Recent Submissions

  • 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 ...
  • 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 ...
  • Reduction of Packet Delay and Performance Analysis of Ethernet Passive Optical Network 

    Hossen, Monir; Faruq, Md. Akhtar Omar; Rahman, Md. Masiur (Daffodil International University, 2007-11-24)
    In recent years data traffic is increasing at an unprecedented rate, but little has changed in the access network. This tremendous growth of internet traffic has accentuated the aggravating lag of access network capacity. ...
  • Reduction of Channel Noise and Multipath Effect by Antenna Diversity 

    Islam, Sajadul; Alom, Zahangir; Alam, Zahangir; Maniruzzaman, M.; Sobhan, Abdus (Daffodil International University, 2007-01-24)
    The bit error performance of wireless communication is highly influenced by Channel noise and multi-path propagation. In this paper, the authors examine the complexity associate with Siavash M. Alamouti Transmitter ...
  • REAL TIME IMPLEMENTATION OF CDMA ENCODING-DECODING BY TMS320C50 DSP KIT 

    Alam, Md. Jahangir; Zaman, Md. Shahid Uz; Mamun, Md. Abdulla Al; Hossain, Md. Murad; Sultana, Razia (Daffodil International University, 2007-11-24)
    The steadily decreasing cost of wireless communications and its growing development have resulted in its increased popularity. But the drawback here is to limited bandwidth of transmission medium and multipath ...
  • QoS Issues of Applying PNRP in a MANET 

    Islam, Chowdhury Sajadul; Hossain, S.; Alam, Zahangir; Sobhan, M Abdus (Daffodil International University, 2007-11-24)
    Appropriate to the distinctive of Mobile Ad hoc Network (MANET), most of the existing Non-Repudiation (NR) protocols cannot work properly due to inadequate resources, not having central authority. To assure electronic ...
  • POWER CONTROL ALGORITHM FOR WCDMA 

    Siddiqua, Poppy; Ahmed, Shamim; Hasan, Md. Shariful; Aditya, Subrata Kumar (Daffodil International University, 2007-11-24)
    In this paper an iterative technique for sequential mobile power updates in 3G WCDMA networks based on Relaxation Method has been presented. The obtained algorithm is distributed and has the same complexity as the ...
  • Performance Analysis of Upstream Traffic Using TDM Based Ethernet Passive Optical Network 

    Hossen, Monir; Faruq, Md. Akhtar Omar; Rahman, Md. Masiur (Daffodil International University, 2007-11-24)
    As Ethernet PON (EPON) systems move into mass deployment, Service Providers have begun in earnest to explore the utility of this technology for delivering services other than besteffort Ethernet transport PON may be ...
  • Performance Analysis of AFS-MDFE with ADG and TD Algorithm for the Equalization in Optical Communications 

    Rahman, M. Mahbubur; Rahman, M. Mahbubur; Mahmud, Tarek Hasan-al (Daffodil International University, 2007-11-24)
    Fiber optics is one of the highest bandwidth communication channel types in the current communication industry. The paper is to analyze a typical optical channel and perform channel equalization using an adaptive ...
  • INTERNET AND INTRANET CONNECTIVITY THROUGH WIRELESS LOCAL AREA NETWORK (WLAN) 

    Bhuyan, Muhibul Haque; Ali, Md. Omar; Ahmed, Ikhtiar Uddin (Daffodil International University, 2007-11-24)
    There is an increasing demand for newer Wireless Local Area Network (WLAN) systems to meet the emerging data communication challenges with respect to reliability, performance and cost. The wired networks have some ...
  • Future Telecom Regulatory Issues 

    Islam, Chowdhury Sajadul; Sobhan, M Abdus; Alam, Zahangir (Daffodil International University, 2007-11-24)
    This paper conceptualizes the Future Generation or Next Generation Internet (FGI/NGI), which all are IP-based multi-purpose networks, and are driving the changes in the way, the basic telecommunication services are ...
  • Enhanced Security Scheme For IEEE 802.11 Over Wired Equivalent Privacy 

    Hossain, Md. Faroque; Afrin, Sadia; Rahman, M. Lutfar (2007-11-24)
    The security of IEEE 802.11 Wireless LAN (WLAN) is becoming a bottleneck for its further applications. At present, many standard organizations and manufacturers of IEEE 802.11 WLAN are trying to solve this problem. The ...
  • ENERGY CONSUMPTION STUDY OF OLSR AND DYMO MANET ROUTING PROTOCOLS IN URBAN AREA 

    Muktadir, Abu Hena Al (Daffodil International University, 2007-11-24)
    The main task of Mobile Ad Hoc Network (MANET) routing protocols is to transfer data between communicating parties successfully and without error. MANET Routing devices are battery operated. Besides good performance, ...
  • SECURED INFORMATION SCHEDULING WITH HUMAN COMPUTER INTERACTION AND VISUAL AIDS 

    Arefin, Ahmed Shamsul; Farhad, Yasin Al; Rahaman, Khandakar Ashiqur (Daffodil International University, 2007-11-24)
    This paper presents an innovative concept and implementation of information scheduling using web based interactive communication. We have used academic class information scheduling in this purpose but its scope and ...

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