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Design and Realization of Wireless System of National Engineering and Technology Library

Ye-Yang ZHANG, Lin MU, Yang HAN
2020 DEStech Transactions on Social Science Education and Human Science  
with the latest achievements of wireless technology development, the wireless network of the National Engineering and Technology Library has been redesigned and constructed.  ...  Based on the needs of the wireless system of the National Engineering and Technology Library, according to the latest requirements of the Cyber Security Law of the People's Republic of China, and combined  ...  Acknowledgment This work was supported by a grant from Institute of Scientific and Technical Information of China. The authors would like to thank Yang Han for excellent technical support.  ... 
doi:10.12783/dtssehs/icesd2020/34512 fatcat:dsx454bcnfb6faafnxvldj2piq

Differential Cross-Polarized Wireless Communications

Siamack Ghadimi
2019 Wireless Engineering and Technology  
The method uses a linear cross-polarized antenna, for example, a vertical and horizontal polarized antenna, improving performance and power efficiency of wireless communications.  ...  This solution is simple, compact and does not require any bandwidth expansion.  ...  To this end, consider a wireless transceiver system, each one with a linear cross-polarized antenna, e.g. vertical (V) and horizontal (H) polarized antennas, as Figure 1 shows.  ... 
doi:10.4236/wet.2019.102003 fatcat:j4fiqsnwjnc4rbdp4oenp75dsa

State Estimation over Customized Wireless Network

Sayed Vahid Naghavi, Ali Azami, Freidoon Shabaninia
2012 Wireless Engineering and Technology  
In order to deal with these problems the customized wireless network architecture is proposed for this Wireless Networked Control System (WNCS) and the problem of transmission delays and packet losses  ...  The feedback control over wireless networks includes limited bandwidth, time-varying and unknown delays with a high probability of data loss.  ...  But their technologies differ in the way user sharing the common resource. In our case the sensors are timedriven and the sampling time is constant.  ... 
doi:10.4236/wet.2012.34032 fatcat:gg56dq67lfepbhiylsvkmcpxlm

E-Governance in Rural India: Need of Broadband Connectivity Using Wireless Technology

Kalpana Chaudhari, Upena Dalal, Rakesh Jha
2011 Wireless Engineering and Technology  
This paper aims to explore the nature, role and relevance of the Electronic/Digital Governance using ICTs and wireless technologies for agriculture and rural development in the rural regions.  ...  It focuses on development of the model using ICTs/wireless technologies for e-governance of Jalgaon district in Maharashtra state, India.  ...  and Communication Technologies (ICTs)/ wireless technologies for its economic development.  ... 
doi:10.4236/wet.2011.23029 fatcat:jk7kplzfcfdz5lbuyh3jh6g6ru

Rain Attenuation at Terahertz

S. Ishii
2010 Wireless Engineering and Technology  
Rain attenuation values were calculated using empirical raindrop-size distributions, which were, Marshall-Palmer (M-P), Best, Polyakova-Shifrin (P-S) and Weibull raindrop-size distributions, and also calculated  ...  Introduction Recent advances in electronic and electro-optical Terahertz devices, and improvements in system technology, have stimulated in imaging and sensing applications in the security and non-destructive  ...  M-P stands for Marshall and Palmer, P-S stands for Polyakva and Shifrin. Best, Weibull and ITU-R used the same name.  ... 
doi:10.4236/wet.2010.12014 fatcat:qerrv3sdxzba5apw6d4c72fghi

Wireless Power Transmission with Short and Long Range Using Inductive Coil

Manish Bhardwaj, Anil Ahlawat
2018 Wireless Engineering and Technology  
There are separate techniques proposed for shorter and more separate power transmission: Inductive coupling, resonant inductive coupling and air ionization for short separations; microwave and Laser transmission  ...  Common wireless power transmission is a point-to-point control transmission. It was demonstrated that the power transmission effectiveness could approach near 100%.  ...  Ahlawat DOI: 10.4236/wet.2018.91001 8 Wireless Engineering and Technology  ... 
doi:10.4236/wet.2018.91001 fatcat:uxkf7rc74naytpye7bvptpsf3u

Energy-Efficient and Coverage-Aware Clustering in Wireless Sensor Networks

Fahed Awad, Eyad Taqieddin, Asmaa Seyam
2012 Wireless Engineering and Technology  
Energy efficiency and sensing coverage are essential metrics for enhancing the lifetime and the utilization of wireless sensor networks.  ...  This paper proposes a general framework that addresses both metrics for clustering algorithms in wireless sensor networks.  ...  Introduction Wireless Sensor Networks (WSNs) are considered among the most interesting technologies in the field of communication and networking.  ... 
doi:10.4236/wet.2012.33021 fatcat:jds4riisdva5zhmgvb23kmez6u

FBMC vs OFDM Waveform Contenders for 5G Wireless Communication System

Parnika Kansal, Ashok Kumar Shankhwar
2017 Wireless Engineering and Technology  
The multicarrier transmission techniques have been the most beguiling one for the development of wireless communication systems like 4G, Long Term evolution and now the successor 5G.  ...  For 5G or fifth generation wireless communication, Orthogonal Frequency Division Multiplexing (OFDM) and Filter Bank Multi carrier modulation (FBMC) are the dominant waveform contenders.  ...  Furthermore, the CP employed is chastely redundant in terms Wireless Engineering and Technology of information and significantly diminishes the bandwidth efficiency.  ... 
doi:10.4236/wet.2017.84005 fatcat:a34nqiuud5f7jl3o2dk5ybrlfe

