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TIT
1998
63views more  TIT 1998»
13 years 8 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
IPPS
1998
IEEE
14 years 28 days ago
High-Performance External Computations Using User-Controllable I/O
The UPIO (User-controllable Parallel I/O) we proposed xtends the abstraction of a linear file model into an n-dimensional file model, making it possible to control the layout of d...
Jang Sun Lee, Sung Hoon Ko, Sanjay Ranka, Byung Eu...
TIT
1998
55views more  TIT 1998»
13 years 8 months ago
On the Trellis Representation of the Delsarte-Goethals Codes
— In this correspondence, the trellis representation of the Kerdock and Delsarte–Goethals codes is addressed. It is shown that the states of a trellis representation of DG(m; ...
Yaron Shany, Ilan Reuven, Yair Be'ery
JSAC
1998
126views more  JSAC 1998»
13 years 8 months ago
Iterative Decoding of Compound Codes by Probability Propagation in Graphical Models
Abstract—We present a unified graphical model framework for describing compound codes and deriving iterative decoding algorithms. After reviewing a variety of graphical models (...
Frank R. Kschischang, Brendan J. Frey
HPCN
1998
Springer
14 years 27 days ago
Integration of a Compilation System and a Performance Tool: The HPF+ Approach
Abstract. The performance of HPF codes is in uenced by the characteristics of the parallel system and by the e ciency of the compilation system. Performance analysis has to take in...
Maria Calzarossa, Luisa Massari, Alessandro P. Mer...