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In this study, we explore integrated sensing and communication (ISAC) networks to strike a more effective balance between sensing and communication (S&C) performance at the network scale. We leverage stochastic geometry to analyze the S&C…

Information Theory · Computer Science 2024-01-11 Kaitao Meng , Christos Masouros , Guangji Chen , Fan Liu

Integrated sensing, communication, and computation (ISCC) is emerging as a unified design paradigm for future vehicular networks that require joint environment perception, safety-critical information exchange, and latency-sensitive task…

Information Theory · Computer Science 2026-05-26 Indulekha K. P. , T. G. Venkatesh

Different from conventional radar, the cellular network in the integrated sensing and communication (ISAC) system enables collaborative sensing by multiple sensing nodes, e.g., base stations (BSs). However, existing works normally assume…

Signal Processing · Electrical Eng. & Systems 2023-05-10 Yiming Xu , Dongfang Xu , Lei Xie , Shenghui Song

Previous works on cache-enabled small-cell networks (SCNs) with probabilistic caching often assume that each user is connected to the nearest small base station (SBS) among all that have cached its desired content. The user may, however,…

Information Theory · Computer Science 2017-09-14 Xianzhe Xu , Meixia Tao

We consider joint beamforming and stream allocation to maximize the weighted sum rate (WSR) for non-coherent joint transmission (NCJT) in user-centric cell-free MIMO networks, where distributed access points (APs) are organized in clusters…

Signal Processing · Electrical Eng. & Systems 2024-02-29 Xi Wang , Xiaotong Zhao , Juncheng Wang , You Li , Qingjiang Shi

Semantic communication has emerged as a promising technology to break the Shannon limit by extracting the meaning of source data and sending relevant semantic information only. However, some mobile devices may have limited computation and…

Information Theory · Computer Science 2023-11-17 Tianyu Liu , Changsheng You , Zeyang Hu , Chenyu Wu , Yi Gong , Kaibin Huang

Integrated sensing and communication (ISAC) has been recognized as one of the key technologies for future wireless networks, which potentially need to operate in multiple frequency bands to satisfy ever-increasing demands for both…

Information Theory · Computer Science 2025-07-11 Nemanja Stefan Perović , Mark F. Flanagan , Le-Nam Tran

In this paper, we investigate the problem of rate maximization in a fluid antenna system (FAS) assisted semantic communication system. In the considered model, a base station (BS) with multiple static antennas employs semantic extraction…

Signal Processing · Electrical Eng. & Systems 2025-07-01 Siyun Liang , Chen Zhu , Zhaohui Yang , Changsheng You , Dusit Niyato , Kai-Kit Wong , Zhaoyang Zhang

Semantic communication, augmented by knowledge bases (KBs), offers substantial reductions in transmission overhead and resilience to errors. However, existing methods predominantly rely on end-to-end training to construct KBs, often failing…

Image and Video Processing · Electrical Eng. & Systems 2024-10-25 Peiwen Jiang , Chao-Kai Wen , Shi Jin , Jun Zhang

This paper studies the resource allocation algorithm design for multiuser coordinated multipoint (CoMP) networks with simultaneous wireless information and power transfer (SWIPT). In particular, remote radio heads (RRHs) are connected to a…

Information Theory · Computer Science 2014-07-03 Derrick Wing Kwan Ng , Robert Schober

Spectrum management has been identified as a crucial step towards enabling the technology of the cognitive radio network (CRN). Most of the current works dealing with spectrum management in the CRN focus on a single task of the problem,…

Information Theory · Computer Science 2016-11-17 Mingyi Hong , Alfredo Garcia , Jorge Alviar

Distributed consensus has been widely studied for sensor network applications. Whereas the asymptotic convergence rate has been extensively explored in prior work, other important and practical issues, including energy efficiency and link…

Networking and Internet Architecture · Computer Science 2013-04-10 Lei Chen , Jeff Frolik

We aim at maximizing the sum rate of secondary users (SUs) in OFDM-based Heterogeneous Cognitive Radio (CR) Networks using RF energy harvesting. Assuming SUs operate in a time switching fashion, each time slot is partitioned into three…

Networking and Internet Architecture · Computer Science 2017-05-12 Ali Shahini , Nirwan Ansari

This paper first considers a multicell network deployment where the base station (BS) of each cell communicates with its cell-edge user with the assistance of an amplify-and-forward (AF) relay node. Equipped with a power splitter and a…

Information Theory · Computer Science 2016-11-17 Ali A. Nasir , Duy T. Ngo , Xiangyun Zhou , Rodney A. Kennedy , Salman Durrani

Multimodal semantic communication has great potential to enhance downstream task performance by integrating complementary information across modalities. This paper introduces ProMSC-MIS, a novel Prompt-based Multimodal Semantic…

Multimedia · Computer Science 2025-08-28 Haoshuo Zhang , Yufei Bo , Meixia Tao

This letter studies joint transmit beamforming and antenna selection at a secondary base station (BS) with multiple primary users (PUs) in an underlay cognitive radio multiple-input single-output broadcast channel. The objective is to…

Information Theory · Computer Science 2017-03-02 Van-Dinh Nguyen , Chuyen T. Nguyen , Hieu V. Nguyen , Oh-Soon Shin

Large-scale mobile edge computing (MEC) systems require scalable solutions to allocate communication and computing resources to the users. In this letter we address this challenge by applying dynamic spectrum sharing among the base stations…

Information Theory · Computer Science 2019-10-14 Ming Zeng , Viktoria Fodor

Nowadays, the bulk of Internet traffic uses TCP protocol for reliable transmission. But the standard TCP's performance is very poor in High Speed Networks (HSN) and hence the core gigabytes links are usually underutilization. This problem…

Networking and Internet Architecture · Computer Science 2021-03-18 Shahram Jamali , Mir Mahmoud Talebi , Reza Fotohi

In this paper, we explore a multi-task semantic communication (SemCom) system for distributed sources, extending the existing focus on collaborative single-task execution. We build on the cooperative multi-task processing introduced in [1],…

Signal Processing · Electrical Eng. & Systems 2025-06-11 Ahmad Halimi Razlighi , Maximilian H. V. Tillmann , Edgar Beck , Carsten Bockelmann , Armin Dekorsy

Semantic communication (SemCom) is emerging as a key technology for future sixth-generation (6G) systems. Unlike traditional bit-level communication (BitCom), SemCom directly optimizes performance at the semantic level, leading to superior…

Information Theory · Computer Science 2025-07-22 Maojun Zhang , Guangxu Zhu , Richeng Jin , Xiaoming Chen , Qingjiang Shi , Caijun Zhong , Kaibin Huang
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