US Patent Application 17824077. PROVIDING HIGH ASSURANCE OF END-TO-END CPRI CIRCUIT IN A HIGH JITTER PACKET BASED FRONTHAUL NETWORK simplified abstract

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PROVIDING HIGH ASSURANCE OF END-TO-END CPRI CIRCUIT IN A HIGH JITTER PACKET BASED FRONTHAUL NETWORK

Organization Name

Cisco Technology, Inc.

Inventor(s)

Manoj Kumar of Bangalore (IN)

Somesh Ubhayanandan Malimath of Bangalore (IN)

Prashant Anand of Bangalore (IN)

PROVIDING HIGH ASSURANCE OF END-TO-END CPRI CIRCUIT IN A HIGH JITTER PACKET BASED FRONTHAUL NETWORK - A simplified explanation of the abstract

This abstract first appeared for US patent application 17824077 titled 'PROVIDING HIGH ASSURANCE OF END-TO-END CPRI CIRCUIT IN A HIGH JITTER PACKET BASED FRONTHAUL NETWORK

Simplified Explanation

The abstract describes a method for ensuring reliable packet delivery in a network with high jitter.

  • The method involves detecting when a data packet is missing and inserting an idle packet in its place.
  • The packet playout process is continuously monitored to track the last valid packet played, the number of idle packets inserted, and the number of packets in the buffer.
  • When it is determined that no more idle packets should be inserted, a valid packet is played out.
  • This process helps maintain link integrity between network elements.


Original Abstract Submitted

The present disclosure is directed to ensuring end-to-end packet delivery in a Common Public Radio Interface (CPRI) circuit with a high jitter packet-based fronthaul network. In one aspect, a method includes determining, at a de-mapper, that at least one data packet scheduled to be played out is not available; inserting an idle data packet into a buffer at the de-mapper for each data packet that is not available; continuously monitoring a packet playout process to (1) identify last valid data packet played out, (2) a number of idle data packets inserted, and (3) a number of data packets currently stored in the buffer; and determining that insertion of idle data packets into the buffer should be stopped and a valid data packet to be played out; wherein inserting the idle data packet and the valid data packet ensure link integrity in data packet transmission between two network elements.

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