research in internet scale computing systems
research in internet-scale computing systems
... study mentions Berkeley in of 19 $1B+ industries from IT research, Stanford times • Timesharing (SDS 940), Client-Server Computing (BSD Unix), Graphics, Entertainment, Internet, LANs, Workstations ... engine – Success = Train students to go forth and replicate – Promiscuous publication, including source code – Ideal launching point for startups 14 Why a New Funding Model? • DARPA has exiting ... long-term research in experimental computing systems • NSF swamped with proposals, yielding even more conservative decisions • Community emphasis on theoretical vs experimentaloriented systems- building...
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2015 energy efficient active tag searching in large scale RFID systems
... logistics industry, and inventory control in retailing industry Although there are some prior studies on improving time efficiency of tag searching, energy efficiency in tag searching has not been investigated ... remaining tags as the local searching result SðRi Þ We can obtain the final searching result by combining all the local searching results of the M readers We now analyze how to set k and f k to minimize ... TSiM is poor The authors also considered joint optimization of tag searching and reader scheduling in [36] The Searching by iterative Testing and Eliminating Protocol (STEP) [19] can guarantee that...
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biskup - security in computing systems (springer, 2009)
... Security in computing can greatly benefit from our experiences in other fields, though the innovative sides of computing often demand original solutions Additionally, since computing means employing ... as intellectual value produced and then owned by the originator 14 Introduction • Criminal acts identify definitely offending behavior within computing systems and thereby aim at restricting ... prepared to understand inference control as a basic goal of engineering security in computing systems Sequential programs, parallel programs, (logic-oriented) information systems in general and statistical...
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A Systems Approach to Conduct an Effective Literature Review in Support of Information Systems Research
... deciding, recommending, selecting, judging, explaining, discriminating, supporting, and concluding The essential evaluation in the literature review is to clearly distinguish among opinions, theories, ... demonstrated by activities such as separating, connecting, comparing, selecting, and explaining In essence, analysis entails identifying why the information being presented is of importance Figure ... term Manufacturing Resource Planning or Material Requirements Planning (MRP) systems in the 1970s-1980s became Enterprise Resource Planning (ERP) systems in the 1990s The novice IS researchers may...
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Báo cáo hóa học: "A framework for ABFT techniques in the design of fault-tolerant computing systems" pot
... may find applications in channel coding for communication systems and in fault-tolerant data processing systems containing error correction Real-number codes can be constructed easily from finite-field ... with input memory order m; that is, inputs remain in the encoder for an additional m time units after entering Typically, n and k are small integers, k < n, the information sequence is divided into ... code in systematic form [16] is used to compute parity values associated with the processing outputs as shown in Figure Certain classes of errors occurring anywhere in the overall system including...
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Báo cáo hóa học: " Adaptive antenna selection and Tx/Rx beamforming for large-scale MIMO systems in 60 GHz channels" pptx
... summarized in Algorithm In what follows we discuss the form of the objective function j(·) in (8) and its calculation 3.2 Estimating the principal singular value using Gerschgorin circle The Gerschgorin ... selection and Tx/Rx beamforming for large -scale MIMO systems in 60 GHz channels EURASIP Journal on Wireless Communications and Networking 2011 2011:59 Note Note that in obtaining (20) without loss ... first entry serving as the index of the antenna subset and the other entry indicating the corresponding occupation probability We divide each iteration into nt + nr subiterations, and in each sub-iteration,...
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báo cáo hóa học:" Research Article Two-Scale Convergence of Stekloff Eigenvalue Problems in Perforated Domains" pot
... and l a continuous linear mapping of H# Y into F, then there ∗ exists a unique continuous linear mapping L : H# Y → F such that l L ◦ i Proposition 3.4 Let j 1, , N, and fix x in Ω The noncoercive ... de Chile, Informe Interno, No MA88-8-352 H Douanla and N Svanstedt, “Reiterated homogenization of linear eigenvalue problems in multiscale perforated domains beyond the periodic setting,” Communications ... Communications in Mathematical Analysis, vol 11, no 1, pp 61–93, 2011 S Kaizu, “Homogenization of eigenvalue problems for the Laplace operator with nonlinear terms in domains in many tiny holes,” Nonlinear...
