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This paper studies integrated sensing and communication (ISAC) in the downlink of a cell-free massive multiple-input multiple-output (MIMO) system with multi-static sensing and ultra-reliable low-latency communication (URLLC) users. We…

Information Theory · Computer Science 2024-01-19 Zinat Behdad , Özlem Tuğfe Demir , Ki Won Sung , Cicek Cavdar

This paper considers the resource allocation algorithm design for downlink multiple-input single-output (MISO) orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency communication (URLLC) systems. To meet the…

Information Theory · Computer Science 2019-10-15 Walid R. Ghanem , Vahid Jamali , Yan Sun , Robert Schober

Ultra-reliable and low-latency communication (URLLC) is a pivotal technique for enabling the wireless control over industrial Internet-of-Things (IIoT) devices. By deploying distributed access points (APs), cell-free massive multiple-input…

Information Theory · Computer Science 2023-02-21 Qihao Peng , Hong Ren , Cunhua Pan , Nan Liu , Maged Elkashlan

The optimal design of the energy-efficient multiple-input multiple-output (MIMO) aided uplink ultra-reliable low-latency communications (URLLC) system is an important but unsolved problem. For such a system, we propose a novel…

Information Theory · Computer Science 2022-09-05 Linlin Zhao , Shaoshi Yang , Xuefen Chi , Wanzhong Chen , Shaodan Ma

In this paper, we study resource allocation algorithm design for secure multi-user downlink ultra-reliable low latency communication (URLLC). To enhance physical layer security (PLS), the base station (BS) is equipped with multiple antennas…

Information Theory · Computer Science 2020-03-02 Walid R. Ghanem , Vahid Jamali , Robert Schober

This paper investigates the downlink of massive multiple-input multiple-output (MIMO) systems that include a single cell Base Station (BS) equipped with large number of antennas serving multiple users. As the number of RF chains is getting…

Information Theory · Computer Science 2019-07-18 Rami Hamdi , Wessam Ajib

In this paper, we study resource allocation for downlink orthogonal frequency division multiple access (OFDMA) systems with the objective to enable ultra-reliable low latency communication (URLLC). To meet the stringent delay requirements…

Information Theory · Computer Science 2019-01-18 Walid R. Ghanem , Vahid Jamali , Yan Sun , Robert Schober

Concerning ultra-reliable low-latency communication (URLLC) for the downlink operating in the frequency-division multiple-access with random channel assignment, a lightweight power allocation approach is proposed to maximize the number of…

Signal Processing · Electrical Eng. & Systems 2022-08-05 Jinfei Wang , Yi Ma , Na Yi , Rahim Tafazolli

In cell-free massive multiple-input multiple-output systems, downlink power control is essential to ensure uniformly high service quality across users. Existing methods range from centralized iterative approaches requiring global channel…

Signal Processing · Electrical Eng. & Systems 2026-05-27 Giovanni Di Gennaro , Amedeo Buonanno , Gianmarco Romano , Francesco Verde , Stefano Buzzi , Francesco A. N. Palmieri

We investigate the non-orthogonal coexistence between the ultra-reliable low-latency communication (URLLC) and the enhanced mobile broadband (eMBB) in the downlink of a cell-free massive multiple-input multiple-output (MIMO) system. We…

Information Theory · Computer Science 2024-05-14 Giovanni Interdonato , Stefano Buzzi

We present a general framework for the characterization of the packet error probability achievable in cell-free Massive multiple-input multiple output (MIMO) architectures deployed to support ultra-reliable low-latency (URLLC) traffic. The…

Information Theory · Computer Science 2023-04-17 Alejandro Lancho , Giuseppe Durisi , Luca Sanguinetti

In this paper, we employ a user-centric (UC) cell-free massive MIMO (CFmMIMO) network for providing ultra reliable low latency communication (URLLC) when traditional ground users (GUs) coexist with unmanned aerial vehicles (UAVs). We study…

Information Theory · Computer Science 2022-12-06 Mohamed Elwekeil , Alessio Zappone , Stefano Buzzi

The fast adoption of Massive MIMO for high-throughput communications was enabled by many research contributions mostly relying on infinite-blocklength information-theoretic bounds. This makes it hard to assess the suitability of Massive…

Information Theory · Computer Science 2021-05-11 Johan Östman , Alejandro Lancho , Giuseppe Durisi , Luca Sanguinetti

Multiple Input Multiple Output (MIMO) technology is going to be a viable alternative for future generation wireless broadband services in order to meet the striving requirements for throughput and system robustness. In Long Term Evolution…

Networking and Internet Architecture · Computer Science 2011-11-08 Sunil Joshi , Deepak Gupta

In this paper, we investigate the energy efficient power allocation for the downlink in the massive multiple-input multiple-output (MIMO) systems under zero-forcing (ZF) receiver. The radio frequencies (RF) that have a significant effect on…

Signal Processing · Electrical Eng. & Systems 2021-08-24 Mahdi Nangir , Abdolrasoul Sakhaei Gharagezlou , Nima Imani

In this paper we analyze the performance of single stream and multi-stream spatial multiplexing (SM) systems employing opportunistic scheduling in the presence of interference. In the proposed downlink framework, every active user reports…

Information Theory · Computer Science 2013-07-16 Kiran Kuchi

Ultra-reliable and low-latency communications (URLLC) is firstly proposed in 5G networks, and expected to support applications with the most stringent quality-of-service (QoS). However, since the wireless channels vary dynamically, the…

Signal Processing · Electrical Eng. & Systems 2023-05-26 Kang Li , Pengcheng Zhu , Yan Wang , Fu-Chun Zheng , Xiaohu You

This paper addresses the joint transceiver design for downlink multiuser multiple-input multiple-output (MIMO) systems, with imperfect channel state information (CSI) at the base station (BS) and mobile stations (MSs). By incorporating…

Optimization and Control · Mathematics 2013-11-26 Tadilo Endeshaw Bogale , Batu Krishna Chalise , Luc Vandendorpe

One of the use cases for 5G systems and beyond is ultra-reliability low-latency communication (URLLC). An enabling technology for URLLC is massive multiple-input multiple-output (MIMO), which can increase reliability due to improved user…

Information Theory · Computer Science 2022-11-18 Sara Willhammar , Liesbet Van der Perre , Fredrik Tufvesson

In this paper, we consider massive multiple-input multiple-output (MIMO) systems for both downlink and uplink scenarios, where three radio units (RUs) connected via one digital unit (DU) support multiple user equipments (UEs) at the…

Information Theory · Computer Science 2016-11-17 Yeon-Geun Lim , Chan-Byoung Chae , Giuseppe Caire
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