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One of the primary areas of interest in High Performance Computing is the improvement of performance of parallel workloads. Nowadays, compilable source code-based optimization tasks that employ deep learning often exploit LLVM Intermediate…

分布式、并行与集群计算 · 计算机科学 2024-07-03 Akash Dutta , Ali Jannesari

Coupled tensor decomposition reveals the joint data structure by incorporating priori knowledge that come from the latent coupled factors. The tensor ring (TR) decomposition is invariant under the permutation of tensors with different mode…

机器学习 · 计算机科学 2020-11-10 Huyan Huang , Yipeng Liu , Ce Zhu

A telecommunication system uses carriers in order to transmit information through a cable or wirelessly. If each time only one carrier is transmitted, then the system s signal will not be immune to frequency selective fading. If frequency…

信号处理 · 电气工程与系统科学 2018-07-10 Spyridon K. Chronopoulos , Vasilis Christofilakis , Giorgos Tatsis , Panos Kostarakis

Error correction codes are an integral part of communication applications, boosting the reliability of transmission. The optimal decoding of transmitted codewords is the maximum likelihood rule, which is NP-hard due to the curse of…

信息论 · 计算机科学 2021-02-22 Nir Raviv , Avi Caciularu , Tomer Raviv , Jacob Goldberger , Yair Be'ery

Optimal transport has numerous applications, particularly in machine learning tasks involving generative models. In practice, the transportation process often encounters an information bottleneck, typically arising from the conversion of a…

信息论 · 计算机科学 2024-12-30 Xiqiang Qu , Ruibin Li , Jun Chen , Lei Yu , Xinbing Wang

The most common cause of transmission failure in Wireless High Performance (WirelessHP) target industry environments is impulse interference. As interleavers are commonly used to improve the reliability on the Orthogonal Frequency Division…

信息论 · 计算机科学 2022-03-03 Ming Zhan , Zhibo Pang , Dacfey Dzung , Kan Yu , Ming Xiao

This paper is devoted to the finite-length analysis of turbo decoding over the binary erasure channel (BEC). The performance of iterative belief-propagation (BP) decoding of low-density parity-check (LDPC) codes over the BEC can be…

信息论 · 计算机科学 2011-05-31 Eirik Rosnes , Øyvind Ytrehus

Consider a MIMO interference channel whereby each transmitter and receiver are equipped with multiple antennas. The basic problem is to design optimal linear transceivers (or beamformers) that can maximize system throughput. The recent work…

信息论 · 计算机科学 2010-09-20 Meisam Razaviyayn , Maziar Sanjabi , Zhi-Quan Luo

We re-evaluate the standard practice of sharing weights between input and output embeddings in state-of-the-art pre-trained language models. We show that decoupled embeddings provide increased modeling flexibility, allowing us to…

计算与语言 · 计算机科学 2020-10-27 Hyung Won Chung , Thibault Févry , Henry Tsai , Melvin Johnson , Sebastian Ruder

In this paper, the design of irregular turbo codes for the binary erasure channel is investigated. An analytic expression of the erasure probability of punctured recursive systematic convolutional codes is derived. This exact expression…

信息论 · 计算机科学 2008-04-04 Ghassan M. Kraidy , Valentin Savin

Robust transceiver design against unresolvable system uncertainties is of crucial importance for reliable communication. For instance, full-duplex communication suffers from such uncertainties when canceling the self-interference, since…

信息论 · 计算机科学 2020-01-01 Hossein Esmaeili , Ali Kariminezhad , Aydin Sezgin

This paper proposes a turbo equalizer for intersymbol interference channels (ISI) that uses coarsely quantized messages across all receiver components. Lookup tables (LUTs) carry out compression operations designed with the information…

信息论 · 计算机科学 2024-09-16 Philipp Mohr , Jasper Brüggmann , Gerhard Bauch

This paper describes a parallel implementation of Viterbi decoding algorithm. Viterbi decoder is widely used in many state-of-the-art wireless systems. The proposed solution optimizes both throughput and memory usage by applying…

分布式、并行与集群计算 · 计算机科学 2020-11-19 Alireza Mohammadidoost , Matin Hashemi

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. Its maximum-likelihood (ML) performance is computed under ideal interleaving…

信息论 · 计算机科学 2016-11-15 Nicolas Gresset , Loic Brunel , Joseph Boutros

Iterative decoding techniques have gain popularity due to their performance and their application in most communications systems. In this paper, we present a new application of our iterative decoder on the GPCB (Generalized Parallel…

信息论 · 计算机科学 2012-11-14 Hamid Allouch , Idriss Chana , Mostafa Belkasmi

Transformers, especially the decoder-only variants, are the backbone of most modern large language models; yet we do not have much understanding of their expressive power except for the simple $1$-layer case. Due to the difficulty of…

机器学习 · 计算机科学 2024-12-05 Lijie Chen , Binghui Peng , Hongxun Wu

A framework for linear-programming (LP) decoding of nonbinary linear codes over rings is developed. This framework facilitates linear-programming based reception for coded modulation systems which use direct modulation mapping of coded…

信息论 · 计算机科学 2016-11-15 Mark F. Flanagan , Vitaly Skachek , Eimear Byrne , Marcus Greferath

We demonstrate that transformers obtain impressive performance even when some of the layers are randomly initialized and never updated. Inspired by old and well-established ideas in machine learning, we explore a variety of non-linear…

计算与语言 · 计算机科学 2021-06-03 Sheng Shen , Alexei Baevski , Ari S. Morcos , Kurt Keutzer , Michael Auli , Douwe Kiela

This paper provides simple lower bounds on the number of iterations which is required for successful message-passing decoding of some important families of graph-based code ensembles (including low-density parity-check codes and variations…

信息论 · 计算机科学 2007-11-08 Igal Sason , Gil Wiechman

Deep learning is playing an instrumental role in the design of the next generation of communication systems. In this letter, we address the massive MIMO interconnect's bandwidth constraint relaxation using autoencoders. The autoencoder is…

信号处理 · 电气工程与系统科学 2019-09-20 Messaoud Ahmed Ouameur , Daniel Massicotte