Variable data rate control protocol

A data rate, data technology, applied in data exchange network, data exchange through path configuration, digital transmission system, etc., can solve the problem of the inherent bandwidth limit of digital information.

Active Publication Date: 2016-06-22
SCHNEIDER ELECTRIC (AUSTRALIA) PTY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the communication medium has an inherent bandwidth upper limit to the amount of digital information that can be carried with reasonable reliability at any one time

Method used

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Examples

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Embodiment Construction

[0032] It is useful to be able to selectively replace or upgrade devices at the lowest cost and least inconvenience to make the network operate to allow new or upgraded devices to be added on the network as demand for increased data arises due to changing orders The data rate for data exchange between devices.

[0033]There are times when it is advantageous or highly important to upgrade the firmware and / or configuration used by one or more devices for a number of other reasons or needs, since an out-of-band interface may not be available or convenient, requiring or Expect to send updates on existing networks. In one example, the firmware of the devices on the home and building networks inevitably needs to be updated to improve the security of the devices, in another example, the controlled devices on the network need to be updated, for example, firmware to perform new functions Or a configuration parameter of the device needs to be changed. Data including updates will need ...

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Abstract

There is disclosed a protocol which can use the existing network bandwidth limitations for transmission during at least the bus contention period after which the remaining portion of the data should be collision-free but allow for a choice of signalling rate within the frame after that bus contention period for the payload data to be transmitted, thus allowing the use of a different data rate in parts of a frame. Additionally there is disclosed advantages to be gained by making best use of available but otherwise not used network bandwidth capability at different parts of the transmission of a frame, such that the protocol enhancement should be compatible with existing installed devices and associated controllable arrangements, so that a system existing in a network can be upgraded, by adding one or more of the devices and associated controllable arrangements which can transmit and receive both the original standard (typically lower) data rate as well as the newer (typically higher) data rate transmissions, at the convenience of the owner of the network without a cost burden associated with replacement or the upgrading of all existing devices or associated controllable arrangements.

Description

technical field [0001] The present disclosure relates to a method capable of changing the transmission effective bandwidth in a packet-switched baseband signaling communication network. Background technique [0002] Typical electrical control systems for home and building installations include a large number of electrical devices and / or electrically controlled devices designed to be controlled, such as: electrical switches and sockets; various types of electrical loads (e.g., lighting, heating, Refrigeration and various electric devices); and protective devices such as miniature circuit breakers, residual current circuit breakers, fuses, etc. [0003] A control system in such an installation comprises one or more devices including transceiver means associated with one or more of the aforementioned electrical devices, the transceivers being typically coupled in parallel via a communication medium. For reasons of simplicity and cost, the communication medium typically include...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/40H04L12/413
CPCH04L12/4013H04L12/413
Inventor 唐纳德·穆雷·特勒斯丹尼尔·卡默曼
Owner SCHNEIDER ELECTRIC (AUSTRALIA) PTY LTD
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