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Báo cáo hóa học: " Research Article Cross-Layer Design in Dynamic Spectrum Sharing Systems" potx
... we obtained it by assuming equality in expression (8) and replacing (7) in the average interference constraint equation (6) C2 corresponds to the instantaneous PER constraint It can v be shown ... determined by substituting the boundary points in average interference constraint C1 of (10) with equality sign We use numerical methods to determine λ Value of λ corresponds to the boundary points ... combining ARQ with AMC achieves significant gain in ASE depending on the maximum number of retransmissions initiated by ARQ protocol The results further lead to the conclusion that increasing...
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Báo cáo hóa học: " Research Article In Situ Key Establishment in Large-Scale Sensor Networks" pdf
... Networking encrypting a shared key ks between a service sensor and itself in secure channel establishment, decoding the keying information obtained from the associated service node in keying information ... summarized in Section Preliminaries, models, and assumptions are sketched in Section The insitu key establishment framework is introduced in Section 4, and the three instantiations are outlined in Section ... as sacrifices for disseminating keying information to worker sensors in the vicinity Worker sensors are in charge of normal network operations such as sensing and reporting Two worker sensors...
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báo cáo hóa học:" Research Article Automatic Speech Recognition Systems for the Evaluation of Voice and Speech Disorders in Head and Neck Cancer" pdf
... scales such as visual analogue scales, because the interval size of an equal-appearing interval scale might be not equal in all continua Hence, statistical analyses which not take this fact into ... decided in favour of the equalappearing interval scale for the sake of comparability with earlier results of our group Hence, for statistical analyses one has to keep in mind that the equal-appearing ... sequence, is considered to hold the important information In this manner also equal-appearing scales such as Likert scales are reliably examined in a statistical regression analysis Other agreement...
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báo cáo hóa học:" Research Article Restless Watchdog: Selective Quickest Spectrum Sensing in Multichannel Cognitive Radio Systems Husheng Li" ppt
... spectrum sensing is continuous in time In practical systems, data transmission is carried out orthogonally to the spectrum sensing, either in frequency or in time When the orthogonality is in frequency, ... , minCm n | X0 , minCm n | X0 n=m / n=m / , (7) where the operation of minimization stands for choosing the action incurring the minimum cost Note that, in (7), EURASIP Journal on Advances in ... sensing with blind period in 10 EURASIP Journal on Advances in Signal Processing Appendices Similarly, we have A Dynamic Programming t P X0 | T1 = s1 In this section, we briefly introduce the principle...
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Báo cáo hóa học: "Research Article Performance of Coded Systems with Generalized Selection Diversity in Nakagami Fading" docx
... B Adinoyi and S A Al-Semari, “Performance of coherent schemes with generalized selection combining in Rayleigh fading,” in Proceedings of the 12th IEEE International Symposium on Personal, Indoor ... of combined diversity branches increases, the cutoff rate increases This is expected since combining more diversity branches increases the reliability of the communication system allowing higher ... 1/sin2 θ, and the product is due to the independence of the fading variables affecting different symbols Note that the expectation in (16) is the same as (3) Thus starting from (9), and making...
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Báo cáo hóa học: " Research Article Turbo Processing for Joint Channel Estimation, Synchronization, and Decoding in Coded MIMO-OFDM Systems" pdf
... observed in (4), the CFO and SFO induce the timedomain phase rotation that will translate into intercarrier interference (ICI), attenuation, and phase rotation in the frequency domain as shown in the ... exchange of the extrinsic information between the constituent functional blocks in the receiver By using the known training sequence Xm (k) in the preamble segment of a burst, initial estimates ... S Ouyang, “Jointly tracking dispersive channels and carrier frequency-offset in MIMO-OFDM systems, ” in Proceedings of the International Conference on Communications, Circuits and Systems (ICCCAS...
