Title :
CORDIC based algorithm for frequency offset estimation
Author :
Li, Xu ; Qin, Wang
Author_Institution :
Sch. of Inf. Eng., Univ. of Sci. & Technol. Beijing, Beijing, China
Abstract :
This paper proposed a new Modified algorithm under the Vectoring Mode CORDIC algorithm called MVM-CORDIC algorithm, which is used to calculate the angle of frequency offset estimation in the communications system. From the simulation result, we can see that under the certain accuracy the MVM-CORDIC algorithm can reduce the iteration number by contrasting to the conventional CORDIC algorithm, meanwhile the total execution time of hardware implement of MVM-CORDIC is less than conventional CORDIC algorithm. Finally, MVM-CORDIC algorithm is implemented on Xilinx Virtex4 FPGA.
Keywords :
OFDM modulation; digital arithmetic; field programmable gate arrays; frequency estimation; iterative methods; vectors; OFDM; Xilinx Virtex4 FPGA; communications system; frequency offset estimation; iteration number reduction; vectoring mode CORDIC algorithm; Accuracy; Estimation; Field programmable gate arrays; Frequency estimation; Table lookup; CORDIC algorithm; FPGA; Frequency offset estimation; MVM-CORDIC;
Conference_Titel :
Communication Technology (ICCT), 2010 12th IEEE International Conference on
Conference_Location :
Nanjing
Print_ISBN :
978-1-4244-6868-3
DOI :
10.1109/ICCT.2010.5688688
