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In this paper a fast architecture for Deblocking Filter in H.264/AVC video coding standard is presented. This architecture consists of a jump circuit which can increase the processing speed. To reduce the system complexity, we consider a single port external memory to be connected to our architecture. Accessing to the external memory is reduced by reusing stored blocks. Filtering operation is concurrent...
FinFETs are very promising for integrated circuit low signal anolog applications. In this paper we present, non-linear analysis of this type of devices using technology CAD (TCAD), which complements the already done studies about the advantages and possibilities of source/drain extension (SDE) engineering of FinFET for anolog applications. This is a simple and fast way to predict linearity using TCAD...
In this paper a programmable long PN sequence generator using linear feedback shift register is presented that uses different taps randomly or in a predefined manner. Various statistical tests were also performed which show random nature of the sequence generated. Further, the sequence generated was applied to encrypt an image. The encrypted image shows white noise characteristics and is successfully...
Global system for mobile communication (GSM) uses A5/1 stream cipher to encrypt the information transmitted between subscribers mobile and the base station. Recent research studies show that A5/1 cipher has some limitations, due to which it is susceptible to various cryptographic attacks. It has weak clocking mechanism and output bit sequence of A5/1 has low value of linear complexity. In this paper,...
Provision of quality of service (QoS) in todays Internet is an area that attracts the current state-of-the-art research. In this paper, we study the effect of topological and traffic variations on the provision of QoS using RSVP/ns. In our performance evaluation, we focus on the effect of varying packet size, number of flows, and mixing of best-effort flows with RSVP flows on the bandwidth reservations.
This paper proposes a novel floating gate MOSFET (FGMOS) based voltage-controlled grounded resistor (VCGR). The FGMOS is used to cancel the nonlinearity term present in the drain current equation of MOSFET operating in ohmic region. The implementation of nth order tunable high-pass filter using the proposed VCGR is also suggested. The proposed VCGR is simple, compact, accurate, and with low power...
In radar signal processing distinction of false targets from real targets and fixing their rate in different radar environments is desirable. In this paper, at first, switching constant false alarm rate (S-CFAR) processor has been improved to achieve Improved SCFAR in order to fix the false alarm rate not only in homogenous environment only with thermal noise but also in non-homogenous environment,...
This paper presents modeling and simulation of a wideband low jitter frequency synthesizer. The proposed system uses two phase-locked loops (PLLs) connected in cascade. The first PLL uses a voltage-controlled crystal oscillator (VCXO) to eliminate the input jitter and the second one is a wideband PLL. One important advantage of using the proposed system is that it uses only one VCXO for multiple carrier...
Tuning of the PID controller in a varying environment is extremely difficult. For this purpose one has to use the adaptive PID controller. In the present paper a novel method for fast tuning of the PID controller has been presented and implemented on designed and developed hardware around the 89C51 microcontroller. Varying environment in the very old existing MLW-MK70, former East German bath has...
A fully computer controlled system has been designed and developed for measuring the density of solids by hydrostatic weighing method. The hardware of the system has been developed around 89C51 microcontroller. In this setup density of the unknown sample is determined with the help of mean density of the two solid density standards. The overall uncertainty has been obtained to be of the order of 0...
Linux with programming tools Qt is becoming popular to develop applications in the field of agricultural, medical and sports practice. This paper describes the low cost implementation of multi channel automated I/O controller using industrial PC and high performance data acquisition (DAS) card. The developed system aimed to monitor and control the different process parameters by using Qt tool under...
Array multipliers are preferred for smaller operand sizes due to their simpler VLSI implementation, in-spite of their linear time complexity. The tree multipliers have time complexity of O (log n) but are less suitable for VLSI implementation since, being less regular, they require larger total routing length, which may degrade their performance. Some hybrid architectures called dasiaarray of arraypsila...
The study of satellite image is one of the important subject in image processing and especially in the developer of communication, therefore, we introduce minimum correlation method to evaluate the quality of satellite image, so we test our method in three satellite channel Arabsat, Nilesat and Hotbird, this study depend on the automatic search for minimum correlation of (40times40) sliding box for...
This paper presents a new versatile active circuit for the realization of impedance converter, ideal grounded inductance, FDNR, and R/C multipliers through appropriate selection of passive elements. The proposed circuit is realized using low voltage CMOS Operational Floating Conveyors (OFC) and grounded passive components, without using any matching constraints. This makes it attractive for IC implementation...
In this work, 32 channel cosine modulated filter bank (CMFB) is used to decompose and reconstruct single lead ECG signal. The prototype filter for analysis and synthesis filter banks is designed using window technique. variants of Blackman window, which is a fixed window, are used to design the prototype filter. The cutoff frequency of prototype filter is optimized to minimize the error function....
Transmission of compressed video over wireless channels remains a challenging task due to the noisy nature of the wireless channels and a single bit error in the compressed video bit-stream might cause the reconstructed video to be severely distorted. Numerous error control techniques have been proposed in the literature in order to minimize the video quality degradation caused by transmission errors...
In this paper we adopt FFT based fractal analysis method. With the help FFT based method breast tumors (benign and malignant) are classified based on their shapes. In general malignant tumors contour have rough and irregular shapes whereas benign contour have smooth and macrolobulated shapes. In this paper we present a fractal based Fourier transform method to classify the contours. The log -log magnitude...
In commercial cellular networks, like the systems based on direct sequence code division multiple access (DS-CDMA), many types of interferences can appear, starting from multi-user interference inside each sector in a cell to inter-operator interference. Also unintentional jamming can be present due to co-existing systems at the same band, whereas intentional jamming arises mainly in military applications...
The adhoc networks are considered to be infrastructure less networks therefore the scarcity of resources (i.e. Bandwidth and Energy) are the main issues requiring attention. In this paper the routing applications/algorithms for optimizing battery life time are analyzed while taking into account the highly unreliable real time behavior of mica2 motes. Routing applications are run in Matlab based probabilistic...
Environment monitoring has become a necessity because of global warming and climate change. All across the globe researchers are trying to monitor the environmental parameters of temperature, humidity and pollutants gases mere precisely in real time. Sensing system using sensor arrays has been developed to monitor indoor environment, however, these systems are costly and have not gained wide acceptance...
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