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Integrated sensing and communication (ISAC) is a key technology for enabling a wide range of applications in future wireless systems. However, the sensing performance is often degraded by model mismatches caused by geometric errors (e.g.,…

Signal Processing · Electrical Eng. & Systems 2026-02-03 Hui Chen , Mengting Li , Alireza Pourafzal , Huiping Huang , Yu Ge , Sigurd Sandor Petersen , Ming Shen , George C. Alexandropoulos , Henk Wymeersch

Sensing capabilities as an integral part of the network have been identified as a novel feature of sixth-generation (6G) wireless networks. As a key driver, millimeterwave (mmWave) communication largely boosts speed, capacities, and…

Information Theory · Computer Science 2023-05-02 Siyao Li , Giuseppe Caire

In this paper, we present a novel method for a base station (BS) to estimate the total downlink interference power received by any given mobile receiver, without information feedback from the user or information exchange between…

Networking and Internet Architecture · Computer Science 2016-11-18 Siyi Wang , Weisi Guo , Mark D. McDonnell

In Free Space Optical (FSO) communication systems, atmospheric turbulence distorts the propagating beams, causing a random fading in the received power. This perturbation can be compensated using a multi-aperture receiver that samples the…

The transverse field profile of light is being recognized as a resource for classical and quantum communications for which reliable methods of sorting or demultiplexing spatial optical modes are required. Here, we demonstrate,…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Amit Bekerman , Sahar Froim , Barak Hadad , Alon Bahabad

The frequency selectivity of wireless communication channels can be characterized by the delay spread Ds of the channel impulse response. If the delay spread is small compared to the bandwidth W of the input signal, that is, Ds*W…

Information Theory · Computer Science 2008-08-07 Georg Böcherer , Daniel Bielefeld

In this paper, we consider a three-node cooperative wireless powered communication system consisting of a multi-antenna hybrid access point (H-AP) and a single-antenna relay and a single-antenna user. The energy constrained relay and user…

Information Theory · Computer Science 2017-03-07 Han Liang , Caijun Zhong , Himal A. Suraweera , Gan Zheng , Zhaoyang Zhang

Stationary collectors reading wireless, battery powered smart meters, often operate in harsh channel conditions to cut network installation cost to a minimum, challenging the individual link to each meter. The desired performance measure is…

Networking and Internet Architecture · Computer Science 2013-05-22 Rasmus Melchior Jacobsen , Petar Popovski

A prototype of ion beam transport module has been developed at the Institut Pluridisciplinaire Hubert Curien (IPHC) and used as a test bed to investigate key issues related to the efficient transport of ion beams. This includes the…

Accelerator Physics · Physics 2023-03-14 F Osswald , E Traykov , T Durand , M Heine , J Michaud , J C Thomas

This research sets forth a universal framework to characterize the beamforming gain achievable with arbitrarily nonideal phase shifters. Precisely, the maximum possible shortfall relative to the gain attainable with ideal phase shifters is…

Signal Processing · Electrical Eng. & Systems 2026-01-15 Heedong Do , Angel Lozano

Using a large deviations approach we calculate the probability distribution of the mutual information of MIMO channels in the limit of large antenna numbers. In contrast to previous methods that only focused at the distribution close to its…

Information Theory · Computer Science 2016-11-18 P. Kazakopoulos , P. Mertikopoulos , A. L. Moustakas , G. Caire

The Internet of Things (IoT) could enable the development of cloud multiple-input multiple-output (MIMO) systems where internet-enabled devices can work as distributed transmission/reception entities. We expect that spatial multiplexing…

Information Theory · Computer Science 2014-12-02 Junil Choi , David J. Love , D. Richard Brown

In this paper, we investigate a multiple-input multiple-output (MIMO) system with simultaneous information detection (ID) and energy harvesting (EH) receiver. This point-to-point system operates in the vicinity of active interfering nodes.…

Information Theory · Computer Science 2019-03-01 Ali Kariminezhad , Aydin Sezgin

In this paper we study energy efficient joint power allocation and beamforming for coordinated multicell multiuser downlink systems. The considered optimization problem is in a non-convex fractional form and hard to tackle. We propose to…

Information Theory · Computer Science 2013-10-09 He Shiwen , Huang Yongming , Jin Shi , Yang Luxi

Multi-mode antennas are an alternative to classical antenna arrays, and hence a promising emerging sensor technology for a vast variety of applications in the areas of array signal processing and digital communications. An unsolved problem…

Signal Processing · Electrical Eng. & Systems 2019-05-30 Sami Alkubti Almasri , Robert Pöhlmann , Niklas Doose , Peter A. Hoeher , Armin Dammann

Intelligent reflecting surfaces (IRSs) improve both the bandwidth and energy efficiency of wideband communication systems by using low-cost passive elements for reflecting the impinging signals with adjustable phase shifts. To realize the…

Signal Processing · Electrical Eng. & Systems 2021-06-08 Siqi Ma , Wenqian Shen , Jianping An , Lajos Hanzo

High-frequency bands such as millimeter-wave and terahertz require narrow beams due to path loss and shadowing. Beam alignment (BA) methods allow the transceivers to adjust the directions of these beams efficiently by exploiting the channel…

Information Theory · Computer Science 2022-05-17 Ozlem Yildiz , Abbas Khalili , Elza Erkip

In this paper, a novel technique is proposed to address the joint sampling timing acquisition for baseband and broadband power-line communication (BB-PLC) systems using Orthogonal-Frequency-Division-Multiplexing (OFDM), including the…

Information Theory · Computer Science 2016-11-18 Chen Chen , Yun Chen , Na Ding , Jia-Chin Lin , Xiaoyang Zeng , Defeng , Huang

This paper established a novel multi-input multi-output (MIMO) communication network, in the presence of full-duplex (FD) transmitters and receivers with the assistance of dual-side intelligent omni surface. Compared with the traditional…

Information Theory · Computer Science 2024-08-22 Sisai Fang , Gaojie Chen , Chong Huang , Yue Gao , Yonghui Li , Kai-Kit Wong , Jonathon A. Chambers

In this paper, we investigated the capacity and bit error rate (BER) performance of Multiple Input Multiple Output (MIMO) satellite systems with single and multiple dual polarized satellites in geostationary orbit and a mobile ground…

Information Theory · Computer Science 2014-08-12 Ramoni Adeogun