Ciena’s patent involves a network element with a dedicated timing channel for synchronization between devices. The device encodes data for communication via physical channels, utilizing one channel for timing. The patent details a three-layer timestamp exchange process for precise time protocol synchronization. GlobalData’s report on Ciena gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Ciena, Data center optical networking was a key innovation area identified from patents. Ciena's grant share as of January 2024 was 76%. Grant share is based on the ratio of number of grants to total number of patents.
Network element with dedicated timing channel for synchronization
A recently granted patent (Publication Number: US11888587B2) discloses a network element designed to facilitate synchronization between devices through the use of a dedicated timing channel. The network element includes a port with a transmitter and receiver, along with circuitry that encodes data for communication via multiple physical channels. One of these channels serves as the dedicated timing channel, featuring unique encoding to support synchronization between devices. The circuitry also facilitates a three-layer timestamp exchange involving a Precision Time Protocol (PTP) clock, an interworking function, and the dedicated timing channel.
Furthermore, the patent details methods for encoding data on the dedicated timing channel, including replicating and interleaving series of codes and adding headers. The network element is described as distributed and disaggregated, with the device and second device both integrated within it. The patent also covers the addition of timestamps to the encoded data on the timing channel, emphasizing the importance of precise timing in network communication. Overall, the invention aims to enhance synchronization capabilities in network elements, particularly in scenarios where accurate timing is critical for efficient data transmission.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
