Modulated-Carrier Systems TRIZ Cases

A radio receiver identifies n-ray channel conditions to select between rake and equalizer processing modes.

Extending HE-LTF symbol duration aligns user fields, resolving interference and improving channel estimation accuracy.

A communication device selects reference signal configurations based on estimated Doppler spread or delay spread from received transmissions.

Virtual users simulate network load via software modules, eliminating expensive physical device logistics and variability in UMTS testing.

Transmitter generates pulses with determined start time, width, and height to eliminate pilot signal energy overhead in loosely synchronized networks.

A terminal device multiplexes uplink control information onto dynamically scheduled physical uplink shared channels to manage transmission resources.

A transmitter selects symbols from a replicated constellation pattern to minimize peak transmit power in wireless systems.

Segmenting signatures into base-station and mobile-station managed pools prevents uplink random access collisions during handover and paging.

SPDT switches route signals between power amplifiers and antennas in a MIMO transceiver, doubling transmission distance.

A multi-generation physical layer protocol data unit combines generation-specific preambles in separate subchannels to support concurrent transmission.

A MIMO radar system segments transmission modes to estimate and cancel self-interference using stored correlation data.

A method determines demodulation reference signal resources using a mapping table with predefined priority orders.

Dual-frequency modulation and ellipse fitting normalize quadrature signals to eliminate nonlinear demodulation errors caused by phase delay drift.

Segmenting physical cell identities into two dimensions resolves interference bottlenecks in dense heterogeneous network deployments.

Pre-calculates compensation values for phase difference deviations to eliminate time-consuming calibration procedures while maintaining reception quality.

Adding a slot offset value based on RAR decoding time resolves timing misalignments in Msg3 PUSCH transmissions.

A compensation unit estimates phase modulation distortions and generates a correction signal to mitigate parasitic frequency effects.

A minus one encoding scheme maps reference wrap-around offset values to enable zero as a valid parameter in video coding bitstreams.

Segmenting TDD uplink subframes into multiple discrete feedback opportunities balances scheduling delays with FDD carriers, reducing air interface delay.

Base station deploys two partially overlapping frequency bands to unify resource scheduling across integrated sub-carriers.

Adjacent PTRS tone clusters overlap DMRS frequencies to correct phase noise and inter-carrier interference in high-frequency 5G NR bands.

Active interference cancellation sub-carriers neutralize sidelobes in orthogonal frequency division multiplexing systems with cyclic prefix.

An all-optical OFDM transmitter uses a K-D-K optical Fourier transform assembly to generate signals directly in the optical domain.

An autoregressive prediction method generates channel estimates for non-received signal frequencies in wireless communication receivers.

A BWP allocation method assigns frequency resources based on node difference values to support simultaneous data transmissions.

Greedy vector selection constructs a beamforming matrix without computing each element, reducing computational complexity and feedback requirements.

Dynamic downlink control channel carrier allocation reduces signaling overhead and improves resource utilization in DC-HSUPA networks.

A base station estimates downlink signal-to-interference ratio using uplink pilot symbols for adaptive transmission.

Extracting significant channel rays reduces feedback bandwidth and mobile processing complexity while maintaining beamforming accuracy.

A printer unit appends a termination identifier to fixed-length sub-data packets for accurate transmission.

A digital coherent receiver calculates a spectrum gravity center to estimate and reduce frequency offsets in optical signals.

Base station configures multiple physical resources with distinct subcarrier spacings and cyclic prefix lengths to support diverse service requirements.

MTC-EPDCCH segments control channel reception into dedicated subbands, enabling reliable downlink control for low-complexity machine-type communication devices.

A super-frame structure organizes wireless frames with dedicated control headers and data portions to facilitate dynamic spectrum sharing.

Dynamic PTRS frequency hopping resolves static allocation bottlenecks to lower code rates and enhance coherent decoding performance.

Dual preambles allow mixed-rate receivers to detect transmissions and defer access, reducing interference in wireless networks.

A sounding reference signal arrangement calculates cyclic shift values to maximize resource separation in LTE uplink transmissions.

Receiving UE monitors time and frequency resources indicated by a first radio access technology control channel to receive second radio access technology messages.

Scrambling sequence initialization incorporates aggregation level to resolve the contradiction between downlink transmission efficiency and device complexity.

Varying tone spacing and symbol duration within wireless subframes to support aligned numerology across different spectrum bands.

Frequency domain segmentation splits wideband signals into parallel low speed channels, eliminating complex post processing required by high speed ADCs.

Transmitting data packets during low loading intervals of the AC mains cycle reduces packet error rates caused by variable electrical noise.

A Physical Uplink Control Channel carries rank indication and scheduling request data via combined modulation.

Segmenting schedule elements into primary and difference information resolves scheduling misinterpretation in coexisting IEEE 802.11ad and 802.11ay networks.

Unified search space configuration enables simultaneous scheduling of multiple transmission time units across carriers.

A compensation circuit balances baseband currents to cancel DC offset in direct-conversion receivers.

Base station selects distributed enhanced control channel elements to transmit downlink control information, resolving LTE Rel-11 flexibility constraints.