Prior art

To identify the most relevant prior art for US patent 11032111, I will access the USPTO database. Since I cannot directly interact with a live USPTO search portal, I will rely on the provided patent text, which lists "References Cited" by the examiner. I will then use this list to provide the requested information for each prior art reference.

Here is the most relevant prior art for US patent 11032111, based on the references cited within the patent itself:

US Patent 11,032,111 References Cited:

U.S. Patent Documents:

• US 8,605,821 B2

  • Full Citation: US 8,605,821 B2 (December 10, 2013)
  • Publication/Filing Date: December 10, 2013 (Publication Date)
  • Brief Description: This patent describes a SerDes with a training method that selects initial equalization settings from a set of predetermined settings based on channel conditions. It then refines these settings. This is highly relevant to the core concept of using pre-stored coefficients for initial equalization.
  • Potentially Anticipates Claims: Claims 1 and 8, as both independent claims involve selecting initial pre-equalizer coefficient values from multiple registers and updating them during a training phase.

• US 9,300,432 B2

  • Full Citation: US 9,300,432 B2 (March 29, 2016)
  • Publication/Filing Date: March 29, 2016 (Publication Date)
  • Brief Description: This patent relates to adaptive equalization in communication systems, potentially disclosing methods for selecting or adapting equalizer coefficients.
  • Potentially Anticipates Claims: Claims 1 and 8, if it describes a similar process of selecting initial coefficients for different channel models and then updating them.

• US 9,722,787 B2

  • Full Citation: US 9,722,787 B2 (August 1, 2017)
  • Publication/Filing Date: August 1, 2017 (Publication Date)
  • Brief Description: This patent likely pertains to high-speed serial communication with equalization techniques, possibly involving preset or adaptable coefficients.
  • Potentially Anticipates Claims: Claims 1 and 8, depending on the specifics of its equalization adaptation and the use of preset coefficients.

• US 9,992,028 B2

  • Full Citation: US 9,992,028 B2 (June 5, 2018)
  • Publication/Filing Date: June 5, 2018 (Publication Date)
  • Brief Description: This patent focuses on equalization in transceivers, potentially with mechanisms for setting or adjusting filter coefficients.
  • Potentially Anticipates Claims: Claims 1 and 8, if it details a system with multiple initial coefficient sets corresponding to different channel conditions.

• US 10,020,950 B2

  • Full Citation: US 10,020,950 B2 (July 10, 2018)
  • Publication/Filing Date: July 10, 2018 (Publication Date)
  • Brief Description: This patent is likely related to SerDes architectures and equalization. Its relevance would depend on its specific teachings regarding adaptable pre-equalizer coefficients and their initial selection.
  • Potentially Anticipates Claims: Claims 1 and 8, if it includes features of selecting initial coefficients from registers based on channel models and subsequent updating.

• US 10,218,432 B2

  • Full Citation: US 10,218,432 B2 (February 26, 2019)
  • Publication/Filing Date: February 26, 2019 (Publication Date)
  • Brief Description: This patent addresses equalization and training in communication links. The specific mechanisms for coefficient handling would determine its direct relevance.
  • Potentially Anticipates Claims: Claims 1 and 8, particularly if it discloses the use of pre-programmed coefficient sets and an iterative selection process.

• US 10,305,510 B2

  • Full Citation: US 10,305,510 B2 (May 28, 2019)
  • Publication/Filing Date: May 28, 2019 (Publication Date)
  • Brief Description: This patent likely covers SerDes pre-equalization or adaptive equalization techniques. Its specific contribution to selecting initial coefficients and training would be key.
  • Potentially Anticipates Claims: Claims 1 and 8, if it describes registers with channel-model-specific initial coefficient values.

• US 10,505,622 B2

  • Full Citation: US 10,505,622 B2 (December 10, 2019)
  • Publication/Filing Date: December 10, 2019 (Publication Date)
  • Brief Description: This patent pertains to equalization in high-speed data transmission. Its relevance lies in whether it teaches the selection and adaptation of pre-equalizer coefficients from multiple stored sets.
  • Potentially Anticipates Claims: Claims 1 and 8, if it covers the selection of initial coefficient values from multiple registers tied to different channel models.

• US 2017/0126442 A1

  • Full Citation: US 2017/0126442 A1 (May 4, 2017)
  • Publication/Filing Date: May 4, 2017 (Publication Date)
  • Brief Description: This application describes communication systems with adaptive equalization. The specific details regarding the initialization and adaptation of pre-equalizer coefficients would be relevant.
  • Potentially Anticipates Claims: Claims 1 and 8, if it describes a system where initial pre-equalizer coefficients are selected from a set of registers, each corresponding to a different channel model.

• US 2018/0109312 A1

  • Full Citation: US 2018/0109312 A1 (April 19, 2018)
  • Publication/Filing Date: April 19, 2018 (Publication Date)
  • Brief Description: This application likely relates to SerDes communication and equalization. Its teachings on adaptable pre-equalizer coefficients and their initial values would be important.
  • Potentially Anticipates Claims: Claims 1 and 8, if it discusses the selection and updating of initial pre-equalizer coefficients stored in registers, particularly in the context of different channel conditions.

• US 2018/0205561 A1

  • Full Citation: US 2018/0205561 A1 (July 19, 2018)
  • Publication/Filing Date: July 19, 2018 (Publication Date)
  • Brief Description: This application covers SerDes architecture with a hidden backchannel protocol, which is explicitly cross-referenced in the US11032111 patent. While not directly about the pre-equalizer coefficients themselves, the backchannel communication described could be used to facilitate the updates mentioned in Claims 1 and 8.
  • Potentially Anticipates Claims: Indirectly relevant to the "updating" aspect of Claims 1 and 8, by providing a mechanism for conveying those updates.

Other Publications:

• IEEE Std 802.3-2015, IEEE Standard for Ethernet.

  • Full Citation: IEEE Std 802.3-2015, IEEE Standard for Ethernet.
  • Publication/Filing Date: 2015 (Publication Date)
  • Brief Description: This is a foundational standard for Ethernet, covering various aspects of LAN operations, including physical layer specifications. The patent US11032111 explicitly states that its methods operate in compliance with this standard (or later). This standard sets the context for the communication environment where the pre-equalizer operates and defines aspects like data rates, channel types, and equalization requirements. While not a patent, it provides crucial background and context for the problem US11032111 aims to solve.
  • Potentially Anticipates Claims: Does not directly anticipate specific claims under 35 U.S.C. § 102 as it is a standard, not a prior art disclosure of the specific invention. However, it establishes the known environment and challenges that the patent addresses.

• ISO/IEC 7498-1:1994.1, Information technology—Open Systems Interconnection—Basic Reference Model: The Basic Model.

  • Full Citation: ISO/IEC 7498-1:1994.1, Information technology—Open Systems Interconnection—Basic Reference Model: The Basic Model.
  • Publication/Filing Date: 1994 (Publication Date)
  • Brief Description: This is the Open Systems Interconnection (OSI) model standard, defining the conceptual layers of telecommunication and computer network protocol design. Like the IEEE standard, it provides fundamental context for network communication and the layers in which the SerDes operates.
  • Potentially Anticipates Claims: Does not directly anticipate specific claims under 35 U.S.C. § 102 for the same reasons as the IEEE standard.