design and analysis of surface excavations

... theminimum of the I/O bandwidth and the network bandwidth The I/O bandwidth is generallydetermined by the bandwidth of storage device drives (e.g., disk, tape, CD, etc ) and thespeed of interfaces ... bandwidth and cache space toprovide QoS guaranteed VoR services Trang 231.1.2 Quality of Services (QoS) requirementsThe limitation of network bandwidth and the fast increase of the users demand ... SingAREN and NSTB Broadband 21 Programme) My sincere thanks to my beloved parents and husband for their hearty encouragement and ports Special thanks to my husband, Hailong, for his understanding and

Ngày tải lên: 16/09/2015, 08:30

... Trang 1DESIGN AND ANALYSIS OF WIRELESS DIVERSITY SYSTEMS ZHANG SONGHUA NATIONAL UNIVERSITY OF SINGAPORE 2004 Trang 2DESIGN AND ANALYSIS OF WIRELESS DIVERSITY SYSTEMS ... performance of these systems More recently, much research efforts have been given to the design and analysis of new diversity schemes that offer lower error probability and higher capacity, one of which ... Huazhong University of Science and Technology) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2004

Ngày tải lên: 16/09/2015, 15:54

... Huazhong University of Science and Technology, PRC ) A THESIS SUBMITTEDFOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL & COMPUTER ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2004 ... are drawn to prescribe the suitability of the algorithms under various situations Finally, we extend our analysis and design of algorithms to the case of scheduling large ume computational loads ... study ofmulti-class jobs makes the system more flexible to handle different classes of jobs and is aright step in generalizing the study.Dynamic load balancing algorithms offer the possibility of

Ngày tải lên: 16/09/2015, 15:54

... competitive ratios of DWM algorithm and ADRW algorithm Further, we extended our design and analysis to the application domain of Mobile Computing Environment (MCE) For DWM and ADRW algorithm, ... The concept of competitive analysis was first introduced by Sleator and Tarjan [61] to studythe performance of on-line algorithms in the context of searching a linked list of elements and the paging ... theoretical framework and rigorously analyze the on-performance of the proposed algorithms using competitive analysis. The design of distributed systems can favor two types of control mechanisms,

Ngày tải lên: 16/09/2015, 17:11

... NATIONAL UNIVERSITY OF SINGAPORE 2004 Trang 2DESIGN AND ANALYSIS OFOPTIMAL RESOURCE ALLOCATION POLICIES DEPARTMENT OF ELECTRICAL & COMPUTER ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2004 ... his student I would like to thank the Department of Electrical and Computer Engineering and the National University of Singapore for the kind offer of a research scholarship Also, I thank Siemens ... costs of different policies 98 5.4 Average delay and average buffer occupancy of different policies 99 5.5 Examples of f (r) (Q = 1/(1 + λ) and a = 2λ) 105 5.6 Average delay and delay

Ngày tải lên: 16/09/2015, 17:12

... Trang 1DESIGN AND ANALYSIS OF ALGORITHMS FOR SOLVING SOME STOCHASTIC VEHICLE ROUTING AND SCHEDULING PROBLEMS TENG SUYAN NATIONAL UNIVERSITY OF SINGAPORE 2004 Trang 2DESIGN AND ANALYSIS OF ALGORITHMS ... Problem………4 1.3 Scope and Purpose of this Study……….6 1.3.1 Scope and Purpose of Part I of this Study………6 1.3.2 Scope and Purpose of Part II of this Study………7 1.4 Structure of the Thesis……….9 ... Results and Analysis……… 158 6.6 Conclusions……… 163 7 Conclusions and Directions of Further Research 7.1 Summary and Conclusions……… 164 7.2 Main Contributions of This Study ………166 7.3 Directions of

Ngày tải lên: 17/09/2015, 17:19

... Trang 1DESIGN AND ANALYSIS OFTrang 2DESIGN AND ANALYSIS OF PARITY-CHECK-CODE-BASED OPTICAL RECORDING SYSTEMSCAI KUI (M Eng., National University of Singapore) A THESIS SUBMITTEDFOR THE DEGREE OF ... involvement andcontributions in the initial stage of my research I would like to thank Prof Frans Willems, Technical University of hoven, and Dr Wim M J Coene, Dr Alexander Padiy, Dr Stan Baggen, and ... 132Trang 24The advent of the information age and the fast growth of information technologyhave created a tremendous demand for automated storage and retrieval of hugeamounts of data The data storage

