IJSPR: Volume 10 Number 02
Latest News    IJSPR Volume 16, October 2015 Edition Published Successfully.         Call for Papers: November 2015    IJSPR Inviting Original Research Papers for Volume 17, November 2015 Edition.

IJSPR - Volume 10, Number 02

Published On : April 2015
SNo. Paper Title & Authors Page
Abstract: CORDIC is an iterative Algorithm to perform a wide range of functions including vector rotations, certain trigonometric, hyperbolic, linear and logarithmic functions. Both non pipelined and 2 level pipelined CORDIC with 8 stages, using two schemes was performed. First scheme was original unrolled CORDIC and second scheme was MUX based pipelined unrolled CORDIC. Compared to first scheme, the second scheme is more reliable, since the second scheme uses multiplexer and registers. By adding multiplexer the area is reduced comparatively to the first architecture, since the first scheme uses only addition, subtraction and shifting operation in all the 8 stages.8 iterations are performed and it is implemented on QUARTUS II software. For future work, the number of iterations can be increased and also increase the bit size. This can be implemented in (digital) CADENCE software.
Keywords:CORDIC, rotation mode, multiplexer, pipelining, QUARTUS.
Abstract: Orthogonal Frequency Division Multiplexing (OFDM) is one of the modulation techniques for mobile networks, because of its good spectral efficiency, bandwidth flexibility, and tolerance to impairments. Considering the planning problem of an OFDM mobile network for bandwidth allocations, the demanded broadcasting rates of the connections are to be afforded. Connections are linked for their demanded rate by alloting spectrum and service space using a variable number of OFDM subcarriers and choosing an appropriate modulation level is also has to be considered. Therefore in this project the Lateration technique has been used for the even bandwidth allocation depends on the each requested mobile nodes. By executing this technique to the OFDM base station the bandwidth can efficiently utilized and hence the bandwidth allocation is purely frequency dependent.
Keywords:OFDM, Lateration Technique, Basestation, MIMO, Bandwidth, collision.
Abstract: Today, Ecommerce is booming everywhere. Customer’s satisfaction is an important issue in every Business-to-consumer website. Sometimes it is difficult to evaluate performance of website. It’s on customer to visit, see or purchase any product. Entrepreneur is unaware of its nature. Here, we have adopted DEA (Data Envelopment Analysis) tool along with ANP (Analytic Network Process). DEA is used to evaluate performance of DMU’s (Decision Making Units) and ANP resolves problem of interrelated inputs. Existing techniques does not analyze relevant DMU’s for any e-commerce website. We have proposed scheme, Quality Analysis Using DEA and ANP of e-commerce Website (QADAE), which will analyze the websites and will results in popularity of websites to an entrepreneur. Our scheme, QADAE will contribute to the improvement of overall quality of website and promote the healthy development in e-commerce.
Keywords:Data envelopment analysis (DEA), analytic network process (ANP), decision making units (DMU’s).
Abstract: Information Extraction (IE) from the databases is a critical issue. Web Service Asymmetry (WSA) is a major challenge in front of database users. We have proposed an algorithm which aims to retrieve critical data from the database. Existing Web Services proposed by various authors are black box, hard-coded and cannot be changed. The traditional IE usually takes advantages of NLP techniques such as lexicons and grammars, whereas Web IE adapts machine learning and pattern mining techniques. A major challenge in efficient evaluation of queries over such Web Services is to detect relevant data for the query execution and to avoid materialization of irrelevant information. So, considering the above issue we have proposed an algorithm, Web Information Extraction Using Service Calls (WIESC), a scheme which tries to overcome the problem of WSA. WIESC algorithm results in faster execution of query since it dynamically executes the services.
Keywords:Information Extraction(IE), Web Service Asymmetry(WSA), Web Information Extraction Using Service Calls(WIESC), NLP.
Abstract: There are several techniques that reduce the rise time and fall time. In this dissertation we can use stack techniques that can improve switching response. When we are reducing dynamic CMOS noise then it improves the switching speed of dynamic logic circuit. That means improvement of switching speed is also dependent on the reduction of dynamic logic CMOS noise. Since noise is basically result of charge leakage and charge sharing problem. That means if we can reduced the charge leakage and charge sharing problem then it can reduced the noise of dynamic logic CMOS circuit and it also improves the switching speed of dynamic logic CMOS circuit. Stack transistors has proven to be exceedingly most effective in reducing and minimizing sub threshold leakage or charge leakage in stand by mode of operation of circuit. It has been observed that this technique of using stack transistors saves around 33% in total leakage in 50nm devices.
Keywords:Micro wind 3.0.
Abstract: Power consumption technique occupies the major role in designing the VLSI circuit design. Since, there are concerns in power, delay and area. There is no appropriate method/ technique to overcome such limitation, so the best technique needs to be implemented. Thus the two low power digital circuits 4*1 multiplexer and 4-bit ripple carry adder among NAND gate, NAND gate has been designed with Multi Threshold CMOS (MTCMOS) technique. MTCMOS technique offers low leakage and high performance operation by utilizing high speed. Power consumption is calculated individually as Static power and Dynamic power. Static and Dynamic power is compared using 4*1 multiplexer and 4-bit ripple carry adder. The layout design and simulation is done with the help of Micro wind and DSCH tool.
