摘要
为降低双带光正交频分复用(OOFDM)系统中最核心的算法模块-快速傅里叶逆变换/快速傅里叶变换(IFFT/FFT)的复杂度,提出在基于现场可编程门阵列(FPGA)的双带OOFDM系统中,在发射端2路数据进入IFFT前进行共轭变换的算法。仿真结果表明:在不影响OOFDM收发机性能的情况下,该算法能大幅降低FPGA的逻辑资源利用率和IFFT/FFT的复杂度。
To reduce the complexity of fast Fourier inverse transform/fast Fourier transform(IFFT/FFT),which is the core algorithm module in the dual-band optical orthogonal frequency division multiplexing(OOFDM)system,a conjugate transform algorithm based on field programmable gate array(FPGA)is proposed for the dual-band OOFDM system before two data at the transmitter enter IFFT.The simulation results show that,without affecting the performance of OOFDM transceiver,the algorithm can greatly reduce the logic resource utilization of the FPGA and the complexity of IFFT/FFT.
作者
殷越
郑兴
苏江涛
孙玲玲
唐建明
YIN Yue;ZHENG Xing;SU Jiangtao;SUN Lingling;TANG Jianming(Key Laboratory of RF Circuits and Systems, Ministry of Education,Hangzhou Dianzi University,Hangzhou,310018,China;School of Electronic Engineering,Bangor University,Bangor LL57 1UT,UK)
出处
《光通信技术》
北大核心
2019年第6期38-43,共6页
Optical Communication Technology
基金
浙江省自然科学基金(LY17F010017,LY17F010016)资助
浙江省钱江人才计划(QJD1402001)资助
国家自然科学基金(61331006,61827806)资助
武器装备预研基金重点实验室项目(61420010101)资助
