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Browsing Computer Science & Communications by Title

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  • 3 - 10 GHz Ultra-Wideband Low-Noise Amplifier Using Inductive-Series Peaking Technique with Cascode Common-Source Circuit 
    Wu, Chia-Song; Lin, Tah-Yeong; Chang, Chien-Huang; Wu, Hsien-Ming (Scientific Research Publishing, 2011-10)
    The objective of this paper is to investigate a ultra-wideband (UWB) low noise amplifier (LNA) by utilizing a two-stage cascade circuit schematic associated with inductive-series peaking technique, which can improve the ...
  • Ad Hoc Network Hybrid Management Protocol Based on Genetic Classifiers 
    Garzia, Fabio; Perna, Cristina; Cusani, Roberto (Scientific Research Publishing, 2010-10)
    The purpose of this paper is to solve the problem of Ad Hoc network routing protocol using a Genetic Algorithm based approach. In particular, the greater reliability and efficiency, in term of duration of communication ...
  • Address Resolution Protocol (ARP): Spoofing Attack and Proposed Defense 
    Al Sukkar, Ghazi; Saifan, Ramzi; Khwaldeh, Sufian; Maqableh, Mahmoud; Jafar, Iyad (Scientific Research Publishing, 2016-07)
    Networks have become an integral part of today’s world. The ease of deployment, low-cost and high data rates have contributed significantly to their popularity. There are many protocols that are tailored to ease the process ...
  • Advances in Intrusion Detection System for WLAN 
    Kaur, Ravneet (Scientific Research Publishing, 2011-08)
    A wireless network is not as secure as compare the wired network because the data is transferred on air so any intruder can use hacking techniques to access that data. Indeed it is difficult to protect the data and provide ...
  • Analysis of Geo Positioning System Using RF & DA 
    Kohli, Jaspreet K.; Potgantwar, Amol (Scientific Research Publishing, 2016-04)
    Indoor positioning systems (IPSs) have been intended to provide position information of persons and devices. Higher user percentage of handheld devices such as tablets or mobile phones had led to the development of a number ...
  • Aperture Coupled Microstrip Antenna for Dual-Band 
    Vishwakarma, Rajesh K.; Tiwari, Sanjay (Scientific Research Publishing, 2011-04)
    This paper presents air gap aperture coupled microstrip antenna for dual-band operation over the frequency range of (2.9 to 6.0 GHz). This antenna differs from any other microstrip antenna with their feeding structure of ...
  • Bandwidth Enhancement and Size Reduction of Microstrip Patch Antenna by Magnetoinductive Waveguide Loading 
    Joshi, Jayant G.; Pattnaik, Shyam S.; Devi, Swapna; Lohokare, Mohan R. (Scientific Research Publishing, 2011-01)
    A planar magnetoinductive (MI) waveguide loaded rectangular microstrip patch antenna is presented and discussed. The MI waveguide consists of two planar metamaterial split squared ring resonators (SSRRs) placed in between ...
  • Based on Adaptive Backstepping Error Control for Permanent Magnet Synchronous Motor 
    Jiang, Hua; Lin, Da; Liu, Yongchun; Song, Hong (Scientific Research Publishing, 2016-05)
    Permanent Magnet Synchronous Motor (PMSM) displays chaotic phenomenon when PMSM in power on or power off. At present, there are many methods to control chaos in PMSM. However, there appears oscillation in course of control ...
  • Capacitive Model and S-Parameters of Double-Pole Four-Throw Double-Gate RF CMOS Switch 
    Srivastava, Viranjay M.; Yadav, Kalyan S.; Singh, Ghanashyam (Scientific Research Publishing, 2011-01)
    In this paper, we have analyzed the Double-Pole Four-Throw Double-Gate Radio-Frequency Complementary Metal-Oxide-Semiconductor (DP4T DG RF CMOS) switch using S-parameters for 1 GHz to 60 GHz of frequency range. DP4T DG RF ...
  • Cloud Computing Solution and Services for RFID Based Supply Chain Management 
    Jamal, S. M. Khalid; Omer, A.; Qureshi, Asiya A. S. (Scientific Research Publishing, 2013-09)
    Deploying and Implementing RFID Systems for tracking and controlling products in supply chain management is not affordable for small and midsized companies due to its complexity, cost, and difficulties pertaining data ...
