Browsing M Tech Dissertations by Issue Date
Now showing items 101-120 of 820
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Efficient algorithms for hierarchical online rule mining
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)Association rule Mining, as one of the technologies equipped with Data Mining, deals with the challenge of mining the informative associations from the fast accumulating data. From the past decade, the research community ... -
Automation of model based estimation filters
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)Model based estimation filters are widely used in the field of estimation. They are applied for various types of dynamic and measurement models. There are different ways of solving these model based state estimation problems. ... -
Channel quality prediction and localization
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)In this thesis we focus on two problems, Channel Quality Prediction and Localization in wireless network. In High-Speed Downlink Packet Access (HSDPA) architecture of Universal Mobile Telecommunications Services (UMTS), ... -
Buffer aware routing in interplanetary ad hoc network
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)Recent research has shown that existing TCP/IP protocol suit exhibits poor performance in space communication networks. To deal with communication challenges in deep space such as long propagation delay, high channel error ... -
Low power microprocessor design
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)This research work tries to reduce the power consumption of a processor with signal processing features. For low power design, focus is on developing ‘Low power synthesizable Register File’, as the initial study shows that ... -
Study of algebraic and state based testing techniques
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)Sequential programs can be modeled as algebra or transitions on a state space. Whether a program is implemented according to its model is the question addressed by program testing. The thesis illustrates issues in constructing ... -
Mining effective association rules using support-conviction framework
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)Discovering association rules is one of the most important tasks in data mining. Most of the research has been done on association rule mining by using the support-confidence framework. In this thesis, we point out some ... -
Design of CMOS voltage controlled oscillator for high tuning range
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)The main objective of the work is to design a CMOS voltage controlled oscillator for higher tuning range. Today there is a great need for multi-standard wireless receivers in the wireless communications. A receiver is to ... -
Web content outlier detection using latent semantic indexing
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)Outliers are data elements different from the other elements in the category from which they are mined. Finding outliers in web data is considered as web outlier mining. This thesis explores web content outlier mining which ... -
Frequency compensation technique for low voltage three stage operational amplifier
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)This thesis presents a new frequency compensation technique for low supply voltage three-stage operational amplifier at higher loads. It is based on the miller splitting and pole-zero cancellation using feed-forward path. ... -
Investigation of low power design of left-right leap frog array multiplier
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)This thesis addresses the Low Power design of 12 bit LRLFAM at the Layout, circuit and logic levels. A new Low power Booth-Recoder (BR), and Multiplexer based partial product generated are designed using pass-Transistor ... -
Localization for a habitat monitoring sensor network for ground turtles
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)This thesis work deals with the localization problem (i.e. finding the location of the sensor nodes) in sensor networks. This work is specifically concerned with the localization of the sensor nodes on small ground turtles ... -
ASIC implementation of discrete fourier transform processing module
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)This work presents the design and ASIC implementation of Discrete Fourier Transform Processing Module. The performance of designed DFT processing module is better than radix-2 and radix-4 FFT algorithms, and is comparable ... -
Practical approaches for photometric stereo
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)In this thesis work, we aim to propose approaches for photometric stereo that are less time consuming and have low computational requirements. Many applications of computer vision require high resolution 3-D structure of ... -
Modeling MANETs using queuing networks
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)Mobile Ad Hoc Networks (MANETs) are becoming an attractive solution to the services that require flexible establishment, dynamic and low cost wireless connectivity. Since nodes are mobile, routing results vary significantly ... -
ASIC implementation of a pipelined bitrapezoidal architecture for discrete covariance kalman filter
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)This work presents, the complete ASIC implementation of Discrete Covariance Kalman ¯lter, on a Parallel and Pipelined Bitrapezoidal Systolic Array architecture. The Kalman Filter equations are mapped on the designed ... -
Security analysis of two fair exchange protocols
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)E-commerce applications enable two parties to exchange digital items electronically. It is critical for such applications that the underlying protocols ensure the fairness requirement: no honest participant should suffer ... -
On path complexities of heapsort algorithm and the class stack
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)A measure of program complexity, called Path Complexity, based on the number of program execution paths as a function of the input size n, is proposed in [AJ05]. This measure can be used to compare the complexity of two ... -
CMOS latched comparator design for analog to digital converters
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)Conventional comparators are at the two extremes as far as power delay product and isolation between input and output is concern. Either they achieved very good isolation at the cost of power in the preamplifier or save ... -
Design methodology for architecting application specific instruction set processor
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)Application Specific Instruction-set Processors (ASIP), also referred as extensible processors, represent the state-of-the-art microprocessor architecture. ASIPs are practically leading towards the realization of ...