Title :
A reduced-complexity implementation of differential detection for continuous phase modulation in FPGAs
Author :
Li, Xiaodong ; He, Songbai ; Li, Mingyu
Author_Institution :
Univ. of Electron. Sci. & Technol., Chengdu
Abstract :
An implement of demodulation for continuous phase modulation is proposed using reduced-complexity method in FPGAs. Viterbi algorithm is implemented to perform sequence correlation and maximum likelihood sequence estimate without reducing states, at the same time a parallel and serial matched filter structure to perform 4096-state correlation. Simulation of the received performance show that the proposed method has reduced complexity without deterioration of the performance.
Keywords :
continuous phase modulation; differential detection; field programmable gate arrays; maximum likelihood sequence estimation; FPGA; Viterbi algorithm; continuous phase modulation; differential detection; matched filter structure; maximum likelihood sequence estimation; reduced-complexity implementation; sequence correlation; Bandwidth; Continuous phase modulation; Correlators; Field programmable gate arrays; Matched filters; Maximum likelihood detection; Maximum likelihood estimation; Phase detection; State estimation; Viterbi algorithm;
Conference_Titel :
Communications, Circuits and Systems, 2008. ICCCAS 2008. International Conference on
Conference_Location :
Fujian
Print_ISBN :
978-1-4244-2063-6
Electronic_ISBN :
978-1-4244-2064-3
DOI :
10.1109/ICCCAS.2008.4657926
