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Encoding/decoding method, device and system

An encoding method and decoding device technology, applied in the field of encoding/decoding methods, devices and systems, can solve problems such as high bit error rate and decoding errors in the encoding and decoding system, and achieve the effect of reducing the bit error rate and realizing self-protection

Active Publication Date: 2016-01-13
HUAWEI TECH CO LTD
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  • Claims
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Problems solved by technology

[0004] However, during the transmission of encoded data on the link, if the flip bit changes, the data obtained by decoding by the decoding device is not the data actually to be transmitted by the encoding device before encoding, thus causing a decoding error and causing a relatively large error in the encoding and decoding system. high bit error rate

Method used

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  • Encoding/decoding method, device and system
  • Encoding/decoding method, device and system
  • Encoding/decoding method, device and system

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Embodiment Construction

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0047] figure 1 It is a flowchart of an embodiment of the encoding method of the present invention, such as figure 1 As shown, the encoding method of this embodiment includes:

[0048] Step 101, add coding information and a predefined 2-bit inversion bit whether to flip the valid data and coding information sent before the valid data to be sent,...

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Abstract

Disclosed are an encoding / decoding method, device and system. The encoding method comprises: adding encoding information and a predefined 2-bit flipping bit regarding whether to perform flipping on sent valid data and the encoding information or not before the sent valid data to enable a decoding device to determine whether to generate a flipping bit sending error and whether to perform flipping on received valid data according to the value of a received flipping bit and the value of the predefined flipping bit, wherein the encoding information comprises a 1-bit synchronization header; and constituting the sent valid data, the encoding information and the flipping bit into a sent data frame. By means of a 2-bit flipping bit, the present invention enables an encoding / decoding system to effectively reduce the bit error rate of the system.

Description

technical field [0001] The present invention relates to communication technology, in particular to an encoding / decoding method, device and system. Background technique [0002] With the development of communication technology, the rate and amount of data transmission are constantly increasing. In order to improve the reliability of high-speed data transmission, the transmitted data is generally encoded. In the encoding of data, the encoding efficiency, DC balance Characteristics, as well as BER, are important factors to consider. [0003] In the encoding of existing high-speed serial transmission systems, 64B / 67B is a high-speed serial encoding method with high encoding efficiency. The encoded data of this encoding method includes 64 bits (bit) of effective data, 2 bits sync header and 1-bit toggle bit. In this encoding method, setting a 1-bit inversion bit enables the decoding device at the receiving end to determine whether to invert the received valid data according to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
CPCH04L1/0075
Inventor 张帅黄春行董晓青
Owner HUAWEI TECH CO LTD
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