Comparison And Analysis Of Channel Estimation Algorithms In OFDM Systems Vineetha Mathai Dept. of Electronics Engineering‚ Madras Institute of Technology‚ Chennai-600044‚ India. e-mail: vineethamathai@yahoo.in Abstract—The channel estimation can be performed for analyzing effect of channel on signal by either inserting pilot tones into all of the subcarriers of OFDM symbols with a specific period or inserting pilot tones into each OFDM symbol. The block type pilot channel estimation has been
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Tows mtrix Characteristic . TOWS analysis is an algorithm of the strategic analysis process‚ involving systematic and comprehensive assessment of external and internal factors that determine current condition and growth potential of the company. It is based on a simple classification scheme: all of the factors influencing the current and future position of the organization is divided into: External and internal to the organization‚ Having negative and positive impact on the organization. The intersection
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Parallelization of PageRank and HITS Algorithm on CUDA Architecture ‡ ‡ Kumar Ishan‚ Mohit Gupta‚ Naresh Kumar‚ Ankush Mittal† ‡ Department of electronics & Computer Engineering‚ Indian Institute of Technology‚ Roorkee‚ India. {kicomuec‚ mickyuec‚ naresuec‚ ankumfec}@iitr.ernet.in Abstract Efficiency of any search engine mostly depends on how efficiently and precisely it can determine the importance and popularity of a web document. Page Rank algorithm and HITS algorithm are widely known approaches
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IMPLEMENTATION OF IMAGE PROCESSING ALGORITHMS ON FPGA ABSTRACT This presents the use of a high language programming technique to implement image processing algorithms. FPGA is very instrumental in real time image processing because of the properties it holds. For example‚ FPGA has a structure that has ability to use temporal and special parallelism. This property is only unique to this kind of gates. Hardware constraints of the machine are another factor to consider because it affects the
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Standard Algorithm M.Pitchaiah‚ Philemon Daniel‚ Praveen Abstract—Cryptography is the study of mathematical techniques related to aspects of information security such as confidentiality‚ data integrity‚ entity authentication and data origin authentication. In data and telecommunications‚ cryptography is necessary when communicating over any unreliable medium‚ which includes any network particularly the internet. In this paper‚ a 128 bit AES encryption and Decryption by using Rijndael algorithm (Advanced
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1997 describes a combined genetic algorithm and slicing approach for floorplan area optimization during the early stage of integrated circuit design. It applies a partition procedure to reduce the complexity routing problem. Genetic Algorithm (GA) is wide applied in almost any field‚ including solving FLP. Tam 1992 introduced the coding of layouts as a string of characters of finite length and used a fixed slicing tree structure defined by a clustering algorithm to represent a layout as a chromosome
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Quad-Copter David Malgoza‚ Engers F Davance Mercedes‚ Stephen Smith‚ and Joshua West School of Electrical Engineering and Computer Science‚ University of Central Florida‚ Orlando‚ Florida‚ 32816-2450 where flight duration varies directly with its total weight. The frame must be designed strong and rigid enough to support all the other systems yet‚ light enough to so as to prolong flight duration to acceptable levels. The Quad-Copter consists of several subsystems some
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Computer Operations‚ Solving Problems‚ and Algorithms As we learn more on how to construct and put together a functional computer program‚ there are many things that need to be understood for this to occur. This paper will address this by expounding upon three topics that do just that. With use of pseudo code (the use of nouns and verbs) are words used by programmers to help code or construct a computer program. The first section will identify the six basic computer operations that take place
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Algorithm analysis In computer science‚ the analysis of algorithms is the determination of the number of resources (such as time and storage) necessary to execute them. Most algorithms are designed to work with inputs of arbitrary length. Usually the efficiency or running time of an algorithm is stated as a function relating the input length to the number of steps (time complexity) or storage locations (space complexity). Algorithm analysis is an important part of a broader computational complexity
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modern computing and Vedic Mathematics converge. Need For Efficient Multiplication Algorithm: • Use of numerical methods is prevalent in most software algorithms. Such applications demand an efficient code for basic mathematical operations‚ one of them being multiplication. • Real Time Systems demand instantaneous response to environmental variables and quick execution of taken decision. • Multiplication algorithms find applications in Digital Signal Processing (DSP) for discrete Fourier transforms
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