  • Cognitive Radio Sensing Using Hilbert Huang Transform 
    Narayanankutty, K. A.; A. Nair, Abhijith; Soori, Dilip; Pradeep, Deepak; Teja, V. Ravi; K.B., Vishnu (Scientific Research Publishing, 2010-07)
    Vast segments of the frequency spectrum are reserved for primary (licensed) users. These legacy users often un-der-utilize their reserved spectrum thus causing bandwidth waste. The unlicensed (secondary) users can take ...
  • Comparison of Indoor Localization Systems Based on Wireless Communications 
    Dalce, Rejane; Val, Thierry; Bossche, Adrien V. (Scientific Research Publishing, 2011-10)
    Localization using a Wireless Sensor Network (WSN) has become a field of interest for researchers in the past years. This information is expected to aid in routing, systems maintenance and health monitoring. For example, ...
  • A Comprehensive Parametric Study of Planar Inverted-F Antenna 
    Chattha, Hassan T.; Huang, Yi; Ishfaq, Muhammad K.; Boyes, Stephen J. (Scientific Research Publishing, 2012-01)
    This paper presents a comprehensive numerical and experimental study of Planar Inverted-F Antennas (PIFA) involving all the parameters which may affect the characteristics of PIFA. It is found that PIFA characteristics are ...
  • Design of a Low Loss RF Mixer in Ku-Band (12 - 18 GHz) 
    Shah, Sanjeev K.; Chauhan, Rudra P.; Singh, Sanjay; Pandey, Lalit; Singh, Sandeep (Scientific Research Publishing, 2012-01)
    The goal of this paper is to design and develop low conversion loss mixers at Ku Band (12 - 18 GHz) in microstrip line configuration. The Ku-band (Kurtz-under band) is primarily used for satellite Communications, particularly ...
  • Design of an Acoustic Communication System Based on FHMA for Multiple Underwater Vehicles 
    Zhao, Zixin; Guo, Shuxiang (Scientific Research Publishing, 2010-07)
    This paper designs an underwater acoustic communication system based on tamed spread spectrum and Frequency Hopping Multiple Access (FHMA) for multiple underwater vehicles. In this system, multiple underwater vehicles can ...
  • Design of Aperture Coupled Microstrip Antenna Using Radial Basis Function Networks 
    Bose, Tanushree; Gupta, Nisha (Scientific Research Publishing, 2010-10)
    This paper, two Artificial Neural Network (ANN) models using radial basis function (RBF) nets are developed for the design of Aperture Coupled Microstrip Antennas (ACMSA) for different number of design parameters. The ...
  • Design of Low Power and High Speed CMOS Comparator for A/D Converter Application 
    Yewale, Shubhara; Gamad, Radheshyam (Scientific Research Publishing, 2012-04)
    This paper presents an improved method for design of CMOS comparator based on a preamplifier-latch circuit driven by a clock. Design is intended to be implemented in Sigma-delta Analog-to-Digital Converter (ADC). The main ...
  • Effect of Changes in Sea-Surface State on Statistical Characteristics of Sea Clutter with X-Band Radar 
    Ishii, Seishiro; Sayama, Syuji; Mizutani, Koichi (Scientific Research Publishing, 2011-07)
    We have made observations of X-band radar sea clutter from the sea surface and sea-surface state in the Uraga Suido Traffic Route, which is used by ships entering and leaving Tokyo Bay, and the nearby Daini Kaiho Sea ...
  • The Effect of Queuing Mechanisms First in First out (FIFO), Priority Queuing (PQ) and Weighted Fair Queuing (WFQ) on Network’s Routers and Applications 
    Mustafa, Mustafa E. G.; Talab, Samani A. (Scientific Research Publishing, 2016-05)
    The paper presents the simulation results of the comparison of three Queuing Mechanisms, First in First out (FIFO), Priority Queuing (PQ), and Weighted Fair Queuing (WFQ). Depending on their effects on the network’s Routers, ...
  • An Efficient Method to Reduce the Numerical Dispersion in the HIE-FDTD Scheme 
    Chen, Juan; Zhang, Anxue (Scientific Research Publishing, 2011-01)
    A parameter optimized approach for reducing the numerical dispersion of the 3-D hybrid implicit-explicit finite-difference time-domain (HIE-FDTD) is presented in this letter. By adding a parameter into the HIE-FDTD formulas, ...

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