data warehousing architecture and implementation choices

... between an enterprise-wide data warehouse and localized data marts Recognize the difference between independent and dependent data marts Identify the data that is stored in a data warehouse Explain ... Examine data needed  Ascertain data availability  Determine data frequency  Decide the refresh cycle Types of Warehouse Data    Fact data - Measures Dimension data - Query drivers Summary data ... attributes, and relationships  Re-engineer the source data  Design the database  Integrate the model into the warehouse architecture repository  Review with client and revise  Oracle Data Warehouse...

Ngày tải lên: 25/04/2013, 20:33

... and seamless hardware and software solution Thanks to Oracle Exadata Database Machine’s scalability the bank is well prepared to handle future volume increases and greater reporting demands Implementation ... (TB) of data Escalating data and reporting demands—stemming from internal needs and external legal requirements—require strategic realignment to new data management methods With the implementation ... data volume, data warehouse users, and complexity of business intelligence demands Solutions •• •• Deployed Oracle Exadata Database Machine to improve data warehouse performance and to scale...

Ngày tải lên: 23/03/2014, 08:21

... Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation, Edited by Mohammad A Matin p cm ISBN 978-953-307-461-0 free online editions of InTech Books and Journals ... Estimator-Correlator Concept 65 Antti Anttonen, Aarne Mämmelä and Subbarayan Pasupathy Part Hardware Architecture and Implementation 89 Chapter Ultra-Wideband RF Transceiver Design in CMOS Technology 91 Lingli ... Amplifiers From Innovative Technology to Standard Products 213 Andrey Kistchinsky Chapter 12 A Method for Improving Out-Of-Band Characteristics of a Wideband Bandpass Filter in an LTCC Substrate 233...

Ngày tải lên: 20/06/2014, 05:20

... Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation Will-be-set-by-IN-TECH 3.3 Analysis of symbol-rate sampled data Y1 [ n ] The symbol-rate sampled data Y1 [ ... on Microwave Theory and Techniques, Vol.44, No.12, (December 1996), pp 2743-2750, ISSN: 0018-9480 16 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation Green, ... Schemes and Channel Estimation Algorithms of Ultra-Wideband Signals Low Sampling Rate Time Acquisition Schemes and Channel Estimation Algorithms of Ultra-wideband Signals 27 11 4.2 The choices...

Ngày tải lên: 20/06/2014, 05:20

... distribution fits the measurement data better In 52 Ultra Wideband Communications: Novel Trends – System, Ultra Wideband Communications Novel Trends Book Architecture and Implementation addition, independent ... with a 60 Ultra Wideband Communications: Novel Trends – System, Ultra Wideband Communications Novel Trends Book Architecture and Implementation 12 RAKE−GA for CM3 with P=100 and G=10 10 L=5 L=10 ... environment 46 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation 4.2 Comparisons of characteristics for the number of selective RAKE fingers Under CM4 and CM1 environments,...

Ngày tải lên: 20/06/2014, 05:20

... continuous phase wideband and narrowband signals in (Hirt & Pasupathy, 1981; Pandey et al., 1992) 68 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation A generalized ... Wideband Communications: Novel Trends – System, Architecture and Implementation symbol waveforms are known including the absolute phase Obviously, there are also other interesting physical and ... (linear modulation assumed) 76 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation constructively The difference between DD and ED is clear, i.e., for ED the correlation...

Ngày tải lên: 20/06/2014, 05:20

... pulses with peak-to-peak voltage of 240 mV, 170 mV and 115 108 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation mV and the frequency center of the spectrum has ... system since the BB signal bandwidth is as high as 264 MHz Fig Direct-conversion Transceiver 94 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation 2.2 Pulse-based ... of band interferences and noise to improve the dynamic range and linearity of the receiver and also to relax the stringent requirement on the ADC performance Furthermore, the ultra-wideband impedance...

Ngày tải lên: 20/06/2014, 05:20

... the linear mode 116 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation Superregenerative architectures for narrowband, wideband and UWB signal reception Although ... acquisition and tracking techniques must be implemented The SR architectures described above are compared in Table 120 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation ... width) and -3-dB reception bandwidth Δf-3dB (= optimum received-pulse bandwidth) at a frequency of GHz for different values of Q0 and tf 130 Ultra Wideband Communications: Novel Trends – System, Architecture...

Ngày tải lên: 20/06/2014, 05:20

... Fig 12 COB and die photo Programmable Divider Phase Shifter nd Data Modulation PRBS & Data Transit 149 13 150 14 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation ... Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation Will-be-set-by-IN-TECH recovered Rx clock, and finally the received demodulated data at 125Mpbs and 500Mbps ... 140 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation Will-be-set-by-IN-TECH System analysis and operation principle 2.1 Transmission power and pulse shaping...

Ngày tải lên: 20/06/2014, 05:20

... for the full-band frequency synthesis (Batra et al., 2004b; Mishra et al., 2005) 182 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation Ultra Wideband Communications: ... highlighting the advantages and the disadvantages and commenting on the feasibility of the two architectures The state of the art - PLL and sideband (SSB) mixer approach 2.1 Architectures By far, the ... 184 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation Ultra Wideband Communications: Novel Trends Fig Generation of MB-OFDM alternate plan bands 1, 3, 4, (Mishra...

