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The Future of Wireless Banking Implementation of Wireless Banking and Financial Systems
Ngày tải lên :
26/10/2013, 16:15
... additional security verification The application server communicates with the gateway server for the specific device that initiates the request The gateway will push the information to the handheld ... of communicating; they require their own Gateways to communicate to the application servers Various sizes of screens create different data and screen layouts Different keyboards generate different ... User Profile Data Formatted according to user's handheld device Data Source Pushing or Pulling data? Pull technology is when the handheld device initiates the communication using it’s gateway, requesting...
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Báo cáo hóa học: " Research Article Prototype Implementation of Two Efficient Low-Complexity Digital Predistortion Algorithms" potx
Ngày tải lên :
22/06/2014, 19:20
... feedback path is used to feed the output signal back to the PD identification algorithm in order to track the behaviour fluctuation of the PA due to temperature variation, aging, or changing of operational ... transformation matrix is used in the ICM method [28] for finding the PD coordinates Consider a unit desired linear gain at the output of the PD-PA cascade The transformation of b to the image coordinates ... with quadratic order If εi [n] = zi [n] − z∗ [n] / z∗ [n] denotes the relative error at iteration-step i, then εi+1 [n]∼εi [n]2 (19) This rapid convergence is achieved at a high computational...
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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
Ngày tải lên :
21/06/2014, 20:20
... number of lines that is generated at the first scale when one line is generated in the fourth scale is equal to eight This means that the lowest-memory requirement that we can achieve at each subband ... spatial area corresponding to approximately a × area of the original image, the number of image rows that needs to be fed into the DWT MODULE is equal to 16 lines Equation (3) shows the relationship ... available at a time Thus, during the implementation of the strip-based 5/3 transformation, a symmetric extension using reflection method is applied at the edges of the strip image data as shown...
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Báo cáo hóa học: " Research Article Implementation of Wireless Communications Systems on FPGA-Based Platforms" pptx
Ngày tải lên :
22/06/2014, 22:20
... 922 922 922 Frequency domain equalization Word level-multiplications, additions, memory accesses 132 132 132 132 132 132 132 Constellation demapping Group of bits-LUT accesses 48 48 240 240 288 ... operations per second—MOPS (assuming that all operations, e.g., arithmetic, logical are treated the same) FUNCTIONAL SPECIFICATION OF HIPERLAN/2 SYSTEM Given that the architecture exploration ... architecture exploration does not commence from scratch This is mainly due to the fact that we have to develop the system in a way that is compatible with other products of the same family For that reason,...
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On reliable and scalable management of wireless sensor networks
Ngày tải lên :
05/07/2016, 15:00
... 113 113 114 117 121 122 125 127 128 130 135 136 Experiment Orchestration 138 6.1 Introduction 6.2 Experimentation Patterns for Automation 6.2.1 Iterative ... experimentation patterns in sensor networks and design management services and tools that allow users to orchestrate network operation in an automated manner 1.5 Organization of the Dissertation ... than in Table 2.3 The data in Table 2.3 also indicates that localization faults have a non-trivial impact on the performance of routing protocols that use localization information to select parent...
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On the Lifetime of Wireless Sensor Networks
Ngày tải lên :
28/04/2014, 13:38
... received by a sink node—that the packet delivery ratio must be at least cdr As before, time-integrated delivery ratio requires that the delivery ratio has to be greater than cdr in each time ... coverage, so that not all of the covering nodes can find a path to a base station 5.6.3 Evaluation of Time-Integrated Criteria Figure provides an illustration of the effects that the time-integration parameter ... sensor type y indicates to what degree liveliness criterion ** is fulfilled at time t indicates to what degree the network is considered alive at time t its different parts and evaluate the lifetime...
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Báo cáo hóa học: " Research Article Impact of Radio Link Unreliability on the Connectivity of Wireless Sensor Networks" pptx
Ngày tải lên :
22/06/2014, 19:20
... were validated by simulation in Section An important result was found stating that the suboptimal power detection level was valid whatever were the fading strength and the path-loss attenuation slope ... deformation is introduced as an uncorrelated process The most important result issued from these works is that path-loss variations help to maintain the network connectivity The radiation pattern ... the curves reach a plateau At this distance, the probability of having a new neighbor is negligible Keeping Nb fixed, the plateau is reached whatever α is, approximately at the same SNR threshold,...
