linh tmng nguyen university of engineering and technology
The Future of Wireless Banking Implementation of Wireless Banking and Financial Systems
... Wireless banking and trading is only an extension of the product offerings for the financial institutions It is not an extension of web technology, as often perceived Online banking and online trading ... CDMA, and GSM 3G is the third-generation of wireless It is expected to reach maturity between the years 2003 and 2005 3G is expected to delver enhanced voice and data and even video It is bandwidth ... the type of network to be implemented, number of markup languages, and handheld devices to be supported Testing can be cumbersome and complex It is always a good idea to use multiple software...
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Báo cáo hóa học: " Research Article Prototype Implementation of Two Efficient Low-Complexity Digital Predistortion Algorithms" potx
... implementation of the PD algorithm on hardware and evaluation based on measurement of the actual linearisation of a practical PA better decribes the behavior of a proposed PD There are only a handful of ... Brunmayr, “Implementation of a nonlinear digital predistortion algorithm,” M.S thesis, Vienna University of Technology, Institute of Communications and Radio-Frequency Engineering, Vienna, Austria, ... Aschbacher, “Digital pre-distortion of microwave power amplifiers,” Ph.D dissertation, Vienna University of Technology, Institute of Communications and Radio-Frequency Engineering, Austria, 2005, http://publik.tuwien.ac.at/files/...
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báo cáo hóa học:" Research Article Very Low-Memory Wavelet Compression Architecture Using Strip-Based Processing for Implementation in Wireless Sensor Networks" potx
... coordinates of all SOT roots, Type A set which holds the set of coordinates of all descendants of node (i, j), and Type B set which holds the set of coordinates of all grand descendants of node (i, ... subband 0032 Two-scale virtual decomposition on LL subband LH, HL and HH subbands for four-scale DWT decomposition Virtual LL subband Virtual LH subband Virtual HL subband Virtual HH subband ... results of an analysis carried out on six standard test images on the percentage of occurrence of possible outcomes of the SIG(k, l) and DESC(k, l) bits As shown in Table 2, the percentage of occurrence...
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Báo cáo hóa học: " Research Article Implementation of Wireless Communications Systems on FPGA-Based Platforms" pptx
... duration of ms and consists of the following phases: broadcast (BC) phase, downlink (DL) phase, uplink (UL) phase, direct link phase (DiL), and random access phase (RA) The functionality of the ... machines) The baseband part of the physical layer of HIPERLAN/2 is based on orthogonal frequency division multiplexing (OFDM) [8] Reference block diagrams of HIPERLAN/2 transmitter and receiver are ... Figures and 2, respectively The types of operations and the computational complexities (for all the different physical layer modes) of the different baseband processing tasks are presented in Tables and...
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On reliable and scalable management of wireless sensor networks
... Systems and Networks (DSN), 2003 FIELDS OF STUDY Major Field: Computer Science and Engineering Studies in: Computer Networks Software Systems Prof Prof Prof Theory and Algorithms Prof Prof A Arora ... pleasure of working with distinguished researchers such as Professor Mohamed Gouda, Professor Ted Herman, Professor Sandeep Kulkarni, Professor Mikhail Nesterenko, Professor Prasun Sinha, Professor ... the standard safety and liveness requirements of termination detection and is highly scalable because it only requires a small fraction (around 5%) of nodes to send termination reports and reuses...
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On the Lifetime of Wireless Sensor Networks
... [2005], and Liu et al [2005b] and for area coverage in Bhardwaj et al [2001], and Bhardwaj and Chandrakasan [2002] A less strict variant of this definition is that only a fraction, α, of the region of ... based on the number of available nodes They divide the set of nodes into critical and non-critical nodes and then allow for k node failures in the group of non-critical nodes and no failures at ... of m critical nodes They name this approach m-in-k -of- n lifetime Nevertheless, the objections as stated for k -of- n still apply Another variant of n -of- n lifetime is discussed in the context of...
