21 papers · ranked by Valyu relevance
Sundeep Rangan, Theodore S. Rappaport, Elza Erkip
—Millimeter wave (mmW) frequencies between 30 and 300 GHz are a new frontier for cellular communication that offers the promise of orders of magnitude greater bandwidths combined with further gains via beamforming and spatial multiplexing from multi-element antenna arrays. This paper surveys measurements and capacity…
Ramraj Dangi, Praveen Lalwani, Gaurav Choudhary, Ilsun You + 3 more
'Giovanni Pau' 'Alberto Gotta' 'Francisco Falcone'] In wireless communication, Fifth Generation (5G) Technology is a recent generation of mobile networks. In this paper, evaluations in the field of mobile communication technology are presented. In each evolution, multiple challenges were faced that were captured with…
Aqeel Hussain Naqvi, Sungjoon Lim
Owing to the rapid growth in wireless data traffic, millimeter-wave (mm-wave) communications have shown tremendous promise and are considered an attractive technique in fifth-generation (5G) wireless communication systems. However, to design robust communication systems, it is important to understand the channel…
Yutao Yang, Minmin Mao, Junran Xu, Huan Liu + 3 more
'Kaixin Song' 'Shah Nawaz Burokur'] With the rapid evolution of 5G wireless communications, millimeter-wave (mmWave) technology has become a crucial enabler for high-speed, low-latency, and large-scale connectivity. As the critical interface for signal transmission, mmWave antennas directly affect system performance…
Kun Woo Cho, Mohammad Hossein Mazaheri, Jeremy Gummeson, Omid Abari + 1 more
'Kyle Jamieson'] Mobile operators are poised to leverage millimeter wave technology as 5G evolves, but despite efforts to bolster their reliability indoors and outdoors, mmWave links remain vulnerable to blockage by walls, people, and obstacles. Further, there is significant interest in bringing outdoor mmWave coverage…
Ming Xiao, Shahid Mumtaz, Yongming Huang, Linglong Dai + 7 more
'Michail Matthaiou' 'George K. Karagiannidis' 'Emil Björnson' 'Kai Yang' 'I Chih‐Lin' 'Amitabha Ghosh'] Abstract—Millimeter wave (mmWave) communications have recently attracted large research interest, since the huge available bandwidth can potentially lead to rates of multiple Gbps (gigabit per second) per user.…
Weilin Chen
—Backscatter communication is a burgeoning lowpower communication technology that has been introduced into the Internet of Things (IoT) due to its excellent self-sustainability. However, conventional backscatter communication (BackCom) technologies often suffer from insufficient data transmission rates, and are…
Quanda Zhang, Hudi Wang
The future wireless communication system faces the bottleneck of the shortage of traditional spectrum resources and the explosive growth of the demand for wireless services. Millimeter-wave communication with spectral resources has become an effective choice for the next generation of wireless broadband cellular…
Khaled M. Morshed, Debabrata K. Karmokar, Karu P. Esselle, Ladislau Matekovits + 2 more
'Ladislau Matekovits' 'Agnese Mazzinghi' 'Federico Puggelli'] Beam-switching is one of the paramount focuses of 28 GHz millimeter-wave 5G devices. In this paper, a one-dimensional (1D) pattern reconfigurable leaky-wave antenna (LWA) was investigated and developed for wireless terminals. In order to provide a…
P. Nagaraj
Substantial growth of demand for mobile data and rapidly increasing spread of personal communication devices such as smart phones and tablets is the major challenge faced by the mobile service providers in recent years. The allotted spectrum for the currently operating mobile communication systems have been saturated…
Josep M. Jornet, Edward W. Knightly, Daniel M. Mittleman
The field of sub-terahertz wireless communications is advancing rapidly, with major research efforts ramping up around the globe. To address some of the significant hurdles associated with exploiting these high frequencies for broadband and secure networking, systems will require extensive new capabilities for sensing…
Jalal Khan, Sadiq Ullah, Usman Ali, Farooq Ahmad Tahir + 2 more
'Ildiko Peter' 'Ladislau Matekovits'] This paper presents a design of multiple input multiple output (MIMO) antenna array for 5G millimeter-wave (mm-wave) communication systems. The proposed MIMO configuration consists of a two antenna arrays combination. Each antenna array consists of four elements which are arranged…
Munsu Jeon, Yejune Seo, Junghyun Cho, Changhyeong Lee + 5 more
'Yejin Lee' 'Hyung-Wook Kwon' 'Sungtek Kahng' 'Ángela María Coves Soler'] In this paper, an intuitive approach to assessing advantages of beamforming in 5G wireless communication is proposed as a novel try and practical demonstration of importance of alignment between the transmitter’s and receiver’s beams working in…
Ahmed A. Ibrahim, Syed Muzahir Abbas
The rapid growth of wireless communication systems has led to high demand for the design of microwave/millimeter components with multiband characteristics, high performance, and ease of integration with other devices [1,2,3]. Recently, 5G wireless communication networks have started to stimulate the development of…
Sunghoon Rho, Garrett Knuf, Atharv Naik, KunHyung Roh + 6 more
Miniaturized implantable bioelectronics offer breakthrough potential in disease treatment, biomarker monitoring, and physiological sensing. However, wireless power transfer (WPT) remains a central limitation for millimeter-scale devices, as scaling down the receiver size rapidly decreases coupling efficiency due to…
suraj Manikandan, Jens Andreasen
This preprint has been retracted at the authors' request because of recently discovered fundamental errors and misrepresentation in the underlying data.This communication introduces a Ka-band phase shifter that leverages a blend of the donor polymer PM6 and non-fullerene acceptor (NFA) Y7 organic materials. The design…
S. Romanenko, A. R. Harvey, L Hool, R. Begley + 2 more
Due to new applications such as wireless communications, security scanning, and imaging the presence of artificially generated high frequency (30-300 GHz) millimetre-wave (MMW) signals in the environment is increasing. Although safe exposure levels have been set by studies involving direct thermal damage to tissue…
Andreas Christ, Adrian Aeschbacher, Bernadetta Tarigan, Ninad Chitnis + 4 more
In the recently revised guidelines for electromagnetic safety, basic restrictions expressed in terms of the absorbed power density (APD) at frequencies higher than 6 GHz were introduced. Testing for APD compliance of wireless devices requires experimental and numerical body models or phantoms that conservatively…
Ji Wan, Zhongyi Nie, Jie Xu, Zixuan Zhang + 14 more
Implantable sensors can directly interface with various organs for precise evaluation of health status. However, extracting signals from such sensors must rely on transcutaneous wires, integrated circuit chips, or cumbersome readout equipment, which increases the risks of infection, reduces the biocompatibility, or…
Hiroaki Ono, Kiyomi Ishikawa, Ayaka Wataki, Shoko Fujino + 1 more
Animals flexibly adapt to internal and external environmental changes by utilizing energy produced from oxygen as fuel. By non-invasively monitoring an animal’s oxygen consumption, it becomes possible to understand an individual’s metabolic state. Calorimeters are known for directly measuring oxygen consumption but…
Amanda Wickens, Benjamin Avants, Nishant Verma, Eric Lewis + 8 more
A fundamental challenge for bioelectronics is to deliver power to miniature devices inside the body. Wires are common failure points and limit device placement. Wireless power by electromagnetic or ultrasound waves must overcome absorption by the body and impedance mismatches between air, bone, and tissue. Magnetic…