Results 41 to 50 of about 4,551,190 (318)
Design and control of a bidirectional wireless charging system using GaN devices [PDF]
, 2019 Most of the existing wireless power transfer system works in unidirectional with one-direction control signals. This paper presents a bidirectional wireless charging system with duplex communication method, which is not only able to achieve the two-way ...
Gu, Bowen +4 more
core +2 more sources
Wireless actuation of bulk acoustic modes in micromechanical resonators [PDF]
, 2016 We report wireless actuation of a Lamb wave micromechanical resonator from a distance of over 1 m with an efficiency of over 15%. Wireless actuation of conventional micromechanical resonators can have broad impact in a number of applications from ...
Brown, Benjamin +3 more
core +1 more source
An Agile Multi-Node Multi-Antenna Wireless Channel Sounding System
IEEE Access, 2019 The upcoming fifth-generation wireless technology application areas bring new communication performance requirements, mainly in terms of reliability and latency, but also in terms of radio planning, where the further detailed characterization of the ...
Dereje Assefa Wassie +6 more
doaj +1 more source
A comprehensive survey of wireless body area networks on PHY, MAC, and network layers solutions [PDF]
, 2012 Recent advances in microelectronics and integrated circuits, system-on-chip design, wireless communication and intelligent low-power sensors have allowed the realization of a Wireless Body Area Network (WBAN).
Blondia, Chris +8 more
core +2 more sources
Energy-efficient wireless communication [PDF]
, 2000 In this chapter we present an energy-efficient highly adaptive network interface architecture and a novel data link layer protocol for wireless networks that provides Quality of Service (QoS) support for diverse traffic types.
Havinga, Paul Johannes Mattheus
core +6 more sources
Mobility-Aware Resource Assignment to IoT Applications in Long-Range Wide Area Networks
IEEE Access, 2020 The long-range wide area network (LoRaWAN) has recently emerged as one of the most potential technologies for the mobile Internet of Things (IoT) applications.
Arshad Farhad +4 more
doaj +1 more source
Wireless antennas - making wireless communications perform like wireline communications
Proceedings of the 16th International Symposium on Power Semiconductor Devices & IC's, 2004 We first provide an overview of some of the latest developments in wireless communications using multiple transmitters and multiple receivers. We point out the importance of SNR control in fast random fading environments. For applications where large antenna arrays are not suitable, we introduce the concept of wireless antennas or wireless relays that ...
Hua, Yingbo, Mei, Yan, Chang, Yu
openaire +2 more sources
Crystals, 2023 A frequency magnetically tunable perfect absorber based on graphene in the terahertz (THz) region is proposed. The performance is analysed using the 4 × 4 transfer matrix method, demonstrating that the perfect absorption frequency of the proposed ...
Zhenyan Wei, Yannan Jiang, Jiao Wang
doaj +1 more source
Optimal transport on wireless networks [PDF]
, 2007 We present a study of the application of a variant of a recently introduced heuristic algorithm for the optimization of transport routes on complex networks to the problem of finding the optimal routes of communication between nodes on wireless networks.
B Danila +14 more
core +3 more sources
Enhanced LoRaWAN Adaptive Data Rate for Mobile Internet of Things Devices
Sensors, 2020 A long-range wide area network (LoRaWAN) is one of the leading communication technologies for Internet of Things (IoT) applications. In order to fulfill the IoT-enabled application requirements, LoRaWAN employs an adaptive data rate (ADR) mechanism at ...
Arshad Farhad +3 more
doaj +1 more source