Search
Now showing items 61-70 of 212
FPGA implementation of image compression algorithm using wavelet transform
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)
This work presents FPGA implementation of image compression algorithm by using wavelet transform. Here the emphasis has been made on algorithmic encoding, the first step of image compression problem. The transform that has ...
Design issues in direct conversion receiver
(Dhirubhai Ambani Institute of Information and Communication Technology, 2009)
The wireless system is being rapidly proliferated in our life. The growing of capacity in wireless communication requires a new type of wireless communication method which does not affect current work on circuits and systems ...
Low power high slew-rate adaptive biasing circuit for CMOS amplifiers
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)
Adaptive biasing technique in analog and mixed signal integrated circuit design is used mainly to reduce the power and improve the driving capability. It has found many applications, like power amplifiers in RF communication ...
Bandwidth compression
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)
Bandwidth compression implies a reduction in bandwidth of an information carrying signal without reducing the information content of the signal. Methods such as PCM, DPCM and other redundancy removal algorithms rely on the ...
Integrated chaos generator
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)
With the explosion of information, the need to cater to the demands of increased number of users is of paramount importance. Spread Spectrum Technique used in wideband communications have proved to utilize the limited ...
Hybrid approach to digital image watermarking using singular value decomposition and spread spectrum
(Dhirubhai Ambani Institute of Information and Communication Technology, 2005)
We have seen an explosive growth in digitization of multimedia (image, audio and video) content and data exchange in the Internet. Consequently, digital data owners are able to massively transfer multimedia documents across ...
Orthogonal frequency division multiplexing synchronization techniques
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)
Synchronization plays a major role in the design of a digital communication system. Essentially, this function aims at retrieving some reference parameters from the received signal that are necessary for reliable data ...
Performance analysis of MPEG traffic under deficit round Robin Scheduler
(Dhirubhai Ambani Institute of Information and Communication Technology, 2004)
The use of network multimedia applications like Video Conferencing and Video-on-Demand is likely to increase tremendously in future. Bandwidth, delay and delay variation are important performance parameters in such ...
Detection of unauthorized vehicle movement across the forest boundary using wireless sensor networks
(Dhirubhai Ambani Institute of Information and Communication Technology, 2006)
Wireless sensor network is a collection of small sensor nodes. These nodes consist of sensing, communication and computation capability that attracts a large number of applications. Wireless sensor networks are deployed ...
Protecting mobile agents against malicious hosts using trusted computing
(Dhirubhai Ambani Institute of Information and Communication Technology, 2005)
The concept of mobile agents was invented about a decade ago. Since then, plenty of innovative applications of mobile agents have been proposed. But it remains to be the fact that these applications have not been deployed ...