A PN sequence estimation algorithm for DS signal based on average cross-correlation and eigenanalysis in lower SNR conditions.
Liping WuZan LiJiandong LiChen ChenPublished in: Sci. China Inf. Sci. (2010)
Keyphrases
- estimation algorithm
- cross correlation
- frequency domain
- ofdm system
- signal to noise ratio
- template matching
- spatial domain
- maximum likelihood
- received signal
- computationally efficient
- mutual information
- feature extraction
- high frequency
- fusion model
- image matching
- hadamard transform
- machine learning
- image analysis
- computer vision