Multi-Frequency Code Systems TRIZ Cases

Terminal apparatus transmits capability parameters indicating support for semi-persistent scheduling and uplink transmission skipping to reduce latency.

Three pseudo-orthogonal carrier components modulate data signals to transmit 3n bits per interval.

Segmenting frequency spectra with optimal Golomb ruler-based peak reduction tones to lower PAPR while preserving data integrity and power amplifier efficiency.

Segmenting OFDM signals allows targeted edge band filtering to reduce out-of-band radiation without increasing device complexity.

Segmenting the frequency spectrum into sub-bands maintains orthogonality and prevents interference between different numerologies.

Iterative signal power measurement estimates interference source location, reducing time loss compared to complex direction finding arrays.

Orthogonal time frequency space modulation maps signals to the delay-Doppler domain.

Partitioning OFDM subcarriers into groups generates elementary sequences that enhance frequency synchronization accuracy.

Duplicate wireless preambles across frequency bands with distinct puncturing patterns to create redundant signal copies.

User equipment determines noise covariance parameters and reports them to the base station, resolving channel reciprocity limitations in 5G NR systems.

Individual symbol filtering in a filterbank multi-carrier system reduces inter-carrier interference and eliminates cyclic prefix overhead.

A constrained peak cancellation method reduces the peak-to-average power ratio in OFDM symbols by subtracting optimized pulses from clipping noise samples.

Serial division circuitry calculates scaling factors for crest factor reduction, reducing divider hardware consumption in power amplifiers.

A coherent peak detection method processes multiple band input signals by combining phase information to accurately identify signal peaks.

Orthogonal code masking reduces peak-to-average power ratio in long training field sequences, enabling efficient channel estimation in multi-user environments.

A transmitter node uses a dynamic length cyclic prefix to align channel reservation messages after an asynchronous preamble.

Segmenting OFDM subcarriers into active and silent sets increases transmit data bits by 59% while reducing energy consumption by 58%.

Exact zero tail data signals reduce interference and attenuation in high-frequency bands above 6 GHz.

Sharing large-scale channel properties across multiple aperiodic tracking reference signal transmissions resolves mismatches in high mobility scenarios.

A segmented preamble symbol uses DFT-s-OFDM modulation to enable robust frame detection and synchronization with low computational overhead.

Terminal device transmits capability information to network device for type switching based on interruption requirements.

Segmenting subframes prevents PUSCH retransmissions from colliding with sounding reference signals, maintaining downlink throughput.

A pilot signal generating apparatus estimates adjacent data symbol interference to pre-compensate pilot symbols.

Dynamic guard interval adaptation reduces excessive overhead in wireless communication by tailoring cyclic prefix duration to operational conditions.

Aligning NB-IoT carriers with 5G NR subcarriers minimizes interference and reduces guard band overhead.

A DFT-spread FBMC modulation apparatus generates candidate signals with time-shifted subcarriers to select the lowest peak-to-average power ratio.

Segmenting signatures into base and cyclic shift fields expands preamble capacity while reducing cyclic prefix overhead in 5G networks.

A multi-Frequency Allocation access scheme distributes packets to processors for independent MAC layer processing and physical layer encoding.

Extending cyclic prefix duration via symbol repetition resolves insufficient guard interval length at high subcarrier spacings, improving cell edge link budget.

A wireless device pre-compensates carrier frequency offsets using TXVECTOR values before frame transmission to align signal frequencies.

A constant-envelope waveform encodes data in instantaneous frequency to maintain signal integrity under interference.

Demultiplexing data streams onto allocated interlaces reduces collision likelihood in unlicensed bands while maintaining high bandwidth occupancy.

Segmented subfields in a MIMO signaling field configure dynamic bandwidth, reducing system complexity while improving spectrum efficiency.

Segmenting slots into dedicated uplink grant types reduces blind decoding complexity and power consumption.

Inverse frequency transforms on cross spectral densities reduce computational complexity for Narrowband IoT cell search.

A terminal determines frequency domain resources within a bandwidth part using specific resource allocation indications.

A dynamic filter configuration mechanism tailors prototype filters to specific subframe attributes for multi-carrier signal generation.

Modifying sub-carrier phases and amplitudes via DFT spreading lowers peak-to-average power ratio, enabling cheaper amplifiers without extra control overhead.

A sub-carrier estimation method extracts a training sequence from data frames to perform fast Fourier transform and conjugate multiplication for frequency domain analysis.

Reception apparatus detects relative delays between MIMO transmission paths using correlation detection on received signals.

Correlating candidate DMRS sequences with local references identifies intended control channels before decoding.

A transmitter intermixes write stream data symbols with pseudo-random idle control symbols to maintain clock synchronization.

A single bandwidth DMA engine processes multi-bandwidth data flows over a common public radio interface link using flexible positioning and zero padding.

A terminal performs listen-before-talk without random backoff to transmit signals during a shared channel occupancy time.

A dynamic line management system monitors signal-to-noise margin variability to switch between rate adaptive and capped profiles.

A terminal determines a cyclic prefix extension value for uplink transmission using pre-configured parameters when base station settings are absent.

A PRACH control module directs an interpolation circuit to expand small IFFT outputs for DAC input.

Index modulation assigns data bits to reserved resource element patterns, reducing peak-to-average power ratio without sacrificing spectral efficiency.

A wireless node changes phase tracking reference signal patterns across symbols to optimize intercarrier interference compensation.