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TCOM
2010
69views more  TCOM 2010»
13 years 2 months ago
Per-antenna rate and power control for MIMO layered architectures in the low- and high-power regimes
—In a MIMO layered architecture, several codewords are transmitted from a multiplicity of antennas. Although the spectral efficiency is maximized if the rates of these codewords...
Angel Lozano
TIT
2008
122views more  TIT 2008»
13 years 4 months ago
An Efficient Pseudocodeword Search Algorithm for Linear Programming Decoding of LDPC Codes
Abstract--In linear programming (LP) decoding of a low-density parity-check (LDPC) code one minimizes a linear functional, with coefficients related to log-likelihood ratios, over ...
Michael Chertkov, Mikhail G. Stepanov
CORR
2007
Springer
113views Education» more  CORR 2007»
13 years 4 months ago
Communication under Strong Asynchronism
We consider asynchronous communication over point-to-point discrete memoryless channels without feedback. The transmitter starts sending one block codeword at an instant that is u...
Aslan Tchamkerten, Venkat Chandar, Gregory W. Worn...
FTTCS
2006
106views more  FTTCS 2006»
13 years 4 months ago
Algorithmic Results in List Decoding
Error-correcting codes are used to cope with the corruption of data by noise during communication or storage. A code uses an encoding procedure that judiciously introduces redunda...
Venkatesan Guruswami