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122 results for “QOS”
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Research ArticleOpen accessIn the keywordsMULTICAST ROUTING WITH QUALITY OF SERVICE CONSTRAINTS IN THE AD HOC WIRELESS NETWORKSAbdellah Idrissi, Fadoua YakineThe recent multimedia applications and services are very demanding in terms of Quality of Service (QoS). This creates new challenges in ensuring QoS when delivering those services over wireless networks. Motivated by the need of supporting high quality multicast applications in wireless ad hoc networks, we propose a network topology that can minimize the power when connecting the source node … …Journal of Computer Science, Vol. 10, Issue 9 · 30 Apr 2014 · 6,890 accessesView PDFCite
Research ArticleOpen accessIn the keywordsMODULATION IDENTIFICATION AND HAMMING ENCODING TECHNIQUE IMPLEMENTED IN SOFTWARE-DEFINED RADIOS. Ravi, M. Anand, S. Leones Sherwin Vimalraj, V. KannanIn SDR, it is advantageous if the data is transmitted using the best among the various modulation techniques with respect to SNR. The receiver has the ability to automatically identify the modulation technique and demodulate it. This process involves a novel method where a pilot sequence helps in identifying the type of modulation at the receiver. Ten modulation techniques are … …American Journal of Applied Sciences, Vol. 11, Issue 4 · 8 Feb 2014 · 6,888 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEFFECTIVE HEURISTIC ALGORITHM FOR DYNAMIC ROUTING AND BANDWIDTH MANAGEMENT UNDER QUALITY OF SERVICE CONSTRAINTS IN MULTISTAGE INTERCONNECTION NETWORKSR. Deepalakshmi, S. RajaramToday, Internet of Things (IoT) has introduced abundant bandwidth consumption and necessities in multimedia communications from online games to video-conferencing applications with the constraint of QoS requirements from time to time. The expected rapid proliferation of services would require performance unprecedented in the currently available best-effort routing algorithms. In, particular, the present routing mechanisms are based on the best-effort paradigm … …American Journal of Applied Sciences, Vol. 11, Issue 3 · 7 Jan 2014 · 7,138 accessesView PDFCite
Research ArticleOpen accessIn the keywordsCOMPARISON FOR WIMAX SCHEDULING ALGORITHMS AND PROPOSAL QUALITY OF SERVICE IMPROVEMENT IN WIMAX NETWORKSR. Nandhini, N. DevarajanThe objective of the broadband wireless technologies is to ensure the end to end Quality of Service (QoS) for service classes. Wimax is a revolution in wireless networks which could support real time multimedia services. In order to provide QoS support and efficient usage of system resources an intelligent scheduling algorithm is needed. The design of detailed scheduling algorithm is … …American Journal of Applied Sciences, Vol. 11, Issue 1 · 19 Nov 2013 · 7,394 accessesView PDFCite
Research ArticleOpen accessIn the keywordsA CROSS-LAYER SCHEDULER WITH CHANNEL STATE INFORMATION FOR GUARANTEED QUALITY OF SERVICER. Nandhini, N. DevarajanWiMAX networks are deployed for commercial use because of its nature high bandwidth. This requirement invokes the application level changes in QoS provisioning techniques. The objective of the broadband wireless technologies is to ensure the end to end Quality of Service (QoS) for the service classes. WiMAX is a revolution in wireless networks, which could support real time multimedia services. … …Journal of Computer Science, Vol. 10, Issue 2 · 13 Nov 2013 · 6,976 accessesView PDFCite
Research ArticleOpen accessIn the keywordsREDUCING CALL BLOCKING PROBABILITY IN HYBRID MULTICAST WAVELENGTH DIVISION MULTIPLEXING NETWORKS USING WEIGHTED ROUTING AND WAVELENGTH ASSIGNMENT ALGORITHMD. V. Pradeep Sankar, K. MuneeswaranIn the proposed work, the focus is on increasing the available wavelength in the all-optical networks, for which the Routing and Wavelength Assignment plays a vital role. In the earlier reported work, the wavelengths were assigned to the links which covers a set of destinations but not all the intended destinations. However this proposed work, attempts were made to create … …Journal of Computer Science, Vol. 10, Issue 2 · 13 Nov 2013 · 6,849 accessesView PDFCite
Research ArticleOpen accessIn the keywordsA PREEMPTIVE LINK STATE SPANNING TREE SOURCE ROUTING PROTOCOL FOR MOBILE ADHOC NETWORKSPoonkuzhali Ramadoss, Sanavullah Mohamed Yakub, Sabari AnnajiRouting protocol is a central issue in Mobile Adhoc Networks (MANET). Several routing protocols have been proposed to deal with the routing issue in MANETs. Routing is a complex task in MANET, if the network is heavily loaded. In this study a new QoS routing protocol is proposed which provides better path selection by avoiding congestion, balancing the load and … …Journal of Computer Science, Vol. 10, Issue 1 · 12 Nov 2013 · 6,991 accessesView PDFCite
Research ArticleOpen accessIn the keywordsTHROUGHPUT ANALYSIS OF AGGREGATION WITH FRAGMENT RETRANSMISSION PLUS QUALITY OF SERVICE SCHEMETeuku Yuliar Arif, Riri Fitri SariAggregation with Fragment Retransmission (AFR) is a scheme designed for frame transmission to increase efficiency at the MAC layer throughput. AFR provides a higher throughput compare to Distributed Coordination Function (DCF) scheme. However AFR scheme did not has QoS service function when compared to DCF scheme. DCF scheme already has contention-based QoS service using Enhanced Distributed Coordination Function (EDCA) scheme. … …Journal of Computer Science, Vol. 9, Issue 10 · 5 Sep 2013 · 7,319 accessesView PDFCite
Research ArticleOpen accessIn the keywordsQUALITY OF SERVICE AWARE OF CROSS LAYER APPROACH ON ADAPTIVE GATEWAY DISCOVERY SCHEME FOR MOBILE AD HOC NETWORKSK. Palani, P. RamamoorthyThe Quality of Service (QoS) providing in Mobile Ad hoc networks has been obtaining increasing importance, specifically Consider the domains of application for networks in disaster environments and defense ventures, QoS is performing level of a service recommended by the network to the consumer. Mobile Ad hoc Networks (MANET) are necessary because of wireless infrastructure network is complicated to setup … …Journal of Computer Science, Vol. 9, Issue 10 · 5 Sep 2013 · 6,206 accessesView PDFCite
Research ArticleOpen accessIn the keywordsFeasibility of Desktop Virtualization Per Software Services and Local Hardware Based on the Network ThroughputVitor Chaves De Oliveira, Inacio Henrique Yano, Alexandre De Assis Mota, Lia Toledo Moreira MotaIn recent years, virtualization computing has become a worldwide reality present in datacenters servers of most organizations. The motivations for the use of this solution are focused primarily on cost reduction and increases in availability, integrity and security of data. Based on these benefits, recently it was started the use of this technology for personal computers as well. That is, … …Journal of Computer Science, Vol. 9, Issue 7 · 15 Jun 2013 · 6,725 accessesView PDFCite