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Multistatic integrated sensing and communications (ISAC) systems, which use distributed transmitters and receivers, offer enhanced spatial coverage and sensing accuracy compared to stand-alone ISAC configurations. However, these systems…

信号处理 · 电气工程与系统科学 2025-07-29 Taewon Jeong , Lucas Giroto , Umut Utku Erdem , Christian Karle , Jiyeon Choi , Thomas Zwick , Benjamin Nuss

Compared with traditional half-duplex wireless systems, the application of emerging full-duplex (FD) technology can potentially double the system capacity theoretically. However, conventional techniques for suppressing self-interference…

信息论 · 计算机科学 2023-06-27 Chi Qiu , Meng Hua , Qingqing Wu , Wen Chen , Shaodan Ma , Fen Hou , Derrick Wing Kwan Ng , A. Lee Swindlehurst

To reuse the scarce spectrum efficiently, a large full-duplex cellular network with integrated sensing and communication (ISAC) is studied. Monostatic detection at the base station (BS) is considered. At the BS, we receive two signals: the…

信息论 · 计算机科学 2024-05-02 Konpal Shaukat Ali , Roberto Bomfin , Marwa Chafii

A $K_T \times K_R$ cache-aided wireless interference network, in which both the transmitters and the receivers are equipped with cache memories is studied. Each user requests one file from a library of $N$ popular files. The goal is to…

信息论 · 计算机科学 2017-03-14 Joan S. Pujol Roig , Filippo Tosato , Deniz Gündüz

In-band full-duplex (IBFD) systems are expected to double the spectral efficiency compared to half-duplex systems, provided that loopback self-interference (SI) can be effectively suppressed. The inherent interference mitigation…

信息论 · 计算机科学 2025-06-09 Hanjiang Hong , Kai-Kit Wong , Hao Xu , Yiyan Wu , Sai Xu , Chan-Byoung Chae , Baiyang Liu , Kin-Fai Tong

This letter is concerned with the secrecy performance of reconfigurable intelligent surfaces (RIS)-aided wireless networks in the existence of multiple interferers towards the destination. To be more precise, we analyze three critical…

信息论 · 计算机科学 2023-02-22 Md. Roisul Ajom Ruku , Md. Ibrahim , A. S. M. Badrudduza , Imran Shafique Ansari

The impact of cooperation on interference management is investigated by studying an elemental wireless network, the so called symmetric interference relay channel (IRC), from a generalized degrees of freedom (GDoF) perspective. This is…

信息论 · 计算机科学 2015-05-21 Soheyl Gherekhloo , Anas Chaaban , Aydin Sezgin

The cognitive interference channel (C-IFC) consists of a classical two-user interference channel in which the message of one user (the "primary" user) is non-causally available at the transmitter of the other user (the "cognitive" user). We…

信息论 · 计算机科学 2016-11-18 Stefano Rini , Daniela Tuninetti , Natasha Devroye

This paper studies the K-user Gaussian interference channel with secrecy constraints. Two distinct network models, namely the interference channel with confidential messages and the one with an external eavesdropper, are analyzed. Using…

信息论 · 计算机科学 2016-11-15 Onur Ozan Koyluoglu , Hesham El Gamal , Lifeng Lai , H. Vincent Poor

The IEEE 802.11 standard based wireless local area networks (WLANs) or Wi-Fi networks are critical to provide internet access in today's world. The increasing demand for high data rate in Wi-Fi networks has led to several advancements in…

信号处理 · 电气工程与系统科学 2022-03-10 Mrugen Deshmukh , Zinan Lin , Hanqing Lou , Mahmoud Kamel , Rui Yang , Ismail Guvenc

Channel state information at the transmitter (CSIT) aids interference management in many communication systems. Due to channel state information (CSI) feedback delay and time-variation in the wireless channel, perfect CSIT is not realistic.…

信息论 · 计算机科学 2012-07-11 Namyoon Lee , Robert W. Heath

A simple channel state information (CSI) feedback scheme is proposed for interference alignment (IA) over the K-user constant Multiple-Input-Multiple-Output Interference Channel (MIMO IC). The proposed technique relies on the identification…

信息论 · 计算机科学 2015-02-17 Mohsen Rezaee , Maxime Guillaud

Multiple-input multiple-output (MIMO) technology has been regarded as one of the most important technologies to enable emerging applications in current and next generation wireless communication systems, for which signal detection methods…

信号处理 · 电气工程与系统科学 2026-01-13 Yanze Zhu , Hufei Zhu , Qingqing Wu , Yikui Zhai , Wen Chen , Yang Liu

We present an experiment-based characterization of passive suppression and active self-interference cancellation mechanisms in full-duplex wireless communication systems. In particular, we consider passive suppression due to antenna…

信息论 · 计算机科学 2016-11-17 Melissa Duarte , Chris Dick , Ashutosh Sabharwal

Wireless low-power transceivers used in sensor networks such as IEEE 802.15.4 typically operate in unlicensed frequency bands that are subject to external interference from devices transmitting at much higher power. Communication protocols…

网络与互联网体系结构 · 计算机科学 2012-02-23 Carlo Alberto Boano , Kay Römer , Marco Antonio Zúñiga , Thiemo Voigt

-In this work, we focus on the K--user Gaussian Symmetric Complex-valued Interference Channels (GS-CIC). The Compute-and-Forward (CoF) protocol in wireless networks have been employed for Gaussian Symmetric Real-valued Interference Channels…

信息论 · 计算机科学 2016-05-11 Ehsan Ebrahimi Khaleghi , Jean-Claude Belfiore

Joint device-to-device (D2D) and cellular communication is a promising technology for enhancing the spectral efficiency of future wireless networks. However, the interference management problem is challenging since the operating devices and…

信号处理 · 电气工程与系统科学 2023-12-08 Ly V. Nguyen , A. Lee Swindlehurst

Feedback of quantized channel state information (CSI), called limited feedback, enables transmit beamforming in multiple-input-multiple-output (MIMO) wireless systems with a small amount of overhead. Due to its efficiency, beamforming with…

信息论 · 计算机科学 2008-05-05 Kaibin Huang , Robert W. Heath , Jeffrey G. Andrews

Different from public 4G/5G networks that are dominated by downlink traffic, emerging 5G non-public networks (NPNs) need to support significant uplink traffic to enable emerging applications such as industrial Internet of things (IIoT). The…

信息论 · 计算机科学 2020-11-04 Peiming Li , Lifeng Xie , Jianping Yao , Jie Xu , Shuguang Cui , Ping Zhang

Interference significantly impacts the performance of industrial wireless networks, particularly n severe interference environments with dense networks reusing spectrum resources intensively. Although delicate interference information is…

系统与控制 · 电气工程与系统科学 2026-01-21 Yichen Guo , Tao Peng , Yujie Zhao , Yijing Niu , Wenbo Wang