Theses and Dissertations

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End date: 2019Has files: No

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    MIMO reception in Rayleigh and Rician fading with imperfect channel estimation
    (Dhirubhai Ambani Institute of Information and Communication Technology, 2019) Baranwal, Sweety; Vasavada, Yash
    Wireless communication technology has undergone significant improvement over the past decades which has lead to the higher data rates and better bit error rate (BER) performance. There has been increase in the demand for high channel capacity in multipath fading environment which is possible by Multiple Input Multiple output (MIMO) system. MIMO system increases the capacity, makes communication more reliable and reduces the effect of channel fading. Channel State Information (CSI) at the receiver needs to be estimated to improve the performance of detection and estimation of symbols.
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    Beaches of Mumbai
    (Dhirubhai Ambani Institute of Information and Communication Technology, 2019) Shah, Dishant; Desai, Binita
    The project brief was to understand the importance of the Mumbai's beaches for the local residents. How the city's beaches, act like a provider of open space (space which can be used for free by rich and poor young and old without any restrictions) and a provider of livelihood. Further, the aim was also to spread awareness about this importance of the beaches among the people so that they proactively take steps towards keeping the beach and its ecosystem clean. The purpose was to come up with a communication product which would draw attention to the importance of beach especially in a city like Mumbai. My intention for choosing this topic was to urge the people (the local residents and authorities) to take requisite steps to preserve the beach and its ecosystem before it is too late.
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    Janane ka hak : Graphic novel
    (Dhirubhai Ambani Institute of Information and Communication Technology, 2019) Yadav, Vikas; Desai, Binita; Mazumdar, Madhumita
    This report presents the design of a Graphic Novel as a medium to communicate the story of people's movement for RTI which began from a small village in Central Rajasthan and spread out to become a nation-wide demand for Right to Information.
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    Alzheimer's awareness and care
    (Dhirubhai Ambani Institute of Information and Communication Technology, 2019) Sinwal, Shweta; Mazumdar, Madhumita; Desai, Binita
    The project brief is to understand the mental disorder like Alzheimer's and to be able to distinguish between normal aging problems and signs of the onset of Alzheimer's, which is the most confusing thing to understand. It also spreads the awareness about the risk factors, the difference between sign and symptoms, the aspects that Alzheimer's affects the most, the complete diagnosis process. But majorly, it talks about the caregiving part and the role of caregivers. Caregiving is the most crucial part in disorders like Alzheimer's as in such conditions medications alone cannot provide relief to the patient but the caregiving does. Therefore, this project deals with providing the guidelines to family members as well as caregivers on how to manage and taking care of the person with Alzheimer's. And since, caregiving here means caring for two people; the person with the illness and the person taking care of himself or herself. Therefore, the last part of the project also covers the points in which a caregiver can take care of himself or herself.
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    Dekha andekha darbar : Documentary film
    (Dhirubhai Ambani Institute of Information and Communication Technology, 2019) Agarwal, Aakanksha; Pandya, Vishvajit; Mazumdar, Madhumita
    There's an old legend popular among the local folks of the Dangs district of Gujarat. It says that, when offered by the Britishers, the rajas or kings of Dang chose money over the rich and prosperous jungles of the region. The Britishers agreed to keeping the trees and the jungles while kings can have their money. This kind of sums up the entire situation of the Dangs district where the kings are being paid annually even now but are deprived of their jungle and the trees.
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    Changes in the Bardic traditions of Gujarat
    (Dhirubhai Ambani Institute of Information and Communication Technology, 2019) Kadegia, Bhavik; Pandya, Vishvajit; Mazumdar, Madhumita
    This project is to understand the importance of bards in culture, Specifically in culturally rich Saurashtra of Gujarat. Here, one can witness the solidness of the belief and pride in their heritage, which is becoming obsolete in the rapid and blind modernizing word of today. Bardic Communities like Barots and Charans have played an important role in this. Because their way of living heavily depends on the traditions which carry the culture as well as their inherited folk literature, which is a regional industry itself which has imbibe the new technology of the present day.There has to be a path that these communities passed through to reach their current status. There was a socio-political system in the past that depended on these communities. I took Charans and Barots initially as they are the most influential of all the bardic communities in Gujarat as well as most well-known also. Today what we see them as a result of their journey, this project is to uncover the narrative of their story and co-relate the different node in past to translate the history into a logical analysis, employing ethnographic methods, with historical and social literature.
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    Chutkis (Jani kala ke anjaane karigar )
    (Dhirubhai Ambani Institute of Information and Communication Technology, 2019) Agnihotri, Anupriya; Mazumdar, Madhumita
    In the last few years Chikankari an intricate art of doing fine and delicate embroidery on cloth by hand is getting commercialized because of its great demand from domestic as well as from the foreign market. The craft that was about to die has under done revival due to the effort made by the government and non government organizations. The number of shops in the Lucknow is increasing day by day. But still the craft sector is unorganized only few organized sectors are available in the city. Unorganized sector mainly consist of the women embroiders or chutkis that are found in the village and are practicing the craft because of some need. They are not the generation carrier of this craft but they want to learn it so that they can earn some money for their family .But due to no knowledge of the craft and the market they are easily getting exploited by the middle men who bring cloth from the city and give them to these women at an extremely low price. The project aims to communicate about the condition of the female Chikankari artisans in the rural area near Lucknow Who are part of the unorganized Chikankari sector.