Reconfigurable Microstrip Double-Dipole Antennas for Personal Wireless Communications

Abdelnasser Eldek, Abubaker Abdallah, Mahmoud Manzoul
2011 Wireless Engineering and Technology  
In this paper, a number of reconfigurable antennas are designed to support multiband and wideband wireless applications in different frequency bands in the range between 1 GHz and 6 GHz.  ...  Two modes are supported by all of the proposed antennas: Multiband and Broadband modes.  ...  Microstrip antennas are attractive candidates for reconfigurable antenna technology because of their inherent low profile, light weight, low cost, and ease of fabrication and installation [2, [6] [7]  ... 
doi:10.4236/wet.2011.22009 fatcat:kbg5ionko5cyroitven2mpdkem

Compact Wideband Rectangular Monopole Antenna for Wireless Applications

S. M. Naveen, R. M. Vani, P. V. Hunagund
2012 Wireless Engineering and Technology  
The bandwidth, radiation pattern and other antenna parameters are at acceptable level. IE3D method of moments based simulation software is used for design and analysis.  ...  The simulated results are confirmed by conducting experiments with the help of Rohde and Schwarz, German make ZVK model No. 8651 Vector Network Analyzer and discussed.  ...  However, the technologies for wireless communication still need to be improved further to satisfy the higher resolution and higher data rate requirements.  ... 
doi:10.4236/wet.2012.34034 fatcat:uwk23soyhfbj5palkrqjt4suly

Managing Energy Consumption of Wireless Sensors Networks in Multiple Greenhouses

Haythem Alhumud, Mohammed Zohdy
2018 Wireless Engineering and Technology  
Our results showed that enhanced energy consumption and improved network lifetime compared to ordinary WSN. 12 Wireless Engineering and Technology [4].  ...  However, implementation of wireless sensor networks (WSNs) is still needed for investigation.  ...  Acknowledgements Many thanks to professor Zohdy and all of my committee members, whose served me with my research to be accomplished.  ... 
doi:10.4236/wet.2018.92002 fatcat:tfxqdxj55rbu3dnvdr5il6frsa

Plus Shape Slotted Fractal Antenna for Wireless Applications

S. Jagadeesha, R. M. Vani, P. V. Hunagund
2012 Wireless Engineering and Technology  
Fractal antennas are characterized by space filling and self-similarity properties which results in considerable size reduction and multiband operation as compared to conventional microstrip antenna.  ...  The plus shaped fractal antenna has been designed on a substrate of dielectric constant € r = 4.4 and thickness 1.6 mm.  ...  The development of fractal geometry came largely from an in depth study of the pattern nature, with the advance of wireless communication system and their increasing importance wide band and low profile  ... 
doi:10.4236/wet.2012.33025 fatcat:sp2co2fiyvdc7mdxlvxgdjfypi

Wireless Network Security Fundamentals and Technologies

2017 International Journal of Recent Trends in Engineering and Research  
In this paper we will discuss few of the security technologies developed to provide security for wireless networks.  ...  With the growing reliance on e-commerce, wireless network based services and the internet; enterprises are faced with an ever increasing responsibility to protect their systems from attack.  ...  WIRELESS NETWORK SECURITY TECHNOLOGIES Vendors are doing a good job of improving security features, and users are getting an understanding of wireless security.  ... 
doi:10.23883/ijrter.2017.3167.inazm fatcat:kvletcsjj5bcfbd3cfiouiiczy

An Investigation of Wideband Rectennas for Wireless Energy Harvesting

Jing-Wei Zhang, Yi Huang, Ping Cao
2014 Wireless Engineering and Technology  
This new wideband rectenna has great potential to harvest wireless energy in GSM/3G/4G and ISM 2.4 GHz bands.  ...  This paper is focused on a wireless energy harvesting system using a rectifying antenna (rectenna).  ...  Introduction With the rapid progress of wireless communications, there have been many wireless systems developed and installed in our cities.  ... 
doi:10.4236/wet.2014.54012 fatcat:z5ja74twfjbxtd34dfledskota

Wireless Infrared Pyrometer with Fiber Optic: Construction and Processing Algorithms

Igor Ya. Orlov, Igor A. Nikiforov, Alexander V. Afanasjev
2014 Wireless Engineering and Technology  
A data processing algorithm based on the methods of synchronous detection providing accuracy <0.1˚C within the range of 10˚C -50˚C and with time constant of 1 sec was developed.  ...  In this paper, developed wireless portable infrared pyrometer with dual channel fiber optic is described. The pyrometer measures surface temperature in wide infrared spectral range of 2 -25 um.  ...  of the wireless portable IR pyrometer with fiber optic.  ... 
doi:10.4236/wet.2014.52004 fatcat:ok7o7oejvras3ct3tebvli2wm4
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