Code Division Multiplex TRIZ Cases

Segments reference signals across subcarriers to improve channel estimation accuracy while preserving power amplifier efficiency.

Extended FD-OCC lengths double orthogonal DMRS port counts, enabling higher spatial multiplexing layers in MU-MIMO without increasing reference signal overhead.

A user equipment selects frequency modulated continuous wave parameters to suppress mutual interference between nearby radar sources.

A terminal obtains orthogonal cover code length information from control signals to receive reference signals.

A pi/2 BPSK base sequence generates orthogonal demodulation reference signal ports using frequency-domain comb structures and time-domain orthogonal cover codes.

A segmented correlator system applies multiple Doppler offsets to identify actual signal shifts.

Hadamard transform generates orthogonal sequences from block repetitions, enabling multi-user sharing without complex detection algorithms.

Segmenting the training field into distinct parts lowers peak-to-average power ratio, improving power amplifier efficiency and data transmission flexibility.

Inserting equally spaced Zadoff-Chu sequences into frequency domain data reduces synchronization time and bandwidth usage while maintaining high accuracy.

Length-6 sequences with specific cyclic shifts reduce peak-to-average power ratio, improving power consumption efficiency in DFT-s-OFDM and CP-OFDM systems.

A transmitter module reduces signal crest factor using a shaping filter bank connected to a clipping circuit.

A multi-carrier transmitter merges digital signal processing with a single wideband radio frequency transmit chain to handle multiple frequency channels simultaneously.

A capacitive sensor system applies distinct transmitter signals using code division multiplexing to process input data.

Grouping terminal capability reports eliminates redundant signaling overhead while maintaining complete uplink multi-antenna transmission data.

Dynamic preemption of low-priority data resources prevents call blocking for incoming high-priority voice requests.

DFT-s-OFDM waveforms using Zadoff-Chu sequences reduce PAPR and sideband interference in millimeter wave networks.

Segmenting reference signals into multiple Zadoff-Chu sequences resolves timing and Doppler ambiguities in high mobility scenarios.

A 5G NR resource allocation method assigns data and pilots in overlapping subframes to support diverse service types.

Chaotic spreading codes eliminate cyclostationary statistics to prevent rate line detection and reduce bit-error-rates.

Applying specific cyclic shifts to base sequences reduces peak-to-average power ratio, enabling higher transmit power at cell edges.

Direct laser modulation eliminates up-conversion processing to maintain high transmission rates while preserving digital signal quality.

A TD-SCDMA handover algorithm selects candidate cells using received signal code power and interference levels to optimize link quality.

Base station converts received CPICH power to path loss values, enabling the controller to select optimal cells despite varying transmission powers.

Wideband pilot signals measure time delays at sub-sample precision, resolving computational complexity in MIMO phase alignment.

Segmenting the spreading waveform into multiple binary waveforms at different rates improves spectral control while maintaining synchronization capabilities.

Base station applies successive interference cancellation with non-orthogonal codes to separate multiple user equipment transmissions on shared subcarriers.

A terminal device adjusts Zadoff-Chu sequence cyclic shift values to support high-speed mobile communication scenarios.

A pseudo noise generator creates a synchronization preamble by concatenating short gold sequences.

A track circuit apparatus assigns distinct pseudo random noise codes to adjacent block sections for reliable data transmission.

A method detects activated code channels by comparing symbol energy of adjacent nodes against noise thresholds.

Auxiliary circuit generates blocker replica to cancel interference in full duplex systems.

Dynamic demodulation reference signal length calculation enables flexible physical resource block allocation in multi-user MIMO systems.

Dynamic subcarrier activation reduces interference and fading while maintaining signal-to-noise ratio.

A constant amplitude encoding apparatus segments data bits into blocks and applies orthogonal codes with varied amplitudes to optimize physical layer transmission.

Base station adjusts received uplink signals by determining frequency offsets to detect random access preambles.

Cyclically repeated base sequences enable frequency domain spectral shaping on reference signals.

Dynamic SRS resource segmentation optimizes transmission reliability while reducing resource wastage in power-limited user equipment.

Segmenting subcarriers into K subsets with spaced mixers reduces ADC sampling rate by factor K, lowering power consumption and hardware complexity.

Interlaced resource block mapping suppresses auto-correlation side-lobes, reducing mis-detection probability in unlicensed spectrum.

A method determines sequence group indices using physical channel and cell identities to generate Demodulation Reference Signals.

A signal transmission apparatus phase-shifts modulation symbols and selects Fourier coefficients to generate a single sideband DFT-s-OFDM signal.

Fourier-based orthogonal chirp sequences encode user messages and generate radar reflections on a single platform, reducing hardware complexity.

Golay-Walsh sequences eliminate sidelobes and cross-talk interference while maintaining orthogonality in CDMA systems.

Extended random access preambles identify non-standard user equipment classes via cyclic shifts, reducing physical channel contention.

A receiver architecture uses pseudo-noise codes to modulate tone signals for packet identification.

An interference cancellation module computes weighting factors and residual signals to suppress multipath interference in WCDMA receivers.

A single-channel LoRa receiver dynamically changes its spreading factor to synchronize with multiple transmitters.

A wireless biological measurement system uses composite chaotic communication signals to transmit data from monitoring devices.