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Identification codewords for a rate-adapted version of a data stream

A rate adaptation and data flow technology, applied in the network field, can solve the problems of reduced network efficiency and increased cost

Active Publication Date: 2018-04-17
APPLIED MICRO CIRCUITS CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, devices in the network are required to operate synchronously (e.g., each data signal in the network needs to be transmitted by an external clock), resulting in increased cost and / or reduced efficiency of the network

Method used

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  • Identification codewords for a rate-adapted version of a data stream
  • Identification codewords for a rate-adapted version of a data stream
  • Identification codewords for a rate-adapted version of a data stream

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Embodiment Construction

[0024] Aspects of the present disclosure provide a system for modifying data streams for rate adaptation. For example, the identification codeword can be used for a rate-adapted version of the data stream. In this manner, identifying codewords may facilitate adapting the data rate of a data stream between two clock domains, while also identifying predefined codewords that have been inserted and / or deleted as a result of clock rate adaptation. In one aspect, responsive to a determination that the first clock rate is lower than a second clock rate associated with a device configured to receive a rate-adapted version of the data stream (e.g., in response to a determination that the line clock is greater than the client clock) may be A first identifying codeword is inserted at a specific location in the data stream. For example, the first identifying codeword can be configured to indicate that a codeword has been inserted into the data stream through a rate adaptation process. I...

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Abstract

Systems and methods for modifying a data stream for rate adaptation. A clock component receives a data stream at a first clock rate. In an aspect, a rate adaptation component inserts a first identification codeword into a particular location in the data stream based on a set of encoding rules in response to a determination that the first clock rate is lower than a second clock rate associated witha device configured for receiving a rate-adapted version of the data stream. In another aspect, the rate adaptation component removes a predefined codeword from the data stream and transforms anotherpredefined codeword in the data stream into a second identification codeword in response to a determination that the first clock rate is greater than the second clock rate.

Description

technical field [0001] The present disclosure relates to networks, and more particularly to identifying codewords for rate-adapted versions of data streams. Background technique [0002] Electronic communications may include various programmed actions and / or protocols. For example, programming actions and / or protocols can facilitate the timing of transmission and / or reception of data (eg, data signals). In one example, a network timing protocol can be implemented for clock synchronization between network devices and / or network components. In certain cases, the clock rate of the data signal can be modified through a rate adaptation process. Also, in certain networks (eg, Ethernet networks), the Synchronous Ethernet (SYNC-E) standard may be implemented to synchronize data signals within the network. However, the current method for SYNC-E is based on the recovery of the bit rate of the data signals transmitted over the network. Therefore, devices in the network are required...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L7/00H04L29/06
CPCH04J3/0658H04L12/40013H04L25/05H04L2007/045
Inventor F·卡吉尼D·詹纳库劳斯
Owner APPLIED MICRO CIRCUITS CORPORATION