Modulated-Carrier Systems TRIZ Cases

Ultra-wideband RFID backscatter modulator isolates antenna mode components to resolve multipath interference and shadowed zones.

A phase jump correction method modifies target training sequence phase values to align with received signals.

Transmitting NDP Announcement frames across different frequency bands to support A-PPDU transmission in wireless local area networks.

A digital signal processor executes operations on signed magnitude data to reduce power loss from sign bit toggling.

Dynamic scrambling sequences randomize inter-cell interference during retransmissions to boost reliability.

A user terminal selects PUCCH or PUSCH formats for uplink control information based on the active waveform type.

Absorption layers in a multi-layered substrate confine electromagnetic signals between chips, reducing interference without metal housings.

A wideband communication method transmits control information using a separate intermediary radio to preserve the primary data channel capacity.

A user equipment cancels sounding reference signal transmissions to prevent bandwidth part conflicts.

Correction factors derived from pilot transmissions calibrate TDD channels to resolve transmit-receive chain differences.

A lattice enumeration-aided detector approximates a hyperellipsoid search space using channel eigenvectors and eigenvalues.

A transmitter system generates low-PAPR orthogonal preamble sequences using complex conjugation and copying mechanisms.

A base station allocates uplink resources using specific DCI formats and search spaces to determine resource block sets for user equipment transmission.

Wireless terminals transmit trigger frames with specific index ranges to allocate resource units for multi-user access points.

A secondary scrambler sequence generator combines with a primary sequence to produce a PAR reduction signal for OFDM waveforms.

Multiple demodulation paths process OFDM signal bands using separate oversampling and Nyquist rate analog-to-digital converters.

A receiver circuit splits analog signals to detect harmonic distortion via a difference signal injection mechanism.

Broadcasting reference signals enables base stations to measure remote cross-link interference caused by atmospheric ducts, improving system capacity.

Multiplex reference and data channel signals to implement sensing functions, reducing system complexity and overheads without defining new channels.

Amplitude pre-distortion calibrates phase and amplitude non-linearities to meet EVM specifications.

Multiple enhanced PDCCH sets expand control channel capacity while managing configuration complexity.

Computational circuits generate non-predetermined permutation sequences based on data stream content to support wireless transmission.

A communication apparatus selects a group of reference signal resources to perform model inference for receive beam determination.

A Bluetooth symbol timing offset compensation circuit tracks phase using selective bit stream decision-directed techniques.

Dynamic spectral shaping reduces peak-to-average power ratio while maintaining receiver performance in small resource allocations.

User equipment estimates dominant interference power offset to enable joint detection and cancellation without base station signaling.

A wireless device generates a pilot signal using extremely sparse reference signal ports to minimize symbol resource occupation.

A unified media access control layer manages multiple physical entities to allocate time-frequency resources across a single air interface.

First terminal device transmits sidelink positioning reference signals using network-configured or autonomously selected resources from a shared pool.

Extra symbols mark data integrity in error correction codes, preventing corruption from faulty memory locations.

Variable subframes and dynamic subcarrier spacing resolve LTE resource wastage while meeting low latency requirements.

Terminal device determines beam application time using indication information sent after receiving downlink control information.

Segmented banded matrices reduce computational complexity and memory usage for accurate multi-user signal separation.

Switched filters and echo cancellation circuits suppress self-interference and adjacent channel interference in a full duplex cable modem front end.

Transmitter applies selective pulse width modulation delay to signals exhibiting corruption conditions.

A carrier feedthrough cancellation loop neutralizes interference signals using a secondary receiver to generate correction currents for the primary transmitter.

Segmented Resource Units distribute subcarriers across frequency sub-blocks to improve channel allocation efficiency while managing processing complexity.

An OFDMA base station selects orthogonal or shared scheduling modes for M2M devices based on wireless transmission error data.

A cyclotronic plasma actuator generates a rotating plasma disc via Lorentz force to sweep and mix boundary-layer flow.

Determines optimal cyclic shift delay values for each transmit chain in an EHT field to balance reception power across legacy and new signal segments.

A forwarding device extracts specific slice identifiers from a single common control packet, reducing the processing burden on the central control device.

Segmented persistent and non-persistent schedules resolve complexity trade-offs while improving throughput.

A sequence synchronization apparatus detects in-phase modulated training symbols to achieve signal alignment with minimal complexity.

Multi-band filter segments bandwidth into parallel sub-bands to measure power and set gain, rejecting narrowband interference from ignition or cellular sources.

Prioritizing configured resource grants over dynamic scheduling resolves overlapping grant conflicts to ensure reliable high-priority service transmission.

Per-tone equalization applies separate filters to each sub-carrier, maintaining orthogonality without extending cyclic prefix overhead.

Segmenting packets into sub-durations allows dynamic offset correction that resolves symbol decoding inaccuracies caused by synthesizer drift.

A comb resource unit tone mapping scheme distributes tones across wider bandwidths to boost power spectral density in next-generation WLANs.

Appending multiple bursts creates a super burst signal that resolves indoor navigation attenuation by increasing signal power and detection accuracy.

Shared signal points unify QPSK and 16QAM constellations, reducing arithmetic complexity and circuit scale for reliable MIMO detection.