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  • Performance Analysis of the IEEE 802.15.4 Multi-hop Beacon Enabled Network 

    Hossain, Md. Murad; Paul, Kowshik Brota; Rahman, Md. Mokhlesur; Zaman, Shahid Uz; Sultana, Razia (Daffodil International University, 2007-11-24)
    The beacon enabled mode in the IEEE 802.15.4 networks is essential to power constrained applications. However, the beacon collisions with other beacons or data (control) frames make the multi-hop beacon enabled ...
  • Wideband Rectangular Patch Antenna for Wireless Applications 

    Islam, Md. Nazrul; Yasmine, Farhana; Ismail, Sharif M.; Hasan, Md.Tanvir (Daffodil International University, 2009-02-14)
    This paper describes a new technique for bandwidth enhancement of rectangular patch antenna for wireless communication. The operation frequency range is found from 1863 to 1938 MHz on the basis of the operation frequency ...
  • Web-based Parcel Management System using Mobile Station 

    Khatoon, Tahmina; Anwar, Md. Musfique (Daffodil International University, 2009-02-14)
    In this paper, an attempt is made to modify the concept of parcel management system to cope with modern edge. It is design to meet the needs of those people- who want to go ahead with time and needs the security of their ...
  • VLSI Design Considerations of UWB Microwave Receiver and Design of a 20.1 GHz Low Noise Amplifier for on-Chip Transceiver 

    Rashid, S. M. Shahriar; Ali, Sheikh Nijam; Roy, Apratim; Rashid, A. B. M. H. (Daffodil International University, 2009-02-14)
    The VLSI Design Considerations for the implementation of an UWB Microwave Receiver on silicon chip is presented here. A 20.1 GHz Low Noise Amplifier (LNA) for on-chip Transceiver is designed in TSMC 0.18 μm CMOS Process ...
  • Performance Comparison of M-Ary Modulation Schemes for an Efficient Wireless Communication System with Digital Color Image Transmission 

    Khandokar, Md. Abir Hossain; Rashed, Md. Golam; Yasmin, Rubaiyat; Hasan, Mirza A.F.M Rashidul (Daffodil International University, 2009-02-14)
    In this paper, the performance of M-ary modulations schemes (MPSK, MFSK,MQAM) based wireless communication system on digital color image transmission over Additive Gaussian Noise (AWGN) channel are analyzed in terms of bit ...
  • Path Loss and Fading Effect on the Radio Wave Propagation 

    Hossain, M. Mozaffor (2012-11-19)
    Electromagnetic wave propagation is affected by several factors determined by its path from point to point. This path can be a direct line of sight path or an over-the-horizon path aided by refraction in the ionosphere. ...
  • Optimizing the Handover Procedure in IEEE 802.16e Mobile Wimax Network 

    Hamid, Nafiz Imtiaz Bin; Mahmud, Adnan (Daffodil International University, 2009-02-14)
    The mobile WiMAX bearing the IEEE standard 802.16e-2005 brings wireless broadband to a new dimension due to the support of nomadism. As a result, handover has obviously become a very significant factor in the performance ...
  • Microprocessor based Online Multiple Data Acquisition and Control Scheme 

    Khan, Muhammad Abdul Goffar; Islam, Md. Rabiul; Rahman, Md. Fayzur (Daffodil International University, 2009-02-14)
    A versatile data acquisition scheme is presented in this paper. Non-electrical physical quantities are converted to equivalent analogue signal by using proper sensors and signal conditioning circuits. ADC 0808 is used to ...
  • Facial Pose Interpretation for Human-Robot Symbiosis 

    Bhuiyan, Md. Al-Amin (Daffodil International University, 2009-02-14)
    This paper addresses the issues for the concepts of a vision based facial pose recognition system using knowledge based approach for human-robot symbiosis. The system is based on visual information of the human face and ...
  • Designing and Implementing RFID Technology for Vehicle Tracking in Bangladesh 

