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Heterogeneous hardware like Gaudi processor has been developed to enhance computations, especially matrix operations for Transformer-based large language models (LLMs) for generative AI tasks. However, our analysis indicates that…

Hardware Architecture · Computer Science 2024-12-31 Chengming Zhang , Xinheng Ding , Baixi Sun , Xiaodong Yu , Weijian Zheng , Zhen Xie , Dingwen Tao

Recent advancements in Large Multi-modal Models (LMMs) underscore the importance of scaling by increasing image-text paired data, achieving impressive performance on general tasks. Despite their effectiveness in broad applications,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Tianshuo Peng , Mingsheng Li , Jiakang Yuan , Hongbin Zhou , Renqiu Xia , Renrui Zhang , Lei Bai , Song Mao , Bin Wang , Aojun Zhou , Botian Shi , Tao Chen , Bo Zhang , Xiangyu Yue

Large language models (LLMs) with different architectures and sizes have been developed. Serving each LLM with dedicated GPUs leads to resource waste and service inefficiency due to the varying demand of LLM requests. A common practice is…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-23 Yihao Zhao , Jiadun Chen , Peng Sun , Lei Li , Xuanzhe Liu , Xin Jin

This paper focuses on robust transceiver design for throughput enhancement on the interference channel (IC), under imperfect channel state information (CSI). In this paper, two algorithms are proposed to improve the throughput of the…

Information Theory · Computer Science 2018-04-02 Ali Dalir , Hassan Aghaeinia , Mohammad Kazemi

In this paper, we propose a novel adaptive reduced-rank strategy for very large multiuser multi-input multi-output (MIMO) systems. The proposed reduced-rank scheme is based on the concept of joint iterative optimization (JIO) of filters…

Information Theory · Computer Science 2013-02-20 Yunlong Cai , Rodrigo C. de Lamare

This work proposes adaptive buffer-aided distributed space-time coding schemes and algorithms with feedback for wireless networks equipped with buffer-aided relays. The proposed schemes employ a maximum likelihood receiver at the…

Information Theory · Computer Science 2016-09-20 R. C. de Lamare , T. Peng

The generalized linear system (GLS) has been widely used in wireless communications to evaluate the effect of nonlinear preprocessing on receiver performance. Generalized approximation message passing (AMP) is a state-of-the-art algorithm…

Information Theory · Computer Science 2023-05-16 Lei Liu , Yuhao Chi , Ying Li , Zhaoyang Zhang

Matrix factorization is a very common machine learning technique in recommender systems. Bayesian Matrix Factorization (BMF) algorithms would be attractive because of their ability to quantify uncertainty in their predictions and avoid…

Machine Learning · Computer Science 2020-04-15 Tom Vander Aa , Xiangju Qin , Paul Blomstedt , Roel Wuyts , Wilfried Verachtert , Samuel Kaski

The escalating scale of Large Language Models (LLMs) necessitates efficient adaptation techniques. Model merging has gained prominence for its efficiency and controllability. However, existing merging techniques typically serve as post-hoc…

LLM-based optimization has shown remarkable potential in enhancing agentic systems. However, the conventional approach of prompting LLM optimizer with the whole training trajectories on training dataset in a single pass becomes untenable as…

Computation and Language · Computer Science 2025-05-08 Jiale Liu , Yifan Zeng , Shaokun Zhang , Chi Zhang , Malte Højmark-Bertelsen , Marie Normann Gadeberg , Huazheng Wang , Qingyun Wu

We provide a comprehensive performance comparison of soft-output and hard-output demodulators in the context of non-iterative multiple-input multiple-output bit-interleaved coded modulation (MIMO-BICM). Coded bit error rate (BER), widely…

Information Theory · Computer Science 2010-12-07 Peter Fertl , Joakim Jalden , Gerald Matz

In this paper, the uplink adaptation for massive multiple-input-multiple-output (MIMO) networks without the knowledge of user density is considered. Specifically, a novel cooperative uplink transmission and detection scheme is first…

Information Theory · Computer Science 2019-04-30 Yang Li , Zezhong Zhang , Rui Wang , Kaibin Huang , Yifan Chen

Multiple-input multiple-output (MIMO) systems play a key role in wireless communication technologies. A widely considered approach to realize scalable MIMO systems involves architectures comprised of multiple separate modules, each with its…

Signal Processing · Electrical Eng. & Systems 2024-12-30 Ohad Levy , Nir Shlezinger

We propose LGGPT, an LLM-based model tailored for unified layout generation. First, we propose Arbitrary Layout Instruction (ALI) and Universal Layout Response (ULR) as the uniform I/O template. ALI accommodates arbitrary layout generation…

Machine Learning · Computer Science 2025-02-21 Peirong Zhang , Jiaxin Zhang , Jiahuan Cao , Hongliang Li , Lianwen Jin

Recently, large language models (LLMs) have notably positioned them as capable tools for addressing complex optimization challenges. Despite this recognition, a predominant limitation of existing LLM-based optimization methods is their…

Artificial Intelligence · Computer Science 2024-03-05 Yuxiao Huang , Wenjie Zhang , Liang Feng , Xingyu Wu , Kay Chen Tan

An adaptive joint power allocation (JPA) and linear receiver design algorithm using the minimum bit error rate (MBER) criterion for a cooperative Multiple-Input Multiple-Output (MIMO) network is proposed. The system employs multiple relays…

Information Theory · Computer Science 2013-03-21 Tong Peng , Rodrigo C. de Lamare , Anke Schmeink

Bit-interleaved coded modulation (BICM) has attracted considerable attention from the research community in the past three decades, because it can achieve desirable error performance with relatively low implementation complexity for a large…

Information Theory · Computer Science 2022-10-28 Yi Fang , Pingping Chen , Yong Liang Guan , Francis C. M. Lau , Yonghui Li , Guanrong Chen

Machine learning (ML) can be used in various ways to improve multi-user multiple-input multiple-output (MU-MIMO) receive processing. Typical approaches either augment a single processing step, such as symbol detection, or replace multiple…

Information Theory · Computer Science 2021-07-01 Mathieu Goutay , Fayçal Ait Aoudia , Jakob Hoydis , Jean-Marie Gorce

For next-generation green communication systems, this article proposes an innovative communication system based on frequency-diverse array-multiple-input multiple-output (FDA-MIMO) technology, which aims to achieve high data rates while…

Signal Processing · Electrical Eng. & Systems 2024-08-19 Bang Huang , Jiajie Xu , Mohamed-Slim Alouini

The hybrid analog/digital architecture that connects a limited number of RF chains to multiple antennas through phase shifters could effectively address the energy consumption issues in massive multiple-input multiple-output (MIMO) systems.…

Information Theory · Computer Science 2025-01-07 Yifan Guo