20240048235. Messaging channel in a coherent optical DSP frame simplified abstract (Ciena Corporation)

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Messaging channel in a coherent optical DSP frame

Organization Name

Ciena Corporation

Inventor(s)

Sebastien Gareau of Ottawa (CA)

Timothy James Creasy of Manotick (CA)

Messaging channel in a coherent optical DSP frame - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240048235 titled 'Messaging channel in a coherent optical DSP frame

Simplified Explanation

The patent application describes systems and methods for coherent optical communication using digital signal processing (DSP). Here is a simplified explanation of the abstract:

  • The system receives a set of symbols that make up a DSP frame for coherent optical communication.
  • Within the DSP frame structure, there is a messaging channel that contains a subset of the symbols.
  • The system captures multiple samples of the messaging channel.
  • Based on the analysis of these samples, the system determines a message within the messaging channel.
  • Optionally, the system can transmit a reply to the message in the messaging channel, which is repeated multiple times.
  • The analysis is performed before forward error correction (FEC) decoding on the data path.

Potential applications of this technology:

  • Coherent optical communication systems: This technology can be used in systems that require high-speed and reliable communication over optical channels, such as fiber-optic networks.
  • Digital signal processing: The methods described in the patent application can be applied to various digital signal processing applications, including those outside of optical communication.

Problems solved by this technology:

  • Efficient messaging channel utilization: By incorporating a messaging channel within the DSP frame structure, the system optimizes the use of available symbols for communication.
  • Reliable message detection: The analysis of multiple samples allows for accurate determination of messages within the messaging channel, even in the presence of noise or interference.

Benefits of this technology:

  • Improved communication efficiency: By utilizing a messaging channel within the DSP frame, the system can transmit messages alongside the main data stream, reducing the need for additional communication channels.
  • Enhanced reliability: The analysis of multiple samples improves the accuracy of message detection, leading to more reliable communication.
  • Simplified implementation: The integration of messaging channel analysis before FEC decoding streamlines the overall system design and reduces complexity.


Original Abstract Submitted

systems and methods include receiving () a plurality of symbols that are part of a defined digital signal processing (dsp) frame for coherent optical communication, wherein the dsp frame structure has a messaging channel incorporated therein that includes a subset of the plurality of symbols; capturing () multiple samples of the messaging channel; and determining () a message in the messaging channel based on analysis of the multiple samples. the method can further include transmitting (), in the messaging channel, a reply to the message with the reply being repeated multiple times. the analysis is performed prior to forward error correction (fec) decoding on the data path.

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