PhD Theses: Recent submissions

Now showing items 61-73 of 73

    • 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 ...

    • On large scale near-independent blind source separation 

      Choithram, Dharmani Bhaveshkumar (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 ...

    • 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 ...

    • 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, ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...