BCH(15,11,1) Parallel Decoding Algorithm in Multi-mode Satellite Navigation Receiver

LIN Xiao-long; HE Wen-tao; XU Jian-hua; YE Tian-chun

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BCH(15,11,1) Parallel Decoding Algorithm in Multi-mode Satellite Navigation Receiver

更新时间：2026-09-04

- BCH(15,11,1) Parallel Decoding Algorithm in Multi-mode Satellite Navigation Receiver
- Vol. 31, Issue 2, Pages: 50-53(2014)
- 作者机构：
  
  中国科学院机构微电子研究所,北京,100029
- 作者简介：
- 基金信息：
- DOI：
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- Published：2014
- 稿件说明：
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蔺晓龙, 何文涛, 徐建华, 叶甜春. 多模GNSS接收机中BCH（15，11，1）并行解码算法[J]. 微电子学与计算机, 2014, 31(2): 50-53.

LIN Xiao-long, HE Wen-tao, XU Jian-hua, et al. BCH(15,11,1) Parallel Decoding Algorithm in Multi-mode Satellite Navigation Receiver[J]. 2014, 31(2): 50-53.
蔺晓龙, 何文涛, 徐建华, 叶甜春. 多模GNSS接收机中BCH（15，11，1）并行解码算法[J]. 微电子学与计算机, 2014, 31(2): 50-53. DOI：

LIN Xiao-long, HE Wen-tao, XU Jian-hua, et al. BCH(15,11,1) Parallel Decoding Algorithm in Multi-mode Satellite Navigation Receiver[J]. 2014, 31(2): 50-53. DOI：

摘要

北斗卫星导航系统B1信号使用BCH（15，11，1）编码，其空间信号接口控制文件提供的解码器由反馈移位寄存器组成，需要多个时钟周期解码，且与其他卫星导航系统解码结构不兼容.为此推导了BCH（15，11，1）的监督矩阵和校正子，设计了仅使用组合逻辑构成的解码器.仿真结果表明该解码器能够在一个时钟周期内完成解码，实现和操作都更简单，且与GPS、GLONASS卫星导航系统的解码器结构一致，简化了多模卫星导航接收机的解码设计.

Abstract

The B1 signal of BeiDou navigation satellite system is coded by BCH (15

and the decoder provided by the BeiDous ICD is based on the feedback shift register.The decoder requires multiple clock cycles

and is not compatible with other satellite navigation system.Therefore

based on the derivation of check matrix and syndrome of BCH (15

a decoder based on combinational logic is proposed by this paper.The simulation results show that this decoder can work in one clock cycle

and is easily implemented.The structure of this decoder is same as the GPS and GLONASSs

and simplify the design process of multi-mode GNSS receiver.

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