计算机工程与设计
計算機工程與設計
계산궤공정여설계
COMPUTER ENGINEERING AND DESIGN
2014年
7期
2371-2374,2457
,共5页
邱陈辉%李锋%徐祖强
邱陳輝%李鋒%徐祖彊
구진휘%리봉%서조강
自适应均衡器%最小均方%符号最小均方%现场可编程门阵列%乘法器
自適應均衡器%最小均方%符號最小均方%現場可編程門陣列%乘法器
자괄응균형기%최소균방%부호최소균방%현장가편정문진렬%승법기
adaptive equalizer%least mean square (LMS)%signum-least mean square (SLMS)%field programmable gate array (FPGA)%multiplier
为了对通信系统的传输信道进行自适应均衡处理,在通信系统中加入了基于现场可编程门阵列(FPGA)的自适应均衡器。在标准最小均方(LMS)算法的基础上,提出了符号LMS算法。该算法通过降低自适应均衡过程中的乘法运算次数来减少该自适应均衡器所消耗的FPGA硬件资源。MATLAB软件仿真验证了该方案的可行性和有效性;Quartus II和ModelSim硬件仿真证实了采用符号LMS算法的自适应均衡器在FPGA资源消耗方面确实具有优势。
為瞭對通信繫統的傳輸信道進行自適應均衡處理,在通信繫統中加入瞭基于現場可編程門陣列(FPGA)的自適應均衡器。在標準最小均方(LMS)算法的基礎上,提齣瞭符號LMS算法。該算法通過降低自適應均衡過程中的乘法運算次數來減少該自適應均衡器所消耗的FPGA硬件資源。MATLAB軟件倣真驗證瞭該方案的可行性和有效性;Quartus II和ModelSim硬件倣真證實瞭採用符號LMS算法的自適應均衡器在FPGA資源消耗方麵確實具有優勢。
위료대통신계통적전수신도진행자괄응균형처리,재통신계통중가입료기우현장가편정문진렬(FPGA)적자괄응균형기。재표준최소균방(LMS)산법적기출상,제출료부호LMS산법。해산법통과강저자괄응균형과정중적승법운산차수래감소해자괄응균형기소소모적FPGA경건자원。MATLAB연건방진험증료해방안적가행성화유효성;Quartus II화ModelSim경건방진증실료채용부호LMS산법적자괄응균형기재FPGA자원소모방면학실구유우세。
To adaptively equalize the transmission channel of communication system,the adaptive equalizer based on field pro-grammable gate array (FPGA)was used in this system.Signum-LMS algorithm was proposed on the basis of standard least mean square (LMS)algorithm.It decreased the consumption of FPGA hardware resource by reducing the number of multiplica-tions in the adaptive equalization.MATLAB software simulation proved the feasibility and effectiveness of this scheme.Quartus II and ModelSim hardware simulations verified that the adaptive equalizer utilizing the signum-LMS algorithm had superiority in the consumption of FPGA hardware resource.