scholarly journals Information Rates Achievable With Algebraic Codes on Quantum Discrete Memoryless Channels

2005 ◽  
Vol 51 (12) ◽  
pp. 4263-4277 ◽  
Author(s):  
M. Hamada
Keyword(s):  
Information Rates ◽  
Memoryless Channels ◽  
Algebraic Codes

scholarly journals CALCULATING A MAXIMIZER FOR QUANTUM MUTUAL INFORMATION

2008 ◽  
Vol 06 (supp01) ◽  
pp. 745-750 ◽  
Author(s):  
T. C. DORLAS ◽  
C. MORGAN
Keyword(s):  
Mutual Information ◽  
State Capacity ◽  
Convex Combination ◽  
Product State ◽  
Not Given ◽  
Classical Information ◽  
Amplitude Damping Channel ◽  
Quantum Amplitude ◽  
Memoryless Channels ◽  
Quantum Mutual Information

We obtain a maximizer for the quantum mutual information for classical information sent over the quantum amplitude damping channel. This is achieved by limiting the ensemble of input states to antipodal states, in the calculation of the product state capacity for the channel. We also consider the product state capacity of a convex combination of two memoryless channels and demonstrate in particular that it is in general not given by the minimum of the capacities of the respective memoryless channels.

Estimate of Information Rates of Discrete-Time First-Order Markov Phase Noise Channels

2011 ◽  
Vol 23 (21) ◽  
pp. 1582-1584 ◽  
Author(s):  
Luca Barletta ◽  
Maurizio Magarini ◽  
Arnaldo Spalvieri
Keyword(s):  
Phase Noise ◽  
Discrete Time ◽  
Information Rates ◽  
First Order

Multilevel code for high information rates

1979 ◽  
Vol 15 (10) ◽  
pp. 272
Author(s):  
D. Munoz-Rodriguez
Keyword(s):  
Information Rates ◽  
High Information
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