Title :
The NDA SNR estimation for QAM signals
Author :
Xu, Hua ; Huang, Qishan ; Zheng, Hui
Author_Institution :
IETTC, Nat. Key Lab. of Signal Process., Sichuan, China
Abstract :
This paper proposes a non-data-aided (NDA) SNR estimation algorithm for QAM signals in additive Gauss white noise channel and on the condition of the equivalent priori probabilities of every constellation signals by using second statistics. The detail analysis and computer simulation for 128QAM signals have been done. It has been proved that the SNR range interested in practice can be estimated In this algorithm.
Keywords :
AWGN channels; quadrature amplitude modulation; signal processing; statistics; 128QAM signals; additive Gauss white noise channel; constellation signals; nondata-aided SNR estimation; second statistics; Additive white noise; Constellation diagram; Gaussian channels; Gaussian noise; Probability; Quadrature amplitude modulation; Signal analysis; Signal to noise ratio; Statistics; White noise;
Conference_Titel :
Personal, Indoor and Mobile Radio Communications, 2003. PIMRC 2003. 14th IEEE Proceedings on
Print_ISBN :
0-7803-7822-9
DOI :
10.1109/PIMRC.2003.1260294