Ngày tải lên: 30/09/2015, 06:02

... (fixed total number of requests of 50k and 100k respectively and write request: 5%) 84 Trang 7List of Tables 2.1 Glossary of definitions and notations 18 3.1 Pseudo code of LRUhet algorithm ... Trang 1DESIGN AND ANALYSIS OF OBJECTREPLACEMENT POLICES ON DYNAMIC DATA ALLOCATION AND REPLICATION ALGORITHM WITH BUFFER CONSTRAINTS GU XIN (B.Eng., Beijing University of Aeronautics and Astronautics, ... (fixed total number of requests of 50k and 100k respectively and write requests: 5%) 80 5.3 Cumulative cost under different total number of requests in Model B (write requests: 5% and 10%) 83

Ngày tải lên: 04/10/2015, 10:24

... Trang 1DESIGN AND ANALYSISOF SIMULTANEOUS CONTROL CHARTING SCHEMES RUSHAN A B ABEYGUNAWARDANA (B.Sc Statistics (Hons) University of Colombo, Sri Lanka, M.Sc (Computer Science) University of Colombo, ... SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE DEPARTMENT OF STATISTICS AND APPLIED PROBABILITY NATIONAL UNIVERSITY OF SINGAPORE 2007 Trang 2It is with the greatest respect and veneration that I ... to Dr D R Weerasekera, the Head of the Department of Statistics, University of Colombo, Sri Lanka and all the staff member, since they undertake lots of academic and administrative work, during

Ngày tải lên: 04/10/2015, 10:24

... Trang 1DESIGN AND ANALYSIS OF THE INTAKE SYSTEM OF A FORMULA SAE CAR OH YIDE, ANDRE (B.Eng (Hons.), NUS) Thursday, May 31, 2012 A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING ... advantage of the pros of this engine, but they are outside of the scope of this report Components of the Intake System The intake system is made up of a few components placed in series, and lie ... design of this system had been carried out through an iterative trial and-error process, so the study attempts to identify the scientific and engineering principles pertaining to the design of

Ngày tải lên: 04/10/2015, 10:25

... courses and discussions I should thank my former supervisors with the University of Science and nology of China, Professor Max Q.-H Meng with the Chinese University of HongKong and Professor ... assess fitness of candidate solutions 28 3.4 MFs of the type-2 FLC, F LC2 30 3.5 MFs of the type-1 FLC, F LC 1a 31 3.6 MFs of of the type-1 FLC, F LC 1b 32 3.7 MFs of the neuro-fuzzy ... comparison of the four FLCs 42 4.1 Computational cost of the four FLCs 50 4.2 Rule base of F LC13, F LC 2s and F LC 2f 51 4.3 Rule base of F LC15 51 4.4 MFs of F LC13, F LC 2s and F LC

Ngày tải lên: 04/10/2015, 10:25

... Award and an AT&T research grant, by an IBM research contract, and by a Guggenheim Fellowship An extended abstract of this research appears in Vitter, J S The design and analysis of dynamic ... transmitted, because the sender and receiver use the same modification algorithm and thus always have equivalent copies of the tree Trang 5Design and Analysis of Dynamic H&man Codes 829 FIG ... among all possible messages of the same length, because for any one-pass scheme and any alphabet size n we can construct a message that is Trang 3Design and Analysis of Dynamic Huffman Codes 827

Ngày tải lên: 30/10/2015, 17:52

... here of fixed length (i.e., independent of the number of sensors in the BSN) and contains two new fields for specific energy-saving purposes, the modulation and coding scheme (MCS) and length of the ... Daly, A Chandrakasan, and W Dehaene, “Energy efficiency of the IEEE 802.15.4 standard in dense wireless microsensor networks: modeling and improvement perspectives,” in Proceedings of the IEEE Design ... essential for the understanding of the new energy-saving enhancements and energy-efficient theoretical analysis proposed in this paper The introduction of the Distributed Queuing Random Access Protocol...

