Transmission Control/Equalising TRIZ Cases
- Dual-Polarized MIMO Pre-Equalization for Rain Crosstalk
Rain and altitude sensing drive pre-equalization of phase and amplitude in dual-polarized MIMO links to preserve UAV signal integrity.
- Scalable Phased-Array Beamforming With Spur-Canceling Phase Control
Low-frequency phase control and staged frequency multiplication enable >100 GHz beamforming while suppressing spurs, chip area, and power use.
- RF Path Clock Delay Control for Harmonic Interference Smearing
Variable clock delays spread digital harmonics across the RF band, lowering peak interference while preserving radio frequency path control.
- Maintenance Scheduling for Code-Compliant Vertical Transport Equipment
Algorithm-based scheduling uses equipment surveys and condition metrics to set code-compliant maintenance intervals with real-time task tracking.
- Variable-Delay RF Path Control to Suppress Clock Harmonics
Variable clock delays spread digital harmonics across a wider range, reducing RF path interference while preserving precise control.
- RFID Backscatter Channel Generation Using Band-Pass Delta-Sigma Modulation
Band-pass delta-sigma modulation gives RFID tags dedicated backscatter channels, reducing collisions and improving multi-tag throughput.
- Adaptive Code Rate Control for LDPC Signal Transmission
Adaptive puncturing and shortening stabilize BER/FER across information word lengths in digital broadcast signal transmission.
- Backscatter RFID Channel Generation Using Band-Pass Delta Sigma Modulation
Band-pass delta sigma modulation gives RFID tags dedicated backscatter channels, reducing collisions, DC offset, and read errors.
- Full-Duplex Signal Reconstruction for Self-Interference Cancellation
A reconstructed transmit reference with adaptive attenuation cuts residual self-interference and improves desired signal recovery in full-duplex radio.
- Post-Equalization Impulse Noise Removal in MCM Signals
Post-equalization estimation and subtraction removes masquerading impulse noise in MCM signals, improving symbol error rates over clipping-based methods.
- Receiver Compensation Models for Transmitter Backoff Changes
Adaptive receiver models track transmitter backoff changes to correct nonlinear distortion and maintain communication quality.
- MIMO Transmitter EVM Calculation Using Unbiased MMSE Equalization
Unbiased MMSE equalization isolates each MIMO layer to calculate transmitter EVM accurately despite antenna leakage and channel effects.
- DECT Intercom Network Device for Multipath Signal Correction
Adaptive filters and equalizers reduce DECT multipath interference, preserving duplex audio quality for mobile intercom participants.
- Wireless Channel Estimation with Segmented Known Signals for Long Delays
The receiver extracts delayed signal components across frames and concatenates them, preserving capacity while improving channel estimation.
- Antenna Port EVM Measurement Using Unbiased Linear MMSE Equalization
Measure antenna-port EVM independently with unbiased linear MMSE equalization while accounting for leakage and receiver noise.
- Power Divider Placement After LNA for Multi-Protocol Signal Monitoring
Placing the power divider after the low noise amplifier splits signal energy to multiple chains, reducing losses and improving sensitivity.
- Sub-1 GHz WiMAX Base Station Coverage Extension
Operating below 1 GHz extends coverage up to 20 miles without dense node deployment.
- Dynamic DMRS Port Configuration for Signaling Overhead Reduction
Dynamic reference signal port indexing reduces signaling overhead by allocating specific configurations based on antenna port requirements.
- Frequency Offset Compensation in OFDMA Baseband Signals
Grouping users by estimated frequency offsets allows single tap filters to reduce inter-carrier interference while lowering processing complexity.
- Iterative MIMO Detection for CDMA Interference Subtraction
Iterative linear filtering subtracts multi-antenna, intersymbol, and multi-user interference to boost bit rate without increasing computational complexity.
- Communication Module Terminal Commonalization via Passive Matching Circuit
A communication module uses a passive matching circuit to commonalize receiving terminals of multiple filters.
- Programmable Duplexer with Active Temperature Compensation
A programmable duplexer adjusts receiver and transmitter filter pass bands using temperature sensor circuitry.
- Reception Device Linear Nonlinear Equalization Channel Estimation
A reception device combines linear and nonlinear filters to process signals.
- Reception Device Interference Power Estimation via Null Symbols
A reception device estimates interference power by inserting null symbols to separate desired signal components from noise.
- Transmitter Encoding Data Bits to Reduce Crosstalk in Parallel Channels
A transmitter encoder converts data bits into code bits using specific logic circuits to manage signal transitions.
- Cooperative Relay Network Coding for Wireless Resource Efficiency
Relay stations transmit network-coded data to mobile stations and base stations, reducing relay transmission time while maintaining resource efficiency.
- Split Isolation RFE Architecture Reducing Diplexer Size
A split isolation radio frequency architecture segments filtering functions across transmit and receive paths to reduce diplexer volume.
- Wireless Communication Apparatus Inhibit Periods for Interference
A wireless communication apparatus generates inhibit periods to coordinate transmission timing between modules.
- CMTS Pre-equalization Noise Filtering via Time Domain Coherence
A cable modem termination system generates signal-to-noise ratio-enhanced pre-equalization coefficients using a time domain low pass filter.
- Radio Receiver Cyclic Prefix Energy Recovery
Extracting and combining cyclic prefixes with data parts recovers wasted transmission energy, improving signal-to-noise ratio in single-carrier systems.
- PTT to Voice Call Transition via Subscriber Data Matching
Matching PTT subscriber info against an address registry eliminates manual menu navigation, reducing time consumption during PTT-to-voice transitions.
- Adaptive Interpolation for OFDM Channel Estimation
An adaptive interpolation unit calculates filter coefficients to process channel characteristics across carriers.
- RF Combiner High Impedance Junction Reducing Insertion Loss
Multi-branch reactive combiner presents high impedance at common junction, reducing insertion loss in multi-protocol wireless systems.