Title : 
Asymptotics of entropy rate of hidden Markov chains at weak Black Holes
         
        
            Author : 
Han, Guangyue ; Marcus, Brian
         
        
            Author_Institution : 
Univ. of Hong Kong, Hong Kong
         
        
        
        
        
        
            Abstract : 
We generalize a result in [8] and derive an asymptotic formula for entropy rate of a hidden Markov chain around a "weak Black Hole". We also discuss applications of the asymptotic formula to certain channels.
         
        
            Keywords : 
entropy; hidden Markov models; entropy rate asymptotics; hidden Markov chain; weak Black Hole; Entropy; Hidden Markov models; Integral equations; Stochastic processes; Taylor series;
         
        
        
        
            Conference_Titel : 
Information Theory, 2008. ISIT 2008. IEEE International Symposium on
         
        
            Conference_Location : 
Toronto, ON
         
        
            Print_ISBN : 
978-1-4244-2256-2
         
        
            Electronic_ISBN : 
978-1-4244-2257-9
         
        
        
            DOI : 
10.1109/ISIT.2008.4595468