Ngày tải lên: 20/06/2014, 05:20

... Trends – System, Architecture and Implementation Ultra Wideband Communications: Novel Trends Mishra, C et al (2005) Frequency planning and synthesizer architectures for multiband OFDM UWB radios, ... Wideband Communications: Novel Trends – System, Architecture and Implementation Ultra Wideband Communications: Novel Trends Fig 17 Proposed DLL-based Frequency Synthesizer for BG 1, BG and BG ... cascaded DDS output frequency and k is an integer number (19) 198 18 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation Ultra Wideband Communications: Novel Trends...

Ngày tải lên: 20/06/2014, 05:20

... on GaAs and GaN technologies in the frequency ranges of 2-6 GHz and 6-18 GHz having frequency coverage of 3:1 226 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation ... Resonator Fig Schematic of the UWB bandpass filter for the low-frequency band θE 236 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation C1 1.0pF ZA 46.3 ohm ... SEDI EGNB180M1A 224 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation drain DC bias circuit, which can be performed as a very wideband one The maximum working...

Ngày tải lên: 20/06/2014, 05:20

... Out-Of-Band Characteristics of a Wideband Bandpass Filter in an LTCC Substrate Fig 12 Top view of the filter 241 242 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation ... less than 3.0dB and the group delay is within ns in the wide passband Fig 15 Photograph of the prototype 244 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation ... wideband bandpass filter exhibiting left-handed and right-handed behaviors IEICE Transactions on Electronics, Vol E89-C, No 9, pp 1348-1350 Yamamoto, Y., Li, K & Hashimoto, O.(2007) Ultra-wideband...

Ngày tải lên: 20/06/2014, 05:20

... handshaking stage between a sender and receiver The proposed allocation scheme relies on two handshakes between the sender and its neighbors to obtain the required information for link rate and ... channel allocation scheme is proposed by efficiently allocating power, data rate and sub-bands among all the users The sub-band and power assignment problem is formulated as an optimization problem ... the need of such parameter for accurate and realistic evaluation of the system 274 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation level performance but also...

Ngày tải lên: 20/06/2014, 05:20

... envisioned for the wideband PHY proposal only, i.e., UWB-PHY On the other hand, medical applications use the narrowband and wideband PHYs Therefore, we focus on the UWBPHY for designing and showing the ... existing ISM bands as well as frequency bands approved by national medical and/ or regulatory authorities such as UWB(Ultra Wide Band) Quality of service (QoS), extremely low power, and data rates ... encoding the data packet c0 After receiving the data (or parity) packet or parity packet, previous data (or parity) packet is discarded and combined with previous parity (or data) packet And the receivers...

Ngày tải lên: 20/06/2014, 05:20

... standards These products operate in the 2.4 and 5.8 GHz bands and provide a user capacity up to 54 Mb/s Currently, IEEE 802.15.3c and WirelessHD, the two well-known 60 GHz standards for WLANs and ... 3PLAY (LTE, WiMAX and UWB) distribution in FTTH access networks and radio propagation at user premises 318 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation This ... 316 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation FTTH enables the delivery of savings due to reductions in cost for network, central office and outside plant...

Ngày tải lên: 20/06/2014, 05:20

... A.; Rolland, N.; & Rolland, P A Transposition of a base band ultra wide band width impulse radio signal at 60 GHz for high data 348 Ultra Wideband Communications: Novel Trends – System, Architecture ... 340 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation     Baseband - RFIN + Six -Port LNA I - Q + LO Fig Conventional and Six-Port Receivers 1.0 ... Fig 14 Transmission, return loss, and isolation measurements results: Hybrid coupler 344 Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation I/Q signals (V) 0.10...

Ngày tải lên: 20/06/2014, 05:20

... Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation Will-be-set-by-IN-TECH 3.3 Analysis of symbol-rate sampled data Y1 [ n ] The symbol-rate sampled data Y1 [ ... Estimator-Correlator Concept 65 Antti Anttonen, Aarne Mämmelä and Subbarayan Pasupathy Part Hardware Architecture and Implementation 89 Chapter Ultra-Wideband RF Transceiver Design in CMOS Technology 91 Lingli ... Amplifiers From Innovative Technology to Standard Products 213 Andrey Kistchinsky Chapter 12 A Method for Improving Out-Of-Band Characteristics of a Wideband Bandpass Filter in an LTCC Substrate 233...

Ngày tải lên: 26/06/2014, 23:20

... Ultra Wideband Communications: Novel Trends – System, Architecture and Implementation Will-be-set-by-IN-TECH 3.3 Analysis of symbol-rate sampled data Y1 [ n ] The symbol-rate sampled data Y1 [ ... Estimator-Correlator Concept 65 Antti Anttonen, Aarne Mämmelä and Subbarayan Pasupathy Part Hardware Architecture and Implementation 89 Chapter Ultra-Wideband RF Transceiver Design in CMOS Technology 91 Lingli ... Amplifiers From Innovative Technology to Standard Products 213 Andrey Kistchinsky Chapter 12 A Method for Improving Out-Of-Band Characteristics of a Wideband Bandpass Filter in an LTCC Substrate 233...

Ngày tải lên: 29/06/2014, 13:20

... Middleware and Connectivity Tools Extraction Tools Transformation Tools Data Quality Tools Data Loaders Database Management Systems Metadata Repository Data Access and Retrieval Tools Data Modeling ... Data Warehousing Fit into My IT Architecture? How Many Vendors Do I Need to Talk to? What Should I Look for in a Data Warehouse Vendor? How Does Data Warehousing Affect My Existing Systems? Data ... Schemas Core and Custom Tables In Summary 13 Warehouse Metadata Metadata Are a Form of Abstration Why Are Metadata Important? Metadata Types Versioning Metadata as the Basis for Automating Warehousing...

Ngày tải lên: 14/08/2014, 06:22