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High-throughput parallel cyclic redundancy check method based on CRC-16

A cyclic redundancy check and CRC-16 technology, which is applied in the field of terahertz communication, can solve the problems of unsatisfactory channel transmission characteristics, Gaussian white noise, reduced anti-interference ability, and smaller distance, so as to improve anti-interference ability and improve throughput, achieve simple effects

Pending Publication Date: 2022-07-08
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

[0004] On the other hand, in the terahertz communication system, due to the unsatisfactory channel transmission characteristics and the influence of Gaussian white noise, anti-interference has become one of the difficulties in system data transmission.
The use of high-order modulation technology also exacerbates this problem, because the distance between each constellation point becomes smaller due to the increase in the number of constellation points, and the anti-interference ability is greatly reduced

Method used

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  • High-throughput parallel cyclic redundancy check method based on CRC-16
  • High-throughput parallel cyclic redundancy check method based on CRC-16
  • High-throughput parallel cyclic redundancy check method based on CRC-16

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Embodiment 1

[0050] like figure 1 As shown, the present embodiment discloses a high-throughput parallel cyclic redundancy check method based on CRC-16, and the specific implementation steps are as follows:

[0051] Step 1. According to the channel conditions applicable to the terahertz communication system, determine the use of the CRC-CCITT check code, and determine the polynomial for generating the CRC-CCITT check code.

[0052] According to the channel conditions applicable to the terahertz communication system, it is determined to use the CRC-CCITT check code, and the generator polynomial is G(x):

[0053] G(x)=x 16 +x 12 +x 5 +1

[0054] Among them: x is only used for polynomial expression and has no actual meaning here.

[0055] Step 2: According to the transmission requirements of the terahertz communication system, the data is transmitted in parallel with par=16 channels, and the information code to be checked has n=16 bits, and the polynomial expression of the data transmitte...

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Abstract

The invention discloses a high-throughput parallel cyclic redundancy check method based on CRC-16, and belongs to the technical field of terahertz communication. The implementation method comprises the following steps of: calculating a relationship between a high-throughput parallel CRC (Cyclic Redundancy Check) code and an input information code sequence by adopting a polynomial division method, and calculating a relationship between a multi-byte high-throughput parallel CRC code and a single-byte high-throughput parallel CRC code by utilizing a generator polynomial of the CRC code to obtain a multi-path parallel high-throughput cyclic redundancy check code; that is, the throughput of the cyclic redundancy check code is improved through a parallel architecture so as to adapt to high-speed data transmission of the terahertz frequency band. And by adding the cyclic redundancy check code, the anti-interference capability of the terahertz communication system is improved. According to the method, the influence caused by unsatisfactory channel transmission characteristics and Gaussian white noise of a system can be effectively solved, a 16-path parallel calculation high-throughput CRC check code relation can be obtained, the throughput of CRC codes is effectively improved, and therefore the transmission requirement of tens of Gbps in the terahertz frequency band is met.

Description

technical field [0001] The invention relates to a high-throughput parallel cyclic redundancy check method based on CRC-16, and belongs to the technical field of terahertz communication. [0002] technical background [0003] With the development of communication technology, terahertz communication has attracted much attention due to its advantages of high transmission rate and large capacity, and has become a research hotspot in recent years. However, while the large bandwidth transmission brings advantages, it also brings many technical challenges. The transmission rate of the terahertz communication system is extremely high, and the traditional serial architecture has been unable to meet the increasing rate requirements, so a parallel architecture needs to be adopted in the terahertz communication system. In practical applications, terahertz communication systems usually need to reach a throughput of tens of gigabits (Gbps), and it is very necessary to increase the number ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03M13/09H04L1/00
CPCH03M13/09H04L1/0061
Inventor 赵良斌王菲菲代贤乐李建国卜祥元安建平
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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