Polarization code performance analysis and construction method and device based on expansion density evolution
By analyzing and constructing polarized codes based on extended density evolution, the problem that the prior art cannot construct the optimal polarized code under the SCL decoder is solved, and better error performance and bit error rate are achieved, meeting the communication needs of high reliability and high spectral efficiency.
CN119696596APending Publication Date: 2025-03-25SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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Patent Information
- Application Number
- CN202311236261.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-22
- Publication Date
- 2025-03-25
AI Technical Summary
Technical Problem
The prior art cannot construct the optimal polarization code under the serial cancellation list (SCL) decoder, and cannot meet the communication needs of high reliability and high spectrum efficiency.
Method used
The polarization code performance analysis and construction method based on Extended Density Evolution (EDE) is used to calculate the lower bound of the bit error rate of the polarization code under the SCL decoding algorithm to determine the set of polarization code information bits.
Benefits of technology
It improves the error performance of polarized code, reduces the bit error rate, and meets the communication needs of high reliability and high spectrum efficiency.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention discloses a polarization code performance analysis and construction method and device based on extended density evolution. The method comprises the following steps: calculating an error rate lower bound of a polarization code under a serial offset list decoding algorithm according to an extended density evolution algorithm; and determining a polarization code information bit set according to the lower bound of the bit error rate of the serial offset list decoding algorithm. According to the polarization code performance analysis and construction method and device based on extended density evolution disclosed by the invention, the error performance lower bound of each bit can be determined by using the extended density evolution method, and the bit error rate lower bound of the polarization code under a serial offset list decoding algorithm is calculated by using the bit error performance lower bound; and the polarization code information bit set is determined according to the bit error rate lower bound, so that the polarization code error performance is improved, the bit error rate is reduced, and the high-reliability and high-spectrum-efficiency communication requirements are met.
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