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Báo cáo hóa học: "Research Article Feedback Reduction in Uplink MIMO OFDM Systems by Chunk Optimization" doc
... satisfies wπ ≥ wπ ≥ · · · ≥ wπ K ≥ By inserting the optimal decoding order into (8) and collecting two succeeding terms in the sum, we obtain the programming problem in (3) The optimization problem ... notes on alternating optimization,” in Proceedings of the Advances in Soft Computing AFSS 2002: 2002 AFSS International Conference on Fuzzy Systems, vol 2275 of Lecture Notes in Computer Science, ... the MIMO OFDM MAC under individual power constraints and under chunk constraints In order to reduce the feedback overhead by informing the mobiles of their linear precoding matrices, the optimal...
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Báo cáo nghiên cứu nông nghiệp " Enhanced Capacity and Research in AgroForestry systems for livestock feeding and sustainable land use in Vietnam " potx
... management in smallholder farming systems In all three target provinces, minority communities including Hmong, Thai and Dao were involved in project activities The Mai Chau district of Hoa Binh Province ... day programs ♦ Following this initial training, training courses of approximately four days duration will be conducted by staff trained in the first workshop in two Provinces per year These courses ... NIAH and RCFTI involved in agroforestry for livestock will be identified and trained in a "train-the-trainers" participatory workshop held in one of the provincial locations Training will be based...
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Báo cáo hóa học: " Research Article On Intercell Interference and Its Cancellation in Cellular Multicarrier CDMA Systems Simon Plass German Aer" potx
... Springer, Herrsching, Germany, May 2007 [21] S Plass, “Investigations on soft inter-cell interference cancellation in OFDM-CDM systems, ” in Proceedings of the 12th International OFDM Workshop (InOWo ... order of interfering BSs are chosen by their decreasing distance to the MT The closest interfering BS is the first and an SNR of 10 dB is given within all cells Since the spreading combines the ... ranging from 1/L to For maximizing the diversity gain, the block s = [s1 , , sNd ]T is frequencyinterleaved by the inner random interleaver in which represents one OFDM symbol By taking into...
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Báo cáo hóa học: " Research Article Software-Controlled Dynamically Swappable Hardware Design in Partially Reconfigurable Systems" doc
... obtained by making a state interruptible should be weighed against the overhead incurred in terms of both logic resources and context saving and restoring time In general, making a state interruptible ... Professional Computing Series, AddisonWesley, Reading, Mass, USA, 1994 [3] H Kalte and M Porrmann, “Context saving and restoring for multitasking in reconfigurable systems, ” in Proceedings of International ... scheduling and placement in operating systems for dynamically reconfigurable SoC,” to appear in Journal of Embedded Computing [12] V Nollet, P Coene, D Verkest, S Vernalde, and R Lauwereins, “Designing...
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Báo cáo hóa học: " Research Article Feedback Reduction in Uplink MIMO OFDM Systems by Chunk Optimization" pdf
... satisfies wπ ≥ wπ ≥ · · · ≥ wπ K ≥ By inserting the optimal decoding order into (8) and collecting two succeeding terms in the sum, we obtain the programming problem in (3) The optimization problem ... notes on alternating optimization,” in Proceedings of the Advances in Soft Computing AFSS 2002: 2002 AFSS International Conference on Fuzzy Systems, vol 2275 of Lecture Notes in Computer Science, ... the MIMO OFDM MAC under individual power constraints and under chunk constraints In order to reduce the feedback overhead by informing the mobiles of their linear precoding matrices, the optimal...
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Integrated Research in GRID Computing- P1 pps
... Integrated Research in GRID Computing Integrated Research in GRID Computing CoreGRID Integration Workshop 2005 (Selected Papers) November ... network and also to the parties interested in cooperating with the network and/or, possibly joining the network in the future viii INTEGRATED RESEARCH IN GRID COMPUTING The Programme Committee who ... decentralized, wide -scale sharing of data, preserving semantics These new needs in data integration systems are also felt in Grid settings In a Grid, a centralized structure for coordinating all the...
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