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    Gangdo vahlo lage che - life of Salt Pan workers
    (Dhirubhai Ambani Institute of Information and Communication Technology, 2019) Patel, Parth; Pandya,Vishvajit; Mazumdar,Madhumita
    The project brief was to find out the technological changes brought in the life of Agariyas in the Little Rann of Kutch. It has been seen that since a few years back few NGO's have started installing solar panels in the desert to pump out the brine water, that is used to make the salt. This certainly brings up the questions about the salt farming that had begun here and if solar is a new change in technology for them, it is indeed a matter of curiosity as to what the Agariyas used earlier. There has always been a gap between the originality of the livelihood of Agariyas and the information that people receive through sources like news and media. The aim was to come up with a communication product which would draw attention to the gap between the audience and the Agariyas. This is for better understanding and making people aware of the salt pan workers who play a very important role in producing the nation's salt.
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    On insider attack in distributed file systems
    (Dhirubhai Ambani Institute of Information and Communication Technology, 2018) Solani, Riddhi; Das, Manik Lal
    Due to heavy use of internet, mobiles, sensors etc. Data is growing rapidly day-by-day. However traditional database systems fail to store such a huge semi structured or unstructured data which raises the need for distributed file systems. Distributed file system is a client server based architecture that can store massive amount of data in any format and provide faster access. However in this kind of systems, security is a major concern as user needs to store their sensitive data away from them. Most of the security solutions available for this kind of systems focus on the detection and prevention of outsider attack but according to recent surveys, insider attack is more frequent than outsider attack in this kind of systems. However there is not much available about the detection of insider attack in the literature. In this work, we've designed an approach to detect the insider attack in distributed file systems. The proposed solution is based on the client-server architecture and data replication property of distributed file systems. As an example of distributed file systems, HDFS is considered. We've designed two algorithms namely process profiling algorithm that run on the datanode and replica and give some output to namenode, attack detection algorithm that run on the namenode which confirms the attack from the information received from the datanode and replica. The proposed solution is simulated and analyzed it in terms of the time complexity.
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    Chalo bajaar jaiye : Ahmedabad through markets
    (Dhirubhai Ambani Institute of Information and Communication Technology, 2018) Vardhan, Himanshu; Shah, Shailaja; Pandya, Vishvajit; Mazumdar, Madhumita; Desai, Nikita
    The idea of this project was to bring awareness among the tourists who are going to visit the city or the migrants who are going to shift to the city or the locals about a historic city Ahmedabad through a different dimension – the city’s old vibrant markets. During the process of literature review we figured that there were many books written on the historic city Ahmedabad which largely focused on the heritage monuments of the city. After Ahmedabad was declared as World Heritage City in July, 2017 the city’s heritage added much more value to its existence. However, according to the official documents submitted for the nomination of World Heritage City at UNESCO, Ahmedabad has been given this title primarily for its tangible heritage which includes physical artifacts and monuments of the city. But throughout the history of 600 years of the city, there have been certain cultural values and social practices which have been inherited through generations and are nothing but intangible cultural heritage of Ahmedabad. Through initial research we understood that apart from the monuments, there are some old markets of the city having certain social practices and cultural values associated with them which could at large provide a meaning to the existence of the city. Since those old markets of Ahmedabad were then built and developed around a group of people following certain ethnicities or religions or languages and gradually created an environment of people following certain cultural values and performing certain social practices these markets are full of diversities of people, commodities, traditions, languages and communities. Hence, for anyone who wishes to know Ahmedabad and its history, there should a way other than the tangible heritage information which allows him/her to know this different aspect of the city. Thus, to fill in the gap of introducing the city in various ways we came up with a solution to tell a story of the city through different perspective – through its old markets. In order to do so it was important to first understand the different attributes associated to the markets situated in the eastern part of the city Ahmedabad – old Ahmedabad as historically the city was only developed on the eastern side of the River Sabarmati; it was the time during the rule of British Crown when Ahmedabad got expanded on the west too. To known the markets in depth field visits were carried out, which brought out different aspects associated with markets like their histories, commodities, type of selling involved in different markets, types of buyers, market timings, peak hours etc. Since the target audience of our product could be either an outsider or an insider, it was important to have multiple narratives which could help them know the markets and further the city in their own ways. To achieve this, we categorised and prioritised the set of data about each market gathered from the field. The primary classification depending on the targeted audience was done based on their establishment years, commodities, locations of the markets and the types of selling (wholesale / retail / wholesale and retail both) involved in a particular market. In order to tell this story in the best possible way a medium had to be chosen which be the most feasible for such a set of information. Hence, we decided not to move ahead with the idea of designing a book as it becomes very linear for the user to read the information in such a static format. To make the information interactive and easily accessible to maximum number of users in the world, we figured that a website would be the most suitable medium to design this information. The designed product works as an informational website which generates a virtual experience of markets among the users through sounds, visuals and textual content. This website is meant to allow the user to look out for information according to his/her need. The multiple narratives structured to tell the story in different ways are: a) Through the locations of the markets in the city along with the year when they were established at those locations b) Through the categorised set of commodities sold in those markets c) Through the information on nearby markets which could be visited in a day This website can further be developed in mobile view and tablet view which would make it even easier to access for the users from anywhere on the field.