Frequency-domain duplication of distributed-tone resource units across multiple subblocks extends coverage range while reducing peak-to-average power ratio.

Disjoint harmonic allocation on square wave carriers reduces inter-channel interference and power consumption while maintaining high data rates.

Dynamic FDRA field adjustment reduces latency and improves resource utilization by resolving contradictions between efficiency and complexity.

A subcarrier frequency-shift estimator determines individual Doppler shifts for each OFDM subcarrier to enable precise synchronization.

Indexes OTFS bases in an N×N transform matrix to maximize cyclic frequency and time shifts, reducing inter-symbol interference in high Doppler environments.

A symbol synchronization circuit accumulates cross-correlation results to determine the ending position of a first type symbol.

Sequential AI models identify occupied frequency channels and recover data from baseband signals.

Phase compensation removes PRB-dependent rotation in NB-IoT baseband signals, aligning waveforms across regions and reducing receiver complexity.

Segmenting excess bands into inner and outer portions reduces peak-to-average power ratio while increasing transmission power for better network coverage.

A single carrier transmitter architecture maps encoded bits to space-time streams using Space Time Block Coding and transmit beamforming.

A predetermined signal transmission pattern encodes timing information to resolve initial access uncertainty across single and multi-beam deployments.

Configuring cell-specific switch slot offsets ensures sufficient delay for bandwidth part switching, preventing synchronization failures in 5G networks.

A wireless receiver estimates phase noise using Phase Tracking Reference Signaling on non-overlapping subcarrier sets.

A compander design using constrained optimization to compress and expand OFDM signals while maintaining constant power.

A receiver merges partial pilot sequences from telegram fragments to determine frequency differences using discrete Fourier transform processing.

Receiver calculates extended random access subframe parameters to support cell radii exceeding 100 km without altering base station processing methods.

Guard interval in delay-Doppler domain via OTFS precoding suppresses inter-symbol interference without time penalty.

Randomized preamble selection minimizes unnecessary radio module activations, extending battery life in building automation peripherals.

A transmission circuit control unit generates a supply voltage signal with an amplitude characteristic matching the envelope of the modulated transmission signal.

A non-coherent transmitter uses diagonalized base sequence parameter matrices and discrete Fourier transform matrices to send codepoints.

A beamforming training data unit format uses a shortened structure to transmit essential PHY information elements in wireless networks.

A transform matrix specifies communication symbols through application of a mathematical operation to data representations.

Applying a partial Fourier transform to OQAM signals halves operational complexity while maintaining spectral efficiency.