Distribution of L-values in gray-mapped M2-QAM: closed-form approximations and applications

A Alvarado, L Szczecinski, R Feick… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
In this paper we develop closed form approximations for the probability density function
(PDF) of the reliability metrics (L-values) in bit-interleaved coded modulation (BICM). The …

Optimal alphabets and binary labelings for BICM at low SNR

E Agrell, A Alvarado - IEEE Transactions on Information Theory, 2011 - ieeexplore.ieee.org
Optimal binary labelings, input distributions, and input alphabets are analyzed for the so-
called bit-interleaved coded modulation (BICM) capacity, paying special attention to the low …

Generalized simplified variable-scaled min sum LDPC decoder for irregular LDPC codes

AA Emran, M Elsabrouty - 2014 IEEE 25th Annual International …, 2014 - ieeexplore.ieee.org
In this paper, we propose a novel low complexity scaling strategy of min-sum decoding
algorithm for irregular LDPC codes. In the proposed method, we generalize our previously …

Cooperative coding schemes: Design and performance evaluation

F Babich, A Crismani - IEEE Transactions on Wireless …, 2011 - ieeexplore.ieee.org
Cooperation has been recently introduced to mitigate the impairments imposed by fading on
a communication channel. A cooperative transmission, in which the destination may …

Probability density function of reliability metrics in BICM with arbitrary modulation: Closed-form through algorithmic approach

L Szczecinski, R Bettancourt… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
In the popular bit-interleaved coded modulation (BICM) the output of the channel encoder
and the input of the modulator are separated by a bit-level interleaver. From the decoder's …

Evaluation of bit error rate for packet combining with constellation rearrangement

M Benjillali, L Szczecinski, S Aïssa… - … and Mobile Computing, 2008 - Wiley Online Library
In this paper, we propose a method for evaluation of the bit error rate (BER) for packet
combining based on constellation rearrangement (CoRe). Such map** diversity scheme …

Distribution of max-log metrics for QAM-based BICM in fading channels

L Szczecinski, A Alvarado… - IEEE transactions on …, 2009 - ieeexplore.ieee.org
In this letter we derive closed-form expressions for the probability density functions (PDFs) of
the bits' reliability metrics (L-values) in bit-interleaved coded modulation (BICM) …

[หนังสือ][B] On bit-interleaved coded modulation with QAM constellations

A Alvarado - 2008 - search.proquest.com
Bit-interleaved coded modulation (BICM) is a flexible modulation/coding scheme which
allows the designer to choose a modulation constellation independently of the coding rate …

Towards fully optimized BICM transceivers

MJ Hossain, A Alvarado… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
Bit-interleaved coded modulation (BICM) transceivers often use equally spaced
constellations and a random interleaver. In this paper, we propose a new BICM design …

Link performance prediction methods for cooperative relaying in wireless networks

MA Badiu, M Varga, V Bota - 2010 7th International …, 2010 - ieeexplore.ieee.org
Next generation wireless networks are likely to include cooperative relaying in their design.
The performance of certain cooperation schemes in realistic scenarios should be evaluated …