18167380. SIGNAL PROCESSING APPARATUS FOR USE IN OPTICAL COMMUNICATION simplified abstract (Huawei Technologies Co., Ltd.)
Contents
SIGNAL PROCESSING APPARATUS FOR USE IN OPTICAL COMMUNICATION
Organization Name
Inventor(s)
Artem Vitalyevich Cherenkov of Moscow (RU)
Mikhail Alexandrovich Linnik of Moscow (RU)
SIGNAL PROCESSING APPARATUS FOR USE IN OPTICAL COMMUNICATION - A simplified explanation of the abstract
This abstract first appeared for US patent application 18167380 titled 'SIGNAL PROCESSING APPARATUS FOR USE IN OPTICAL COMMUNICATION
Simplified Explanation
The patent application describes a signal processing apparatus that includes multiple digital-to-analog converters (DACs) and a digital compensation engine to perform distortion compensation on a digital input signal. Here are the key points:
- The signal processing apparatus has multiple time-interleaving DACs that sample a digital input signal at a preset sub-DAC sample frequency and generate analog sub-DAC output signals.
- An analog multiplexer samples the sub-DAC output signals at a preset multiplexer clock frequency and generates a multiplexer output signal.
- A local analog-to-digital converter (ADC) receives the multiplexer output signal and generates a digital feedback signal.
- A digital compensation engine receives the digital feedback signal from the local ADC and determines distortion compensation parameters.
- A digital pre-processing stage receives the distortion compensation parameters from the digital compensation engine and performs distortion compensation pre-processing on the digital input signal.
Potential applications of this technology:
- Audio signal processing: The signal processing apparatus can be used in audio systems to compensate for distortion and improve the quality of the audio output.
- Telecommunications: The technology can be applied in telecommunications systems to enhance the signal quality and reduce distortion in voice and data transmission.
- Instrumentation and measurement: The signal processing apparatus can be utilized in measurement devices to improve the accuracy and reliability of the measured data.
Problems solved by this technology:
- Distortion compensation: The signal processing apparatus addresses the issue of distortion in digital signals by applying compensation techniques to improve the signal quality.
- Interference reduction: By using multiple DACs and a digital compensation engine, the technology helps reduce interference and improve the overall performance of the signal processing system.
Benefits of this technology:
- Improved signal quality: The distortion compensation techniques applied by the signal processing apparatus result in a higher quality output signal with reduced distortion.
- Enhanced system performance: By reducing interference and improving signal quality, the technology enhances the overall performance of the signal processing system.
- Versatility: The signal processing apparatus can be used in various applications, such as audio systems, telecommunications, and measurement devices, providing flexibility and adaptability to different industries.
Original Abstract Submitted
A signal processing apparatus includes a plurality of time-interleaving digital-to-analog converters each configured to sample a digital input signal at a preset sub-DAC sample frequency, and to generate an analog sub-DAC output signal. The signal processing apparatus includes analog multiplexer that samples the plurality of sub-DAC output signals at a preset multiplexer clock frequency and generates a multiplexer output signal. The signal processing apparatus further includes a local ADC that receives the multiplexer output signal and generate a digital feedback signal. The signal processing apparatus further includes a digital compensation engine that receives the digital feedback signal from the local ADC and determine one or more distortion compensation parameters. The signal processing apparatus further includes a digital pre-processing stage that receives the one or more distortion compensation parameters from the digital compensation engine and performs distortion compensation pre-processing on the digital input signal.
