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TIT
1998
63views more  TIT 1998»
13 years 4 months ago
Operational Capacity and Pseudoclassicality of a Quantum Channel
We explore some basic properties of coding theory of a general quantum communication channel and its operational capacity, including (1) adaptive measurement with feedback code, (...
Akio Fujiwara, Hiroshi Nagaoka
TIT
2008
108views more  TIT 2008»
13 years 3 months ago
Capacity Achieving LDPC Codes Through Puncturing
The performance of punctured LDPC codes under maximum-likelihood (ML) decoding is studied in this paper via deriving and analyzing their average weight distributions (AWDs) and th...
Chun-Hao Hsu, Achilleas Anastasopoulos
TIT
2011
131views more  TIT 2011»
13 years 6 days ago
On the Hardness of Approximating the Network Coding Capacity
Abstract—This work addresses the computational complexity of achieving the capacity of a general network coding instance. We focus on the linear capacity, namely the capacity of ...
Michael Langberg, Alexander Sprintson
TCOM
2011
81views more  TCOM 2011»
13 years 6 days ago
Capacity Approaching Low-Rate LDGM Codes
Abstract——We study the ability of low-rate SeriallyConcatenated Low Density Generator Matrix (SCLDGM) codes to approach theoretical limits. Although two layer SCLDGM codes appro...
Francisco J. Vázquez-Araújo, Miguel ...
VTC
2010
IEEE
129views Communications» more  VTC 2010»
13 years 3 months ago
A Near-Capacity Differentially Encoded Non-Coherent Adaptive Multiple-Symbol-Detection Aided Three-Stage Coded Scheme
Abstract—This paper presents an Irregular Distributed Hybrid Concatenated Differential (Ir-DHCD) coding scheme contrived for the relayaided differential decode-and-forward (DDF) ...
Li Wang, Lingkun Kong, Soon Xin Ng, Lajos Hanzo