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Evaluation of the impact of furniture on communications performance for ubiquitous deployment of wireless sensor network
Ngày tải lên :
05/12/2015, 22:57
... information about aspects such as the recommendations for sensor location, the required power, battery lifetime, etc Moreover, this tool estimates the signal degradation of different materials, ... the materials that are analysed in this study Later, in Section 4.2, we present the experimental methodology that we have followed in order to evaluate and compare the effects on signal attenuation ... Agglomerate board 16.33 Plastic wood 9.9 Figure 23 Measurements with wood materials Comparative graph of strength losses signal of wood materials 170 160 LQI value 150 140 130 120 110 100 100 200 300 ...
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A study on maximizing the lifetime of wireless sensor networks
Ngày tải lên :
20/05/2016, 21:46
... constructing data aggregation trees such that the total energy cost for gathering data is minimized In [13] , Liu and Jhang propose novel data aggregation and routing structures for gathering data With ... and data aggregation tree structure of the network 2.2.2 The problem of Data aggregation The most importance operation in these applications in WSNs is data aggregation, to collect sensing data ... structures, a distributed data scheduling algorithm is proposed to schedule data to nodes such that the energy cost for gathering data is minimized, when all data are aggregated at most once However,...
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Real-Time Digital Signal Processing - Chapter 5: Design and Implementation of FIR Filters
Ngày tải lên :
23/10/2013, 22:15
... range of frequencies that are 184 DESIGN AND IMPLEMENTATION OF FIR FILTERS passed without attenuation is the passband of the filter, and the range of frequencies that is attenuated is the stopband ... map */ #pragma DATA_SECTION(LP_h, "fir_coef") ; #pragma DATA_SECTION(x, "fir_data") ; #pragma DATA_SECTION(index, "fir_data") ; #pragma DATA_SECTION(out, "output") ; #pragma DATA_SECTION(in, ... pragma directive that allocates data objects to a named data section The syntax of the pragma is given as: #pragma DATA_SECTION(var_name, "section_name"); 230 DESIGN AND IMPLEMENTATION OF FIR FILTERS...
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Real-Time Digital Signal Processing - Chapter 6: Design and Implementation of IIR Filters
Ngày tải lên :
28/10/2013, 05:15
... 32-bit result f (SATD, SMUL and FRCT set) c _abss(int a) ; Creates a saturated 16-bit absolute value c jaj, _abss(0x8000) > 0x7FFF (SATA set) f _labss(long d) ; Creates a saturated 32-bit absolute ... implementing DSP algorithms such as filtering that require intensive multiply/accumulate operations, while C code can well in data manipulation such as data formatting and arrangement SOFTWARE DEVELOPMENTS ... iir()will attenuate high-frequency components from the input signal generated by the signal generator signal_gen2(), which uses the recursive sinewave generator sine()to generate three sinewaves at...
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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
Ngày tải lên :
21/06/2014, 05:20
... intervals The first 30 seconds is considered a duration at which the wireless network is under normal condition with no attack At the second 30 seconds, the attacker launches synchronization attack against ... duration at which the network is under normal conditions with no attack The second 30 seconds is the attack duration During the entire period, different types of DoS attacks are conducted separately ... access point Protected wireless station1 Protected wireless station2 Authorized area Attacker: 1: DoS attacks 2: Synchronization attack Attacker area Figure 4: Simulation environment B for the ACFNC...
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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
Ngày tải lên :
21/06/2014, 11:20
... required by the application or system (application profile) Figure illustrates this behavior The application profile A of a typical monitoring application is relatively at, except for periodical ... and a correlated simulation is needed to evaluate an algorithm, a protocol, or a system For our WGSN research, a generic energy-harvesting framework that is able to simulate and emulate an energy ... capacitor, but rather build up in equal and opposite quantities on the electrodes; As each electron accumulates on the negative plate, one leaves the positive plate Thus the accumulated charge on...
