Results 31 to 40 of about 25,641 (336)
Exit chart analysis of parallel data convolutional codes [PDF]
, 2005 We recently proposed a new class of turbo-like codes called parallel data convolutional codes (PDCCs). The distinct characteristics of PDCCs include parallel data input bits and a self-iterative soft-in/soft-out a posteriori probability(APP) decoder. In
Leis, John +2 more
core +1 more source
Alternative interleaving schemes for interleaved orthogonal frequency division multiplexing [PDF]
TENCON 2003. Conference on Convergent Technologies for Asia-Pacific Region, 2004 We propose a matrix model for the interleaved orthogonal frequency division multiplexing system (IOFDM). Using this model, we show that the interleaving scheme originally proposed for IOFDM is not unique in terms of preserving system complexity. We further show that a class of interleaving matrices yields IOFDM systems with the same complexity as the ...
Subramanian, K., Karthik, Hari, KVS
openaire +2 more sources
IEEE Access, 2021 Estimation of interleaver parameter from scant received data has recently been researched. In this paper, we propose an improved algorithm for blind estimation of interleaver parameter using matrix multiplication under the condition of scant received ...
Yongseok Jung +2 more
doaj +1 more source
Parameter Estimation of Convolutional and Helical Interleavers in a Noisy Environment
IEEE Access, 2017 Forward error correction (FEC) codes followed by an interleaver play a significant role in improving the error performance of the digital systems by counteracting random and burst errors.
Swaminathan Ramabadran +3 more
doaj +1 more source
IEEE Access, 2020 As a class of convolutional error-correction codes (ECCs), spatially coupled protograph low-density parity-check (SC-PLDPC) codes with a sufficiently large coupling length can approach the channel capacity under belief propagation (BP) decoding. However,
Yunlong Zhao, Yi Fang, Zhaojie Yang
doaj +1 more source
Analysis of cubic permutation polynomials for turbo codes
, 2012 Quadratic permutation polynomials (QPPs) have been widely studied and used as interleavers in turbo codes. However, less attention has been given to cubic permutation polynomials (CPPs).
D. Tărniceriu +14 more
core +1 more source
Interleaved Prange: A New Generic Decoder for Interleaved Codes
, 2022 Due to the recent challenges in post-quantum cryptography, several new approaches for code-based cryptography have been proposed. For example, a variant of the McEliece cryptosystem based on interleaved codes was proposed. In order to deem such new settings secure, we first need to understand and analyze the complexity of the underlying problem, in ...
Porwal, Anmoal +5 more
openaire +2 more sources
Low Latency SC Decoder Architecture for Interleaved Polar Codes [PDF]
Radioengineering, 2022 Interleaved polar (I-Polar) codes, a new facet of polar codes to achieve better channel capacity, is designed by placing the interleaver and deinterleaver blocks midway between the stages of the polar codes.
N. Jali, P. Muralidhar, S. R. Patri
doaj
Space-time coding techniques with bit-interleaved coded modulations for MIMO block-fading channels
, 2007 The space-time bit-interleaved coded modulation (ST-BICM) is an efficient technique to obtain high diversity and coding gain on a block-fading MIMO channel.
Boutros, Joseph +2 more
core +1 more source
On the Spread of Random Interleaver
, 2005 For a given blocklength we determine the number of interleavers which have spread equal to two. Using this, we find out the probability that a randomly chosen interleaver has spread two.
Banerjee, Adrish +2 more
core +2 more sources