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This paper addresses precoder design for secure multiple-input multiple-output (MIMO) integrated sensing and communications (ISAC) systems. We introduce a MIMO channel with a multiple-antenna eavesdropper and a multiple-antenna sensing…

Signal Processing · Electrical Eng. & Systems 2026-03-09 Seongkyu Jung , Namyoon Lee , Jeonghun Park

We propose a novel pilot-free multi-user uplink framework for integrated sensing and communication (ISAC) in mm-wave networks, where single-antenna users transmit orthogonal frequency division multiplexing signals without dedicated pilots.…

Signal Processing · Electrical Eng. & Systems 2025-05-05 Sajad Daei , Gabor Fodor , Mikael Skoglund

The task-oriented semantic communication systems have achieved significant performance gain, however, the paradigm that employs a model for a specific task might be limited, since the system has to be updated once the task is changed or…

Signal Processing · Electrical Eng. & Systems 2022-06-02 Guangyi Zhang , Qiyu Hu , Zhijin Qin , Yunlong Cai , Guanding Yu

Despite the success of large language models (LLMs) across domains, their potential for efficient channel state information (CSI) compression and feedback in frequency division duplex (FDD) massive multiple-input multiple-output (mMIMO)…

Information Theory · Computer Science 2026-03-05 Jie Wu , Wei Xu , Le Liang , Xiaohu You , Mérouane Debbah

The accurate estimation of Channel State Information (CSI) is of crucial importance for the successful operation of Multiple-Input Multiple-Output (MIMO) communication systems, especially in a Multi-User (MU) time-varying environment and…

Information Theory · Computer Science 2022-02-22 Jide Yuan , George C. Alexandropoulos , Eleftherios Kofidis , Tobias Lindstrm Jensen , Elisabeth De Carvalho

Cell-free massive multiple-input multiple-output (CF-mMIMO) is a breakthrough technology for beyond-5G systems, designed to significantly boost the energy and spectral efficiencies of future mobile networks while ensuring a consistent…

Signal Processing · Electrical Eng. & Systems 2024-09-19 Alejandro de la Fuente , Guillem Femenias , Felip Riera-Palou , Giovanni Interdonato

Mission-critical communications (MCC) involve all communications between people in charge of the safety of the civil society. MCC have unique requirements that include improved reliability, security and group communication support. In this…

Information Theory · Computer Science 2020-12-11 Deepa Jagyasi , Marceau Coupechoux

In-band Full-Duplex (FD) Multiple-Input Multiple-Output (MIMO) systems offer a significant opportunity for Integrated Sensing and Communications (ISAC) due to their capability to realize simultaneous signal transmissions and receptions.…

Information Theory · Computer Science 2024-10-10 Besma Smida , George C. Alexandropoulos , Taneli Riihonen , Md Atiqul Islam

In this paper, we propose a bi-static multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system to detect the arrival of ultra-reliable and low-latency communication (URLLC) messages and prioritize their…

Information Theory · Computer Science 2025-02-04 Homa Nikbakht , Yonina C. Eldar , H. Vincent Poor

Recent advancements in foundation models (FMs) have attracted increasing attention in the wireless communication domain. Leveraging the powerful multi-task learning capability, FMs hold the promise of unifying multiple tasks of wireless…

Information Theory · Computer Science 2026-01-14 Tianyue Zheng , Jiajia Guo , Linglong Dai , Shi Jin , Jun Zhang

The multi-user Holographic Multiple-Input and Multiple-Output Surface (MU-HMIMOS) paradigm, which is capable of realizing large continuous apertures with minimal power consumption, has been recently considered as an energyefficient solution…

Information Theory · Computer Science 2022-09-14 Li Wei , Chongwen Huang , George C. Alexandropoulos , Wei E. I. Sha , Zhaoyang Zhang , Merouane Debbah , Chau Yuen

Recent advances in integrated sensing and communication (ISAC) unmanned aerial vehicles (UAVs) have enabled their widespread deployment in critical applications such as emergency management. This paper investigates the challenge of…

Information Theory · Computer Science 2025-03-26 Ziji Guo , Haonan Tong , Zhilong Zhang , Danpu Liu

6G networks promise revolutionary immersive communication experiences including augmented reality (AR), virtual reality (VR), and holographic communications. These applications demand high-dimensional multimodal data transmission and…

Machine Learning · Computer Science 2025-07-08 Yusong Zhang , Yuxuan Sun , Lei Guo , Wei Chen , Bo Ai , Deniz Gunduz

Semantic communications, which focus on transmitting the semantic meaning of data, have been proposed as a novel paradigm for achieving efficient and relevant communication. Meanwhile, non-orthogonal multiple access (NOMA) enhances spectral…

Signal Processing · Electrical Eng. & Systems 2025-08-20 Ximing Xie , Fang Fang , Lan Zhang , Xianbin Wang

Semantic communication, notable for ensuring quality of service by jointly optimizing source and channel coding, effectively extracts data semantics, reduces transmission length, and mitigates channel noise. However, most studies overlook…

Information Theory · Computer Science 2025-02-06 Loc X. Nguyen , Kitae Kim , Ye Lin Tun , Sheikh Salman Hassan , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

A cellular multiple-input multiple-output (MIMO) downlink system is studied in which each base station (BS) transmits to some of the users, so that each user receives its intended signal from a subset of the BSs. This scenario is referred…

Information Theory · Computer Science 2013-02-12 Saeed Kaviani , Osvaldo Simeone , Witold A Krzymień , Shlomo Shamai

We present a practical strategy that aims to attain rate points on the dominant face of the multiple access channel capacity using a standard low complexity decoder. This technique is built upon recent theoretical developments of Zhu and…

Information Theory · Computer Science 2018-01-01 Erixhen Sula , Jingge Zhu , Adriano Pastore , Sung Hoon Lim , Michael Gastpar

Lightweight and efficient deep joint source-channel coding (JSCC) is a key technology for semantic communications. In this paper, we design a novel JSCC scheme named MambaJSCC, which utilizes a visual state space model with channel…

Information Theory · Computer Science 2024-05-07 Tong Wu , Zhiyong Chen , Meixia Tao , Xiaodong Xu , Wenjun Zhang , Ping Zhang

With the versatile manipulation capability, programmable metasurfaces are rapidly advancing in their intelligence, integration, and commercialization levels. However, as the programmable metasurfaces scale up, their control configuration…

This paper studies a two-layer decoding method that mitigates inter-cell interference in multi-cell Massive MIMO systems. In layer one, each base station (BS) estimates the channels to intra-cell users and uses the estimates for local…

Information Theory · Computer Science 2019-03-19 Trinh Van Chien , Christopher Mollén , Emil Björnson
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