American Journal of Networks and Communications

Archive

Volume 4, Issue 4, August 2015

  • Voice over IP End-to-End Delay Measurements

    Binyam Shiferaw Heyi

    Issue: Volume 4, Issue 4, August 2015
    Pages: 85-89
    Received: 29 May 2015
    Accepted: 27 June 2015
    Published: 8 July 2015
    DOI: 10.11648/j.ajnc.20150404.11
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    Abstract: VoIP refers to a method of transmission of voice data over IP networks rather than using traditional circuit PSTN (Public Switched Telephone Networks ).In this paper the researcher discusses about VoIP, about the design issues of RTP/RTCP (real-time transport/real time control protocol), how to measure packet losses at the sender and receiver side ... Show More
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  • A Novel Hybrid Method for Face Recognition Based on 2d Wavelet and Singular Value Decomposition

    Vahid Haji Hashemi, Abdorreza Alavi Gharahbagh

    Issue: Volume 4, Issue 4, August 2015
    Pages: 90-94
    Received: 15 June 2015
    Accepted: 26 June 2015
    Published: 8 July 2015
    DOI: 10.11648/j.ajnc.20150404.12
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    Abstract: An efficient face recognition system using eigen values of wavelet transform as feature vectors and radial basis function (RBF) neural network as classifier is presented. The face images are decomposed by 2-level two-dimensional (2-D) wavelet transformation.The wavelet coefficients obtained from the wavelet transformation are averaged for finding c... Show More
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  • Dependable Community-Cloud Framework for Smartphones

    Arnold Adimabua Ojugo, Fidelis Obukowho Aghware, Rume Elizabeth Yoro, Mary Oluwatoyin Yerokun, Andrew Okonji Eboka, Christiana Nneamaka Anujeonye, Fidelia Ngozi Efozia

    Issue: Volume 4, Issue 4, August 2015
    Pages: 95-103
    Received: 11 July 2015
    Accepted: 21 July 2015
    Published: 5 August 2015
    DOI: 10.11648/j.ajnc.20150404.13
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    Abstract: Cloud computing enable users to access ubiquitous, on-demand, convenient and shared resource (apps and storage) – as rapidly released by a provider with minimal managed effort. The increased growth of user access to mobile smartphones from 42.5% in 2013 to 78.9% by 2013 and the advent of Androids has made smartphones a preferred choice over PCs due... Show More
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