Now showing items 1-20 of 46

    • Event-driven service-oriented architecture for dynamic composition of Web services 

      Laliwala, Zakir (Dhirubhai Ambani Institute of Information and Communication Technology, 2008)
      The Business process contains a set of services to fulfill its goal. The Service is a software component to perform a specific activity of a business process. The Business processes are event-driven and change frequently ...
    • Dynamic information management methodology with situation awareness capability 

      Sorathia, Vikram (Dhirubhai Ambani Institute of Information and Communication Technology, 2008)
      In present world, information generation, handling and utilization is deeply integrated with various activities. From entertainment to serious professional activities, information content is managed in some ways. Appropriate ...
    • Micro-level drought preparedness with information management and rural knowledge centres: a framework to support rural farm families 

      Guntuku, Dileepkumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
      Drought and desertification are serious problems that significantly affect hundreds of millions of people and ecosystems. When drought occurs, the farm communities are usually the first to be affected because of their heavy ...
    • Broadband microstrip antennas with switchable polarizations 

      Bombale, Uttam Laxmanrao (Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
      Microstrip antenna consists of a patch of metallization on grounded substrate. These are low profile, lightweight antennas, most suitable for aerospace and mobile application. They are replacing many conventional antennas ...
    • Algebraic approach to Nash equilibria for finite normal form games 

      Gandhi, Ratnik (Dhirubhai Ambani Institute of Information and Communication Technology, 2011)
      In this work we consider methods for computing Nash equilibria of finite normal form games that emphasize use of polynomial algebra. Nash equilibria of a game can be characterized as solutions to a system of polynomial ...
    • CLAPDAWN: cross layer architecture for protocol design in a wireless network 

      Jardosh, Sunil (Dhirubhai Ambani Institute of Information and Communication Technology, 2011)
      Architecture plays a key role in overall success of the network protocol stack. It is essential to have robust architecture for the complex system having multiple cross protocol interactions. In the literature more emphasis ...
    • Design automation of analog to digital converters based on geometric programming 

      Purushothaman, A. (Dhirubhai Ambani Institute of Information and Communication Technology, 2012)
      The trend towards digital processing of analog signals in an increasing number of application fields has stimulated significant research efforts in the area of data converters implemented in CMOS technologies. Designing ...
    • On curve reconstruction in Riemannian Manifolds: ordering motion frames 

      Shah, Pratik (Dhirubhai Ambani Institute of Information and Communication Technology, 2012)
      In this work we generalize the computational geometric curve reconstruction approach to curves embedded in Riemannian manifolds. We prove that the minimum spanning tree, given a sufficiently dense sample, correctly ...
    • Channel estimation and soft OSIC detection in coherent MIMO-OFDM systems using QRD techniques(802.16m) 

      Rawal, Divyang (Dhirubhai Ambani Institute of Information and Communication Technology, 2013)
      Next generation mobile systems will use multiple antennas at the transmitter and receiver to achieve higher capacity and diversity gain at high speeds. By transmitting through multiple transmitting and receiving antennas, ...
    • Adaptive channel estimation and loading for OFDM based two-way relay systems 

      Joy, Arun (Dhirubhai Ambani Institute of Information and Communication Technology, 2013)
      In this thesis we introduce a low complexity Recursive Least Square (RLS) based Orthogonal Frequency Division Multiplexing (OFDM) channel estimation for two-way relay system. Using the estimate of the channel, a bit and ...
    • Coordinated adaptive power management (CAPM) technique for sensor network nodes 

      Joshi, Gauri Hiren (Dhirubhai Ambani Institute of Information and Communication Technology, 2013)
      Small size of wireless sensor nodes limit the size of the battery supported on it which directly limits the capacity of the battery and lifetime of the sensor nodes. Though energy scavenging is one of the solutions, it is ...
    • Detection oftTampering in digital images using feature based hash generation 

      Mall, Vinod Kumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
      Recent years have witnessed an exponential growth in the use of digital images due to development of high quality digital cameras and multimedia technology. Easy availability of user-friendly image editing software has ...
    • New techniques for spatial resolution enhancement of hyperspectral images 

      Patel, Rakeshkumar Chandulal (Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
      Vision plays a central role for human perception and interpretation of the world. With the beginning of the space age during late 1950s presented opportunities for remote sensing of earth resources [1]. Multispectral sensors ...
    • Design and analysis of novel receiver front-end sub-systems in ku-band for satellite applications 

      Patel, Sanket S. (Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
      A novel receiver front-end; Low Noise Amplifier (LNA), mixer and Local Oscillator (LO); is designed and analyzed in Ku-band. Different design aspects of the subsystems along with the trade-offs and improvements are presented. ...
    • Novel approaches for spectral unmixing of hyperspectral data 

      Bhatt, Jignesh Shashikant (Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
      This thesis addresses the problem of spectral unmixing of remotely sensed hyperspectral data. The spectral unmixing has the objective of quantifying the reectance properties of di_erent materials on the earth. Complete ...
    • On large scale near-independent blind source separation 

      Dharmani, Bhaveshkumar Choithram (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      The thesis addresses Blind Source Separation (BSS) in Large Scale (LS) and near-Independent (nI) sources scenario. The large scale in BSS imply number of unknown sources ranging from 15 to 140, so that the corresponding ...
    • Design and analysis of multiband fractal antenna 

      Dhoot, Vivek (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      Miniaturized Multiband antenna design is an important and challenging task for communication industry. Several constraints like size, position of the antenna, feasibility, reflection coefficient, Specific absorption Rate ...
    • Peer-to-peer Communication in Mobile Social Network 

      Narmawala, Zunnun A. Raoof (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Peer-to-peer opportunistic communication between mobile devices carried by humanswithout using any infrastructure is largely unexploited. As these devices are carried byhumans, their encounter pattern depends on human ...
    • Techniques for denoising brain magnetic resonance images 

      Phophalia, Ashish (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Advances in the computational science joined medical imaging domain to help humanity. It offers great support in clinical practices where automatic Computer Added Systems (CAD) help in identification and localization of ...
    • Some new methods for multi-resolution image fusion 

      Upla, Kishorkumar Parsottambhai (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      It is always an interest of a mankind to explore the various resources of the earth such as minerals, agriculture, forestry, geology, ocean etc., Before the invention of the remote sensing, in order to analyze the various ...