微处理机
微處理機
미처리궤
MICROPROCESSORS
2001年
1期
50-52
,共3页
VerilogHDL缩短RS码有限域乘法器编码器
VerilogHDL縮短RS碼有限域乘法器編碼器
VerilogHDL축단RS마유한역승법기편마기
给出了一种GF(256)域上的RS(204,188)码编码器的实现算法,建立了C语言行为级模型和RTL级硬件模型。采用了具有对称系数的生成多项式,减少了有限域乘法器的个数。通过逻辑综合、优化得到了电路网表与FPGA网表,并进行了二者的仿真验证。该电路的规模约为4100门左右,约为一般的该编码器70%。
給齣瞭一種GF(256)域上的RS(204,188)碼編碼器的實現算法,建立瞭C語言行為級模型和RTL級硬件模型。採用瞭具有對稱繫數的生成多項式,減少瞭有限域乘法器的箇數。通過邏輯綜閤、優化得到瞭電路網錶與FPGA網錶,併進行瞭二者的倣真驗證。該電路的規模約為4100門左右,約為一般的該編碼器70%。
급출료일충GF(256)역상적RS(204,188)마편마기적실현산법,건립료C어언행위급모형화RTL급경건모형。채용료구유대칭계수적생성다항식,감소료유한역승법기적개수。통과라집종합、우화득도료전로망표여FPGA망표,병진행료이자적방진험증。해전로적규모약위4100문좌우,약위일반적해편마기70%。
This paper describes the arithmetic to implement RS (204,188) encoder on GF (256). A behavior model described by C language and a RTL hardware model has been
established. This encoder has adopted symmetrical coefficients in order to reduce the multipliers of finite field. The circuit net and FPGA net have been achieved by logic synthesis and optimize technology. These nets are simulated and validated,furthermore. The circuit scale of encoder that has been synthesized is about 4100 gates. Its frequency is up to 35MHz,and its scale is about 70% of the ordinary encoder.