Multiple Modulation Transmitter/Receiver Arrangements TRIZ Cases

A managed time division duplex baseband signaling protocol coordinates transmission periods between indoor and outdoor satellite units.

A hybrid FQAM modulation scheme transmits signals using active tones to optimize spectral efficiency in wireless communication systems.

A controlling radio network controller determines local cell support capability by receiving node B capability information and applying a default separate IUB transport bearer assumption.

Trigger frames allocate resource units to high-efficiency stations, resolving bandwidth utilization conflicts with legacy device compatibility.

Extract transpositional modulation signals from combined carriers by detecting center frequency and modifying local oscillator, resolving separation difficulty.

Nodes monitor packet errors to switch modulation density, reducing interference impact on communication reliability.

Phase rotation aligns interfering signals to generate specific filter coefficients, suppressing co-channel interference in mixed modulation environments.

Infrastructure equipment estimates signal-to-interference-and-noise ratios across resource units and produces a cepstrum for transmission.

A reservation signal fills unoccupied sub-symbol slots to secure channel access before the next symbol period begins.

A transmitter re-mapping unit generates signals compatible with multiple modulation waveforms.

Segmenting spectrum into resource blocks with localized filtering suppresses out-of-band emission and inter-carrier interference in non-contiguous channels.

An iterative channel estimation method updates frequency offset hypotheses using inter-carrier interference matrices to refine pilot estimates.

A variable impedance antenna modulates its electrical conductivity to generate arbitrary backscattered signals.

A dynamic frequency domain guard band based on specific waveform pairs minimizes interference between overlapping uplink and downlink signals.

Switching frequency bands reduces digital part power consumption in VDSL transmission apparatus by optimizing Fourier transformations.

A multi-mode receiver detects packet headers to switch between spread spectrum and non-spread spectrum processing modes.

Extended communication frames repeat basic payloads to enable signal combination and error correction at the receiver.

A modulated signal uses frequency redundancy to recover information from fewer components while applying an amplitude mask to control spectral output.

Pre-calculated system parameter tables allow terminals to detect OFDM networks directly, eliminating exhaustive search cycles and reducing battery drain.

Multi-carrier clear-to-send frames estimate angles of departure to resolve indoor location reliability issues.

A transceiver circuit uses switches to bypass filters in TDD mode, minimizing signal loss while supporting dual-mode operation.

An adaptive modulation coding selection algorithm optimizes wireless data transmission rates by dynamically adjusting parameters based on real-time channel conditions.

Segmenting TDMA slots into unequal sub-slots widens sub-carrier spacing to improve signal-to-noise ratio at high speeds.

Trial demodulation identifies carrier schemes in DTMB receivers, resolving detection errors caused by short bit sequences in multi-path environments.

A terminal switches between OFDM and DFT-s-OFDM waveforms based on allocated resource blocks.

A one-shot blind channel estimator replaces pilot symbols with data-bearing symbols to reduce computational complexity in OFDM systems.

A demodulation unit derives phase signals and generates discrimination signals to recover transmitted symbols from MDPSK modulated data streams.

Circularly rotating constellation symbol assignments across spatial channels distributes subcarriers to mitigate performance loss from problematic frequencies.

A wireless device dynamically switches between non-standalone and standalone modes based on measured inter-modulation distortion values.

A gNB adapts downlink waveform types and guard interval lengths for wireless transmissions above 52.6 GHz.

DCI signaling enables dynamic waveform selection to resolve the contradiction between high data rates and uplink coverage in 5G NR systems.

Phase rotation on NB-IoT DMRS sequences minimizes peak-to-average power ratio while maintaining channel estimation accuracy.

Downlink control information indicates modulation schemes to increase NB-IoT data transmission rates.

A calibration method determines in-phase quadrature amplitude and phase mismatches to configure finite impulse response filter coefficients.

Transmitter predistortion compensates for amplifier nonlinearity, reducing adjacent channel interference.

Dynamic multiplexing modes resolve signal collisions during simultaneous uplink transmission, enhancing reliability.

Dynamic waveform selection optimizes power amplifier efficiency and spectral efficiency across diverse service scenarios.

A system-on-chip receiver applies time and frequency shifting to align signals for accurate demodulation.

A communication apparatus dynamically sets radio waveform parameters based on the operating frequency band to optimize signal transmission.

A 1 MHz OFDM system uses a 32-point FFT with specific subcarrier allocations to enable low power wireless communication.

Network device detects high voice muting rates and reduces UE modulation order to mitigate uplink noise interference.

A wireless access point adjusts operational parameters based on real-time device distance measurements.

Distinct protocol resource regions reduce air-interface latency for IEEE 802.16m while maintaining backward compatibility with legacy IEEE 802.16e systems.

A hybrid communication device adjusts channels using pulse and OFDM signals.

Multi-mode multicarrier modulation allocates time-frequency resources using flexible subcarrier spacing.

A transmission device divides signals into divisions with tailored error tolerance schemes to optimize fronthaul communication efficiency.

A digital optical modulator generates n-quadrature amplitude modulation using segmented phase modulators and digital drivers.

Combines DFT-S-OFDM and OFDM modulation modes in a single downlink signal to overcome high error vector magnitude limits of standard OFDM.