Keywords:MTCMOS, Ripple carry adder, Multiplexer, Static power, Low leakage, Dynamic power.
Abstract: Economic load dispatch (ELD) is an important optimization task in electrical system. Economic load dispatch is a way to find out the available generating units and distribute the load demand between them in such a way fulfills the load demand and satisfied the constraints in such way to minimize the fuel cost. In this paper we considered ELD problem as a multi objective problem. Here not only solve the ELD problem but also minimize the SO2 emission. Particle swarm optimization is one of the most popular optimization techniques used for the solving ELD problem. PSO is a population based optimization techniques inspired by sociological behavior of fish schooling. PSO can be applied to solve multi-objective ELD problem. This paper used a novel PSO with constriction factor for solving ELD problem, which enhances the ability of particles to explore the solution spaces more effectively and increases their convergence rates. In this work the usefulness and effectiveness of the CPSO algorithm is demonstrated through its application to three and six generator systems with emission constraints.
Keywords:Economic dispatch, environmental emission, Particle swarm optimization (PSO), Particle swarm optimization with constriction factor (CPSO).
Abstract: This review work based on the Performance exploration of the bit error rate (BER) and Q-factor. BER is the measurement of bits that have errors relative to the total number of bits received in a transmission. There are so many different types of modulation techniques scheme is recommended for improvement of BER and Q-factor in fibre optic communications. The advanced scheme has been tested on optical fibre systems using Dense Wave Length Division Multiplexing (DWDM) operating with a non-return-to-zero (NRZ) format at transmission rates of up to 2.5 Gbps. But due to the dispersion in optical fiber communication bit rate and other parameters (like Q-factor, Threshold value) are affected (Reduce). Here dispersion compensation fiber (DCF) is used to minimized dispersion in optical fiber communication.
Keywords:BER improvement, Modulation techniques, Optimization, NRZ, Chromatic dispersion, PMD, DCF, Q-factor, Threshold value, Dense WDM.
Abstract: Lipases are glycerol ester hydrolases which hydrolyze triglycerides to glycerol and free fatty acids. Different cold active lipase producers which were bacterial and yeast isolates screened from cold stored spoilt coconuts, milk samples, nuts and vegetables. Cold-adapted and psychrophilic microorganisms are a good source of cold-active enzymes that have potential applications. Different lipolytic isolates both bacteria and yeasts were obtained, and amomg these the yeasts were selected for further study as they are Generally Regarded as Safe (GRAS). Among the six lipolytic yeasts two isolates identified as Geotrichum and Rhodotorula sps was found to be good cold active lipase producers and hydrolyzed palm olein on a selective agar incorporated with Nile Blue sulphate and palm olein. Lipolytic activity of the isolates was indicated by accumulation of blue droplets beneath the colony. Lipases isolated from different sources have a wide range of properties depending on their sources with respect to thermo stability, positional specificity, pH optimum and fatty acid specificity etc. Palm olein was used as an inducer for inducing lipase production. The selected yeast isolates showed efficient enzyme production at 250C and pH 7.2. The enzyme produced was active at both 150C and 200C, thus making it a potential enzyme for application in dry cleaning industry. Cold active lipases also have potential application in industries like food, cosmetic and pharmaceutical. They also have significant environmental applications in psychrophilic environment and so the present isolate a cold-active lipase producer is of both industrial and environmental significance.
Keywords:Cold-active, Geotrichum sps, Lipase, Palm-olein, Rhodotorula sps.
Abstract: The tractor is very popular in the farmers primarily because of affordability of higher efficiency of working..The status of tractor for Jalgaon Jamod in Vidarbha Region is a survey type project. The Survey is conducted in 25 villages out of 53 villages for Jalgaon Jamod . From each villages 15 farmers are randomly selected for study. A data collected from personally interview of 380 farmersfrom 25 villages can overlook the various points regarding to the tractor and farmers opinion about the tractor. From the study it is concluded that 76% of tractor sales are on credit. Credit is extended by commercial banks, state land development banks and regional rural banks. Most of farmers (24 per cent) preferred credit from local co-operative bank.A Local Co-operative Banks play a important major role for providing the loan facility to Taluka place farmers. Irrigation facilities reduce reliance on the monsoon and allow for quick yielding varieties of food -grain .This reduces the cropping cycle to 3-4 months from the traditional 5-6 months. Reduced cropping cycle require deep tilling which translates into higher demand for tractors.The tractor between the 65-75 horse powers dominates the market. Lately it is visualized that higher hp segment has the maximum growth potential Most of the farmers have bought the tractors as their status symbol by paying the amount in cash.
Keywords:Bank, Credit, Tractor Status, Power available.