Modulated-Carrier Systems TRIZ Cases

A pipelined FFT processor architecture distributes computation across multiple stages to achieve high throughput.

Iterative peak clipping and QPSK constellation constraints reduce the peak-to-average power ratio of hybrid FM OFDM signals to suppress out-of-band emissions.

A wireless communication method configures subframes with static and flexible regions to manage DL and UL resource allocation.

A channelization circuit decouples input and output sample rates using phase shifters, Fourier transforms, and commutators.

A delay-Doppler OTFS receiver estimates oscillator frequency offset using dedicated pilot symbols arranged in a two-dimensional grid.

A compact all-fiber delay interferometer uses U-shaped branches and a fiber heater for precise phase control.

Segmenting wideband interference into narrowband channels allows independent filtering to eliminate noise across all frequency bands.

User equipment transmits processing gap configuration requests to resolve measurement errors in 5G positioning systems.

Single-carrier frequency division multiple access offsets adjacent subbands to lower peak-to-average power ratio and improve signal quality.

A link interface technique uses data indicator symbols to differentiate between data and special characters for improved bandwidth efficiency.

Segmenting reference signals via a configuration index reduces time-frequency overhead and measurement complexity while maintaining feedback precision.

A wireless positioning apparatus combines transmit and receive filter responses to estimate channel characteristics from time-domain samples.

A terminal apparatus determines channel access manners for uplink transmissions within a network-controlled channel occupation duration.

A transport frame structure divides payload into dedicated segments for client data, fixed stuff, justification data, and control information.

A two-step random access channel configuration decouples preamble repetitions from PUSCH transmissions to support flexible resource allocation.

Deriving FDD slot format tables from TDD entries via unified GC-PDCCH monitoring to resolve system complexity in multi-carrier wireless networks.

Dynamic frequency assignment prevents unauthorized access by making transmission frequencies unpredictable against undetectable tapping.

Superposition coding combines OFDM signals using non-orthogonal resources after IDFT processing.

Grouping pilot signals into representative sets reduces network resource usage by allowing access terminals to report composite strength values.

Network entity associates downlink and uplink reference signals to schedule specific transmission resources for user equipment positioning procedures.

Mapping Phase Tracking Reference Signal density by frequency range compensates phase noise in high-speed NR V2X scenarios while reducing resource overhead.

Dedicated BRE and BRSE bits in trigger frames enable access points to detect punctured subbands without complex blind decoding.

A sampling clock determining circuit detects period widths of input signals to establish frequency ranges without relying on a micro control unit.

Segmented TCI states link periodic DMRS to target reference signals, resolving the trade-off between channel estimation accuracy and device complexity.

A small data signaling radio bearer merges control and user plane functions to optimize resource allocation in wireless networks.

High-energy preamble pulses facilitate accurate channel parameter estimation, reducing receiver complexity and latency in ultra-wideband communication.

Temperature compensation circuit dynamically adjusts bias currents and sampling phases to eliminate thermal drift in analog front end devices.

A terminal receives synchronization signals and PBCH blocks from a base station to transmit uplink channels based on configured candidate sets.

A stereo audio tag insertion method modulates control and tag information using valid azimuths derived from signal energy distribution.

Adaptive PRS configuration reduces detection latency and power consumption by aligning signal density with subcarrier spacing ratios.

An OFDM transceiver adjusts bandwidth and hibernates parallel internal elements to reduce power consumption.

A modulation scheme selection apparatus determines channel capacity indicators to match transmission parameters with current link conditions.

Dynamic adjustment of demodulator clock rates and bit widths reduces power consumption by up to four times while maintaining signal reliability.

Static puncturing manages channel availability by signaling disabled subchannels, reducing transmission collisions during high-throughput wireless procedures.

SSB raster shift optimizes frequency separation between primary entries to reduce scanning overhead while maintaining LTE compatibility.

A closed-loop transmit diversity method uses base station channel estimation to determine signal transmission parameters for multi-antenna wireless systems.

Digital pre-distortion cancels high-order intermodulation interference, reducing duplexer size and complexity requirements.

Detection circuits identify common-mode transients to block demodulator outputs, preventing glitches and maintaining signal integrity in isolation devices.

A base station allocates uplink control channels of different formats to terminals using shared physical resource blocks.

Segmenting communication channels into dedicated reception and transmission paths reduces terminal power consumption while maintaining signal reliability.

A content transmitter rewrites transmission control information based on destination and mode to enable flexible access.

Direct sequence spread spectrum code strings with shifted pseudo-noise sequences maintain signal integrity and penetration through attenuating materials.

A unified downlink control information format schedules multiple physical downlink shared channels for user equipment.

A terminal transmits sounding signals through multiple beamforming weight vectors to determine optimal uplink weights.

Rate matching configurations in a 5G NR physical downlink control channel prevent signal collisions with LTE reference signals during dynamic spectrum sharing.

A timeslot scheduling system allocates services to distinct intervals and transmits grant messages to receivers.

Physical layer prioritization resolves intra-UE collisions by preempting lower priority transmissions, ensuring reliable low-latency communication.

Segmenting total bandwidth into orthogonal tone blocks resolves network congestion by enabling efficient multi-user resource allocation.

An OFDM system allocates data to sub-carriers with lowest interference levels.

A digital signal multiplexing apparatus performs discrete Fourier transform on input signals to extract samples within specific frequency bands.