Multiple Modulation Transmitter/Receiver Arrangements TRIZ Cases
- Wireless Modulation Security via Channel State Information
A wireless communication device selects modulation methods using channel amplitude and phase information to establish secure data transmission.
- Dual Polarization Coherent Optical Modulation for Signal Detection
A dual polarization coherent optical modulation method maps data bits to a second constellation with more points than the first.
- Vehicle RF Receiver Module for ASK and FSK Signal Selection
A vehicle receiver module selects between ASK and FSK signals over a single transmission line.
- 256QAM Modulation Support in LTE Downlink Control Information
A user equipment receives downlink control information containing a modulation and coding scheme index value selected from a table supporting 256QAM.
- Broadcast Signal Transmission via OFDM Data Pipe Segmentation
A broadcast transmission system segments service data into parallel data pipes for efficient multiplexing across shared RF bandwidth.
- Low-Complexity Single Subcarrier Transmission for M2M Devices
A low-complexity transmission scheme modulates data on a single subcarrier using direct sinusoidal signals to reduce transmitter hardware.
- O-RAN FRONTHAUL EXTENSION FOR NB-IOT TRANSPORT
Extends O-RAN specifications with YANG models and eAxC-ID parameters to enable Narrowband IoT carrier support over the fronthaul interface.
- RF Signal Transport via Data Network Repeaters
Converter units demodulate enterprise RF signals and transmit data over wideband networks to overcome distance limitations in obstructed areas.
- 8PSK Simulcast Modulation for P25 Radio Coverage
Switching from 4-level to 8PSK modulation increases delay spread, resolving limited range and bit error rate issues in Project 25 digital radio systems.
- Adaptive Interpolation for Polar RF Transmitter Signals
An adaptive interpolation method selects between polar and mapped linear techniques to generate high-rate samples.
- Wi-Fi Time-of-Flight Waveform Design for Accuracy
A waveform design uses more signal tones than the receiver decodes to improve time-of-flight estimation accuracy.
- Master-Slave Clock Signal Embedding for Radar Phase Error Reduction
Embedding a frame start signal within the clock reduces phase errors below one cycle, enabling accurate radar range resolution.
- Voltage Conversion Mode Control Based on Modulation Order
Processor identifies modulation order to configure power management module voltage conversion mode between pulse frequency and pulse width modes.
- Broadcast Modulation for Persistent Interference
Time-varying phase rotation patterns modulate broadcast transmission blocks, preventing persistent destructive interference from stationary users.