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Báo cáo hóa học: " Research Article Impact of Radio Link Unreliability on the Connectivity of Wireless Sensor Networks" pptx
... [23] D Miorandi and E Altman, “Coverage and connectivity of ad hoc networks presence of channel randomness,” in Proceedings of the 24th Annual Joint Conference of the IEEE Computer and Communications ... the random process and is represented by a deterministic graph G = {V , L}, where V and L are, respectively, the set of nodes and the set of valid radio links l(x, x ) Under the hypothesis of switched ... associated random graph G p(x,x ) (N) model, where N is the number of nodes, and p(x, x ) the probability of having a link (edge) between two nodes positioned at x and x , respectively A pure random...
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Evaluation of the impact of furniture on communications performance for ubiquitous deployment of wireless sensor network
... Management of Universities and Science Policy of Murcia Region, through aid to Technological and European Centres of business and innovation in Murcia (CEEIs) to carry out activities and projects of ... sensing/actuation of common objects like furniture and software capable of reasoning and inferring information extracted from sensors, allowing the system to alert of possible anomalous situations and even ... 2.3 WSN Software Tool There is a large list of software tools (middleware, operating systems and simulators) for research and design of WSN This subsection only summarizes different software tools...
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A study on maximizing the lifetime of wireless sensor networks
... Kaohsiung University of Applied Sciences in Partial Fulfillment of the Requirements for the Degree of PhD of Engineering in Electronic Engineering July 2015 Kaohsiung, Taiwan, Republic of China 中 華 民 ... Sciences and Institute of Electronic Engineering, for providing me with a precious scholarship and resources for me to concentrate on pursuing a PhD In additon, I would thank all the professors of ... the professors of Department of Electronic Engineering for taking a course with them and gain knowledge and gaining a style of teaching from them during the period of my researching in KUAS I...
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Real-Time Digital Signal Processing - Chapter 5: Design and Implementation of FIR Filters
... realizable Instead we must compromise and accept a more gradual cutoff between passband and stopband, as well as specify a transition band between the passband and stopband The design is based on magnitude ... Magnitude response of bandpass filter with narrow bandwidth 188 DESIGN AND IMPLEMENTATION OF FIR FILTERS where !a and !b are the lower and upper cut-off frequencies, respectively The bandwidth is the ... the center frequency and the bandwidth of the passband A narrow bandpass filter may be called a resonator (or peaking) filter The magnitude response of an ideal bandstop (or band-reject) filter...
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Real-Time Digital Signal Processing - Chapter 6: Design and Implementation of IIR Filters
... frequency range of stopband is < F < Ws, the passband is Wp < F < 1, and Wp > Ws For bandpass and bandstop filters, Wp and Ws are two-element vectors that specify the transition bandages, with ... Chebyshev type II, and elliptic filters, respectively The parameters Wp and Ws are the normalized passband and stopband edge frequencies, respectively The range of Wp and Ws are between and 1, where ... passband and the stopband The Butterworth filter has a completely flat magnitude response over the passband and the stopband It is often referred to as the `maximally flat' filter This flat passband...
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Báo cáo hóa học: " Research Article Design and Implementation of a Lightweight Security Model to Prevent IEEE 802.11 Wireless DoS Attacks" pdf
... Comparison The impact of the ACFNC model on delay of the TCP and UDP packets are presented in Figures 9(a) and 9(b), respectively As the above results show, regardless of the type of traffic or the models, ... disabled throughout the communications The TCP and UDP results show that delay of the ACFNC model and standard model have the same pattern and level of variations This proves that the four bytes ... field) compared to the standard model is about 4% and 6% when the handshake is disabled and enabled, respectively The 4% or 6% security cost prove high efficiency and practically of the ACFNC model when...
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Báo cáo hóa học: " Research Article Design and Implementation of a Generic Energy-Harvesting Framework Applied to the Evaluation of a Large-Scale Electronic Shelf-Labeling Wireless Sensor Network" pdf
... consumption of the label We identified four requirements of our EHESL system Lifetime of the Network and Low Maintenance Cost The expected lifetime of an EHESL system is at least 10 years, and retailers ... on the input of the ADC (the maximum input voltage of ADC4 of the MSP430) 5.2 Environment Emulator: Software We already know that the capacitance (stated in terms of the amount of charge (Q) ... “interSampleDelay” Δt of 250 μs, and a “harvestMultiplier” of 1; the unit of the equivalent capacitance of the virtual capacitor is μF(11) (200 k is 1F) EURASIP Journal on Wireless Communications and Networking...
