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The next generation ultra-reliable and low-latency communications (xURLLC) need novel design to provide satisfactory services to the emerging mission-critical applications. To improve the spectrum efficiency and enhance the robustness of…

Information Theory · Computer Science 2022-09-20 Tiantian Li , Haixia Zhang , Shuaishuai Guo , Dongfeng Yuan

This letter considers the secure communication in a reconfigurable intelligent surface (RIS) aided full duplex (FD) system. An FD base station (BS) serves an uplink (UL) user and a downlink (DL) user simultaneously over the same…

Signal Processing · Electrical Eng. & Systems 2022-09-27 Pengxin Guan , Yiru Wang , Yuping Zhao

This paper investigates the co-existence of Wi-Fi and LTE in emerging unlicensed frequency bands which are intended to accommodate multiple radio access technologies. Wi-Fi and LTE are the two most prominent access technologies being…

Information Theory · Computer Science 2016-11-17 Shweta Sagari , Samuel Baysting , Dola Saha , Ivan Seskar , Wade Trappe , Dipankar Raychaudhuri

The integration of sensing and communication enables wireless communication systems to serve environment-aware applications. In this paper, we propose to leverage sensing to enhance physical layer security (PLS) in multiuser communication…

Information Theory · Computer Science 2023-12-27 Dongfang Xu , Yiming Xu , Zhiqiang Wei , Shenghui Song , Derrick Wing Kwan Ng

As the next generation cellular system, 5G network is required to provide a large variety of services for different kinds of terminals, from traditional voice and data services over mobile phones to small packet transmission over massive…

Information Theory · Computer Science 2016-09-09 Yinsheng Liu , Xia Chen , Zhangdui Zhong , Bo Ai , Deshan Miao , Zhuyan Zhao , Jingyuan Sun , Yong Teng , Hao Guan

We introduce the broadband reconfigurable intelligent surface (RIS) channel (BRISC) dataset. The dataset comprises measurements of channel state information (CSI) collected at 5.53 GHz using a 256-element RIS with binary states. In the…

Signal Processing · Electrical Eng. & Systems 2026-02-25 Mattia Piana , Giovanni Angelo Alghisi , Anna Valeria Guglielmi , Giovanni Perin , Francesco Gringoli , Stefano Tomasin

We consider a wireless distributed computing system, in which multiple mobile users, connected wirelessly through an access point, collaborate to perform a computation task. In particular, users communicate with each other via the access…

Information Theory · Computer Science 2017-05-09 Songze Li , Qian Yu , Mohammad Ali Maddah-Ali , A. Salman Avestimehr

Intelligent reflecting surface (IRS) has drawn a lot of attention recently as a promising new solution to achieve high spectral and energy efficiency for future wireless networks. By utilizing massive low-cost passive reflecting elements,…

Information Theory · Computer Science 2022-10-17 Ming-Min Zhao , Qingqing Wu , Min-Jian Zhao , Rui Zhang

Intelligent reflecting surface (IRS) is deemed as a promising and revolutionizing technology for future wireless communication systems owing to its capability to intelligently change the propagation environment and introduce a new dimension…

Signal Processing · Electrical Eng. & Systems 2021-01-06 Wenhao Cai , Rang Liu , Yang Liu , Ming Li , Qian Liu

The dual-functional radar and communication (DFRC) technique constitutes a promising next-generation wireless solution, due to its benefits in terms of power consumption, physical hardware, and spectrum exploitation. In this paper, we…

Signal Processing · Electrical Eng. & Systems 2023-01-03 Fuwang Dong , Wei Wang , Xin Li , Fan Liu , Sheng Chen , Lajos Hanzo

Unmanned Aerial Vehicles (UAVs) are being used for wireless communications in smart environments. However, the need for mobility, scalability of data transmission over wide areas, and the required coverage area make UAV beamforming…

Signal Processing · Electrical Eng. & Systems 2023-07-17 Abdu Saif , Nor Shahida Mohd Shah , Soreen Ameen Fattah , Saeed Hamood Alsamhi , Santosh Kumar , Ali Saad Al khuraib

Conventional wireless techniques are becoming inadequate for beyond fifth-generation (5G) networks due to latency and bandwidth considerations. To improve the error performance and throughput of wireless communication systems, we propose…

Networking and Internet Architecture · Computer Science 2021-03-23 Amanat Kafizov , Ahmed Elzanaty , Lav R. Varshney , Mohamed-Slim Alouini

This paper investigates the application of fast-convolution (FC) filtering schemes for flexible and effective waveform generation and processing in the fifth generation (5G) systems. FC-based filtering is presented as a generic multimode…

Information Theory · Computer Science 2017-06-12 Juha Yli-Kaakinen , Toni Levanen , Sami Valkonen , Kari Pajukoski , Juho Pirskanen , Markku Renfors , Mikko Valkama

The performance of wireless communication systems is fundamentally constrained by random and uncontrollable wireless channels. Recently, reconfigurable intelligent surfaces (RIS) has emerged as a promising solution to enhance wireless…

Signal Processing · Electrical Eng. & Systems 2023-12-29 Xiaohao Mo , Lin Gui , Kai Ying , Xichao Sang , Xiaqing Diao

Intelligent surfaces have emerged as a promising solution to enhance coverage and mitigate signal fading in future wireless communication systems, thereby improving bandwidth and data rates. Passive intelligent surfaces, in particular,…

In order to keep up with the increasing demands for capacity, cellular networks are becoming increasingly dense and heterogeneous. Dense deployments are expected to provide a linear capacity scaling with the number of small cells deployed…

Networking and Internet Architecture · Computer Science 2014-08-01 Rakesh Misra , Sachin Katti

Future wireless communication systems must simultaneously address multiple challenges to ensure accurate data detection, deliver high Quality of Service (QoS), adding enable a high data transmission with low system design. Additionally,…

Information Theory · Computer Science 2024-10-03 Amina Darghouthi , Abdelhakim Khlifi , Belgacem Chibani

This paper presents a multi-bit reconfigurable intelligent surface (RIS) with a high phase resolution, capable of beam-steering in the azimuthal plane at sub-6 Gigahertz (GHz). Field trials in realistic indoor deployments have been carried…

Signal Processing · Electrical Eng. & Systems 2022-10-21 James Rains , Jalil ur Rehman Kazim , Anvar Tukmanov , Tie Jun Cui , Lei Zhang , Qammer H. Abbasi , Muhammad Ali Imran

The emergence of beyond-licensed spectrum sharing in FR1 (0.45-6 GHz) and FR2 (24 - 52 GHz) along with the multi-antenna narrow-beam based directional transmissions demand a wideband spectrum sensing in temporal as well as spatial domains.…

Signal Processing · Electrical Eng. & Systems 2020-08-17 Himani Joshi , Sumit J. Darak , Mohammad Alaee-Kerahroodi , Bhavani Shankar Mysore Rama Rao

Advanced metering infrastructure (AMI) of smart grid requires bidirectional communication for transferring data to billing center, for which WiFi is an attractive choice. However, WiFi operates in the unlicensed bands and LTE needs to…

Information Theory · Computer Science 2018-05-10 Imtiaz Parvez , Tanwir Khan , Arif Sarwat , Zakaria Parvez