Results 31 to 40 of about 182,130 (224)

A USRP-Based Multi-Antenna Testbed for Reception of Multi-Site Cellular Signals

IEEE Access, 2019
This paper presents a design of a Software Defined Radio (SDR) multi-antenna testbed able to record live cellular signals from multiple sites. This measurement setup based on Universal Software Radio Peripheral (USRP) boards, is used to record live Long ...
Tomasz Izydorczyk, Fernando M. L. Tavares, Gilberto Berardinelli, Preben Mogensen   +3 more
doaj   +1 more source

Recent Progress on 2D‐Material‐Based Smart Textiles: Materials, Methods, and Multifunctionality

Advanced Engineering Materials, EarlyView.
Advancements in 2D‐material‐integrated smart textiles are reviewed, with a focus on materials, fabrication methods, and multifunctional applications, including energy harvesting, monitoring, EMI shielding, energy storage, and thermal management. The discussion addresses key challenges and provides insights into the future development of next‐generation
Yong Choi, Jiheon Kim, Jaemin Lee, Xinqi Chen, Byungseok Seo, Wonjoon Choi   +5 more
wiley   +1 more source

A Scalable and Cooperative MAC Protocol for Control Channel Access in VANETs

IEEE Access, 2017
In this paper, a scalable and cooperative medium access control (MAC) protocol (SCMAC) is proposed to support the periodic beaconing over the control channel in vehicular ad hoc networks.
Yi Cao, Haixia Zhang, Xiaotian Zhou, Dongfeng Yuan   +3 more
doaj   +1 more source

Achieving High UAV Uplink Throughput by Using Beamforming on Board

IEEE Access, 2020
High-throughput unmanned aerial vehicle (UAV) communication may unleash the true potential of novel applications for aerial vehicles but also represents a threat for cellular networks due to the high levels of generated interference.
Tomasz Izydorczyk, Gilberto Berardinelli, Preben Mogensen, Michel Massanet Ginard, Jeroen Wigard, Istvan Z. Kovacs   +5 more
doaj   +1 more source

Adaptive Power Management for Wireless Base Station in Smart Grid Environment [PDF]

, 2014
The growing concerns of a global environmental change raises a revolution on the way of utilizing energy. In wireless industry, green wireless communications has recently gained increasing attention and is expected to play a major role in reduction of electrical power consumption.
arxiv   +1 more source

Electrically Insulating Electromagnetic Interference Shielding Materials: A Perspective

Advanced Functional Materials, EarlyView.
Developing electromagnetic interference (EMI) shielding materials with inherent electrical insulation and high EMI shielding effectiveness is challenging but important for electronic applications. This perspective summarizes the recent advancements in designing electrically insulating EMI shielding materials and discusses the underlying mechanisms of ...
Ji Liu, Valeria Nicolosi
wiley   +1 more source

SWORD: Towards a Soft and Open Radio Design for Rapid Development, Profiling, Validation and Testing

IEEE Access, 2019
The vision, as we move to future wireless communication systems, embraces diverse qualities targeting significant enhancements from the spectrum, to user experience.
Georgios Georgis, Marcin Filo, Alexios Thanos, Christopher Husmann, J. C. De Luna Ducoing, Rahim Tafazolli, Konstantinos Nikitopoulos   +6 more
doaj   +1 more source

Wireless Powered Communication: Opportunities and Challenges [PDF]

, 2014
The performance of wireless communication is fundamentally constrained by the limited battery life of wireless devices, whose operations are frequently disrupted due to the need of manual battery replacement/recharging. The recent advance in radio frequency (RF) enabled wireless energy transfer (WET) technology provides an attractive solution named ...
arxiv   +1 more source

Radio technologies for environment-aware wireless communications [PDF]

arXiv, 2022
In this paper, we critically review the potential of today's terrestrial wireless communication systems including wireless cellular technologies (GSM, UMTS, LTE, NR), wireless local area networks (WLANs), and wireless sensor networks (WSNs), for estimating channel state information (CSI), the ratio between training and information symbols and the rate ...
arxiv  

Environmentally Stable and Highly Crystalline MXenes for Multispectral Electromagnetic Shielding up to Millimeter Waves

Advanced Functional Materials, EarlyView.
This study presents excellent EMI shielding effectiveness of highly crystalline HC‐Ti3C2Tx MXene, characterized by high electrical conductivity, outstanding environmental stability, and facile processability, across a multispectral frequency range from 100 kHz to 110 GHz. It is revealed that increasing the thickness and electrical conductivity of MXene
Aamir Iqbal, Jisung Kwon, Tufail Hassan, Sang Woon Park, Won‐Hee Lee, Jung‐Min Oh, Junpyo Hong, Juyun Lee, Shabbir Madad Naqvi, Ujala Zafar, Seon Joon Kim, Jong Hyuk Park, Myung‐Ki Kim, Chong Min Koo   +13 more
wiley   +1 more source