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Báo cáo hóa học: " Research Article Modelling and Implementation of QoS in Wireless Sensor Networks: A Multiconstrained Traffic Engineering Model" pdf
... laboratory of the department of computer science of the University of Cape Town for proofreading and reviewing an initial version of this paper He is grateful to Muthoni, Ashish, and Pheeha for ... where α and β are, respectively, the probabilities of meeting the delay and reliability constraints; Rıj and Dıj are, respectively, the reliability and delay of the link ıj while rıj and dıj ... impact of reliability on TE parameters (iv) Quality of Paths The quality of paths used by MCMP and ECMP schemes indicates the path length (number of hops of paths used), path usage (frequency of...
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Báo cáo hóa học: " Research Article Design and Implementation of Numerical Linear Algebra Algorithms on Fixed Point DSPs" pot
... He received his B.S and M.S degrees from School of Electrical Engineering, University of Belgrade, in 1989 and the Ph.D degree in biomedical engineering from the University of Miami, Florida in ... internal architecture, number and size of the internal data paths, type and bandwidth of the external memory interface, number and precision of functional units, and cache architecture all play ... SELECTION The vitality of the field of matrix computation stems from its importance to a wide area of scientific and engineering applications on the one hand, and the advances in computer technology on...
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Báo cáo hóa học: " Design and Implementation of MC-CDMA Systems for Future Wireless Networks" doc
... system-analysis and optimization of detection, decoding, and channel estimation, Ph.D thesis, University of Munich, Munich, Germany, 1998 T S¨ lzer, D Mottier, and L Brunel, “Influence of system a ... Systems: A Specification and Design Methodology, vol 23 of Wiley Series in Software Engineering Practice Ser., John Wiley & Sons, New York, NY, USA, 1993 T Grandpierre, C Lavarenne, and Y Sorel, “Optimized ... arrangement of these pilots must guarantee an optimum sampling of the channel transfer function in time and in frequency, depending on the bandwidth coherence and on the time coherence of the channel...
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DESIGN AND IMPLEMENTATION OF WEB-BASED DATA AND NETWORK MANAGEMENT SYSTEM FOR HETEROGENEOUS WIRELESS SENSOR NETWORKS
... committee members Prof Yuni Xia and Prof Xukai Zou for their time and guidance In addition, I would like to thank Prof Arjan Durresi, Prof Yuni Xia, Prof Xukai Zou and Prof Rajeev Raje for their ... Virtual Command or a sequence of Virtual Commands from the VCS, and each individual Virtual Command could be either partially or completely mapped to a combination of some existing Command Services ... VCS and be freed from handling the details early on with the variety of WSN platforms, in the section 5.4 of Chapter 5, VCS reuse and extension are studied and implemented 12 The advantage of...
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Analysis, design and implementation of energy harvesting systems for wireless sensor nodes
... diagram of the piezoelectric wind energy harvester system 102 2.45 Waveforms of (a) Charging and Discharging of the output voltage of energy storage and supply circuit and (b) Output voltage of voltage ... lux and ∆T=5o C (top) and (b) 1010 lux and ∆T=10o C (bottom) respectively.216 5.24 P-V and P-R curves of HEH system at fixed solar irradiance of 380 lux ( W/m2 ) and different thermal differences of ... differences of T=5 K and varying solar irradiances of 380-1010 lux 219 5.27 P-V and P-R curves of HEH system at fixed thermal differences of T=10 K and varying solar irradiances of 380-1010...
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The Design and Implementation of a Log-Structured File System
... us to understand the effects of random access patterns and locality, both of which can be exploited to reduce the cost of cleaning The simulator models a file system as a fixed number of 4-kbyte ... on disk and in terms of how much of the data written to the log they represent More than 99% of the live data on disk consists of file data blocks and indirect blocks However, about 13% of the ... is found in of ce and engineering environments Of ce and engineering applications tend to be dominated by accesses to small files; several studies have measured mean file sizes of only a few kilobytes[1,...
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