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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
Ngày tải lên :
21/06/2014, 17:20
... 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 reuse of the same paths), and path multiplicity ... quality of service (QoS) received by the information carried by a path or a path set 2.1 Path Delay, Energy, and Reliability Path Delay The path delay, that is, the delay between the node s1 and s ... passes this information to a gateway communicating with the task manager node using the Internet, wireless communication such as WiFI, WiMax, or a satellite link as illustrated by Figure When...
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Báo cáo hóa học: " Research Article Design and Implementation of Numerical Linear Algebra Algorithms on Fixed Point DSPs" pot
Ngày tải lên :
22/06/2014, 19:20
... class Static member: VarList (a linked list of statistics): Statistics x Update stats Statistics y ··· Update stats ti float X ti float Y Statistics z Update stats ··· ti float Z Figure 5: ti float class ... -o3 Floating point emulation C64x+ -pm -o3 IQMath C64x+ -pm -o3 Inlined IQMath C64x+ -pm -o3 3200 544 1440 137 6 2112 300 8 512 1440 131 2 2048 2976 676 132 8 1756 1888 2688 448 1152 1024 134 4 2528 ... 30 × 30 matrices computational accuracy decreases due to the increase in number of arithmetic operations required to calculate matrix decompositions (lower panel in Figure 15) For 30 × 30 matrices,...
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Báo cáo hóa học: " Design and Implementation of MC-CDMA Systems for Future Wireless Networks" doc
Ngày tải lên :
23/06/2014, 01:20
... illustrated in Figure 13 Data reception Estimated computation time Figure 13: Matching exploration result Thanks to this exploration step, different distribution performances can easily be investigated, ... Data transmission Conditional wait FIFO communication Operation (a) Temporal execution ··· Functions execution F Data generation I/O DataE F Modulator twr cwr ··· tf ··· ··· I/O Modulated data ... efficient design flow integrating system modelisation, algorithms complexity evaluation, architectural exploration, automatic code generation, and implementation on the testbed platform This paper is...
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DESIGN AND IMPLEMENTATION OF WEB-BASED DATA AND NETWORK MANAGEMENT SYSTEM FOR HETEROGENEOUS WIRELESS SENSOR NETWORKS
Ngày tải lên :
24/08/2014, 10:50
... SET_RATE …… …… Gateway Service Configuration A series of available files with format “.xml” or “.txt” configuring various WSN gateway status information, spatial information, the available 16 gateway ... details • Platform Configuration The target platform information is defined such as Platform Name and Platform ID and the corresponding Gateway Code in these metadata files • Gateway Configuration ... H-WSNMS_ServicInfor 86 Table D.2 Datatable H-WSNMS_PlatformState 86 Table D.3 Datatable H-WSNMS_SocketInfor 87 Table D.4 Datatable H-WSNMS_GatewayConfig 87 vii LIST OF...
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Analysis, design and implementation of energy harvesting systems for wireless sensor nodes
Ngày tải lên :
11/09/2015, 09:16
... 119 3.7 Operation of resistor emulation based MPP tracker under varying temperature differences 121 3.8 Operation of resistor emulation based MPP tracker at 10 kΩ loading ... 127 3.12 Operation of the wireless sensor node 129 3 .13 Operation of wireless sensor node 130 3.14 Efficiency of buck converter with resistor emulation based ... other Hence, the sensor node at source generates information, which is encoded and transmitted to destination, and the destination sensor node decodes the information for the user This entire...
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The Design and Implementation of a Log-Structured File System
Ngày tải lên :
12/09/2012, 15:05
... as the most up to date ‘‘truth’’ about the state of the data on disk The main difference is that database systems not use the log as the final repository for data: a separate data area is reserved ... single disk write operation The information written to disk in the write operation includes file data blocks, attributes, index blocks, In Unix FFS each inode is at a fixed location on disk; given ... random disk I/Os, and the creation and deletion times for such files are often dominated by updates to file system ‘‘metadata’’ (the data structures used to locate the attributes and blocks of the...
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