THE 
        ERROR-PERFORMANCES OF SYMBOL-BY-SYMBOL ITERATIVE DECODING ALGORITHMS FOR 
        SIGNALS BASED ON LOW-DENSITY PARITY-CHECK CODES
         
        L. 
        E. Nazarov, M. A. Sheglov
        
        Kotel’nikov Institute of Radio-engineering and Electronics, Fryazino 
        branch
        
         
The paper is 
received on April 6, 2015
 
Abstract. 
This paper presents the
symbol-by-symbol decoding algorithms for signal based on low-density
parity-check codes and their error performances.
        
        
        
Key words:  
block product codes, low-density parity-check
codes,
iterative decoding.