Results 141 to 150 of about 2,457,220 (279)

Optimizing Polar Codes Compatible with Off-the-Shelf LDPC Decoders [PDF]

open access: yesarXiv, 2019
Previous work showed that polar codes can be decoded using off-the-shelf LDPC decoders by imposing special constraints on the LDPC code structure, which, however, resulted in some performance degradation. In this paper we show that this loss can be mitigated; in particular, we demonstrate how the gap between LDPC-style decoding and Arikan's Belief ...
arxiv  

LDPC and turbo coding assisted space-time block coded ofdm [PDF]

open access: green, 2004
Mohamad Yusoff Alias   +4 more
openalex   +1 more source

LDPC Lattice Codes for Full-Duplex Relay Channels [PDF]

open access: yesarXiv, 2016
Low density parity check (LDPC) lattices are obtained from Construction D' and a family of nested binary LDPC codes. We consider an special case of these lattices with one binary LDPC code as underlying code. This special case of LDPC lattices can be obtained by lifting binary LDPC codes using Construction A lattices.
arxiv  

Partition-and-shift LDPC codes [PDF]

open access: green, 2005
Jin Lu, José M. F. Moura
openalex   +1 more source

Analysis of Non-binary Hybrid LDPC Codes [PDF]

open access: yesarXiv, 2008
In this paper, we analyse asymptotically a new class of LDPC codes called Non-binary Hybrid LDPC codes, which has been recently introduced. We use density evolution techniques to derive a stability condition for hybrid LDPC codes, and prove their threshold behavior.
arxiv  

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