Ngày tải lên: 21/06/2014, 11:20

... HCM Terminate (b) Proposed soft handoff procedure Figure 6: Soft handoff algorithm and procedure 4.2 Soft handoff One of the major benefits of a CDMA system is the ability of a mobile to communicate ... [29] K M Rege, S Nanda, C F Weaver, and W.-C Peng, Analysis of fade margins for soft and hard handoffs,” in Proceedings of the 6th IEEE International Symposium on Personal, Indoor and Mobile Radio ... Prsv grd , and Psum ho denote total number of received handoff calls, the number of blocked (dropped) handoff calls, the number of successful handoff users, total reserved guard power, and total...

Ngày tải lên: 22/06/2014, 22:20

... broadcast, wake-up, and traversal on the tree Broadcast will cost exactly n − messages, and the cost of wake-up and traversal will be twice that amount These costs are independent of m and thus not ... Costs The message costs of Flood+Reply, and thus of Shout, are simple to analyze As mentioned before, Flood+Reply consists of an execution of Flooding(Q) with the addition of a reply (either Yes ... depicted in Figure 2.14 composed of a chain of four nodes x, y, z, and w Let y and z be both initiators, and start the traversal by sending the T message to x and w, respectively Also in this...

Ngày tải lên: 12/08/2014, 16:21

... have just designed is shown in Figures 3.43, 3.44, and 3.45 Let us analyze the cost of the protocol How many candidates there can be in stage i? As each of them has a territory of size i and these ... two copies of G and remove from both of them the edge e; we then connect these two graphs G and G by adding two new edges e1 = (x , x ) and e2 = (y , y ), where x and x (respective y and y ) are ... messages regardless of the location and the number of the initiators Exercise 3.10.55 Show that the effect of rounding up α i does not affect the order of magnitude of the cost of Protocol MarkBorder...

Ngày tải lên: 12/08/2014, 16:21

... 5.4.6, and informs each yj of Q(j ); yj locally and directly evaluates Q(j ) and sends the result to x; and x computes the union of all the received items To understand the advantages of this ... OPERATIONS and Michael Rodeh [21] Nicola Santoro, Jeffrey Sidney, and Stuart Sidney designed Protocol RandomFlipSelect [19] Protocol RandomRandomSelect is due to Nicola Santoro, Michael Scheutzow, and ... on the estimation of the size of the output of a set operation and thus of the entire query The IDP structure for minimum-volume operations on distributed sets was designed and analyzed in this...

Ngày tải lên: 12/08/2014, 16:21

... the result If the result of AND is 1, all the entities have value and are in state minimum, and thus know the result If the result of AND MIN-FINDING AND ELECTION: WAITING AND GUESSING 367 is 0, ... interesting properties of the waiting function Computing AND and OR Consider the situation where every entity x has a Boolean value b(x) ∈ {0, 1}, and we need to compute the AND of all those values ... the number of bits by using pipeline For example, during every stage of protocol Stages and thus of protocol SynchStages, the information from each candidate must reach the neighboring candidate...

Ngày tải lên: 12/08/2014, 16:21

... entity), and we will treat both spontaneous events and the ringing of the alarm clocks as the same type of events and call them timeouts We represent by (x, M) the event of x receiving message M, and ... of Kn into three sets, A, B, and C, of size at least and at most f each; we then set the initial values of the entities in A to Ia , those in B to Ib , and those in C to Ic ; entities a, b, and ... computing AND or the OR of the input values of the nonfaulty entities, or the value of an elected leader In other words, consensus (fault tolerant or not) can be solved by solving any of a variety of...

Ngày tải lên: 12/08/2014, 16:21

... predicate (using and, ” “or,” and “p -of- q” connectors) on its outgoing links; examples of such predicates are as follows: “(two of l1 , l2 , l3 ) or ( l1 and l4 )” and “( l1 and l2 ) or ( l3 and l4 ),” ... part of the protocol obviously increases the overall complexity of the design An approach has thus been to detach the task of global termination detection from the rest of the protocol and to handle ... Chandra and Sam Toueg [8], to whom Exercise 7.10.25 is due; the proof that ⍀ is the weakest failure detector is due to Tushar Chandra, Vassos Hadzilacos, and Sam Toueg [7] The positive effect of...

Ngày tải lên: 12/08/2014, 16:21