Patents by Inventor Atif Ahmad

Atif Ahmad has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Physical layer transceiver with reduced variation in packet latency
    Patent number: 12375378
    Abstract: A method of reducing impact of variation in latency in data transport between clock domains of a physical layer transceiver having physical coding sublayer circuitry with a first clock in a first clock domain and physical medium attachment circuitry with a second clock in a second clock domain, includes determining, during an initial training of a link, a transmit latency value in a transmit direction from the first clock domain to the second clock domain, determining, during the initial training of the link, separately from determining the transmit latency value, a receive latency value in a receive direction from the second clock domain to the first clock domain, and using the transmit latency value and the receive latency value to account for latency in transfer of data between the first clock domain and the second clock domain following the initial training until a subsequent training.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: July 29, 2025
    Assignee: MARVELL ASIA PTE LTD
    Inventors: Jeff Junwei Zheng, Ming-Tak Leung, Atif Ahmad, Lenin Patra
  • PHYSICAL LAYER TRANSCEIVER WITH REDUCED VARIATION IN PACKET LATENCY
    Publication number: 20220303109
    Abstract: A method of reducing impact of variation in latency in data transport between clock domains of a physical layer transceiver having physical coding sublayer circuitry with a first clock in a first clock domain and physical medium attachment circuitry with a second clock in a second clock domain, includes determining, during an initial training of a link, a transmit latency value in a transmit direction from the first clock domain to the second clock domain, determining, during the initial training of the link, separately from determining the transmit latency value, a receive latency value in a receive direction from the second clock domain to the first clock domain, and using the transmit latency value and the receive latency value to account for latency in transfer of data between the first clock domain and the second clock domain following the initial training until a subsequent training.
    Type: Application
    Filed: March 21, 2022
    Publication date: September 22, 2022
    Inventors: Jeff Junwei Zheng, Ming-Tak Leung, Atif Ahmad, Lenin Patra