中文
相关论文

相关论文: Effective Carrier Sensing in CSMA Networks under C…

200 篇论文

In this paper, we introduce a new attack called controller manipulation attack (CMA) on a Reconfigurable Intelligent Surface (RIS) assisted communication system between a transmitter and a receiver. An attacker has the capability to…

信号处理 · 电气工程与系统科学 2023-11-29 Siddharth Sankar Acharjee , Arpan Chattopadhyay

Integrated sensing and communications (ISAC) is expected to be a key technology for 6G, and channel state information (CSI) based sensing is a key component of ISAC. However, current research on ISAC focuses mainly on improving sensing…

信号处理 · 电气工程与系统科学 2024-08-22 Jiacheng Wang , Hongyang Du , Yinqiu Liu , Geng Sun , Dusit Niyato , Shiwen Mao , Dong In Kim , Xuemin Shen

Integrated sensing and communication (ISAC) systems have emerged as a promising solution to improve spectrum efficiency and enable functional convergence. However, ensuring secure information transmission while maintaining high-quality…

信号处理 · 电气工程与系统科学 2025-12-12 Yufei Wang , Qiang Li , Hongli Liu , Ying Zhang , Jingran Lin

The multi-sector intelligent surface (IS), benefiting from a smarter wave manipulation capability, has been shown to enhance channel gain and offer full-space coverage in communications. However, the benefits of multi-sector IS in wireless…

信号处理 · 电气工程与系统科学 2024-06-26 Yumeng Zhang , Xiaodan Shao , Hongyu Li , Bruno Clerckx , Rui Zhang

This paper investigates the performance of multi-user covert communications over a fixed bandwidth in a multi-cell scenario with both eavesdroppers and malicious jammers. We propose an intelligent spectrum control (ISC) scheme that combines…

信息论 · 计算机科学 2026-01-12 Yujie Ling , Zan Li , Lei Guan , Zheng Zhang , Dusit Niyato

Exploring the mutual benefit and reciprocity of sensing and communication (S\&C) functions is fundamental to realizing deeper integration for integrated sensing and communication (ISAC) systems. This paper investigates a novel…

信号处理 · 电气工程与系统科学 2024-08-29 Fuwang Dong , Fan Liu , Shihang Lu , Yifeng Xiong , Qixun Zhang , Zhiyong Feng , Feifei Gao

We propose a distributed implementation for integrated sensing and communication (ISAC) backed by a massive multiple input multiple output (CF-mMIMO) architecture without cells. Distributed multi-antenna access points (APs) simultaneously…

Integrated sensing and communications (ISAC) allows networks to perform sensing alongside data transmission. While most ISAC studies focus on single-target, multi-user scenarios, multi-target sensing is scarcely researched. This letter…

信号处理 · 电气工程与系统科学 2024-10-31 Ozan Alp Topal , Özlem Tuğfe Demir , Emil Björnson , Cicek Cavdar

The Decentralized Congestion Control (DCC) algorithms specified in ETSI ITS standards [1] address the IEEE 802.11p MAC and provide reliability of periodic broadcast messages at high density of vehicles. However, the deterministic relation…

网络与互联网体系结构 · 计算机科学 2017-01-02 Yunpeng Zang , Bernhard Walke , Guido Hiertz , Christian Wietfeld

Integrated sensing and communication (ISAC), which allows individual radar and communication systems to share the same spectrum bands, is an emerging and promising technique for alleviating spectrum congestion problems. In this paper, we…

信号处理 · 电气工程与系统科学 2022-12-02 Jinjin Chu , Rang Liu , Ming Li , Yang Liu , Qian Liu

We propose a framework to design integrated communication and computing (ICC) receivers capable of simultaneously detecting data symbols and performing over-the-air computing (AirComp) in a manner that: a) is systematically generalizable to…

A state-dependent discrete memoryless multiple access channel is considered to model an integrated sensing and communication system, where two transmitters wish to convey messages to a receiver while simultaneously estimating the state…

信息论 · 计算机科学 2025-06-19 Yao Liu , Min Li , An Liu , Lawrence Ong , Aylin Yener

The last few years have seen the proliferation of low-power wide area networks like LoRa, Sigfox and 802.11ah, each of which use a different and sometimes proprietary coding and modulation scheme, work below the noise floor and operate on…

网络与互联网体系结构 · 计算机科学 2019-04-25 Justin Chan , Anran Wang , Arvind Krishnamurthy , Shyamnath Gollakota

Collisions are a main cause of throughput degradation in WLANs. The current contention mechanism used in IEEE 802.11 networks is called Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA). It uses a Binary Exponential Backoff…

网络与互联网体系结构 · 计算机科学 2016-11-15 Luis Sanabria-Russo , Jaume Barcelo , Boris Bellalta , Francesco Gringoli

In this paper, we study a secure integrated sensing and communication (ISAC) system employing a full-duplex base station with sensing capabilities against a mobile proactive adversarial target$\unicode{x2014}$a malicious unmanned aerial…

信息论 · 计算机科学 2025-09-23 Milad Tatar Mamaghani , Xiangyun Zhou , Nan Yang , A. Lee Swindlehurst

Integrating sensing capabilities into existing massive MIMO communication networks has become crucial, stemming from a need for a more interconnected society. Improved coverage and performance can be obtained by incorporating new network…

信号处理 · 电气工程与系统科学 2025-03-27 Henrik Åkesson , Diana P. M. Osorio , Erik G. Larsson

It was shown recently that CSMA (Carrier Sense Multiple Access)-like distributed algorithms can achieve the maximal throughput in wireless networks (and task processing networks) under certain assumptions. One important, but idealized…

网络与互联网体系结构 · 计算机科学 2016-11-18 Libin Jiang , Jean Walrand

Integrated sensing and communication (ISAC) has been recognized as a key enabler and feature of future wireless networks. In the existing works analyzing the performances of ISAC, discrete-time systems were commonly assumed, which, however,…

信息论 · 计算机科学 2024-07-08 Zhouyuan Yu , Xiaoling Hu , Chenxi Liu , Mugen Peng

A novel concept of Joint Source and Channel Sensing (JSCS) is introduced in the context of Cognitive Radio Sensor Networks (CRSN). Every sensor node has two basic tasks: application-oriented source sensing and ambient-oriented channel…

信息论 · 计算机科学 2014-02-25 Huazi Zhang , Zhaoyang Zhang , Xiaoming Chen , Rui Yin

The problem of Carrier Sense Multiple Access (CSMA) with multi-packet reception (MPR) is studied. Most prior work has focused on the homogeneous case, where all the mobile users are assumed to have identical packet arrival rates and…

信息论 · 计算机科学 2016-09-09 Shwan Ashrafi , Chen Feng , Sumit Roy