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High-performance industrial automation systems rely on tens of simultaneously active sensors and actuators and have stringent communication latency and reliability requirements. Current wireless technologies like WiFi, Bluetooth, and LTE…

Information Theory · Computer Science 2017-01-25 Vasuki Narasimha Swamy , Sahaana Suri , Paul Rigge , Matthew Weiner , Gireeja Ranade , Anant Sahai , Borivoje Nikolic

Demands for data traffic in high-speed railway (HSR) has increased drastically. The increasing entertainment needs of passengers, safety control information exchanges of trains, etc., make train-to-train (T2T) communications face the…

Information Theory · Computer Science 2023-08-22 Yunhan Ma , Yong Niu , Shiwen Mao , Zhu Han , Ruisi He , Zhangdui Zhong , Ning Wang , Bo Ai

A fundamental challenge in wireless multicast has been how to simultaneously achieve high-throughput and low-delay for reliably serving a large number of users. In this paper, we show how to harness substantial throughput and delay gains by…

Information Theory · Computer Science 2018-01-08 Fei Wu , Yin Sun , Lu Chen , Jackie Xu , Kannan Srinivasan , Ness B. Shroff

To exploit richer spectrum resources for even better service quality, millimeter wave (mmWave) communication has been considered for high-speed railway (HSR) communication systems. In this paper, we focus on scheduling as many flows as…

Information Theory · Computer Science 2022-05-20 Yibing Wang , Yong Niu , Hao Wu , Shiwen Mao , Bo Ai , Zhangdui Zhong , Ning Wang

Hybrid precoding is a cost-effective approach to support directional transmissions for millimeter-wave (mm-wave) communications, but its precoder design is highly complicated. In this paper, we propose a new hybrid precoder implementation,…

Signal Processing · Electrical Eng. & Systems 2019-05-28 Xianghao Yu , Jun Zhang , Khaled B. Letaief

In multi-user millimeter wave (mmWave) multiple-input-multiple-output (MIMO) systems, hybrid precoding is a crucial task to lower the complexity and cost while achieving a sufficient sum-rate. Previous works on hybrid precoding were usually…

Signal Processing · Electrical Eng. & Systems 2020-04-28 Ahmet M. Elbir , Anastasios Papazafeiropoulos

Modern 5G communication systems employ multiple-input multiple-output (MIMO) in conjunction with orthogonal frequency division multiplexing (OFDM) to enhance data rates, particularly for wideband millimetre wave (mmW) applications. Since…

Signal Processing · Electrical Eng. & Systems 2023-03-21 Parth Mehta , Agulla Surya Bharath , Kumar Appaiah , Rajbabu Velmurugan , Debasattam Pal

Millimeter wave (mmWave) communications have been considered as a key technology for next generation cellular systems and Wi-Fi networks because of its advances in providing orders-of-magnitude wider bandwidth than current wireless…

Information Theory · Computer Science 2018-07-04 Zihuan Wang , Ming Li , Qian Liu , A. Lee Swindlehurst

The emerging edge-hub-cloud paradigm has enabled the development of innovative latency-critical cyber-physical applications in the edge-cloud continuum. However, this paradigm poses multiple challenges due to the heterogeneity of the…

Networking and Internet Architecture · Computer Science 2025-11-18 Andreas Kouloumpris , Georgios L. Stavrinides , Maria K. Michael , Theocharis Theocharides

Cell-free massive multiple-input-multiple-output (CF-mMIMO) is regarded as one of the promising technologies for next-generation wireless networks. However, due to its distributed architecture, geographically separated access points (APs)…

Signal Processing · Electrical Eng. & Systems 2024-11-11 Pengzhe Xin , Yang Cao , Yue Wu , Dongming Wang , Xiaohu You , Jiangzhou Wang

Hybrid analog-digital (A/D) transceivers designed for millimeter wave (mmWave) systems have received substantial research attention, as a benefit of their lower cost and modest energy consumption compared to their fully-digital…

Information Theory · Computer Science 2020-08-14 Kaidi Xu , Yunlong Cai , Minjian Zhao , Yong Niu , Lajos Hanzo

Recently, universal waveform generation tasks have been investigated conditioned on various out-of-distribution scenarios. Although GAN-based methods have shown their strength in fast waveform generation, they are vulnerable to…

Sound · Computer Science 2024-08-15 Sang-Hoon Lee , Ha-Yeong Choi , Seong-Whan Lee

Achieving agile and reconfigurable production flows in smart factories depends on online multi-robot task assignment (MRTA), which requires online collision-free and congestion-free route scheduling of transportation multi-robot systems…

Machine Learning · Computer Science 2026-03-26 Yaxin Liao , Qimei Cui , Kwang-Cheng Chen , Xiong Li , Jinlian Chen , Xiyu Zhao , Xiaofeng Tao , Ping Zhang

In collaborative perception, an agent's performance can be degraded by heterogeneity arising from differences in model architecture or training data distributions. To address this challenge, we propose HyDRA (Hybrid Domain-Aware Robust…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Minwoo Song , Minhee Kang , Heejin Ahn

LoRaWAN is one of the leading Low Power Wide Area Network (LPWAN) architectures. It was originally designed for systems consisting of static sensor or Internet of Things (IoT) devices and static gateways. It was recently updated to…

Networking and Internet Architecture · Computer Science 2020-04-15 Po-Yu Chen , Laksh Bhatia , Roman Kolcun , David Boyle , Julie A. McCann

In this paper, we develop a low-complexity channel estimation for hybrid millimeter wave (mmWave) systems, where the number of radio frequency (RF) chains is much less than the number of antennas equipped at each transceiver. The proposed…

Information Theory · Computer Science 2017-02-28 Lou Zhao , Derrick Wing Kwan Ng , Jinhong Yuan

Millimeter wave (mmWave) communication is a promising solution for coping with the ever-increasing mobile data traffic because of its large bandwidth. To enable a sufficient link margin, a large antenna array employing directional…

Information Theory · Computer Science 2019-07-02 Reza Ghanaatian , Vahid Jamali , Andreas Burg , Robert Schober

Hybrid precoding can significantly reduce the number of required radio frequency (RF) chains and relieve the huge energy consumption in mmWave massive MIMO systems, thus attracting much interests from academic and industry. However, most…

Information Theory · Computer Science 2016-05-17 Tian Xie , Linglong Dai , Xinyu Gao , Muhammad Zeeshan Shakir , Zhaocheng Wang

In this paper, a novel dual-mode scheduling framework is proposed that jointly performs user applications (UA) selection and scheduling over microwave ($\mu$W) and millimeter wave (mmW) bands. The proposed scheduling framework utilizes a…

Information Theory · Computer Science 2017-05-09 Omid Semiari , Walid Saad , Mehdi Bennis

We consider multi-group multicast precoding designs for cell-free massive multiple-input multiple-output (MIMO) systems. To optimize the transmit and receive beamforming strategies, we focus on minimizing the sum of the maximum mean squared…

Information Theory · Computer Science 2022-11-11 Bikshapathi Gouda , Italo Atzeni , Antti Tölli