Apple inc. (20240179034). Analog Channel Equalization and Channel Adaptation simplified abstract

From WikiPatents
Jump to navigation Jump to search

Analog Channel Equalization and Channel Adaptation

Organization Name

apple inc.

Inventor(s)

Lizhi Zhong of Sunnyvale CA (US)

Vishal Varma of Fremont CA (US)

Yu Chen of Santa Clara CA (US)

Wenyi Jin of San Jose CA (US)

Analog Channel Equalization and Channel Adaptation - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240179034 titled 'Analog Channel Equalization and Channel Adaptation

Simplified Explanation

The receiver circuit described in the patent application includes mechanisms for analog channel equalization and channel adaptation. Here is a simplified explanation of the abstract:

  • Front-end circuit filters incoming signal to generate a filtered signal.
  • Sample recovery circuit samples equalized signal to generate recovered data symbols.
  • Decision feedback equalization (DFE) circuit generates feedback signal based on recovered data symbols.
  • Logic circuit adjusts filters in the front-end circuit based on the recovered data symbols.

Potential Applications

The technology described in the patent application could be applied in:

  • Communication systems
  • Signal processing devices
  • Wireless networks

Problems Solved

The receiver circuit addresses the following issues:

  • Signal distortion in analog channels
  • Interference in data transmission
  • Signal degradation over long distances

Benefits

The receiver circuit offers the following benefits:

  • Improved signal quality
  • Enhanced data transmission reliability
  • Adaptability to changing channel conditions

Potential Commercial Applications

The technology could be utilized in various commercial applications, such as:

  • Telecommunications equipment
  • Networking devices
  • Consumer electronics

Possible Prior Art

One possible prior art for this technology could be:

  • Existing receiver circuits with basic equalization capabilities

Unanswered Questions

1. How does the logic circuit precisely determine the adjustments needed for the filters based on the recovered data symbols? 2. Are there any limitations to the adaptability of the receiver circuit to different types of analog channels and signal conditions?


Original Abstract Submitted

a receiver circuit including mechanisms for analog channel equalization and channel adaptation is disclosed. the receiver includes a front-end circuit configured to generate a filtered signal by performing filtering of an incoming signal that includes a stream of data symbols. a sample recovery circuit configured to sample an equalized signal, based on the filtered signal, to generate a plurality of recovered data symbols. a decision feedback equalization (dfe) circuit configured to generate the feedback signal based on the plurality of recovered data symbols. a logic circuit is configured to cause adjustment to one or more filters in the front-end circuit based on the plurality of recovered data symbols.