Phase-Modulated Carrier Systems TRIZ Cases

Differential encoding and sequence-based processing enable flexible grant-free non-orthogonal transmission in 5G communication systems.

Segmenting ACK/NACK bits into groups mapped to separate slots balances channel dependence and reduces receiver algorithm complexity.

Masking constellation points discards ambiguous signals, resolving complexity trade-offs in code rate search.

Parallel detection circuits and a switch lock MZI transmittance, widening the pull-in range for multi-value phase-modulated signals.

Separating real and imaginary parts of complex-valued symbols into independent sequences reduces peak-to-average power ratio in OFDM systems.

Dynamic power split ratio selection within super-constellations resolves fixed allocation limits, improving link capacity and fairness for near and far users.

Joint calibration estimates transmit and receive IQ mismatch via phase shifted loopback, resolving coupled errors without separate procedures.

Segmenting colliding signals by phase states resolves identical Doppler frequency conflicts, reducing bit error rates.

Time-multiplexing real and imaginary OFDM components eliminates Hermitian symmetry, reducing IFFT chip area and power consumption.

A hybrid error correction system combines forward error correction with packet replay to maintain high bandwidth in high-performance computing interconnects.

Simplified single-bit symbols reduce symbol error rates in FBMC receivers by isolating phase information from interference terms.

A digital radio receiver splits high-rate analog RF signals into parallel streams for efficient frequency translation and demodulation.

A DSSS transmitter configures chip sequences to produce narrowband signals.

A polar receiver employs frequency division and self-triggered time-to-digital conversion to extract signal phase information.

Estimates unknown phase errors by comparing identical data signals from multiple copies, reducing bit error rates in degraded wireless channels.

Parallel linear discrete filters segment the optimal demodulator, reducing computational complexity from exponential to linear growth with pulse length.

Correcting I/Q channel mismatch by transforming elliptical signal loci into circular shapes, reducing calibration time while maintaining high reliability.

PAM decomposition enables fixed-lattice Viterbi processing for SOQPSK-TG signals, resolving time offset complexity while providing soft output data.

Redesigned synchronization signal block configuration using pi/2-BPSK modulation and DFT sequence generation for wireless cellular networks.

Transmitting end applies phase deviation differences between adjacent OFDM symbols to encode first information alongside load data.

Generating reference signal sequences with controlled peak-to-average power ratio properties to resolve mismatch between pi/2-BPSK data and standard signals.

A transmission device obtains a reference sequence with symbol length equal to or smaller than the modulation order.

Direct RF sampling replaces analog mixers with digital logic to reduce system complexity and distortion across multiple frequency bands.

A transceiver arrangement uses 180° phase shifters and dual filter types to attenuate transmitter signals at the receiver input.

Zero coefficient insertion and multipath delay operations reduce peak average power ratio to improve signal-to-noise ratio.

A base station generates superposition coding signals and sends notification signaling to user equipment for targeted data acquisition.

A pseudo-return-to-zero modulator uses a narrow pulse clock generator to drive an optical modulator into PRZ(n) format.

A modulation method selects subset symbols from QAM constellations to simulate APSK formats.

A single modulator uses independent I and Q voltage signals to perform phase-shift keying modulation.

Phase rotation between slots allows receivers to distinguish superimposed signals, resolving the trade-off between spectral efficiency and hardware complexity.

Segmenting data into correlated pairs boosts spectral efficiency and extends transmission distance in ultra long-haul systems.

A transmission method uses phase modulation on reference signals to encode destination identification information.