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.