Spectral Gaps Assessment TRIZ Cases

Opposite polarity inversion on adjacent edge subcarriers suppresses outband interference without complex weighting calculations or significant throughput loss.

Network device detects idle channels during occupancy time to transmit data across multiple subframes.

A reservation signal in unused symbols enables efficient time division multiplexing between PUCCH and PUSCH channels.

A carrier aggregation method applies predetermined maximum sensitivity degradation thresholds to receiving reference sensitivity for successful signal reception.

Multi-carrier listen before talk operations coordinate channel sensing to reduce interference with WiFi in shared spectrum.

A user equipment transmits uplink control information via pre-defined locations and formats in licensed or idle unlicensed spectrum carriers.

Line control device transfers vacant frequency bands between priority systems, resolving fixed bandwidth inefficiencies in FDMA networks.

Segmenting wide bandwidth channels into independent subchannels allows selective transmission on idle segments while avoiding busy ones.

Multiplexing system information blocks with discovery reference signals reduces transmission delay and overhead in LTE-U unlicensed spectrum scenarios.

Terminal devices share channel detection across consecutive uplink subframes to attempt transmission in available time slots.

A wireless communication apparatus determines available channels by switching reception frequencies and detecting predetermined preambles in received signals.

Cyclic-wrapped synchronization signal indices reduce initial access latency by aligning transmission with listen-before-talk results.

Sub-Nyquist sampling reduces computational load while maintaining detection accuracy through cyclostationary feature extraction.

An N-point FFT transforms channel measurement signals into frequency domain data, enabling parallel power detection within the 9 us timing budget.

Segmenting preambles into QoS-based groups enables terminals to select signals with optimized cross-correlation properties.

A sensor generates event signalling messages modulated by pseudo-random spreading codes derived from a shared seed.

Terminal determines specific transmission slots for uplink control information based on base station scheduling data.

Transmitting user equipment sends sidelink positioning reference signals via mini-slots to reduce latency from Listen Before Talk procedures.

Base stations transmit slot format indicators to configure flexible symbols, creating gaps that mitigate interference while maintaining spectrum efficiency.

A wireless communication method segments beam indication across Listen Before Talk bursts to reduce signaling overhead.

A base station transmits reservation signals on an unlicensed band to reserve spectrum resources for terminal data transmission.

Base station maps PDSCH to unused resource elements within subframes to resolve rate matching conflicts with Discovery Reference Signals.

Network device sends a preamble signal on an unlicensed carrier to indicate downlink transmission capability.

A UE manages Listen Before Talk failure procedures across multiple Bandwidth Parts to maintain uplink connectivity.

Transmitters embed integrity check data to verify channel detection accuracy, resolving interference errors in shared spectrum.

Segmenting channel sensing by frequency subcarriers enables FDMA with CSMA without full-duplex capability, improving medium utilization.

A user equipment reports supported sounding reference signal resource combinations to a base station.

A node adapts clear channel assessment thresholds based on harmonic distortion parameters to manage transmission decisions.

Broadcasting a precoding codeword index synchronizes pre-filtering operations, reducing out-of-band emissions while maintaining demodulation accuracy.

Dynamic subframe allocation resolves unlicensed band channel discontinuity to ensure reliable sounding reference signal transmission.

A method generates and transmits control information by appending acknowledgement data for specific physical downlink shared channels to grouped signals.

Distributed spectrum harvesters employ staggered scanning and round-robin data sharing to detect frequency hopping emitters amid shadowing and fading.

Counting code block groups inside reference bursts enables accurate contention window adjustments for new radio unlicensed spectrum retransmissions.

Base station shares unlicensed carriers with terminal devices using single-slot clear channel assessment for uplink transmission.

A user equipment transmits a PUSCH from multiple candidate starting positions within a scheduled subframe.

A network device adjusts CORESET frequency locations over time to enable faster physical downlink control channel transmission.

A base station schedules a channel occupancy request signal on the Physical Downlink Control Channel for unlicensed spectrum access.

Independent backoff counters enable opportunistic secondary channel access, resolving spectrum waste while maintaining legacy compatibility.

An access control apparatus broadcasts detected empty slots to guide terminal selection.

A first terminal generates sidelink control information containing scheduling details and resource allocation data to transmit data via a shared channel.

An access point transmits trigger frames to schedule uplink sounding packets from stations during transmission opportunities.

Wireless devices control interruption parameters based on transmission time interval duration to reduce packet loss during multicarrier reconfiguration.

Frequency division multiplex random access configuration selects multiple frequency bands for user equipment transmissions.

Dynamic CSI reference signal transmission adapts to antenna port counts and channel conditions, reducing packet loss while maintaining measurement accuracy.

Frequency band allocation system selects optimal channels using usage measurements to resolve congestion and maintain high data rates.

An eNB transmits discovery reference signals within defined windows using clear channel assessment checks to verify spectrum availability.

Spectral mask filling uses available spectrum to reduce peak-to-average power ratio by 2.5 dB while maintaining error vector magnitude.