Modulated-Carrier Systems TRIZ Cases

Terminal devices map resource pools to basic numerologies to resolve adaptability versus complexity trade-offs in 5G service selection.

Segmented OFDM preambles with unique pilot tones resolve timing ambiguity and frequency selectivity issues during cell search.

A base station dynamically adjusts ranging slot counts based on real-time mobile station occupancy ratios to optimize resource utilization.

A terminal apparatus segments downlink control information format sizes into discrete groups to configure distinct sets of continuous frequency domain resource blocks.

A resource allocator computes binary decision vectors to determine optimal subchannel assignments for communication links.

Exclusive-OR based cross-correlation replaces complex arithmetic to resolve circuit complexity and power consumption in OFDM block boundary detection.

Multiplexing DCI sub-blocks into a single data block enables powerful encoding schemes that reduce blind decoding complexity at user equipment.

Encoding data rates in preambles allows receivers to detect speeds early, reducing payload delay and improving framing efficiency.

Calculates minimum pad bits to eliminate filler data, boosting throughput in OFDM communications.

A digital radio receiver converts encoded content into a second format for storage and decoding to recover program data.

Shared forward-link subcarriers carry spread control messages to eliminate dedicated bandwidth waste while avoiding explicit user identification overhead.

A user terminal adjusts downlink control information monitoring across multiple search spaces by appending zeros to match varying payload sizes.

Circular shift rearranges QAM constellation bits, resolving reliability-complexity trade-offs in HARQ re-transmissions.

A PLC analog front-end noise reduction circuit filters out-of-band frequencies using single-tuned shunt filters.

A radio communication method calculates total data size by associating resource sizes with data sizes to decode data across multiple radio resources.

Narrow band controllers provide timing references to wide band devices, eliminating high precision crystal oscillators and reducing power consumption.

Chirp interrogation signals enable a backscatter tag to separate data from clutter noise in millimeter wave spectra.

A synchronization signal detection chip segments sequences to reduce processing operations.

Segmenting frame formats into distinct types resolves the contradiction between adaptability and system complexity while reducing overhead.

A dual-frequency communication system uses lower bands for initial control signaling to establish timing before activating higher frequency data channels.

Segmenting synchronization signals into periodic beam segments reduces resource overhead while maintaining full cell coverage.

A wireless signaling method uses a first field to indicate time window duration and a second field for multicarrier symbol types.

Terminal devices vary base sequence numbers of demodulation reference signals to orthogonalize uplink transmissions.

A burst optical signal receiving device recovers valid electric signals using a trans-impedance amplifier and limiting amplifier.

A mixer-first hybrid analog-to-digital converter integrates discrete-time filtering with switching capacitor arrays to enable adaptive signal processing.

A Bluetooth master subsystem assigns blocking priorities to unused channels based on local estimation and co-located system maps.

An active routing circuit uses transceivers to switch between driver and receiver modes for efficient signal routing.

An optical OFDM receiver filters electrical signals to compensate for transmitter nonlinearity distortion.

A High-Order PSK signaling system generates time-evolving spreading sequences using residue number arithmetic to support low-power IoT node communications.