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17 articles for “V. Ramachandran”
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Research ArticleOpen accessIn the author namesCluster Based Architecture for Cognitive Radio NetworkManoj Ramachandran, Harish Sheeranalli Venkatarama, Sandesh HebbarCatastrophic events like flood often result in the derangement of the communication networks. The consequences include difficulty in locating the survivors of the disaster. The purpose of this paper is to give an insight to the design and development of a Cognitive Radio Network that can be used as an immediate remedy communication network which can help in such situations. … …Journal of Computer Science, Vol. 15, Issue 1 · 12 Dec 2018 · 7,720 accessesView PDFCite
Research ArticleOpen accessIn the author namesPERMUTATION OF HTTPI AND HTTPS IN WEB SERVICES AGAINST ATTACKS FOR SECURITY ENHANCEMENTS. Chakaravarthi, V. RamachandranThe Hyper Text Transfer Protocol (HTTP) protocol plays a vital role in Web Services Security. Though the HTTPs provide excellent security, they are not flexible enough to allow caches. HTTPi provides high integrity and low security whereas HTTPs provide low integrity and high security. The goal of WS activity is to build up set of technologies in order to direct … …Journal of Computer Science, Vol. 10, Issue 3 · 30 Nov 2013 · 6,890 accessesView PDFCite
Research ArticleOpen accessIn the author namesImprovement of Transient Stability of Power System Using Solid State Circuit BreakerKalai Murugan Amirthalingam, Raja Prabu RamachandranThe aim of this study is to use a solid state circuit breaker for the improvement of transient stability margin. Long distance AC transmission is often subject to stability problems, which limits the transmission capability. Interconnected power systems suffer from weakly damped swings between synchronous generator and sub systems. The development of modern power system has lead to an increasing … …American Journal of Applied Sciences, Vol. 10, Issue 6 · 7 Jun 2013 · 7,009 accessesView PDFCite
Research ArticleOpen accessIn the author namesVehicle Identification using Fuzzy Adaline Neural NetworkGokul Murugesan, Shriram K. Vasudevan, Sivaraman Ramachandran et al.Video surveillance is an important aspect in today’s world, where a particular scene of area requires monitoring to avoid terrorist attacks and unauthorized entries. Vehicle recognition is an important area in object tracking and recognition. Objects may be of rigid or non-rigid in nature with varying velocity and have different features. Important features like shape, logo, color and texture are … …Journal of Computer Science, Vol. 9, Issue 6 · 6 Jun 2013 · 7,181 accessesView PDFCite
Research ArticleOpen accessIn the author namesVideo Coding Technique Using 3D Dualtree Discrete Wavelet Transform with Multi Objective Particle Swarm Optimization ApproachesThamarai Muthusamy, Shanmugalakshmi RamachandranWavelet-based image compression with Wavelet transform based motion compensated video codec performs better compression to meet the rate and distortion constraints in video transmission with the available bandwidth than the block based techniques. However, it is well known that the 2D DWT does not represent directional features of images efficiently. Lots of efforts have been contributed to multiscale directional representation. … …American Journal of Applied Sciences, Vol. 10, Issue 2 · 20 Feb 2013 · 6,595 accessesView PDFCite
Research ArticleOpen accessIn the author namesWeb Document Segmentation Using Frequent Term Sets for SummarizationChitra Pasupathi, Baskaran Ramachandran, Sarukesi KarunakaranQuery sensitive summarization aims at extracting the query relevant contents from web documents. Web page segmentation focuses on reducing the run time overhead of the summarization systems by grouping the related contents of a web page into segments. At query time, query relevant segments of the web page are identified and important sentences from these segments are extracted to compose … …Journal of Computer Science, Vol. 8, Issue 12 · 19 Dec 2012 · 6,675 accessesView PDFCite
Research ArticleOpen accessIn the author namesMultipath Adaptive Packet Dispersion for Voice ApplicationsJ. Faritha Banu, V. RamachandranProblem statement: The quality of Voice over IP applications is decided by the main factors like network capacity and technologies such as codec type, Packet Loss Concealment (PLC) and Forward Error Correction (FEC). Approach: In MPLS networks multiple Label Switched Paths (LSP) are established between MPLS ingress and egress nodes to enhance the network performance and QoS for subscribers. To … …Journal of Computer Science, Vol. 8, Issue 4 · 27 Jan 2012 · 7,720 accessesView PDFCite
Research ArticleOpen accessIn the author namesAspect Oriented Decision Making Model for Byzantine AgreementS. Murugan, V. RamachandranProblem statement: The main aim of this research study is to develop an enhanced strategy for decision making whether to commit or rollback a request to a Web service in the presence of Byzantine faults using aspects. The proposed study extends the Lamport’s algorithm for Byzantine agreement to have an effective decision while handling the service request. When the service … …Journal of Computer Science, Vol. 8, Issue 3 · 16 Jan 2012 · 7,036 accessesView PDFCite
Research ArticleOpen accessIn the author namesImpact of Sybil and Wormhole Attacks in Location Based Geographic Multicast Routing Protocol for Wireless Sensor NetworksShyamala Ramachandran, Valli ShanmuganProblem statement: Wireless sensor networks have been used in many applications, such as home automation, military surveillances and entity tracking systems. The sensor nodes have low computational capabilities and are highly resource constrained. Routing protocols of wireless sensor networks are prone to various routing attacks, such as black hole, rushing, wormhole, Sybil and denial of service attacks. Approach: The objective … …Journal of Computer Science, Vol. 7, Issue 7 · 28 Jun 2011 · 6,988 accessesView PDFCite
Research ArticleOpen accessIn the author namesFirst Report of Human Immunodeficiency Virus Type 1 Circulating Recombinant Form 02_AG Recombinant Strain of African Origin from North IndiaUjjwal Neogi, Vikas Sood, Arpita Choudhury et al.Problem statement: Human Immunodeficiency Virus Type-1 (HIV-1) displays extensive genetic diversity globally which poses a serious challenge in making efficacious vaccine and developing effective therapeutic interventions. HIV-1 epidemic in India is largely driven by genetic subtype C but lately a number of reports suggest the presence of circulating recombinant forms and unique recombinant forms from different states of India. Approach: … …Current Research in Medicine, Vol. 1, Issue 2 · 31 Oct 2010 · 6,741 accessesView PDFCite