    Hossain, Md. Fokhray; Sohel, Mohammad Khaled; Arefin, Ahmed Shamsul (Daffodil International University, 2009-02-14)
    Vehicle tracking has increased in use over the past few years and, based on current trends, this rise should continue. Tracking offers benefits to both private and public sector individuals, allowing for real-time visibility ...
  • Comparative Analysis of Packet Switched Networks Over Circuit-Switched Networks 

    Khandkar, Md. Saidul Alam; Haque, A.K.M Fazlul (Daffodil International University, 2009-02-14)
    The invention of the telephone, circuit-switching has been the dominant technology for voice communication as an analog communication technology and it has remained so well into the digital era. POTS or PSTN uses modems ...
  • A Dense Wavelength Division Multiplexing (DWDM) Optical Network System 

    Rana, Md. Masud; Khan, Muhammad Abdul Goffar (Daffodil International University, 2009-02-14)
    When optical signals are to travel over long distances, the signals tend to fade and spread out. It is necessary to strengthen the signal at intervals. In this paper, a dense wavelength division multiplexing (DWDM) system ...
  • A Binary Tree Structure for Mobile Ad Hoc Network 

    Alam, Mohammad Akter Ul (Daffodil International University, 2009-02-14)
    In a mobile ad hoc (multi-hop) wireless network, the logical structure of a Binary Tree is likely to become volatile or expensive to construct over time due to changeable network topology. Additional adverse effects take ...
  • Wi-Fi Security: The Great Challenge 

    Alam, Muhammed Samsuddoha; Sabah, Shaikh Abir Ahmed Al; Alam, Md. Bodiul; Chowdhury, Ahsan Raja (Daffodil International University, 2007-11-24)
    The popularity of Wi-Fi network has grown spectacularly in the recent years. “Going Wireless” is becoming the mainstream in this regard. Moreover, the costs of the Wi-Fi networking devices have dropped dramatically, which ...
  • TUNABLE PROTOCOL FOR MOBILE AD HOC NETWORK 

    Rahman, M Mahbubur; Layek, Md. Abu (Daffodil International University, 2007-11-24)
    Ad-hoc networks are a new paradigm in wireless communications that is set-up with wireless devices without any fixed infrastructure. Different protocols perform better in different situations. In this paper we conduct ...
  • SIMULATION OF CDMA ENCODING AND DECODING TECHNIQUE CONSIDERING THE EFFECT OF GAUSSIAN NOISE 

    Alam, Md. Jahangir; Zaman, Md. Shahid Uz; Mamun, Md. Abdulla Al; Ahmed, Boshir; Sultana, Razia (Daffodil International University, 2007-11-24)
    An important challenge in wireless system design is the selection of an appropriate multiple-access scheme. Among many multiple access strategies developed so far, CDMA (Code Division Multiple Access) based on IS ...
  • Security Issues of IEEE-802.11 Wireless Networks 

    Islam, Chowdhury Sajadul; Sobhan, M Abdus (Daffodil International University, 2007-11-24)
    This paper focuses on the WiFi infrastructure mode attacks, vulnerabilities and available protections with respect to data confidentiality, integrity, mutual authentication and availability. It summarizes recent ...
  • Security Issues of PHY & MAC Layers in IEEE 802.16 

    Islam, Chowdhury Sajadul; Sobhan, M Abdus; Alam, Zahangir (Daffodil International University, 2007-11-24)
    Different types of threats and vulnerabilities associated with the security of the WiMax/802.16 Broadband Wireless Access (BWA) technology are discussed in this paper. The complementary phases of all the related ...
  • SECURITY ISSUES OF THE INTERNET 

    Sobhan, M. Abdus (Daffodil International University, 2007-11-24)
    This paper presents an overview of the security issues of the Internet. It reviews the security issues and challenges of both the IPv4 (Internet Protocol version 4) and IPv6 (Internet Protocol version 6) protocol stacks, ...
  • ROAD SIGN RECOGNITION 

    Alom, Zahangir; Islam, Sajadul; Alam, Zahangir; Maniruzzaman, M.; Sobhan, Abdus (Daffodil International University, 2007-01-24)
    The paper attempts to construct a system that recognizes road signs in the form of photographs. A classical learning system is created based on prior knowledge on road sign pattern classification. The classifying ...

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